The Course

The Swim

The swim is a 750m loop of Stewartby lake. The sprint distance consists of one lap of this loop, whereas the standard distance is 2 laps. The supersprint uses a shorter 400m loop.

The Bike

The bike course heads out onto a fast and flat road where you will complete either 1, 2 or 4 laps for the supersprint, sprint or standard distances respectively. The supersprint distance totals 12km, the sprint distance totals 20km and the standard distance totals 37km.  Click the map for the full size image.

Download the GPX files


The Run

The run heads along trail paths alongside the lake into Marston Vale Country Park. It is a 5km out and back course, which you complete once in the sprint race and twice in the standard race. Click the map for the full size image. The supersprint will turn halfway through the lap to complete a 2.5km run.

Quick Event Info

Stewartby Lake Triathlon
Super Sprint Distance
400m swim
12km bike
2.5km run
Sprint Distance
750m swim
20km bike
5km run
Standard Distance
1500m swim
37Km Bike
10Km Run
Sprint Aquabike
750m swim
20km bike
Standard Aquabike
1500m swim
37Km Bike
Venue: Stewartby Lake, Green Lane, Bedford MK43 9LY
Organiser: ActiveTrainingWorld