Greenham
Triathlon Calendar near Greenham 2026-2027
Monthly updates for Greenham
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Greenham for 2026-2027! We've gathered 18 exciting races in the area. Check out our detailed list below to find your next local race.
February 2027
Multi-discipline duathlon and off-road endurance races at Henley Showground on 7 February 2027, with marked courses, chip timing and on-course support.
April 2027
A classic run, bike, run duathlon on 18 April 2027 around Chieveley and the West Berkshire downs, with two 5 km runs and a 25 km bike leg.
May 2027
Triathlon at Dorney Lake with supersprint and sprint distances on flat closed courses, chip timing and British Triathlon registration.
Sprint triathlon in Royal Wootton Bassett on 9 May 2027 with a 400 m pool swim, 22 km bike and 5 km run; 2027 profits go to Wiltshire Air Ambulance.
Multisport festival at Dorney Lake on 16 May 2027 featuring triathlon, duathlon, aquabike, open water swims and 5K to 15K runs, entry from £25.
Monthly updates for Greenham
Get new running races (and updates) in your inbox every month.
Triathlon at Higginson Park on 30 May 2027 with Middle Distance, Olympic and Sprint races, a Thames swim and road bike and run courses.
Multisport event at Higginson Park in Marlow featuring triathlon, duathlon, aquabike, aquathlon and 750m 1500m 3000m open water swims with chip timed results and finisher medals.
June 2027
Pool-based triathlon in Henley-on-Thames with indoor swims, rural cycle laps and grass runs across Sprint, Super Sprint, Fun, relay and CRUK wave options.
July 2027
A multi-discipline event in Winchester with a 20 km bike, 2 km kayak and 5 km run, open to individuals or relay teams with standard and early bird fees.
Marlow Triathlon at Higginson Park on 11 July 2027 offers Middle Distance, Olympic and Sprint races with timed results, race village facilities and charity support for Macmillan.
One on the River Marlow stages triathlon, duathlon, aquabike, aquathlon and open-water swims at Higginson Park beside the River Thames with chip timing and marked courses.
Multi distance family triathlon at Dorney Lake with open water swims, closed road bike laps, junior Tristar races and a Family Fun non competitive option.
SPRINT Superhero Tri is a short multisport challenge with a 150 m swim, 3 km bike and 1 km push/run. Entries can be solo, relay, or pulling a Superhero; everyone on course must be registered and receives a medal, T shirt and Super Kit Bag.
September 2027
A long-running sprint triathlon in Newbury with a 300 m swim, 22 km open road cycle and 5 km canal run; 40th edition on 5 September 2027.
One on the Lake Dorney on 5 September 2027 offers triathlon, duathlon, aquabike, aquathlon, open water swims and 5K, 10K and 15K runs with pro timing and medals.
Multi-distance triathlon, aquathlon and aquabike at the H2O Swim Centre lake in Reading on 12 September 2027, featuring open water swims and single loop road cycle routes.
October 2027
Duathlon at Thruxton Race Circuit on a wide smooth tarmac loop, offering Standard and Sprint options with spectator facilities and on site parking.