Trail Running calendar near Seaford 2026-2027

We have found 415 Trailruns within 80 miles of Seaford. See below where and when you can find the races.

A half marathon and 10 km run at RAF Greenham Common in Thatcham, Berkshire, on a flat traffic free course with water stations and marshals. The event supports New Life Special Care Babies and includes a children race and free parking.

A flexible 6-hour timed run along the flat Jubilee River towpath. Run one 5.24-mile lap or see how many you can complete. The scenic route passes through countryside with views towards Windsor Castle.

A looped trail event from Maidstone in the Kent Downs offering supported 50 km, 25 km and 10 km options with covered rest stops, GPS tracking, camping and shuttle services at the Kent Showground basecamp.

UTMB Index

Experience the iconic trails of Surrey with a choice of three distances through woodland paths and ridgelines. Enjoy a chip timed challenge featuring elevation and scenic views at Box Hill.

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A guided trail half marathon in the Chiltern Hills covering about 21.1 km with roughly 300 m of ascent. Runners are grouped by ability and accompanied by qualified Run Leaders, with a midway refreshment point and a finisher’s medal included..

Fortitude Ultra at Pippingford Park is a 10 hour, 10 lap endurance challenge on roughly 3, 4 and 5 mile loops with up to 215 m elevation per lap. Finishing grade is set by the shortest loop completed and entrants receive a medal and shirt.

Experience an autumn trail run through ancient woodland at the Epping Forest Wildwood Trail Series. Choose between a 10K or Half Marathon course on fully marked paths with a strong focus on sustainability.

Choose a scenic 10k or shorter 5k through the Chiltern Hills around Frieth, combining woodland paths and country roads. Expect rolling climbs and panoramic views for a rewarding, hilly challenge for road and trail runners.

The Titsey Trail 10k is a community running event held on Sunday, 11th October 2026. Organized by runners for runners, it raises funds for a variety of local charities.

The FOOBS Trail and Fun Runs return in October. Choose from a chip timed 10K, 6K, or a family friendly 2K fun run through the countryside near Old Basing. The event supports local schools through community fundraising.

A flat, single lap 10K on 11 October 2026 around the Dengie peninsula with coastal sea wall and countryside sections, finishing at Dengie Hundred Sports Centre. Free parking and changing facilities are available.

Experience a scenic 15 km trail run starting from Tring and traversing the Ashridge Estate. This historic race features the Ridgeway path and provides participants with the choice of a finisher t-shirt or planting a tree.

A 100 mile trail race based at Goring & Streatley on the Thames Path and Ridgeway, run as four 25 mile out and back legs. The event features 16 aid stations, a 28 hour cut off, medical cover and specific qualification and kit requiremen..

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An annual 25 km or 50 km challenge walk, jog or run in the Kent Surrey and Sussex countryside, based at Edenbridge Cricket Club. Entrants get GPX and what3words guidance and food plus checkpoints and professional first aid.

Trail races through Bedgebury National Pinetum offering Half Marathon, 10k and a junior race with route maps, GPX files, a bespoke medal and free photographs.

Beachy Head Marathon Weekend is a multi-distance trail event at Bede's Prep School on 24 October 2026. Races include Ultra, Marathon, Half Marathon and 10k; runners note scenic, hilly routes and strong volunteer support.

A 30 mile out and back along the River Stort and Lee Navigation on mostly flat grassy and gravel trails, with checkpoints every five miles, electronic timing and a finisher medal; trophies for the top three men and women.

Wight Lines is a mixed terrain coastal run at Milford on Sea with views of the Isle of Wight. Runners choose distances from 5K to ultra marathon and complete 5.3 km laps, with on course aid and a finishers medal for one lap or more.

Off-road marathon and half marathon south of Canterbury on scenic trails and country lanes. The Marathon requires navigation and mandatory kit; OpenTracking is available and £1 from each entry supports the Kent Neuro Therapy Centre.

Essex Walker is a countryside walking event from Blackmore Village Hall offering 26 miles and 18 miles courses on footpaths and bridleways via Fryerning, Wyatts Green and Mountnessing. It is part of the Essex and Herts Triple Challenge and..