Trail Running calendar near Henley-on-Thames 2026-2027

Trail races at Mapledurham Estate offering 10K, 10 Mile and Half Marathon routes over muddy paths and woodland, with on-course water, finish refreshments and race amenities included.

A trail running event on 29 November 2026 at Charborough Estate through dense Bere Wood, with 10 km, 21 km and a two person relay across technical, marked trails. Facilities include one aid station, toilets and medical support.

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.

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 surrounding woodlands, mostly forest paths with undulating terrain and three aid stations. The course is fully marked and trail running shoes are recommended.

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.

Two coastal races from Hengistbury Head along Bournemouth seafront and Boscombe Pier. Largely flat, traffic free routes with chip timing, water stations and a finisher medal.

Trail races of 10K, half marathon, marathon and ultra run from Swanage along the Jurassic Coast Path on 5 Dec 2026, with mixed trail and grass terrain and significant ascent. The event counts toward the Endurancelife 26-27 season leaderboar..

Three single-loop ultra races of 50k, 55 miles and 100 miles start and finish in Eastbourne, crossing the Seven Sisters and running toward Plumpton. Courses use grass trails, farm tracks and woodland paths on the South Downs.

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 winter trail running festival at Holmesly Campsite in the New Forest on 6 December 2026, offering 15 km, 30 km, marathon and 50 km one lap off‑road courses with marked routes, bag drop and mandatory kit requirements.

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.

Seasonal trail runs at Moors Valley Country Park featuring a 2 km Santa fun run for children plus 5 km and 10 km trail races, entries from £12.

A 10 km trail championship at Wendover Woods on 6 December 2026 for runners who qualify via top 20 percent finishes at Runaway events and for volunteers. The marked course includes about 295m of ascent.

A 12-day consecutive running challenge at Pengethley Manor, Ross-on-Wye, with daily choices from 5k to ultra on a 2.5 km lap offroad course. Each day has a unique medal and there are in-person and virtual entry options.