Belvoir Castle Triathlon - Multi Sport Weekend
EL
From EndorphinSport Ltd
4.0 ·
1 review
Sunday 31st August 2025
Past event
06:15
Grantham
£55.00–£155.00 · 10 races
Super Sprint, Sprint, Middle Distance / 70.3, Olympic
Event summary
Get ready for an unforgettable experience at the Belvoir Castle Triathlon - Multi Sport Weekend, organized by EndorphinSport Ltd! This exciting event will take place on Sunday, August 31, 2025, at the breathtaking Belvoir Castle in Grantham, Lincolnshire. Known for its stunning landscapes and historic charm, the castle provides an iconic backdrop for a day filled with athletic achievement and community spirit.
The Belvoir Castle Triathlon has quickly become a must-attend event in the East Midlands, thanks to its growing reputation over the past three years. This year, the weekend will not only feature the traditional triathlon but will also introduce a thrilling Cross Triathlon and Cross Duathlon on Saturday, ensuring there’s something for everyone. Participants will enjoy swimming in the estate's tranquil lake, cycling through the picturesque British countryside, and running through the scenic castle grounds. The event village will be bustling with local vendors, including delicious offerings from Cafe Allez and bike services from No Two Cycles. Join us for a fantastic day of sport, community, and celebration at the Belvoir Castle Triathlon!
The Belvoir Castle Triathlon has quickly become a must-attend event in the East Midlands, thanks to its growing reputation over the past three years. This year, the weekend will not only feature the traditional triathlon but will also introduce a thrilling Cross Triathlon and Cross Duathlon on Saturday, ensuring there’s something for everyone. Participants will enjoy swimming in the estate's tranquil lake, cycling through the picturesque British countryside, and running through the scenic castle grounds. The event village will be bustling with local vendors, including delicious offerings from Cafe Allez and bike services from No Two Cycles. Join us for a fantastic day of sport, community, and celebration at the Belvoir Castle Triathlon!
Belvoir Castle Triathlon - Multi Sport Weekend
This event has taken place
Congratulations to everyone who took part. We're waiting on information about the next edition of this event.
Did you race? Let the community know how you got on and leave a review.
Previous editions
Add your review
Reviews
4.01 review
BM
Bea Marshall
Verified entrant
This reviewer is a verified Find a Race user who purchased a place at this event.
Took part in the 2024 edition · 2 years ago
My first triathlon and I loved it! Everyone was so friendly, kind and helpful. The setting is stunning.
Like quite a few others I accidentally ran an extra 2km due to inadequate signage. It’s the only reason I didn’t give it five stars.
I will definitely do it again though!
Like quite a few others I accidentally ran an extra 2km due to inadequate signage. It’s the only reason I didn’t give it five stars.
I will definitely do it again though!
Races
-
Middle Distance Triathlon - Standard Entry price (late entry fees start May 25)
Entries closed£155.00
-
Olympic Triathlon - standard entry price (late entry fees start May 25)
Entries closed£110.00
-
Sprint Triathlon - standard entry price (late entry fees start May 25)
Entries closed£85.00
-
Super Sprint Triathlon - standard entry price (late entry fees start May 25)
Entries closed£65.00
-
Middle Distance Aquabike - standard entry price (late entry fees start May 25)
Entries closed£100.00
-
Middle Distance Aquathlon - standard entry price (late entry fees start May 25)
Entries closed£85.00
-
Olympic Aquabike - standard entry price (late entry fees start May 25)
Entries closed£85.00
-
Sprint Aquabike - standard entry price (late entry fees start May 25)
Entries closed£75.00
-
Olympic Aquathlon - standard entry price (late entry fees start May 25)
Entries closed£70.00
-
Sprint Aquathlon - standard entry price (late entry fees start May 25)
Entries closed£55.00
Event information
Triathlon / Aquathlon / Aquabike:
The transition area is nestled in the grounds looking up to the grand Belvoir Castle.
