Trail Running calendar near Southampton 2026-2027
We have found 488 Trailruns within 80 miles of Southampton. See below where and when you can find the races.
0 – 100∞ km
Articles
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Test your endurance at MacTuffX Bristol with interval based running challenges. Choose between solo, doubles, or relay formats across 400m and 800m repetitions in this organized summer event for adults.
A muddy 5k obstacle event at The Common in Southampton on 20 June 2026 where participants aged 13 and over climb, crawl and slide through a marked route while raising funds for cancer research. Waves start every 15 minutes.
A 5 km obstacle event on The Downs in Bristol on 20 June 2026 where participants aged 13 and over climb, crawl and slide across a mainly grassy course. Waves run every 15 minutes, a fundraising target of £50 applies and finishers receive a..
A 21.2 km trail half marathon on the National Trust's Dunstable Downs on 21 June 2026, featuring 450 m of ascent, two on-route aid stations and fully marked trails with GPX support.
Run through the historic landscapes of Horsell Common where the Martians first landed in literature. This volunteer led charity event offers trail routes from 2 km to 21 km in a scenic Site of Special Scientific Interest.
A 10 km trail run at the Tusmore Estate near Bicester, hosted by Twisted Tree Brewery, with a canicross category. The mostly off road course includes two refill stations, chip timing, a medal, a pint cup and a free drink.
A multi-terrain 10k starting and finishing at Umborne Village Hall near Colyton, with about 75% off-road running and a scenic section on the private Widworthy Estate. The event includes marshals, water stations, limited parking and prizes a..
Join this athletic event in Bournemouth featuring high intensity intervals of 400m and 800m. Choose between solo, doubles, or relay formats for a unique group or individual experience.
A flat, timed 10 kilometre out-and-back from the toll bridge in Shoreham to Bramber and back on 21 June 2026, with a halfway aid station, full marshals, 4x4 pickup and a new medal; entries open 20 March.
A backyard ultra at Longbridge Farm Barns near Alfriston where runners complete at least 4.167 mile laps every hour until one runner remains. The event uses a token system, timed laps, a small aid station, onsite support and sustainability..
Experience an off road adventure through the private Matterley Estate in the South Downs National Park. Choose between a 10km or half marathon distance on a well marked course featuring gravel tracks and woodland trails.
A family festival at Culden Faw Estate on June 27, 2026, focused on a children's obstacle course and a lively event village with food and activities. Race options include two youth OCR categories and a festival-only entry.
A muddy 5k obstacle event at Cheltenham Racecourse on Saturday 27 June 2026 featuring climb crawl and slide obstacles, staggered wave starts, a minimum fundraising target and on-site facilities including parking and toilets.
A 5 km obstacle course at Stanmer Park on 27 June 2026 featuring muddy climbs, crawls and slides across fields and woodland. The event is for ages 13 and over, has staggered wave starts, and a minimum fundraising target of £50.
RunThrough Marlow Trail Run on 28 June 2026 features off-road Half Marathon, 10K and 5K routes around the Thames Valley, with marked trails, chip timing, free photos and a themed medal.