Watford
Trail Running Calendar near Watford 2026-2027
Explore the top trail runs near Watford for 2026-2027! We've gathered 194 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
May 2027
A guided 30 km trail run through the Chiltern Hills with technique instruction, checkpoints, refreshments and a finisher's medal near Tring Station.
Two days of Spartan obstacle racing at Culden Faw, Henley-on-Thames, featuring Sprint, Super, Beast and Kids races along a riverside course.
Experience London's energetic Hackney Moves Festival featuring a half marathon on closed roads, a sunset 10K, and a community festival at Hackney Marshes.
A 10th anniversary half marathon and new 10k in Chislehurst that explores local green spaces and raises funds for The Maypole Project.
A 50 km multi terrain ultra in Maidenhead along the Thames Path, Jubilee River and Green Way with chip timing, four aid stations, live tracking and a cut off of 8 hours 57 minutes.
Track event on a 400 metre athletics track offering distances from 5k to 50k plus a six hour challenge at Wodson Park, limited to 100 entrants.
Four-day Zodiac themed lap based running event at Old Warden with 5.3 km laps, distances from 5 km to ultra, a seven hour timed format and a 75 runner limit.
A supported trail challenge from Richmond to Brighton offering distances from 10 km to 100 km with rest stops, GPS tracking, camping, and on route medical support.
Endurance weekend at Hyde Hall Farm on a 5.3 km loop, offering a 100 mile option and multiple timed challenges including 24 hour, 12 hour and 6 hour formats.
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 24 hour relay at Wasing Park, Reading where Solos, Pairs and Teams run an undulating 8 km trail lap with camping and an on-site event village.
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 5k obstacle course at Royal Windsor Racecourse with mud obstacles to climb, crawl and slide, mixed tarmac and grass surfaces, staggered wave starts and a minimum age of 13. Earlybird entry prices and a fundraising target apply.
A 5 km obstacle course at Prospect Park in Reading where participants climb, crawl and slide across grassy slopes and woodland. Waves run every 15 minutes and the event is open to people aged 13 and over.
Two supported trail runs in London: a 55 km ultra and a 25 km route on the Capital Ring with signed routes, feed stations, chip timing and finish refreshments.
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 running event at Wendover Woods featuring a Half Marathon, 10k, new 5k and junior run on hilly forest trails with maps, medals and on-site facilities.