The Lake Swim: The open water swim takes place in a calm lake at the foot of the Estate with sights up to the castle, the swim is a multi lap swim. The swim is also perfect for those new to open water triathlon as you're never too far away from the lakes edge or your supporters. All competitors will be placed in start wave groups which will be confirmed closer to the date of the event.
Bike: All distances (other than the Super Sprint) is a multi-lap course with a challenging undulating profile through the idyllic vale of Belvoir villages. There are one or two sharp and gradual inclines that prove a good test of mental, physical strength and determination but you will be well rewarded with a route of discovery through quaint villages and quiet country roads.
The Super Sprint bike leg is one undulating lap.
Run: Feel the history of the land and be surrounded by ancient trees adorning your run, finishing with a scenic multi-lap run on tarmac roads around the estate running up to the Castle itself and then onto your Finish with the Castle creating a momentous backdrop for your free Finishers Photo download.
HM / 10k / 5k:
The Start Line is nestled in the epic estate's grounds looking up to the grand Belvoir Castle. Surrounded by ancient trees and pretty landmarks, the course will take you out of the estate with a scenic run along roads through quaint country villages. You will then return to finish your run on the roads of the estate and onto the epic finish line with views up to the castle. This will create a truly momentous backdrop for your free finishers photo!
X Triathlon: Traffic Free! lake swim/mtb bike/trail run all with the estate grounds
New for 2025, this popular and accessible event format. Lake swim followed by an off road mountain bike TRAFFIC FREE course with spectacular views of the estate, finish with a iconic trail run with magnificent over the Belvoir Estate.
X Duathlon: as above but NO SWIM.
Trail Run/MTB Bike/Trail Run
The transition area is nestled in the grounds looking up to the grand Belvoir Castle.
The Lake Swim: The open water swim takes place in a calm lake at the foot of the Estate with sights up to the castle, the swim is a multi lap swim. The swim is also perfect for those new to open water triathlon as you're never too far away from the lakes edge or your supporters. All competitors will be placed in start wave groups which will be confirmed closer to the date of the event.
Bike: All distances (other than the Super Sprint) is a multi-lap course with a challenging undulating profile through the idyllic vale of Belvoir villages. There are one or two sharp and gradual inclines that prove a good test of mental, physical strength and determination but you will be well rewarded with a route of discovery through quaint villages and quiet country roads.
The Super Sprint bike leg is one undulating lap.
Run: Feel the history of the land and be surrounded by ancient trees adorning your run, finishing with a scenic multi-lap run on tarmac roads around the estate running up to the Castle itself and then onto your Finish with the Castle creating a momentous backdrop for your free Finishers Photo download.
HM / 10k / 5k:
The Start Line is nestled in the epic estate's grounds looking up to the grand Belvoir Castle. Surrounded by ancient trees and pretty landmarks, the course will take you out of the estate with a scenic run along roads through quaint country villages. You will then return to finish your run on the roads of the estate and onto the epic finish line with views up to the castle. This will create a truly momentous backdrop for your free finishers photo!
X Triathlon: Traffic Free! lake swim/mtb bike/trail run all with the estate grounds
New for 2025, this popular and accessible event format. Lake swim followed by an off road mountain bike TRAFFIC FREE course with spectacular views of the estate, finish with a iconic trail run with magnificent over the Belvoir Estate.
X Duathlon: as above but NO SWIM.
Trail Run/MTB Bike/Trail Run
↠ Bespoke Designed Eco Medal (designed and manufactured in the UK)
↠ High Quality Super soft silicone event swim cap so you can use it again & again!
↠ Fully Marked Course
↠ Professional chip timing, online Results
↠ Gourmet quality food vendor & Barista coffee vendor
↠ Spectator Friendly course
↠ Toilets for Competitors/spectators
↠ Baby Changing and disabled toilets
(OPTIONAL purchase of high quality organic cotton or TriDri technical Belvoir Castle Triathlon tee at check out or from our website)
↠ High Quality Super soft silicone event swim cap so you can use it again & again!
