Trail Running calendar near Great Baddow 2026-2027

A 10 km group trail run across Thursley National Nature Reserve in Surrey, set on mainly flat heathland and boardwalks. Evening and night options include headtorch runs and there may be an alcohol free beer at the end.

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 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.

A 10 km off road trail race at Trifarm in Boreham on 09 July 2026, mostly on public footpaths and bridleways. On-site parking and registration at the entrance, bottled water at registration and a refill tap by the finish.

SATURN Midweek Chasing Numbers on 10 July 2026 is a 7 hour timed challenge along the River Thames with options from 3 km up to 50 km. The event includes aid stations, medals, goody bags and distance pins.

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.

Follow Britains oldest trail through 5000 years of history on the Ridgeway. Choose between 50km or 100km distances and finish at the iconic Avebury Standing Stones with full medical and snack support.

Trail races from 8 km to a 50 km ultra starting at Princes Risborough School, crossing beech woodland, ridgelines and chalk downs. Marked routes include outposts, mandatory kit for longer distances, free parking and nearby rail access.

Three waymarked routes through Mid Suffolk along the River Rat with checkpoints, refreshments and route downloads available; entries are limited and a finishers certificate is issued.

A timed 6, 12 or 24 hour loop event at High Lodge Thetford Forest for solo runners, pairs or teams of up to four. Only full laps count and winners receive trophies while all finishers get a bespoke wooden medal.

Enjoy a flexible timed running event along the flat River Thames towpath. Choose your distance from 5km to an ultra marathon and earn a bespoke spinning medal on this fast riverside course.

A guided 10 km trail run in the Chiltern Hills on 11 July 2026, based at Church Farm Cafe in Aldbury. Run leaders provide technique tips and local history, with on-site parking and a 15 minute walk from the station; dogs allowed with cani c..

A functional fitness race in Peterborough featuring ten Xercises plus running, offered as 400m or 800m formats with Solo, Doubles, and Relay categories. Gender-based weight divisions apply and all entrants must be 18 or older.

A lap based timed run at Mowsbury Park on 11 July 2026 offering distances from 5 km up to ultra with a flexible one hour start window and a choice of medal or lower cost no medal entry. Places are limited to 75.

A Pretty Muddy 5k obstacle course at Abington Park in Northampton, with mixed-path and grass terrain. The event supports Cancer Research UK, has on-site parking and facilities, and requires participants to be at least 13 years old.

A mud obstacle *5k* inside Beckenham Place Park with grass and path terrain, steep sections and timed wave starts. Organised by Cancer Research UK, the event includes on-site facilities, marshal support and a minimum fundraising target.

A muddy 5K obstacle event in Brentwood on 11 July 2026 featuring climbs, water crossings and a 20 foot slide into a lake. Open to ages 13 and over, with a £40 registration fee and a £100 fundraising pledge.