Trail Running calendar near Chipping Ongar 2026-2027

A flexible seven hour timed challenge on a signed Thames-side loop near Egham, with options from 3 km up to 50 km. Finishers receive a medal and goody bag and aid stations are provided each lap.

Two trail ultras—50k and 100k—route through Market Harborough countryside and long-distance footpaths, with GPX files, staffed aid stations, mandatory kit requirements, free guided recces and free race photos; entries carry standard fees an..

Celebrate twenty years of trail sports with a 15 mile run or a 15 km hike through scenic environments. Enjoy a flexible start format and post race rewards in a social pub garden setting.

An off road half marathon on Sunday 16 August 2026 around Henfield, starting and finishing at Henfield Leisure Centre. The course follows riverbank and a disused railway and offers onsite facilities, food and medals for finishers.

A seven hour timed riverside event at Wraysbury Skiff & Punting Club offering lap based distances from 3 km up to 50 km, finishers medals and goody bags, aid stations and distance pins for half marathon and above.

Experience a scenic trail run through Wendover Woods with distances ranging from a junior race to a half marathon. Enjoy gravel paths and views of the Chilterns with chip timing and themed medals for all finishers.

A 52 miles, 7,000 ft route across the South Downs National Park, starting and finishing at Plumpton College and visiting towns such as Lewes and Alfriston. Six checkpoints, on-route support and finisher certification are provided; it is a q..

A ten day running series in Walton on Thames from 22 to 31 August 2026 offering daily themed rubber ducks and ten giant spinning ducky medals, with distances from 5 km to ultra and certified out-and-back routes along the Thames towpath.

Combined half and full marathons run through Richmond Park on 23 August 2026, using a lap route from Sheen Gate that follows the Tamsin Trail with aid stations and finishers receiving a medal, mug and buff.

Trail Trot offers 5K, 10K, marathon and 50K routes across the South Downs from Lancing College, with marked courses, chip timing, aid stations, on-course photography and a free baggage drop.

Experience a scenic run through the historic Richmond Park on this UK Athletics Affiliated course. Choose between a half or full marathon distance following the trails and private roads of London’s largest Royal Park.

A trail run entirely within Richmond Park offering half marathon and marathon distances, a route past the White House and park lakes, and on-course drinks and feed stations.

A self navigation marathon along the Colne Valley Path from Stambourne Village Hall through Great Yeldham to the Cymbeline meadows in Colchester. Aid stations are provided about every 10 km and the event is cupless.

A 10 km trail race on 23 August 2026 using the original predominantly anti-clockwise route. Entries include a limited edition T-shirt; runners must carry a mobile with ICE and wear their race number visibly for time recording.

A last person standing backyard ultra at Gosfield School in Essex where runners repeat *4.167-mile* loops each hour until one runner remains. The event includes camping, showers, a small aid station and a prize for the winner.

A Backyard Ultra at Frylands Wood Scout Outdoor Centre on 29 August 2026 where runners complete four miles each hour until one remains; the event includes medals, a winner trophy, showers, limited parking, rest space and on-site snacks.

An obstacle mud run near Dorking in Surrey on a permanent year-round assault course, featuring muddy trails, water sections and climbing challenges. Distance options include 5 km, 10 km and a 7 km assault course; teams and charity entries a..

Experience a flat trail run through the scenic Alexandra Gardens with stunning views of Windsor Castle. Choose between 10k and half marathon distances with chip timing and free race photos included in a historic UK setting.

Take on the Muntjac 15, a 15 mile trail around Danbury Essex with 1600 ft of climbing across scenic woodland and technical singletrack. Enjoy a well stocked checkpoint, a quality memento and bespoke local trophies.

A trail and rural road event around Woldingham, offering a 13.1 mile lap used once for the half and twice for the full marathon, with sections on the North Downs Way and Vanguard Way and a finish at Woldingham School.