↠ Fully Marked Course
↠ Professional chip timing, online Results
↠ Gourmet quality food vendor & Barista coffee vendor
↠ Spectator Friendly course
↠ Toilets for Competitors/spectators
↠ Baby Changing and disabled toilets
(OPTIONAL purchase of high quality organic cotton or TriDri technical Belvoir Castle Triathlon tee at check out or from our website)
There is weekend parking available on site for £5 per car, which can be paid by cash or card on the day. As an environmentally conscious company, please car share where possible.
Belvoir Castle
Grantham
Leicestershire
NG32 1PE
What3words:
https://w3w.co/clubbing.limit.wage
Grantham
Leicestershire
NG32 1PE
What3words:
https://w3w.co/clubbing.limit.wage
The Lake Swim: The open water swim takes place in a calm lake at the foot of the Estate with sights up to the castle, the swim is a multi lap swim. The swim is also perfect for those new to open water triathlon as you're never too far away from the lakes edge or your supporters. All competitors will be placed in start wave groups which will be confirmed closer to the date of the event.
Middle/Olympic/Sprint/Super Sprint Distance
1.9km Swim - Middle Distance
1.5km Swim - Olympic Distance
750m Swim - Sprint Distance
400m Swim - Super Sprint
↠ Start times are based on your estimated swim time starting with the slowest swim times.
↠ The swim will be in the estate’s lake.
↠ Laps of the lake will be confirmed nearer the time judging the water levels.
↠ Competitors need to be in the swim holding area 15 mins before your start time changed & ready to collect your timing chip.
↠ The swimmers around you will be of a similar standard and you will be in a wave of no more than 25 people.
↠ You will be told which direction to swim in, on entering the lake. On completion of your laps (tbc - depending on water levels), exit from the Ramp/Pontoon marked Swim Out.
↠ There will be no changing facilities. Follow the signs for the transition area (this is a 350m run on grass) and find you bike.
↠ The surface is grass and will be cleared and checked for sharp objects but if you want to wear shoes for this section then place your shoes around Swim Exit.
Middle/Olympic/Sprint/Super Sprint Distance
1.9km Swim - Middle Distance
1.5km Swim - Olympic Distance
750m Swim - Sprint Distance
400m Swim - Super Sprint
↠ Start times are based on your estimated swim time starting with the slowest swim times.
↠ The swim will be in the estate’s lake.
↠ Laps of the lake will be confirmed nearer the time judging the water levels.
↠ Competitors need to be in the swim holding area 15 mins before your start time changed & ready to collect your timing chip.
↠ The swimmers around you will be of a similar standard and you will be in a wave of no more than 25 people.
↠ You will be told which direction to swim in, on entering the lake. On completion of your laps (tbc - depending on water levels), exit from the Ramp/Pontoon marked Swim Out.
↠ There will be no changing facilities. Follow the signs for the transition area (this is a 350m run on grass) and find you bike.
↠ The surface is grass and will be cleared and checked for sharp objects but if you want to wear shoes for this section then place your shoes around Swim Exit.
Bike: All distances (other than the Super Sprint) is a multi-lap course with a challenging undulating profile through the idyllic vale of Belvoir villages. There are one or two sharp and gradual inclines that prove a good test of mental, physical strength and determination but you will be well rewarded with a route of discovery through quaint villages and quiet country roads.
The Super Sprint bike leg is one undulating lap.
Middle Distance/Olympic/Sprint/Super Sprint
↠ 83km Middle Distance
↠ 40km Olympic
↠ 26km Sprint
↠ 13km Super Sprint
The Super Sprint bike leg is one undulating lap.
Middle Distance/Olympic/Sprint/Super Sprint
↠ 83km Middle Distance
↠ 40km Olympic
↠ 26km Sprint
↠ 13km Super Sprint
Feel the history of the land and be surrounded by ancient trees adorning your run, finishing with a scenic multi-lap run on tarmac roads around the estate running up to the Castle itself and then onto your Finish with the Castle creating a momentous backdrop for your free Finishers Photo download.
