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ATW Stewartby Triathlon Sprint and Standard distance and the Aquabike Sprint and Standard distance will host the 2026 East Region Adult Race Series Located at the Stewartby Sailing Club in Bedford, this venue is perfect for triathlon and aquabike and was host to a sold-out GB team qualifier event in 2023.
No matter if you are an experienced triathlete looking for a super-fast course to post a Sprint or Standard PB, or a beginner looking for a friendly event to tackle your first triathlon, Stewartby is perfect for you.
You will be treated to a dip in the beautiful lake waters, followed by a very fast, flat, lapped road bike course (probably the fastest bike leg in the country!)
For those completing the aquabike your race will stop at the entrance back in to transition and you'll head off to the Finish Arch to pick up your well-earned medal! For those competing in the triathlon, you will have a scenic, traffic-free run on flat paths alongside the lake in Marston Vale Country Park.
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
Reasons to enter this event:
Five star reviews on racecheck
Professional event commentary
Supportive, friendly, experienced marshals
Clearly marked, flat course
FREE event photos
Finish line snacks & goodies
Custom designed unique medal
Charity - Join us in making every stride count by raising money for our partner charity, Alzheimer's 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.
ATW Community
At ATW we think of our participants as a community and we love to hear about the community's dreams and achievements.
If you'd like to share those dreams and achievements you can do so on any of our social media platforms. Equally if you'd like any advice about your upcoming event you will almost certainly find someone who can provide some guidance.
Links to all our social media platforms are at the bottom of the page, including to our ATW Chat Facebook group, which might be the most interactive platform if asking for help.
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.
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Event Venue
Stewartby Lake, Marston Moretaine, Bedford, United Kingdom
Tickets
Concerts, fests, parties, meetups - all the happenings, one place.
