ATW Stewartby Lake Triathlon & Aquabike
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Event overview
ATW Stewartby Lake Triathlon & Aquabike is organised by Active Training World and is scheduled for 21 June 2026 at Stewartby Lake, Green Lane, Bedford MK43 9LY. The venue is at Stewartby Sailing Club and features a lake swim, a lapped road bike course described by the organiser as very fast and flat, and a traffic-free run on flat paths alongside the lake in Marston Vale Country Park. Wetsuit hire is available through Zone3 and a separate wetsuit hire provider for short-term rentals. The event lists Alzheimer’s Research UK as a charity partner, with opportunities to donate and fundraise at checkout. Car parking is available for a small charge in the event car park opposite the venue.
Race formats and entry
Distances offered include:
- Sprint Triathlon: 750 m swim, 20 km bike, 5 km run
- Standard Triathlon: 1500 m swim, 37 km bike, 10 km run
- Sprint Aquabike: 750 m swim, 20 km bike
- Standard Aquabike: 1500 m swim, 37 km bike
Relay options are available for Sprint and Standard formats. The published price range for available entries is £66.00 to £119.00. Age limits stated are 15 and over for Sprint events and 17 and over for Standard events (as specified in the event information). The organiser’s transfer policy allows entry transfers to any future ATW event up to 48 hours before the original event date. Visit the organization's website for the most recent information.