Middle Distance/Olympic/Sprint/Super Sprint
↠ 21km Middle Distance
↠ 10km Olympic
↠ 5km Sprint
↠ 2.5km Super Sprint
Middle Distance/Olympic/Sprint/Super Sprint
↠ 21km Middle Distance
↠ 10km Olympic
↠ 5km Sprint
↠ 2.5km Super Sprint
Saturday: (Optional for locals and campers)
Registration Opens: Saturday 3.30 - 5pm
Event Briefing at 5pm near Registration
Sunday/Event Day:
Registration Opens 5.00am
Transition Opens 5.15am
Middle Distance Start 6:15am
Olympic Distance 7:15am
Sprint Distance 8:15am
Super Sprint 9:15am
All Aquathlons start at 9.30am ensuring all run marshals are in position.
Please note: all timings are dependant on the number of entries. Final start times and Competitor Guide be sent out the weekend before the event.
Registration Opens: Saturday 3.30 - 5pm
Event Briefing at 5pm near Registration
Sunday/Event Day:
Registration Opens 5.00am
Transition Opens 5.15am
Middle Distance Start 6:15am
Olympic Distance 7:15am
Sprint Distance 8:15am
Super Sprint 9:15am
All Aquathlons start at 9.30am ensuring all run marshals are in position.
Please note: all timings are dependant on the number of entries. Final start times and Competitor Guide be sent out the weekend before the event.
Middle Distance
↠ TRIATHLON: Swim 2km/Bike 83km/Run 21km
↠ AQUABIKE: Swim 2km/Bike 83km
↠ AQUATHLON: 2km Swim/21km Run
Olympic Distance
↠ TRIATHLON: 1500m Swim/40km Bike/10km Run
↠ AQUABIKE: 1500m Swim/40km Bike
↠ AQUATHLON: 1500m Swim/10km Run
Sprint
↠ TRIATHLON: 750m Swim/26km Bike/5km Run
↠ AQUABIKE: 750m Swim/26km Bike
↠ AQUATHLON: 750m Swim/5km Run
Super Sprint (You must be 15 and over to compete in the individual Super Sprint Triathlon distance)
↠ TRIATHLON: 400m Swim/13km Bike/2.5km Run
↠ AQUABIKE: 400m Swim/13km Bike
↠ AQUATHLON: 400m Swim/2.5km Run
↠ TRIATHLON: Swim 2km/Bike 83km/Run 21km
↠ AQUABIKE: Swim 2km/Bike 83km
↠ AQUATHLON: 2km Swim/21km Run
Olympic Distance
↠ TRIATHLON: 1500m Swim/40km Bike/10km Run
↠ AQUABIKE: 1500m Swim/40km Bike
↠ AQUATHLON: 1500m Swim/10km Run
Sprint
↠ TRIATHLON: 750m Swim/26km Bike/5km Run
↠ AQUABIKE: 750m Swim/26km Bike
↠ AQUATHLON: 750m Swim/5km Run
Super Sprint (You must be 15 and over to compete in the individual Super Sprint Triathlon distance)
↠ TRIATHLON: 400m Swim/13km Bike/2.5km Run
↠ AQUABIKE: 400m Swim/13km Bike
↠ AQUATHLON: 400m Swim/2.5km Run
↠ Family Team
↠ Club Team
↠ Corporate Team
Relays (2/3 people per team) for:
Middle Distance, Olympic, Sprint Distances listed above.
Age restrictions
↠ Sprint Relay: Under 15’s can race completing the swim or run leg in a Team of 3.
↠ Swimmer minimum age is 11 years
↠ Cyclist 15 years
↠ Runner 13 years.
Age on 31st Dec
↠ Club Team
↠ Corporate Team
Relays (2/3 people per team) for:
Middle Distance, Olympic, Sprint Distances listed above.
Age restrictions
↠ Sprint Relay: Under 15’s can race completing the swim or run leg in a Team of 3.
↠ Swimmer minimum age is 11 years
↠ Cyclist 15 years
↠ Runner 13 years.
