Oxfordshire
Triathlon Calendar near Oxfordshire 2026-2027
Monthly updates for Oxfordshire
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Oxfordshire for 2026-2027! We've gathered 13 exciting races in the area. Check out our detailed list below to find your next local race.
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.
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 festival in Banbury on 16 May 2027 with a 50m outdoor heated pool, multiple race formats and a 20 km undulating bike route.
Triathlon at Higginson Park on 30 May 2027 with Middle Distance, Olympic and Sprint races, a Thames swim and road bike and run courses.
Monthly updates for Oxfordshire
Get new running races (and updates) in your inbox every month.
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
Triathlon at Blenheim Palace on 5–6 June 2027 with SuperSprint and Sprint distances, a lake swim, closed road bike course and a finish line festival.
Pool based triathlon in Henley with countryside cycling, a grass run at Gillotts School, multiple distances, relay options and a charity CRUK wave.
July 2027
Triathlon at Higginson Park, Marlow on 11 July 2027 offering Half Iron, Olympic and Sprint distances while supporting Macmillan Cancer Support.
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.
August 2027
A summer multisport event in Henley on Thames with triathlon, duathlon, aquabike, aquathlon and open water swims on the River Thames.
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.
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.