Trail Running calendar near London 2026-2027

A scenic trail half marathon in Seaford on 19 April 2026 that links the seafront with the South Downs and features undulating terrain and climbs. Surplus funds support local charities and entrants receive a medal, water stations and finish..

A charity off road trail run in Findon on 19 April 2026 offering 10 km, canicross, 5 mile and a 2 km kids race. The course climbs to Cissbury Ring then follows Monarchs Way to Nepcote Green and finishes at Wattle House.

Timed lap event at Buchan Country Park on 19 April 2026 with 5.3 km laps to create distances from 5 km up to ultra within a 7 hour limit. Runners may choose one of twelve medals or a lower cost no medal entry.

Experience a unique trail half marathon through the LodeStar festival fields. This off road race features chip timing and water stations while raising vital funds for local charity.

A community running event on 19 April 2026 in the Chiltern Hills with timed 5km and 10km races plus a children's Run in Colour. Routes use mixed terrain and include access to the Wormsley Estate with facilities at Ibstone Common.

A self navigation trail race of about 6.2 miles at Mountfitchet Castle on 19 Apr 2026, for runners aged 16 and over; entries include a £4 tea room voucher and results are published on the organiser’s website.

A multi-distance riverside series based at Streatley with 250, 150 and 100 mile options. Runners navigate with provided maps and GPX, use GPS tracking and reach checkpoints under strict cutoff times while carrying compulsory safety kit.

A limited capacity evening trail run of 5 miles for over 18s with the course run in reverse from previous years. Route files are provided beforehand and finishers can exchange their race number at the bar for a drink.

An inflatable 5K obstacle course in St Albans on Saturday 25 April 2026, featuring a series of inflatable obstacles along a 5K route; recent booking figures and participant feedback indicate active interest.

Run your own marathon on The Itchen Way in Winchester. This flexible 7-hour event lets you decide your distance on the day, from a short lap to an ultra, with medals for all finishers. Start any time before 1 PM and enjoy a stocked aid stat..

A community running event in Hadleigh on 25 Apr 2026 with approximate 9.5-mile and 4.5-mile courses, staggered starts, and fundraising for the Shelley Centre for Therapeutic Riding.

A monthly urban trail run from Hampstead Heath with 15 km and 8 km options that traverse Primrose Hill, Regent's Park and Hyde Park, finishing at the Klättermusen store for coffee and pastries.

A 15 mile trail run from the beer garden of the Ye Olde Smugglers Inne in Alfriston with two pub checkpoints offering a drink and snack; route GPX and a race narrative are provided and results appear within 24 hours.

A multi-distance road event at Suffolk Running Centre on 26 April 2026 offering 5k, 10k, half and full marathon options; the marathon uses the officially measured Kirtling Route, aid stations appear every 10k and parking is included.

A blindfolded navigation challenge from an event centre in Winchester where participants are taken to an unknown location and must find their own way back on foot. Options include a non local 6 mile challenge and 10 or 15 mile routes measur..

Trail runs through Angmering Park Estate in Patching on 26 April 2026, with 10-mile and 10 km courses amid bluebells. Canicross entries are available for a small supplement and the finish is at The Worlds End Pub.

Bolt Round the Holt is a forest trail race at Alice Holt Forest on 26 April 2026 offering Half Marathon, 10k, 5k and a Junior Run while raising funds for GUTS to support bowel cancer detection and care.

Join NOT the London Marathon Run 2026 on Sunday 26 April in Walton on Thames for a flat, certified lap course along the riverside towpath. Choose marathon, half or a 7 hour timed challenge, enjoy flexible starts and a commemorative medal.

A spring, group-led trail run of around **10 km** through bluebell woods near Tring in the Chiltern Hills, with Run Leaders, trail-running tips, bag storage and nearby cafes. Dog friendly with cani-cross equipment.

Trail event in the South Downs offering 28 miles and 18 miles routes with 4000 plus ft or 2800 plus ft ascent. Routes pass Seven Sisters, Cuckmere Haven and downland villages and are open to walkers and runners.