Grantchester
Triathlon Calendar near Grantchester 2026-2027
Monthly updates for Grantchester
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Explore the top triathlons near Grantchester for 2026-2027! We've gathered 16 exciting races in the area. Check out our detailed list below to find your next local race.
August 2026
A long distance triathlon festival on 8 August 2026 at Riverside Park, St Neots, offering full, half and aquabike options with on site camping and a festival hub.
Triathlon at Riverside Park St Neots on 8 August 2026 offering sprint, standard, aquabike and relay formats as part of the First To Full festival.
A multisport festival at Riverside Park offering sprint to full triathlon options, relay racing, a 12 hour endurance run and family-friendly entertainment.
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.
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.
May 2027
Four person team relay triathlon at Box End Lakes featuring a 350 m swim, 7.7 km bike and 1 km run per athlete. Teams can enter in Olympic mixed, female or open categories and single entries may be allocated to teams on race day.
A 100 km triathlon at Box End Lakes on 23 May 2027 with a 2.2 km swim, 81 km non draft bike and a 20 km off road run. Aquabike and team relay options are available, with camping and free parking on site.
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.