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 12 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
Duathlon, cross duathlon and off-road endurance races at Henley Showground on 7 February 2027 with chip timing, marked courses and on-course support.
April 2027
A duathlon at Chieveley Village Hall on 18 April 2027 combining two 5 km runs with a 25 km bike leg and on-site parking and refreshments.
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.
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.
Monthly updates for Oxford
Get new running races (and updates) in your inbox every month.
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 swim, rural cycle and grass run in Henley offering Sprint, Super Sprint, fun and charity CRUK Wave options with chip timing and relay entries.
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.
Multisport event at Higginson Park, Marlow combining triathlon, duathlon, aquabike, aquathlon and open water swims in the River Thames.
August 2027
A summer multisport event in Henley on Thames offering triathlon, duathlon, aquabike, aquathlon and open water swims with chip timing and a finisher medal.
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.