Welwyn Garden City
Trail Running Calendar near Welwyn Garden City 2026-2027
Explore the top trail runs near Welwyn Garden City for 2026-2027! We've gathered 213 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
May 2027
Farmmageddon at Hyde Hall Farm is a multi-distance trail event with a 5.3 km loop and timed ultra options including a two day 100 mile race.
A backyard ultra where runners complete a 6.7056 km loop each hour and repeat laps until only one competitor remains, held at The Pavilion in Blunham.
A 10 km trail run from Marlow Rugby Club with local trails, woodland and Thames towpath, finishing with a medal, a pint cup and a free drink.
June 2027
A Star Wars 50th Anniversary weekend on 5 and 6 June 2027 at Caldecotte, Milton Keynes featuring marathon and half marathon races around Caldecotte Lake, unique finisher medals, on-course water and toilets, and time limits for each race.
A Pretty Muddy 5k obstacle course at Royal Windsor Racecourse on mixed tarmac and grass, with staggered wave starts and age rules for kids and adults.
A muddy 5k obstacle course at Willen Lake with climbs, crawls and slides, staggered wave starts and a minimum fundraising target for participants aged 13 and over.
Two trail routes of 55 km and 25 km follow parts of the Capital Ring, finishing at Richmond Green with signed trails, feed stations and event support.
A point-to-point trail event through the Hertfordshire AONB offering marathon, half and 10 km distances open to both runners and cyclists with separate results and medals.
Trail races at Wendover Woods on 6 June 2027 offering Half Marathon, 10k, 5k and a Junior Run on hilly forest trails with onsite facilities for spectators.
10K or two lap half marathon through Richmond Park's grasslands and tree lined avenues, with chipped timing, plastic free aid stations, and recycled finisher medals.
A 7 km fell race around Coombe Hill in Wendover with 220 m of climb, BS Category, and entry that includes a free pint at the Shoulder of Mutton.
Races at Wimbledon Common include a half marathon plus 10K and 5K with chip timing, finisher medal and race day facilities.
Urban 100 km ultramarathon in central London with 100 km, 50 km and 25 km routes that pass 100+ city landmarks and include staffed checkpoints.
A muddy 5k obstacle course at Cassiobury Park where participants climb, crawl and slide to raise funds for cancer research.
Timed, lapped run at Mowsbury Park on 13 June 2027 with distances from 5 km to ultra, a 5.3 km lap and a seven hour limit.
A 24 hour run at Caldecotte Lake where individuals or teams of 2 to 6 complete 6.55 mile laps with camping, showers, food and event prizes.
A 21.2 km trail half marathon on the National Trust’s Dunstable Downs with hilly terrain, two aid stations, a 4 hour limit and fully marked navigation.