Trail Running calendar near Newhaven 2026-2027

We have found 399 Trailruns within 80 miles of Newhaven. See below where and when you can find the races.

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.

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Join this community fundraising event featuring chip timed races on traffic free roads through East Hertfordshire. Choose between road races or a children's run while supporting new local sports facilities.

Experience a scenic multi terrain race around Bewl Water with a choice of 15 or 5 mile routes featuring lakeside views and a festive finish with live music and treats.

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.

Enjoy a guided 10km group trail run through the beautiful Thursley National Nature Reserve. This flat course features a famous boardwalk and is led by an experienced guide at a steady social pace.

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.

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.

Test your endurance in this 24 hour multi terrain event through the London area as a solo runner or in teams. Enjoy free camping and full site facilities while completing as many 5.75 mile laps as possible.

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.

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Experience an obstacle course featuring large scale inflatables in Southampton. Participants can choose between three different distances for a unique physical experience on this bouncy course.

Explore the ancient woodlands and chalky ridges of the Chiltern Hills with five trail distances ranging from 8km to a 50km ultra. Enjoy a plastic free racing experience starting from the historic market town of Princes Risborough.

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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.

Join a guided 10km trail running adventure through the scenic Chiltern Hills. Led by experienced guides, this morning run includes trail techniques and local history with a finish at a local farm cafe.

Experience a hilly seven mile trail race or a free junior run through the landscapes of Knole Park in Kent. Enjoy a community atmosphere with bespoke medals and proceeds supporting The Running Charity.

Experience a summer trail running festival in the heart of the Surrey Hills. Choose from five distances ranging from 2km to 50km and enjoy a weekend of camping, yoga, and live music at Mill Farm.

Evening trail running at Wendover Woods on 18 July 2026 supporting the Chilterns Neuro Centre. Options include 10K 5K and an accessible 1.5K loop on fully marked woodland trails.

Experience a unique festival of running at Blackland Farm with 12 and 24 hour solo endurance challenges. Explore a scenic 1 mile off road loop featuring woodland trails and inclusive camping for a complete weekend experience.