Trail Running calendar near Henley-on-Thames 2026-2027
We have found 675 Trailruns within 80 miles of Henley-on-Thames. See below where and when you can find the races.
0 – 100∞ km
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A 24-hour multi-terrain relay or solo race near RM13 with teams of 2 to 8, repeated 5.75 mile laps, free camping and on-site catering, showers and first aid. Entry fees are published from £89 to £110.
A family friendly inflatable obstacle run in Southampton on Saturday 11th July 2026, offering 2.5k, 5k, 10k and 15k options with giant inflatables, five music zones, a finisher's medal and on-site food and water stations.
A 50 km trail race from Studland Beach along the Purbeck Way that passes coastal landmarks like Old Harry Rocks and Corfe Castle. One runner is appointed the Ferry who starts at the back and competitors aim to finish ahead of them.
Enjoy a flexible timed running event along the flat River Thames towpath. Choose your distance from 5km to an ultra marathon and earn a bespoke spinning medal on this fast riverside course.
A guided 10 km trail run in the Chiltern Hills on 11 July 2026, based at Church Farm Cafe in Aldbury. Run leaders provide technique tips and local history, with on-site parking and a 15 minute walk from the station; dogs allowed with cani c..
A functional fitness race in Peterborough featuring ten Xercises plus running, offered as 400m or 800m formats with Solo, Doubles, and Relay categories. Gender-based weight divisions apply and all entrants must be 18 or older.
A teams event at The Packhorse in South Stoke on 11 July 2026 where three person teams in compulsory fancy dress collect and carry a full cider barrel from Upper Midford back to the pub. Prizes include fastest time, best fancy dress and tea..
A lap based timed run at Mowsbury Park on 11 July 2026 offering distances from 5 km up to ultra with a flexible one hour start window and a choice of medal or lower cost no medal entry. Places are limited to 75.
A Pretty Muddy 5k obstacle course at Abington Park in Northampton, with mixed-path and grass terrain. The event supports Cancer Research UK, has on-site parking and facilities, and requires participants to be at least 13 years old.
A mud obstacle *5k* inside Beckenham Place Park with grass and path terrain, steep sections and timed wave starts. Organised by Cancer Research UK, the event includes on-site facilities, marshal support and a minimum fundraising target.
A charity Pretty Muddy 5k at Cofton Park on 11 July 2026 with a grass, partly hilly obstacle course. Participants must be 13 or older and receive a fundraising pack, back sign and a finisher medal.
A muddy 5K obstacle event in Brentwood on 11 July 2026 featuring climbs, water crossings and a 20 foot slide into a lake. Open to ages 13 and over, with a £40 registration fee and a £100 fundraising pledge.
Ultra:5K in Kempston on 12 July 2026 features repeated 5K races spaced one hour apart; entrants may choose five races or a three-race option, with winners decided by fastest cumulative time.
A Race for Life event at Abington Park on 12 July 2026 offering 10k, 5k and 3k distances with chip timing. The park course uses paths and grass; parking is on grass and the route is not suitable for wheelchair users.
A *10 km* trail race around Stoke Park in Stapleton, Bristol on 16 July 2026, organised by Town and Country Harriers. Half of entry proceeds go to a local charity and prize categories include Open, Female and age groups.