Trail Running calendar near Welwyn 2025-2026

We have found 367 Trailruns within 80 miles of Welwyn. See below where and when you can find the races.

Fen Gallop 2026 is a scenic running event held in Willingham, Cambridgeshire, featuring flat, multi-terrain courses along country roads, footpaths, and bridleways. Participants can choose between a 10K race or a shorter 4-mile option, both..

On 5 July 2026 the Chiltern Ridge Half Marathon offers a scenic off road challenge along The Ridgeway near Wendover, with rolling climbs and woodland views. Entries are limited to 350 runners so book early for this memorable trail experienc..

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Join the Bishop's Stortford Mitre on 5 July 2026 for community 10k, 5k and a fun 1K kids race on traffic free country lanes at Jobbers Wood. Support the Mitre Fund and enjoy chip timing, a finisher T shirt or a tree planted in your name.

Explore Thursley Common on a guided 10km trail run, a notably flat route with a scenic boardwalk and plenty of birdlife and dragonflies. Enjoy a friendly group atmosphere with kit to try and optional post run refreshment.

Run the Summer 10k at picturesque Coombe Abbey Park, a scenic two lap trail through woodland and meadows with a mix of grassy and rooty footing. Choose a tree token instead of a medal to plant a tree and support wildflowers.

Take on the Swan Challenge on July 10, 2026 at Coombe Abbey Park: a six hour event where you complete as many 3.3 mile laps as you can. Enjoy flat park paths, support Roald Dahl Charity, and pick a medal or tree token.

Run the Ridgeway to the Avebury Standing Stones in Race to the Stones, with 50 km and 100 km options including a two day format. Scenic trails, marked course, pitstops and full support make this a bucket list ultramarathon.

The The Maverick Chilterns Trail will take place in Wendover on Saturday 11 July 2026. You can run between 10 and 51 kilometers.

Join the Spitfire Scramble, a 24 hour multi terrain relay or solo event at Albyns Farm where teams of two to eight trade laps on scenic trails. Camp from Friday and enjoy food, hot showers, sports massage and a lively race village.

Ultra:5K Kempston is held at Box End Park, Box End Rd, Kempston MK43 8RQ. The event, scheduled for Sunday 12 July, offers a simple but challenging format: participants run a 5K on the hour, every hour, for five hours. A three-race option is..

Join the Norfolk Festival of Running at Bawsey Country Park for looped sand, gravel and grass trails with distances from 5k to ultra marathon. Small field, lap based courses with on site aid and parking included for a relaxed race day.

BigHeat CAMP FIRE is a festival style trail weekend at Mill Farm in the Surrey Hills, pairing single lap scenic trails with a fiery communal vibe. Choose from 2 km to a 50 km ultra, then unwind with camping, live music and yoga.

Camp and run for 24 hours on the scenic Shotley peninsula in Suffolk, tackling a fully marked 4.3 mile coastal lap with solo, pairs or team entries. Enjoy onsite camping, yoga sessions, sauna options and bespoke vests and medals.

Run through scenic Wendover Woods with 5K and challenging 10K trail options plus a 1.5K accessible loop. Limited to 500 runners, with chip timing and a finisher medal for all.

Run the ATW St Albans Summer 10K on 19 July 2026 at Highfield Park for a chip timed 10 km along the Alban Way, with a free family fun run. Festival vibes with live music, kids activities, food stalls and a custom medal while supporting Alzh..

Enjoy scenic trails at Winwick Hall with 10k, 5k and a 2k kids fun run, all fully marshaled and perfect for families. Run for the Bruce Green Foundation and pick up a finisher medal in this friendly country event.

Run ten consecutive days at the Suffolk Running Centre in the Great Barrow Challenge, choosing distances from 5 km to ultra. Entry covers all ten days and parking, bespoke medals each day and the event is cupless so bring your own bottle.

Zig Zag Running hosts the Great Barrow Challenge at the Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX. This 10-day, individual event offers multiple distances — 5k, 10k, half, full and ultra — with Day 1 featuring the Denha..

Join a friendly 7 hour timed run along the Thames at Wraysbury, with flat paved loops suitable for road shoes. Pick distances from a 3 km loop up to marathon and ultra, and enjoy a medal plus goody bag and riverside views.

Enjoy a scenic, flat trail run around Maidenhead Commons and Summerleaze Lake on Sunday 26 July 2026. Choose 5K, 10K or half marathon and earn a themed medal with free race photos, chip timed results and a lively event village.