Trail Running calendar near Seaford 2025-2026

Tackle the Chiltern Ridge Classic 50K on 18 April 2026 along a scenic 51K Ridgeway route via Ashridge, Ivinghoe Beacon and Whiteleaf Hill. Limited to 400 runners, this UTMB race delivers big views, full support and a true trail challenge.

Run the Spring Trail Series at Cowdray Estate in Surrey, following the scenic Serpent Trail through greensand hills and woodland. Choose from 12km to 110km, with relaxed cut offs, campsite and on site expo for a friendly well supported day.

Take in Seaford seafront and rolling South Downs on the Martello Half Marathon, an undulating trail course that blends coastal views with countryside. Enjoy water stations, a bespoke medal and free event photos as you race.

Join the Grand National trail run in Findon Village with a 10 km main race, new 5 mile course, a 10 km canicross and a 2 km kids loop at Nepcote Green. This charity event features bespoke medals, free photos and a best dressed jockey prize.

Run the scenic Thames Ring, a multi distance trail loop from Streatley on Thames that follows the river and canals. Choose 100, 150 or 250 mile challenges on riverside paths with GPS tracking and checkpoint support, 22 to 26 April 2026.

Join the Ale Trail, a 15 mile run from the beer garden of Ye Olde Smugglers Inne in Alfriston on 26 April 2026 with pub checkpoints and a finisher's drink. Limited to 50 places, this social trail run includes GPX navigation and a 4 hour 30..

Blindfolded and dropped at an unknown location, The Drop in Winchester challenges solo runners and teams to find their way back over 10 or 15 miles as the crow flies. No maps or GPS allowed, just navigation, grit and a taste for adventure.

Join the 22nd Angmering Bluebell Trail through fragrant bluebell woods at Angmering Park Estate, with 10 km and 10 mile routes to choose from. Canicross welcome and finishers receive bespoke medals and free photos.

Run scenic undulating trails in Alice Holt Forest with options from a junior dash to a half marathon across looped routes. Enjoy a friendly atmosphere while supporting GUTS, raising funds for bowel cancer early detection.

Saturn’s Midweek Chasing Numbers 7-Hour Time Challenge is held at Wraysbury Skiff & Punting Club on the River Thames. The event is designed to be affordable and flexible, inviting all abilities to run or walk within a 7-hour window. