Knebworth
Triathlon Calendar near Knebworth 2026-2027
Monthly updates for Knebworth
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Knebworth for 2026-2027! We've gathered 19 exciting races in the area. Check out our detailed list below to find your next local race.
October 2026
Aquathlon at the London Aquatics Centre: a 400 m pool swim followed by a measured 5 km run in Queen Elizabeth Olympic Park, open to ages 15 and over.
January 2027
Trail running and mountain biking in the Chilterns on 9 January 2027 with score-format navigation, solo or team entries and options from 2 hour to 5 hour events.
March 2027
A family focused run bike run at Hillingdon Cycle Circuit on 14 March 2027 with multiple distances on a traffic free tarmac circuit.
May 2027
Open-water triathlon at Riverside Park, St Neots offering Super Sprint, Sprint, Standard, Aquabike and relay on a non-drafting course.
Sprint triathlon at Hatfield Sports Village with a 400 m pool swim, 20 km bike and 5 km run, including the Herts Club Sprint Championships and non-draft rules.
Monthly updates for Knebworth
Get new running races (and updates) in your inbox every month.
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.
Team relay triathlon at Box End Lakes with three team categories, a 350 m swim, 7.7 km bike and 1 km run; single entries can be assigned to teams.
A Metric Centurion 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.
July 2027
Five-distance triathlon at Hitchin Outdoor Pool and Butts Close, from children's Nano races to the Olympic distance, with timing, t-shirt and finisher medal included.
Open-water triathlon at Riverside Park St Neots on 17 July 2027 with Sprint and Standard distances plus aquabike and relay options.
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.
August 2027
A multiformat triathlon event at Emberton Country Park on 1 August 2027 offering middle, standard and sprint distances plus aquabike, aquathlon and relay options.
Triathlon and endurance festival in St Neots offering sprint to full distances, team relays, a 12-hour run, festival entertainment, camping and charity fundraising.
A town centre triathlon in Bedford on 15 August 2027 offering Olympic and Sprint formats with river swims, country bike routes and multi-lap Embankment runs.
A two day triathlon festival in London on 21 and 22 August 2027 featuring a 100 km T100 race plus Olympic, Sprint and Super Sprint formats and relay options.
Beginner friendly triathlon day at Surrey Docks Fitness and Watersports Centre with open water swims, static bikes and flat run routes focusing on community and inclusion.
September 2027
Closed-road triathlon at Willen Lake on 12 September 2027 with Sprint and Standard distances plus aquabike and relay options.
Triathlon at Box End Lakes on 19 September 2027 offering Sprint, Standard, Odyssey middle distance, aquabike and relay options.