Age on 31st Dec
Age as of 31st December
↠ For the Middle Distance Triathlon/Aquabike/Aquathlon - minimum age is 18 years on 31st
↠ Olympic Distance/Aquathlon/Aquabike - minimum age is 17 years on 31st December
↠ Sprint Triathlon/Aquathlon/Aquabike - minimum age is 15 years on 31st December
↠ Aquathlon - minimum age is 15 years on 31st December
↠ Super Sprint Triathlon - the minimum age is 15 years on 31st December
↠ Sprint Relay - Under 15’s can race completing the swim or run leg in a Team of 3.
Swimmer minimum age is 11 years, cyclist 15 years & runner 13 years. Age on 31st Dec
*Please note ALL under 16’s will need to complete a parental consent form BEFORE the event
↠ For the Middle Distance Triathlon/Aquabike/Aquathlon - minimum age is 18 years on 31st
↠ Olympic Distance/Aquathlon/Aquabike - minimum age is 17 years on 31st December
↠ Sprint Triathlon/Aquathlon/Aquabike - minimum age is 15 years on 31st December
↠ Aquathlon - minimum age is 15 years on 31st December
↠ Super Sprint Triathlon - the minimum age is 15 years on 31st December
↠ Sprint Relay - Under 15’s can race completing the swim or run leg in a Team of 3.
Swimmer minimum age is 11 years, cyclist 15 years & runner 13 years. Age on 31st Dec
*Please note ALL under 16’s will need to complete a parental consent form BEFORE the event
*Accurate start times will be communicated to registered participants closer to race day. You will receive your competitor Information 1 week prior to Race Day and your Start Times one week before directly from Endorphin Sport. Please check your junk inbox if you have not received this information or check on our website for this information - our website will always have the latest information. If in doubt ALWAYS email us directly at [email protected]
IMPORTANT - As part of our T&C's No refund or transfer will be given if the timings of the day are changed and as a result you are no longer able to make your event. Timings will not change drastically from the schedule here.
IMPORTANT - As part of our T&C's No refund or transfer will be given if the timings of the day are changed and as a result you are no longer able to make your event. Timings will not change drastically from the schedule here.
↠ Please pick up your Race Packs from Registration before you enter the Transition area and rack your bike.
↠ Your Race pack will include race numbers, luggage/bike/helmet stickers and your swim cap specific for your distance.
↠ Timing Chips will be handed over at Registration.
↠ For those that are BTF members Please bring your membership card with you for reference.
↠ Your Race pack will include race numbers, luggage/bike/helmet stickers and your swim cap specific for your distance.
↠ Timing Chips will be handed over at Registration.
↠ For those that are BTF members Please bring your membership card with you for reference.
↠ Bike Feed & Drink stations will be available for those doing the Middle Distance at the 53km point
↠ Run Feed & Drink Stations will be available for all distances at the 3.3km point– top of the hill.
↠ Our Partner Fuelling Provider is OTE.
↠ Run Feed & Drink Stations will be available for all distances at the 3.3km point– top of the hill.
↠ Our Partner Fuelling Provider is OTE.
↠ - Prizes 1st, 2nd and 3rd Overall Female & Male in each TRIATHLON event AND in each age category
↠ Prizes for 1st, 2nd and 3rd Overall Female & Male for Aquabike/Aquathlon Races.
- Relay Categories 1st in each - Family/Club/Corporate
↠ Prizes for 1st, 2nd and 3rd Overall Female & Male for Aquabike/Aquathlon Races.
- Relay Categories 1st in each - Family/Club/Corporate
At Endorphin Sport Events, we do not impose cut off times as we understand the pressure it can put you under and we'd rather you enjoy the scenery and enjoy your event! This means you will receive an official time regardless.
↠ In addition, it is at our discretion as the event organiser to consider the safety of all entrants, if we feel you are continuing at the detriment to your health or safety we may call it a day on your behalf.
↠ In addition, it is at our discretion as the event organiser to consider the safety of all entrants, if we feel you are continuing at the detriment to your health or safety we may call it a day on your behalf.
Why not spend the weekend with us? Your camping spot enjoys stunning views across the estate up to the grand Castle.
Please add the CAMPING at Checkout OR book separately from our website Store.
