Trail Running calendar near Eastbourne 2026-2027

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.

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 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.

A fun run on an inflatable obstacle course in Southampton on 11 July 2026, with distances from 2.5k to 15k, music zones, on-course water, and a finisher's medal for participants.

The Bainc'trail will take place in Baincthun on Saturday 11 July 2026. You can run between 10 and 31 kilometers.

The La Stellienne will take place in Stella Plage on Saturday 11 July 2026. You can run between 5 and 10 kilometers.

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 muddy 5k obstacle event at Beckenham Place Park with climbing, crawling and sliding on a grassy, undulating course. Waves start every 15 minutes; participants must be 13 or older and fundraising supports Cancer Research UK.

Running Wild 2026 is a muddy 5K obstacle course through Wild Forest near Brentwood on 11 July 2026. Open to ages 13 and over, it includes water features, climbing and a large slide into a lake, with a medal and post race shower.

A 7-mile multi-terrain race through Knole Park with a chip-timed 3.5 km junior run for ages 9 to 15. Profits support The Running Charity and the event includes medals, free photos and prizes for top finishers.

A four-race summer series at Dinton Pastures offering 5 km, 10 km and a 2 km kids event. Off-road, traffic free course with chip timing, medals, marshals and on-site support.

A weekend trail running festival in West Sussex offering 50 km and marathon options plus shorter runs and a 2 km family Flower Trail, with campsite and glamping, marked single-lap courses and stocked aid stations.

A weekend running festival at Blackland Farm on 18–19 July 2026 offering 1-mile lap formats: 24-hour and 12-hour solos, team relays, plus P24 and P12 paced challenges. Off-road course, camping included and limited Bell Tent upgrades.

MacTuffX Brighton at Withdean Stadium on 18 July 2026 combines ten prescribed Xercises with repeated runs in Classic and double distance formats, with solo, doubles and five person relay entries and a LITE weight division option.

Pretty Muddy 5k at Tilgate Park in Crawley is an obstacle course around Tilgate Lake with climbs, crawls and slides. The event raises funds for Cancer Research UK and offers on-site toilets, refreshments and parking.