ATW Box End Triathlon

ATW logo

From ATW

  • Date Sun 24th May 2026
  • Time 07:00
  • Location Box End Lakes,Box End Rd, Bedford MK43 8RN
  • Price £66.78 - £121.90
  • Races 6 races
  • Distances Sprint, Olympic

Event summary

Get ready for an exhilarating day of multisport action at the ATW Box End Triathlon on Sunday, May 24, 2026! Hosted by ATW, the largest multisports organizer in the UK, this exciting event takes place at the beautiful Box End Lake, renowned for its pristine waters and scenic surroundings. Participants can choose from three thrilling race distances: the Sprint (750m swim, 26km bike, 5km run), the Standard (1500m swim, 40km bike, 10km run), and the challenging Centurion distance (2250m swim, 80km bike, 20km run), perfect for those gearing up for a 70.3 (Half Ironman).

The Box End Triathlon is designed for athletes of all abilities, ensuring an inclusive atmosphere where everyone can shine. Whether you opt for the Aquabike, tackle the event solo, or team up for a relay, you're in for a fantastic experience. With a non-draft legal race format, a multi-lap course ideal for spectators, and plenty of amenities including camping options, supportive marshals, and custom-designed medals, this event is set to be unforgettable. Plus, you can make a difference by fundraising for Alzheimer

ATW Box End Triathlon

Sun 24th May 2026

A group of athletes wearing wetsuits and pink swim caps stand on grass, preparing for a swim event. Some adjust goggles and suits. Tall trees form the background under an overcast sky.

Organiser's Description

Join the largest multisports organiser in the UK, ATW, for the Box End Triathlon, featuring three race distances at the stunning Box End Lake:

- Sprint: 750m swim, 26km bike, 5km run
- Standard: 1500m swim, 40km bike, 10km run
- Centurion: 2250m swim, 80km bike, 20km run ENTER HERE

Box End Lake offers pristine water quality and a scenic on-site run route, making it the perfect venue for this event.

Event Highlights:

- Open to All Abilities: Whether you're a seasoned athlete or a beginner, everyone is welcome.
- Centurion Distance: Ideal for those training for a 70.3 (Half Ironman), this 100k distance race mirrors the PTO T100 series.
- Aquabike and Relay Options: Prefer just swimming and biking? Choose the Aquabike. Want to compete as a team? Opt for the relay with 2-3 participants.

Additional Information:

- Non-Draft Legal Race: Ensures a fair competition for all.
- Multi-lap course: Great opportunites for spectators to cheer you on.
- Camping Available: Make a weekend of it at Box End Park. Email [email protected] for more information and to book your camping tickets.
- Inclusivity: Transgender athletes are warmly welcomed. Starting January 1, 2023, there will be a Female category (for athletes assigned female at birth) and an Open category (for all other athletes).
- How long will it take? There are no applicable cutoffs for the Sprint and Standard as they take place alongside a 100k race that will take much longer.
- You can expect to take:
- Sprint - winner in 1hr15, last place 3hrs
- Standard - winner in 2hr20, last place 4hrs45

Why Enter? 

- Stunning Clear Waters
- Beautiful Scenery
- Well-Marked Course
- Supportive Marshals
- Free Event Photos
- Custom-Designed Medal
- Finish Line Snacks & Goodies
- Positive Participant Reviews on Racecheck (Read reviews)

Want to hire a wetsuit for the season? We are proud to offer Zone3 wetsuits. Find out more HERE

Want to hire a wetsuit for a day, weekend or month? Find out more HERE

Sign up now for an unforgettable triathlon experience!

Charity - Join us in making every stride count by raising money for our partner charity, Alzheimers Research UK - your run will not only challenge your limits but also change lives, one step at a time, for a cure. Opportunities to donate and fundraise will appear at checkout.

ATW Transfer & Refund Policy

At ATW, we understand that sometimes plans change. While we do not offer refunds or transfers to another person, we provide a hassle-free event transfer option for those unable to attend their booked event. If you are unable to participate in your scheduled event for any reason—including injury, illness, pregnancy, bereavement, or other unforeseen circumstances—you can transfer your entry to any future ATW event. There is no proof required, we trust you!
Even better news, transfers can be made all the way up to 48 hours before your original event date.

Event Organiser

ATW was established in 2011 by James Shipley. We have now become a national events company in the UK, specialising in Running, Triathlon, Duathlon, Aquathon, Cycling, Swimming and all permutation of swim-bike run events. With over 40,000 entries a year ATW has become a firm favourite amongst people who are determined to Dream, Believe and Achieve.

Races

  • Sprint Distance Aquabike

    Sun 24th May 2026 (07:00)

    £66.78

    Booking for more than 1?
  • Sprint Distance Triathlon

    Sun 24th May 2026 (07:00)

    £77.38

    Booking for more than 1?
  • Sprint Distance Triathlon Relay

    Sun 24th May 2026 (07:00)

    £104.94

    Booking for more than 1?
  • Standard Distance Aquabike

    Sun 24th May 2026 (07:00)

    £89.04

    Booking for more than 1?
  • Standard Distance Triathlon

    Sun 24th May 2026 (07:00)

    £99.64

    Booking for more than 1?
  • Standard Distance Triathlon Relay

    Sun 24th May 2026 (07:00)

    £121.90

    Booking for more than 1?

Reviews

Done 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.

Add a review

Location

Corner 5 Restaurant, Bedford, MK43 8RQ, United Kingdom

Who's In

See who else is doing this event

Be the first

No-one has marked this event as 'Doing' or 'Maybe' yet. Will you be the first?

More from ATW

You might like

Bowood House Triathlon

Calne, Wiltshire

20 Jun 26
£37.00 - £77.00
Upton Tri + Duathlon

Worcester, Worcestershire

Upton Tri + Duathlon

Triathlon
Duathlon
Aquathlon
Aquabike
11 Jul 26
£50.00 - £85.00
Royal Windsor Triathlon

Windsor, Berkshire

Royal Windsor Triathlon

Triathlon
Aquabike
14 Jun 26
£87.00 - £192.00
Marlow Triathlon

Marlow, Buckinghamshire

19 Jul 26
£72.00 - £152.00

24 May 2026

£66.78 - £121.90