Welwyn
Trail Running Calendar near Welwyn 2026-2027
Explore the top trail runs near Welwyn for 2026-2027! We've gathered 139 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
December 2026
A 10 mile cross country race in Hainault Forest over three laps on tracks and grassland, with on-the-day entries, a two hour cut-off and prizes for men, women and veterans.
January 2027
A guided winter trail run of 10 km through Chilterns woodlands and hills, based at Church Farm Cafe in Aldbury with 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 mile route around Stansted Mountfichet on 3 January 2027, run as a punctured figure of eight with indoor checkpoints and included refreshments and meal.
A 43 mile ultra from Wendover to Little Venice in London that opens the ultra season, featuring GPS tracking, five checkpoints, baggage transfer and a mandatory kit list.
Trail running and mountain biking in the Chilterns with map and compass navigation, multiple timed race options and bike hire available.
Informal two lap Second Sunday 5 at Richardson Evans Memorial Fields, Putney Vale on 10 January 2027, organised by Thames Hare & Hounds.
LUCA XC Race 3 is a scheduled cross-country event at Mitcham Common, London on 20 January 2027 organised by London Unis and Colleges Athletics.
Masters cross country for athletes aged 35 and over at Wimbledon Common on 23 January 2027. A 7.5 km race with an entry limit of 150 and medals by age group.
A lap format timed event in Marston Moretaine offering distances from 5 km to ultra on a 5.3 km flat mixed terrain course with a six hour limit and 75 places.
February 2027
Half marathon, multi terrain 10K and a 1.8 km fun run in Cassiobury Park Watford with a £2000 half marathon spot prize and Racecheck Gold Award.
An all-terrain 10 km across Wimbledon Common with mud, hills and a watersplash, organised by Thames Hare and Hounds with on-course marshals and a mid-race water station.