Oxford
Triathlon Calendar near Oxford 2026-2027
Monthly updates for Oxford
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Oxford for 2026-2027! We've gathered 9 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
A long established sprint triathlon in Newbury, Berkshire with a 300 m pool swim, a 22 km open road cycle and a 5 km canal run. Entries must be made in advance and close on 26 August 2026.
Reading Triathlon on Sunday 13 September 2026 offers Sprint, Standard, Aquathlon, Aquabike and new Super Sprint races with open water swim and chip timing.
Multisport event at Henley Showground on the River Thames offering triathlon, aquabike and open water swims on marked, marshalled courses.
April 2027
A duathlon at Chieveley Village Hall on 18 April combining a 5 km run, 25 km bike and 5 km run across off road paths and rural roads.
May 2027
Marlow Triathlon on 30 May 2027 at Higginson Park features open water River Thames swims, cycling through the Chilterns and riverside runs, with medals and chip timing.
Monthly updates for Oxford
Get new running races (and updates) in your inbox every month.
June 2027
Two-day triathlon at Blenheim Palace with Sprint and SuperSprint races, lake swim, closed road bike, parkland run, finish line festival and team programme.
Pool-based triathlon in Henley-on-Thames on 6 June 2027 with indoor swim, rural bike route and grass run across multiple distance options.
July 2027
Triathlon at Higginson Park, Marlow on 11 July 2027 offering Middle, Olympic and Sprint distances with a Thames swim and chip timed results.
September 2027
A 20K event on 5 September 2027 combining three Thames swim sections with three cross country runs through Wytham Woods, with three feed stations and post race cafe.