Trail Running calendar near Seaford 2026-2027

We have found 417 Trailruns within 80 miles of Seaford. See below where and when you can find the races.

A community trail run hosted by Muslim Runners in Epping Forest on July 5, 2026. Multiple pace groups and a 30 minute walking option, with bag drop and coffee afterwards at Butlers Retreat.

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.

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 run at Trifarm near Boreham on 25 June 2026, run mostly on public footpaths and bridleways. The route is anticlockwise, finishes with a lap around the lake, and offers on-site parking and on-registration water.

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 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.

A family friendly inflatable obstacle run in Southampton on Saturday 11th July 2026, offering 2.5k, 5k, 10k and 15k options with giant inflatables, five music zones, a finisher's medal and on-site food and water stations.

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.

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 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 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.

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 weekend trail running festival at Mill Farm, Lurgashall, featuring 50 km, marathon, 16 mi, 12 km and a 2 km LittleFeet run, with camping, glamping, on-site village activities and stocked aid stations including PH1000 electrolyte.

An evening trail event at Wendover Woods on 18 July 2026 supporting the Chilterns Neuro Centre, with 10K, 5K and a 1.5K accessible loop. Routes are fully marked and marshalled and the event is licensed by the Trail Running Association.

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