Bristol Backyard Ultra
From Gravel and Grit Events
- Date Sat 2nd May 2026 - Mon 4th May 2026
- Time 09:00
- Location Bristol, Avon
- Price £77.90 - £89.90
- Races 4 races
Last chance to enter
Race day is fast approaching
Event summary
Get ready for an exhilarating weekend of endurance and camaraderie at the Bristol Backyard Ultra, taking place from Saturday, May 2, to Monday, May 4, 2026, in the stunning Blaise Castle Estate in Bristol, Avon. Organized by Gravel and Grit Events, this is the inaugural Backyard Ultra in Bristol, where participants will tackle a challenging 6.7 km (4.167 mile) loop every hour, on the hour. The last runner standing will claim ultimate glory after completing a solo final loop, making this event perfect for both seasoned ultra runners and those new to the challenge.
With a course that features scenic woodland trails, flowing singletrack, and open green spaces, the Bristol Backyard Ultra promises an epic adventure filled with excitement and support. Runners can look forward to a vibrant basecamp where spectators and crew are encouraged to cheer them on, alongside aid stations offering refreshments. Whether you're aiming for a personal best or simply want to enjoy the atmosphere, this event is sure to be an unforgettable experience. Don't miss out on your chance to be part of this thrilling ultra running event!
With a course that features scenic woodland trails, flowing singletrack, and open green spaces, the Bristol Backyard Ultra promises an epic adventure filled with excitement and support. Runners can look forward to a vibrant basecamp where spectators and crew are encouraged to cheer them on, alongside aid stations offering refreshments. Whether you're aiming for a personal best or simply want to enjoy the atmosphere, this event is sure to be an unforgettable experience. Don't miss out on your chance to be part of this thrilling ultra running event!
Bristol Backyard Ultra
Sat 2nd May 2026 - Mon 4th May 2026
Organiser's Description
Gravel & Grit: Bristol Backyard Ultra 2026
Event format
This is Bristol’s first Backyard Ultra!
• Run a 6.7 km (4.167 mile) loop every hour, on the hour. Finish within the hour to continue — miss it, and your day is done.
• The last runner standing completes a solo final loop and earns ultra glory.
• Beginner-friendly and first-time ultra runners welcome. You will never be alone on course — support is around every corner.
Start time
• Saturday 2nd May 2026
• Blaise Castle Estate, Bristol
• Full event-day timings will be shared closer to race day.
• Prepare for an epic day (and maybe night!) of trail running.
Course
• Woodland trails
• Flowing singletrack
• Open green spaces with short climbs and varied terrain
• Perfect for first-time ultra runners and seasoned trail enthusiasts
Support & Basecamp
• Central basecamp at start/finish for your kit, chair, and between-loop recovery
• Crew and spectators encouraged — the more cheering, the better
• Aid station with water, hot drinks, and basic snacks
• Personal fuelling strategy is your responsibility
Kit Requirements
• Head torches mandatory
• Be prepared for trail running, changing weather, and overnight conditions if you plan to go deep
• Optional chair or small tent/shelter recommended for between-loop rest
• Final mandatory kit requirements will be confirmed closer to race day
Timing & Safety
• Follow marshal instructions at all times
• Professional medical team on site
• Race Director’s decision is final — safety first, glory second
Withdrawal
• Runners may withdraw at any point. Please notify the Race Director or a marshal.
Minimum Age
• Participants must be 20 years or older on race day
Refunds, Transfers & Event Cancellation
We understand that plans change. Our policy is designed to be fair while recognising the upfront costs of organising the event.
Refunds:
- More than 6 weeks before the event:
- 75% refund of entry fee
- 4–6 weeks before the event:
- 50% refund of entry fee
- 2–4 weeks before the event:
- 25% refund of entry fee
- Less than 14 days before the event:
- No refunds available
Deferrals:
Runners can defer the entry, up until 4 weeks before the event, by emailing the race organiser. All deferrals will be subject to the following:
- it can only be deferred to next year’s Bristol Backyard Ultra only
- it cannot be deferred again
- it is non-refundable
Name Transfers:
- Permitted up to 14 days before the event
- Transfers must be completed via RaceNation.
