Knebworth
Triathlon Calendar near Knebworth 2026-2027
Monthly updates for Knebworth
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Explore the top triathlons near Knebworth for 2026-2027! We've gathered 21 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.
An inclusive triathlon at Dorney Lake on 15 August 2026 offering solo, relay and adaptive options across three distances with no cut-off times.
Bedford Triathlon in Bedford offers Olympic and Sprint categories, a local TT-style bike route with a Hill Foot climb, and a riverside two-lap run.
A community duathlon on Hampstead Heath combining swims across the ponds and short runs, held on 30 August 2026. Individuals and teams of three to five can enter, and some proceeds support local breast cancer rehabilitation programmes.
September 2026
A relaxed community triathlon in South London with open water swim, stationary bike and dockside run where participants choose their own distances.
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.
Nettleden Duathlon at Nettleden Lodge near Berkhamsted combines a 6 km run, a 24 km cycle and another 6 km run. It accepts individual entrants and relay teams, includes free kids races, and raises funds for charities.
A closed-road triathlon at Willen Lake offering Sprint and Standard distances, plus aquabike and relay options. The event features calm open water, a traffic-free bike course and a flat lakeside run.
Riverside triathlon in St Neots on 20 September 2026 offering sprint to middle distances, open water swim, camping, wetsuit hire and relay options.
Multi-distance triathlon at Emberton Country Park on 2 August 2026, with Middle, Standard and Sprint races plus aquabike, aquathlon and bike-run options.
Multi-sport events at Willesden Sports Centre featuring a 400 m pool swim with 10 km bike and 5 km run options; entries for the September triathlon go via British Triathlon.
October 2026
A swim and run event at London Aquatics Centre and Queen Elizabeth Olympic Park on 31 October 2026, featuring a 400 m pool swim and a measured 5 km park run, with chip timing, race photos and a themed medal.
May 2027
Multi-discipline event at Hanningfield Reservoir near Chelmsford featuring sprint and standard triathlons, aquabikes and open water swim with live chip timing and free parking.
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.
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.