Trail Running calendar near Welwyn 2026-2027

We have found 394 Trailruns within 80 miles of Welwyn. See below where and when you can find the races.

Run laps around Ferry Meadows at the Pumpkin Plod on 25 October 2026, choosing a 4 or 6 hour timed session. Enjoy multi terrain 5.3 km loops, pick a finisher medal and soak up the scenic lakeside setting.

Experience Irchester Spooktacular, a Halloween night time run through woodland trails with 5k and 2k family options. Fancy dress, themed marshals, medals, Halloween treats and free photos make it a spooky family favorite.

Chiltern Ridge Winter 50K, Saturday 31 October 2026, is a single loop trail from Berkhamsted through Ashridge and the Ridgeway with about 800 m of climbing. A UTMB index event ideal for experienced trail runners seeking scenic winter trails..

UTMB Index

Experience a night gravel run through Alice Holt Forest on Saturday 31 October 2026, choosing 5, 10 or 15 km laps guided by headtorch. Enjoy fully marked trails, on course snacks and a metal finisher medal in an atmospheric woodland event.

November 2026

Enjoy an autumn trail challenge at Wendover Woods with marathon, half, 10k and junior 1k options across scenic, hilly and varied terrain. Expect bespoke medals, free photos and family friendly facilities including a cafe, adventure playgrou..

Run a 5 mile Night or Dawn route on Brampton Valley Way and pass through the atmospheric 422 m Oxendon Tunnel. Earn an interlocking event medal, enjoy post race refreshments, and support local foodbanks.

Enigma Fireworks lights up Caldecotte Lake on 6 and 7 November 2026 with marathon and half marathon races around the scenic waters. Enjoy multiple laps, on course support and a bespoke finisher medal in a friendly festival atmosphere.

Take on flat, scenic laps along the Thames towpath in Walton on Thames with flexible starts and distances from 5 km to ultra. Limited places, aid stations, digital results and medals make this a friendly, festival style challenge.

Run under the stars at Stonor Park for the Maverick Dark Oxfordshire Trail on 7 November 2026. Choose 7 km, 13 km or 17 km marked, timed routes with atmospheric night running and outposts on the longer courses.

Explore autumn trails at Stonor Park and the Chilterns on 7 November 2026 with 7 km, 13 km and 22 km routes, wildlife and scenic woodland. Fully marked, timed and a finisher medal await in this friendly trail event.

Join the Dirt Half Challenge, a popular trail half marathon around Leighton Buzzard that winds along canal towpaths, through woodland and over the Greensand Ridge with a few muddy sections. Friendly marshals, volunteers and first aid keep t..

Run from Alexandra Gardens in Windsor along flat, fast off road trails through parkland and woodland. Choose 10K or half marathon with chip timing, free photos and an event village serving food and giveaways.

Join the Remembrance Run on 8 November 2026 at Wraysbury for a moving riverside event honouring those who died, with a two minute silence during the race. Choose distances from 3 km to ultras and earn a finisher medal.

Reflective Remembrance Sunday run in Brightlingsea on 8 November 2026, with the Last Post and silences at the start and at 11:00. Looped traffic free 10.54 km laps let you choose 10 km, half, full or a 6 hour timed challenge.

Join the Remembrance Run on 8 November 2026 for a scenic timed challenge along the River Thames where you pick your distance from 3 km up to ultra. A two minute silence will be observed and finishers from 3 km receive a medal.

Tackle the Wendover Woods 50, a rugged 50 mile trail challenge across five 10 mile loops through scenic woodland with roughly 10,000 feet of climb. Expect technical forest trails, full support and a dramatic finish at Trig Point Field.

UTMB Index

Take on the North Chilterns 50K, a 50 km trail ultra from Putteridge Bury through Chiltern hills. Limited to 250 runners, this UTMB index race has marked trails, aid stations and a friendly event base for an autumn challenge.

UTMB Index

Join the Thames Path Trail Run in Berkshire on Saturday 21 November 2026 for scenic riverside running from Alexandra Gardens. Choose 21 km or 16 km on flat trails and finish with a medal, drink and goodies.

Guided 10km trail run around the dramatic Devil's Punchbowl in Hindhead, led by an experienced trail coach. Social group sessions run at dusk or night with headtorches for a fun, steady off road challenge.

Tackle Suffolk's stunning trails at Maverick Suffolk Gravel 2026, with 9 km, 16 km and 23 km options through the Area of Outstanding Natural Beauty. Expect fully marked courses, on course support, a finisher's medal and pro event vibes.