Trail Running calendar near Biddlesden 2026-2027

A guided 30 mile trail run from Haslemere that follows sections of the Serpent Trail and Sussex Border Path, aimed at runners attempting an ultra for the first time. Group pace, varied terrain, cost £55.

Join the Christmas Advent Run on Sunday 29 November in Walton on Thames for a festive riverside run. Tackle timed laps to suit you and enjoy optional medal and chocolate advent calendar plus a prize draw.

A community charity run in Campbell Park, Milton Keynes offering 1.5k, 5k, 10k and half marathon options with chip timing, medals, refreshments and a fancy dress element to support Movember and men's health.

Trail runs of 10 km, 10 mile and half marathon on the Mapledurham Estate featuring muddy paths, woodland trails and finish line mulled wine and mince pies.

A 23 mile clockwise tour around Worcester and Droitwich starting at Gheluvelt Park, mostly on traffic-free paths. Solo and two-person relay options are available, with three on-route control points and a six-hour completion limit.

A guided 10 km group trail run at High Lodge in Thetford Forest run at a conversational pace, suitable for runners moving from road to trail. Entry is £12.50 and parking is charged at £3.

Trail 5K and 10K around the Tewinbury estate in Hertfordshire, fully waymarked with marshals, aid station at 5.3 km and chip timing.

A 21.1 km trail race around Hughenden Manor and nearby woodlands with marked routes, aid stations, chip timing and on-site facilities.

A 10 km trail race around the National Trust's Hughenden Manor near High Wycombe, featuring woodland trails, about 195 m of ascent, full course marking and a water station at 5.3 km. Onsite facilities include parking, toilets and a cafe.

Timed Thames towpath run where participants choose lap distances on a 5.3 km out and back course and entry supports Rays of Sunshine Children's Charity.

A guided 12.5 mile trail run around Box Hill that gains about 1000 metres of elevation across woodland, heathland and open fields. Group pace with technical climbs and scrambling and a chance of an alcohol free beer at the finish.

Trail races at Carsington Water on 5 December 2026 feature a half marathon and a 10k around the reservoir on marked undulating trails with marshals and an event village.

A 14.5 km fell race with 793 m of ascent around Cardington near Church Stretton, partially marked and requiring navigational skills and full FRA kit. Entry is online only with 180 places and parking is limited.

A 50 km trail ultramarathon from Dorking along the Greensand Way through the Surrey Hills, with a 5 mile loop, marked and supported aid stations, electronic timing and a finisher medal.

Part of a 12 Days of Christmas series at Pengethley Manor in Ross on Wye offering 5k, 10k, half marathon, marathon and ultra distances on a tough off road loop. Runners and walkers have seven hours to complete their chosen distance with vir..

A festive trail event at Chasewater Country Park featuring 10k, 5k and a junior run, raising funds for Shelter, with bespoke medals, photos, prizes and onsite parking.

A 10 mile canicross loop at Grafham Water on 6 December 2026, following reservoir paths, woodland and the dam wall. Dog friendly with required harnesses, aid station water bowls and finishers medals plus a dog charm.

Bauble Bimble at Ferry Meadows is a four or six hour multi‑terrain event on a 5.3 km lap, letting runners cover distances from 5k to ultras with an aid station each lap and an event medal.

A festive 5 km off road Santa Dash at Tinkley Gate raising funds for Allsorts. Costumes, dogs on short leads and a 2.5 km one lap option for younger participants make this a family friendly event.

A three hour scored fell race around Alstonefield in the Peak District with route choice, navigation and required FRA kit, part of a four race Peak Raid series.