Trail Running calendar near Seaview 2026-2027

Trail routes from Plumpton Racecourse into the South Downs with three distance options, a tree-lined warm-up, a climb to the South Downs Way and sea views, plus chip timing and finisher medal.

A riverside marathon and half marathon along the River Thames on an accurately measured UKA certified course. Multiple laps on a flat towpath route with medals for all finishers and virtual entries.

Guided 30 mile trail run from Haslemere along the Serpent Trail and Sussex Border Path with varied heathland, woodland and views of the South Downs. Group based pace and advised prior training of 22 miles; cost £45.

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.

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 trail half marathon around Hughenden Manor on mostly forest paths with undulating terrain, waymarking and three aid stations. Entry includes chip timing, a finisher souvenir and on-course nutrition.

A *10 km* trail race around Hughenden Manor near High Wycombe, set on woodland and rural paths with significant climbs and some muddy sections. The course is fully marked, includes a water stop at 5.3 km, chip timing and a finisher souvenir..

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 trail run around Box Hill designed to gain over 1000 metres of elevation in a short distance. It features technical climbs and group pacing with a provided kit list and optional trail shoe testing.

Coastal 10 Mile and 10K runs from Hengistbury Head along Bournemouth seafront and Boscombe Pier, with chip timing, water stations and a finisher's medal. Largely flat, traffic-free routes with coastal views.

Trail races of 10K, half, marathon and ultra run from Swanage along the Jurassic Coast Path on 5 December 2026, on trail and grass terrain with significant ascent; online check-in and mandatory safety briefing are required.

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.

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 festive trail running event at Moors Valley Country Park on 6 December 2026, offering a 2 km fun run for children plus 5 km and 10 km trail races; on-site parking is available for £5 and entry fees range from £12 to £26.

A 10 km trail championship at Wendover Woods on 6 December 2026, open to qualified Runaway Racing finishers, age category winners and volunteers. The route is marked and chip timed with a 200 runner limit.

The Mince Pie 10 will take place in Peacehaven on Sunday 6 December 2026. You can run 10 miles.

Winter Downs 200 is a 200 mile continuous trail run that forms a loop around the South of England on established long distance trails. Runners have up to 96 hours to complete the single stage course and may use crew and three major aid stat..

Join the Christmas Jumper Friday Run on 11 December in Walton on Thames for a relaxed rock up and run along the riverside towpath. Pick 5k to ultra, run laps within a 7 hour window and earn a bespoke finisher medal.