Cambridge
Triathlon Calendar near Cambridge 2026-2027
Monthly updates for Cambridge
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Cambridge for 2026-2027! We've gathered 14 exciting races in the area. Check out our detailed list below to find your next local race.
August 2026
Two triathlon distances in Bedford town centre on 16 August 2026, with river swims, country bike routes and multi-lap riverside runs.
September 2026
A community aquathlon at Letchworth Outdoor Pool combining a 400 m pool swim and a 5 km run with junior distances and relay options. Chip timed age group competition, inclusive entries and a 350 participant limit.
Riverside triathlon in St Neots on 20 September 2026 offering sprint to middle distances, open water swim, camping, wetsuit hire and relay options.
ATW Grafham Triathlon at Grafham Water features sprint and standard formats with open water swim loops, a flat out and back bike and a 5 km lap run around the dam. Aquabike and relay options plus wetsuit hire and overnight options are available.
Timed solo swimrun at Grafham Water with repeated 2.5 km laps, two swims and shrinking time limits until the last person remains.
Monthly updates for Cambridge
Get new running races (and updates) in your inbox every month.
October 2026
Duathlon at Grafham Water on 25 October 2026 with Standard and Sprint distances, a 2.5 km dam lap and an out and back bike route to St Neots. Races are draft illegal and supervised by British Triathlon motor officials.
March 2027
A spring duathlon in Ely with two 4 km runs and a 26 km bike across a flat fenland course and a former WW2 airfield.
May 2027
Team triathlon relay at Box End Lakes with 350 m swim, 7.7 km bike and 1 km run per athlete, offering team and single entry options and on site camping.
A 100 km triathlon at Box End Lakes on 23 May 2027 featuring a 2.2 km swim, 81 km bike and 20 km offroad run with aquabike and relay options.
Triathlon at Box End Lakes on 23 May 2027 offering Sprint, Standard and Centurion distances. Options include aquabike, two to three person relays, non-draft multi-lap courses and on-site camping.
June 2027
ATW Grafman is a middle distance triathlon at Grafham Water with a 1.9 km swim, 90 km bike and 21 km run plus aquabike and relay options.
July 2027
A five-distance triathlon at Hitchin Outdoor Pool with pool swims, closed roads cycling and a flat run finishing at Butts Close.
Teams of three each complete a 750m swim, 23km bike and 5km run in relay format at Box End Park with categories and prizes for top teams.
September 2027
Triathlon at Box End Lakes on 19 September 2027 offering Sprint, Standard and Middle Distance races plus aquabike and relay options in clear open water.