- The original entrant is responsible for arranging the transfer
Event Cancellation:
- If the event is cancelled due to licensing or site permissions, a full refund will be issued
Force Majeure:
- In the event of circumstances beyond our control (e.g. extreme weather, public health restrictions), we reserve the right to:
-
- - Offer a partial refund, transfer, or deferral
- - Retain a portion of the entry fee to cover non-recoverable costs
-
-
Admin Fees
• RaceNation admin fees are added at checkout
Event format
This is Bristol’s first Backyard Ultra!
• Run a 6.7 km (4.167 mile) loop every hour, on the hour. Finish within the hour to continue — miss it, and your day is done.
• The last runner standing completes a solo final loop and earns ultra glory.
• Beginner-friendly and first-time ultra runners welcome. You will never be alone on course — support is around every corner.
Start time
• Saturday 2nd May 2026
• Blaise Castle Estate, Bristol
• Full event-day timings will be shared closer to race day.
• Prepare for an epic day (and maybe night!) of trail running.
Course
• Woodland trails
• Flowing singletrack
• Open green spaces with short climbs and varied terrain
• Perfect for first-time ultra runners and seasoned trail enthusiasts
Support & Basecamp
• Central basecamp at start/finish for your kit, chair, and between-loop recovery
• Crew and spectators encouraged — the more cheering, the better
• Aid station with water, hot drinks, and basic snacks
• Personal fuelling strategy is your responsibility
Kit Requirements
• Head torches mandatory
• Be prepared for trail running, changing weather, and overnight conditions if you plan to go deep
• Optional chair or small tent/shelter recommended for between-loop rest
• Final mandatory kit requirements will be confirmed closer to race day
Timing & Safety
• Follow marshal instructions at all times
• Professional medical team on site
• Race Director’s decision is final — safety first, glory second
Withdrawal
• Runners may withdraw at any point. Please notify the Race Director or a marshal.
Minimum Age
• Participants must be 20 years or older on race day
Refunds, Transfers & Event Cancellation
We understand that plans change. Our policy is designed to be fair while recognising the upfront costs of organising the event.
Refunds:
- More than 6 weeks before the event:
- 75% refund of entry fee
- 4–6 weeks before the event:
- 50% refund of entry fee
- 2–4 weeks before the event:
- 25% refund of entry fee
- Less than 14 days before the event:
- No refunds available
Deferrals:
Runners can defer the entry, up until 4 weeks before the event, by emailing the race organiser. All deferrals will be subject to the following:
- it can only be deferred to next year’s Bristol Backyard Ultra only
- it cannot be deferred again
- it is non-refundable
Name Transfers:
- Permitted up to 14 days before the event
- Transfers must be completed via RaceNation.
- The original entrant is responsible for arranging the transfer
Event Cancellation:
- If the event is cancelled due to licensing or site permissions, a full refund will be issued
Force Majeure:
- In the event of circumstances beyond our control (e.g. extreme weather, public health restrictions), we reserve the right to:
-
- - Offer a partial refund, transfer, or deferral
- - Retain a portion of the entry fee to cover non-recoverable costs
-
-
Admin Fees
• RaceNation admin fees are added at checkout
Races
-
Standard Ticket - EA Affiliated
Standard Ticket - EA Affiliated (Incl. £4.95 Fee)
£77.90
Booking for more than 1?Reduced price ticket available for participants affiliated to England Athletics. -
Standard Ticket - EA Unaffiliated
Standard Ticket - EA Unaffiliated (Incl. £4.95 Fee)
£79.90
Booking for more than 1? -
Final Release - EA Affiliated
Final Release - EA Affiliated (Incl. £4.95 Fee)
£87.90
Booking for more than 1?Final Release - EA Affiliated -
Final Release - EA Unaffiliated
Final Release - EA Unaffiliated (Incl. £4.95 Fee)
£89.90
Booking for more than 1?Final Release - EA Unaffiliated
Reviews
Doing this event?
First-hand event reviews from people who have been there, done that and got the breathable T-shirt, really help everyone choose their next event. You'll be able to review this event once it's taken place.
Location
Kings Weston Road, Henbury, Bristol, BS10 7QT, United Kingdom
Bristol Backyard Ultra
