ATW Stewartby Lake Triathlon & Aquabike
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Event overview
The ATW Stewartby Lake Triathlon & Aquabike takes place at Stewartby Lake and Stewartby Sailing Club in Bedford on 21 June 2026. The event is organised by Active Training World (ATW). The venue includes lake swim conditions and a lapped road bike circuit described by the organiser as very fast and flat. The run course follows flat, traffic-free paths alongside the lake in Marston Vale Country Park. Car parking is available for a small charge in the event car park opposite the venue.
Race details and entries
Race formats offered include sprint and standard triathlon, sprint and standard aquabike, and sprint and standard relays. Entry fees listed range from £64 to £117. Wetsuit hire options are available through Zone3 and a separate wetsuit hire provider. The event lists the following facilities and services: professional event commentary, marshals, clearly marked course, free event photos, finish line snacks, and a custom medal. The event partners with Alzheimer’s Research UK for fundraising. ATW’s transfer policy allows entrants to transfer their entry to a future ATW event up to 48 hours before the event; refunds and transfers to another person are not offered.
Distances
- Sprint: 750m swim, 20km bike, 5km run
- Standard: 1500m swim, 37km bike, 10km run
- Sprint Aquabike: 750m swim, 20km bike
- Standard Aquabike: 1500m swim, 37km bike
Age limits are specified for each race category in the event information. Visit the organization's website for the most recent information.
