Welwyn
Trail Running Calendar near Welwyn 2026-2027
Explore the top trail runs near Welwyn for 2026-2027! We've gathered 121 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
February 2027
Looped races at Chalfont Park Sports Club and Chalfont St Peter Community Centre let runners choose distances from single 7K or 10K laps up to ultramarathons, with drop bag access, aid stations, crew support and on-site medical cover.
A timed lap event in Crystal Palace Park on 21 February 2027 where runners complete 2.65 km laps to reach distances from 5 km to ultra, with a seven hour limit and a finishers' memento for all participants.
A 42-mile trail race from Chipping Ongar to the ancient Chapel of St Peter-on-the-Wall, following an old pilgrimage route through rural Essex. Mostly off-road and often muddy, the route is waymarked with GPX support, four outdoor checkpoints and mand..
Looped races at Chalfont Park Sports Club and Chalfont St Peter Community Centre let runners choose distances from single 7K or 10K laps up to ultramarathons, with drop bag access, aid stations, crew support and on-site medical cover.
March 2027
A 13-mile trail half marathon in the Chiltern Hills with guided run leaders, grouped pacing, a refreshment point, finisher’s medal and a Trees not Tees certificate.
Trail event at Hyde Hall Farm offering 10k, half, full and ultra distances with lap-based courses, water at the lap point, secure parking and a bespoke finisher medal. The event is cupless so bring a refillable cup or bottle.
Looped races at Chalfont Park Sports Club and Chalfont St Peter Community Centre let runners choose distances from single 7K or 10K laps up to ultramarathons, with drop bag access, aid stations, crew support and on-site medical cover.
April 2027
A night running challenge at Hyde Hall Farm offering twelve hour or six hour shifts under the stars. Head torches are required and hot drinks plus an aid station are provided with a medal for every finisher.
A 50K trail ultra across the Ridgeway between Berkhamsted Castle and Wendover, with three aid stations, marked navigation and a 9 hour limit.
A guided 42.2 km trail run through the Chiltern Hills with qualified Run Leaders, checkpoints, mandatory trail shoes and a wooden finisher's medal.
Inflatable obstacle course event in St Albans on 24 April 2027 with 2.5 km laps and distance options from 2.5 km to 15 km, family friendly rules and on site facilities.
May 2027
A point to point 100 mile trail race along the Thames from Richmond to Oxford on 1 May 2027 with a 30 hour limit and multiple aid stations.
Muddy obstacle races at the Secret Nuclear Bunker Estate in Essex with 6 km (40+ obstacles) or 12 km (70+), featuring a 20 foot Deathslide and zip lines.
A guided 30 km trail run through the Chiltern Hills with technique instruction, checkpoints, refreshments and a finisher's medal near Tring Station.
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.
Track-based event at Wodson Park on 23 May 2027 with distances from 5k to 50k plus a 6-hour timed challenge on a 400 m athletics track.
Trail event from Richmond to Brighton offering multiple distances, GPS tracking, covered rest stops, medical support, camping and finishers items.
A multi-distance endurance event at Hyde Hall Farm featuring a 5.3 km loop, a 100 mile 32 hour option, timed challenges, an aid station and on site parking.