Sunbury-on-Thames
Trail Running Calendar near Sunbury-on-Thames 2026-2027
Explore the top trail runs near Sunbury-on-Thames for 2026-2027! We've gathered 230 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
May 2027
A guided 30 mile trail run from West Hanger, Guildford, combining North Downs Way and Greensand Way with on-route coaching and group pacing.
A guided 12.5 mile trail run around Box Hill that gains about 1000 metres of elevation across woodland, heathland and open fields. Group pace with technical climbs and scrambling and a chance of an alcohol free beer at the finish.
A two day, two person self supported navigation event at Newlands Corner with camping, maps and a points based route across the Surrey Hills.
A point-to-point 50 km ultramarathon from Horsham to Brighton seafront on 8 May 2027, with mixed trails, four feed stations, full course signing and individual or two-person relay entry options.
Inflatable 5K in Guildford on 8 May 2027 offers lap-based inflatable obstacle distances from 2.5k to 15k, music zones, water stations and finisher medals.
A guided 30 km trail run through the Chiltern Hills with technique instruction, checkpoints, refreshments and a finisher's medal near Tring Station.
Two day obstacle race weekend in Henley on Thames featuring Sprint, Super, Beast and kids races across historic town and riverside terrain.
A 50-mile point-to-point ultramarathon on the North Downs Way from Farnham to Knockholt Pound with about 5,600 ft of ascent, six aid stations, medical support and a 13 hour cutoff.
A mid May running festival in Hackney featuring a 21.1 km half marathon on closed roads, a 10 km night run, community 5K and off road 5K, a schools challenge and a free two-day festival at Hackney Marshes.
A weekend of waymarked trail runs and walks at Mapledurham House near Reading, featuring ultras, a half marathon and supported marathon-length walks.
A single-lap 50 km multi terrain ultra in Maidenhead on May 22 2027, mainly off road along the Thames Path, Jubilee River and the Green Way. Four aid stations, chip timing, live tracking and on-course nutrition support.
A guided trail half marathon around the Surrey Hills, about 13 miles from St Martha's Hill in Guildford, following parts of the North Downs Way and notable viewpoints. The run is social in format with a guided pace and evening options.
Trail event from Richmond to Brighton offering multiple distances, GPS tracking, covered rest stops, medical support, camping and finishers items.
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.