Trail Running calendar near Writtle 2026-2027

A volunteer-run running event in Willingham, Cambridgeshire with chip timing on flat country roads, footpaths and bridleways. Distances include 10 km and 6.5 km and children's races follow the main events.

A 21.1 km off road trail race on 5 July 2026 along The Ridgeway between Wendover and Princes Risborough, with fully marked navigation, two aid station visits and a 4 hour limit.

The The Bishop's Stortford Mitre 10k will take place in Much Hadham on Sunday 5 July 2026. You can run between 5 and 10 kilometers.

Two off road races around Bewl Water on 5 July 2026: a 15 mile full round route including the nature reserve and a 5 mile out and back. Organised by Wadhurst Runners with on course marshals, post race cake and beer, and fundraising for KSSA..

Women-only trail running near Denbies Vineyard in Surrey offering 50 km, 25 km, 10 km and a 1 km kids loop. Routes are signed and supported with multiple aid stations and maps plus GPX files available.

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.

A riverside running event on Sunday 5 July 2026 offering 10 mile, 10k and children's races between Hertford and Ware, with proceeds donated to the Essex & Herts Air Ambulance and T-shirts and medals for adult finishers.

A 5k obstacle course at Fairlands Valley Park where participants aged 13 and over climb, crawl and slide through muddy challenges while fundraising for Cancer Research UK. The mixed grass and paved course includes staggered wave starts and..

Oaks Trail at Rivenhall Oaks golf centre on 05 Jul 2026 offers two unmarked routes of about 6.5 or 3.5 miles, with entry fees split by England Athletics affiliation and proceeds donated to Essex and Herts Air Ambulance Trust.

Community trail run in Epping Forest organised by Muslim Runners at Butlers Retreat. Pace groups cover about 3 km and 6.5 km and there is a 30 minute walking group, with bag drop and coffee after the run.

A flat 10 km trail run through the 325 hectare Thursley National Nature Reserve, featuring a recognised boardwalk and abundant wildlife. Suited to newcomers to trail running and runners seeking a social evening run.

A multi-terrain 5km in Fermyn Woods Country Park on Wednesday 8th July, part of the Northants 5K Series. Limited parking, bespoke finishers medals and a virtual completion option are available; entries close 23:59 on Tuesday 7th July.

An off‑road two-lap race through Hainault Forest organised by Ilford Athletic Club on 8 July 2026, supporting St. Francis Hospice and forming Leg 5 of the Elvis Grand Prix.

A measured off road 5K held as Race 4 of the Crown to Crown 2026 series at Westley Heights Country Park on 8 July. The course uses bridleways and some tarmac, with TRA licensing and on course marshals and first aid.

The Phoenix Running - Slough will take place in Slough on Thursday 9 July 2026. You can run 5 miles.

A 10 km off road trail race at Trifarm in Boreham, the first event in the 2026 Trifarm trail series. The route is mostly on public footpaths and bridleways, runs anticlockwise, and has a tail walker but no water stations.

A 7 hour timed event on a signed loop along the River Thames in Egham, with flexible self-directed distances from 3 km up to ultra and 50 km options. Finishers receive medals, goody bags and distance pins for longer distances.

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.

A roughly five mile off road trail run at High Lodge Thetford Forest with chipped timing and a finishers medal. Entries are non refundable but transfers to another runner are allowed until 06/07/2026.

A 24-hour multi-terrain relay or solo race near RM13 with teams of 2 to 8, repeated 5.75 mile laps, free camping and on-site catering, showers and first aid. Entry fees are published from £89 to £110.