Trail Running calendar near Watford 2026-2027

We have found 570 Trailruns within 80 miles of Watford. See below where and when you can find the races.

Forest Five Series Race 2 is a one mile forest race on 04 July 2026, part of a three race series started in 2009 to fund the Orion Harriers clubhouse. The event includes age category and team trophies.

A 5k muddy obstacle course at Kempton Park Racecourse on 04 July 2026 featuring climb, crawl and slide obstacles. Entry fees and a minimum fundraising target apply; facilities include parking, toilets and on-site accessibility support.

A 5k obstacle event at Mote Park on 4 July 2026 featuring climbs, crawls and slides around the lake. The event has a £50 fundraising minimum and is not suitable for wheelchair users or pushchairs.

Experience a chip timed multi terrain race through the picturesque country roads and bridleways of Willingham. Choose between 10km and 4 mile routes followed by fun races for children at the local recreation ground.

A 21.1 km off road half marathon along The Ridgeway in Buckinghamshire between Wendover and Princes Risborough. The hilly, fully marked course has two on route aid stations, a 4 hour time limit and a 350 runner field on 5 July 2026.

Community road races of 10 km, 5 km and a 1 km youth race at Jobbers Wood near Much Hadham on 5 July 2026. Organised by The Bishop's Stortford High School as a fundraiser with chip timing, finisher T shirts and age group trophies.

Two trail races around Bewl Water in East Sussex: a 15 mile route that includes the nature reserve and a 5 mile off road option. Organised by Wadhurst Runners, finishers receive a medal, t shirt, cake and beer.

A women only trail event at Denbies Wine Estate in Surrey on 5 July 2026 offering 50K, 25K, 10K and a kids race. No cut offs and options for in person or virtual participation, with profits supporting the SheRACES mission.

A six hour endurance run on a scenic 5k loop at Marston Lodge in Marston Trussell. Fully chip timed with solo, pair, and team entry options so runners complete as many laps as they can in six hours.

Ware Festival of Running on Sunday 5 July 2026 features a 10 mile, a 10k and children's races along the River Lee Navigation. All proceeds support the Essex and Herts Air Ambulance.

A Pretty Muddy 5k obstacle event at Fairlands Valley Park with mixed terrain, staggered wave starts and on-site facilities. Participants must be 13 or older and receive event support plus a finisher medal.

A guided 10 km group trail run across the 325-hectare Thursley National Nature Reserve in Surrey, on largely flat heathland and a boardwalk. Entry is £16 per person and parking is available.

Part of the Northants 5K Series, Race 4 runs in Fermyn Woods Country Park on Wednesday 8 July 2026 over multi terrain through an ancient woodland. Finishers receive a bespoke 5K medal and a virtual entry option is available.

A 6-hour timed run along the flat Jubilee River in Slough on July 9, 2026. Participants complete laps of 5.24 miles, choosing their own distance. Every finisher gets a medal.

An evening trail 10 km through Coombe Abbey Park in Coventry featuring two laps of woodland and meadow with four water station visits. Biodegradable cups will be available and entry uses tiered pricing with an unaffiliated surcharge.

A six hour lap event at Coombe Abbey Park with 3.3 mile laps through woodland, meadow and stone paths. Participants choose how many laps to complete and can take a medal or a tree token that plants a tree.

Enjoy a flexible midweek 7 hour time challenge along the scenic River Thames. Run any distance from 3km to an ultra marathon on a flat signed course with a great aid station and finishers medal.

Phoenix Fridays offers a flexible Friday run with a "rock up and go" start. Choose your distance on a flat, timed 5.3km loop along the Thames towpath. All finishers can pick from a selection of signature medals.

Experience a varied multi terrain race through the woods and fields of Wiltshire. Runners can choose between a 6 mile course and a 2 km junior race with local refreshments provided at the finish.

A 24 hour multi terrain relay or solo race near Romford where competitors run repeated 5.75 mile laps in teams of two to eight, with one runner on course per team; camping and event services are available on site.

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