Essex Triathlons - Hanningfield Reservoir
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Event overview
The Essex Triathlons at Hanningfield Reservoir take place on 16 May 2026 at Hanningfield Waterside Park, Chelmsford, Essex. The site is surrounded by mature woodland and about 870 acres of water. The event includes triathlon, aquabike and open water swim races. There are no cut-off times for the event. Free parking is available for participants. Dogs are not permitted around the reservoir because it is a designated SSSI (Site of Special Scientific Interest).
Race details and logistics
Distances:
- Sprint Triathlon - 750m swim, 25km cycle, 5km run
- Standard Triathlon - 1500m swim, 38km cycle, 10km run
- Sprint Aquabike - 750m swim, 25km cycle
- Standard Aquabike - 1500m swim, 38km cycle
- Open water swim event also included
Run routes: Sprint = 1 lap; Standard = 2 laps. Cycle routes: Sprint = 2 laps; Standard = 3 laps. Water temperatures are expected to allow optional wetsuit use; wetsuits are recommended for buoyancy and comfort. A secure transition area will be in place with numbered racking, helmet checks and restricted access to competitors. Live chip timing is provided by Timing Up North with real-time results. All finishers receive an event medal, Wild Deer merchandise and a snack and drink. An event T-shirt can be added to entries for £12.00. Visit the organization's website for the most recent information.
