Welwyn
Trail Running Calendar near Welwyn 2026-2027
Explore the top trail runs near Welwyn for 2026-2027! We've gathered 129 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
December 2026
A lakeside Christmas event in Milton Keynes offering marathon and half marathon options with 7½ and 3½ clockwise laps of Caldecotte Lake. Finishers receive a bespoke medal and the event is held under 100 Marathon Club rules.
A looped trail event in Crystal Palace Park where runners complete 2.65 km laps within a 7 hour time limit. Distances range from 5 km to ultra and all participants receive a finishers' medal.
January 2027
A guided 10 km trail run in the Chilterns from Church Farm Cafe, Aldbury, featuring hills, woodland routes, on site parking and bag drop.
Lap-based medal run in St Neots offering distances from 5 km to ultra, a one hour flexible start window and a six hour time limit.
A 25 miles route on 3 January 2027 around Stansted with a punctured figure of eight, River Stort crossing near Manuden, indoor checkpoints and a finishers certificate.
A 43-mile ultra from Wendover to Little Venice mixing trails, roads and canal towpath with GPS tracking, checkpoints, mandatory kit and an 11-hour cutoff.
February 2027
Valentines run at Riverside Park St Neots with a lap format from one 5.3 km lap to ultra distances within a six hour limit.
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..
March 2027
Riverside out and back races from Small Profit Dock Gardens along the Thames Path offering 10 km, half marathon and marathon courses with stocked checkpoints and medical support.
Timed lap based event on a 5.3 km out and back course around Regatta Meadow in St Neots allowing entrants to choose how many laps to complete.