Henley-on-Thames
Trail Running Calendar near Henley-on-Thames 2026-2027
Explore the top trail runs near Henley-on-Thames for 2026-2027! We've gathered 180 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
May 2027
A 60 km point to point ultramarathon along the Ridgeway National Trail from Ivinghoe Beacon to Ridgeway View Campsite, fully marked with open tracking and four checkpoints.
June 2027
A 24 hour relay at Wasing Park, Reading where Solos, Pairs and Teams run an undulating 8 km trail lap with camping and an on-site event village.
A 5k obstacle course at Royal Windsor Racecourse with mud obstacles to climb, crawl and slide, mixed tarmac and grass surfaces, staggered wave starts and a minimum age of 13. Earlybird entry prices and a fundraising target apply.
A 5 km obstacle course at Prospect Park in Reading where participants climb, crawl and slide across grassy slopes and woodland. Waves run every 15 minutes and the event is open to people aged 13 and over.
Backyard Ultra at Chilton Manor Farm on 5 June 2027 features a 6706 m loop run each hour until one runner remains, with weekend camping, on route water stations, event camp facilities and medical support.
A forest trail event at Wendover Woods offering a hilly multi-lap 10 km course with Half Marathon, 10k and Junior Run options, on-site facilities for spectators, route maps and GPX files, and medals plus free photos for participants.
A muddy 5k obstacle course at Cassiobury Park where participants climb, crawl and slide through timed waves while raising funds for cancer research.
Scenic trail half marathon across Dunstable Downs in June 2027, 21.2 km with 450 m ascent, marked route, two aid stations and a 250 runner limit.
July 2027
A 21.1 km trail race along The Ridgeway between Wendover and Princes Risborough in Buckinghamshire, fully marked with two aid stations and a 4 hour time limit.
A Ridgeway trail event on 10–11 July 2027 offering 50 km and 100 km formats, finishing at Avebury Standing Stones with marked trails, pitstops, medical support, and on course services.
A 125 km waymarked loop around Wiltshire from Linkenholt Activity Center with 1902 m ascent, checkpoints about every 25 km, a 24 hour cut off and on-site camping.
Community focused 10 km race at Highfield Park, St Albans, with a free family fun run, event village, chip timed results and a grass finish.
September 2027
A mixed-terrain trail event along the Thames at Remenham Farm on 4 September 2027, offering a half marathon, a 10K and a junior race for under 11s with chip timing and themed medals.
Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath forest. Sessions run at dusk or at night with headtorches in a led group and a recommended pace of about 10 min per mile.
October 2027
A single 100K loop through the Chiltern Hills from Chesham, with six checkpoints, GPS open tracking and Trail Running Association/UKA permit.
A guided 30 mile trail run from St Martha's Hill exploring the Surrey Hills and Box Hill with an experienced ultra runner and coach. Group pace, recommended 22 miles training, cost £55 and an alcohol free beer may be available.