Booking for tent/campervan/motorhome
↠ Lakeside Pitch overlooking the event lake, across to the Hall and Church and Event Hub/Transition.
↠Hot Showers will be provided (to campers only)
↠Toilets
↠ Water points
NB. Well behaved dogs welcome and to be kept on lead.
Please add the CAMPING at Checkout OR book separately from our website Store.
Booking for tent/campervan/motorhome
↠ Lakeside Pitch overlooking the event lake, across to the Hall and Church and Event Hub/Transition.
↠Hot Showers will be provided (to campers only)
↠Toilets
↠ Water points
NB. Well behaved dogs welcome and to be kept on lead.
Organiser's description
Held at the impressive, special and statuesque venue. Belvoir Castle. An atmospheric, iconic gem.
Sunday 31 August 2025
…As part of the Original Multisport Weekend in the East Midlands.
This weekend is causing a stir in the East Midlands with a fast growing reputation as THE event to attend on the calendar for 2025.
After the success of the last 3 years, we are pleased to announce the return of The Belvoir Castle Triathlon 2025 (as part of the Belvoir Castle Multisport Weekend).
With the same format as the LAST 3YEARS, the only change we will be making for 2024 is to add a Cross triathlon and Cross Duathlon on the Saturday . The aim is to keep striving to make this event TRULY inclusive and there really is an option for EVERYONE! 🎉
Set on the stunning landscapes of the historic estate, providing the perfect backdrop for a memorable open water triathlon. We will be swimming in the estate's tranquil lake. The bike route is undulating through the best of the British countryside, finished by a picturesque run through the castle grounds.
Within the Event Village - We will also be enjoying fine coffee/refreshments from the much loved Cafe Allez, exquisite food from the local area. We have No Two Cycles keeping you spinning and spoking smoothly with their onsite bike mechanic services (should you need it!). Stay posted who will be joining us next!
All local businesses to Belvoir Castle and we look forward to them joining us!
Sunday 31 August 2025
…As part of the Original Multisport Weekend in the East Midlands.
This weekend is causing a stir in the East Midlands with a fast growing reputation as THE event to attend on the calendar for 2025.
After the success of the last 3 years, we are pleased to announce the return of The Belvoir Castle Triathlon 2025 (as part of the Belvoir Castle Multisport Weekend).
With the same format as the LAST 3YEARS, the only change we will be making for 2024 is to add a Cross triathlon and Cross Duathlon on the Saturday . The aim is to keep striving to make this event TRULY inclusive and there really is an option for EVERYONE! 🎉
Set on the stunning landscapes of the historic estate, providing the perfect backdrop for a memorable open water triathlon. We will be swimming in the estate's tranquil lake. The bike route is undulating through the best of the British countryside, finished by a picturesque run through the castle grounds.
Within the Event Village - We will also be enjoying fine coffee/refreshments from the much loved Cafe Allez, exquisite food from the local area. We have No Two Cycles keeping you spinning and spoking smoothly with their onsite bike mechanic services (should you need it!). Stay posted who will be joining us next!
All local businesses to Belvoir Castle and we look forward to them joining us!
Location
NG32 1PE, Grantham, United Kingdom
Belvoir Castle Triathlon - Multi Sport Weekend
EL
EndorphinSport Ltd
Organisers of the award winning East Leake Triathlon for the last 20 years sitting alongside 20 years of coaching experience for British Triathlon Federation and British Cycling. Recently expanding over the last 2 years to include multisport events for EVERYONE at the stunning venues Staunton Harold Hall and Belvoir Castle (Midlands). We offer triathlon, aquathlon, kids aquathlon, aquabike, canicross, doggy aquathlons, run events and off road duathlons. We present a platform for you to achieve, be brave and put yourself out there in an supportive, friendly and chilled environment. We do not impose cut off times as we feel this puts unwanted additional pressure to some, especially beginners. If you're there, we're there! We advocate to break down physical and mental barriers that may stop a person doing sport and will always be inclusive and supportive.
On Find a Race
Since
2017
Events
20+
Avg. review
4.3
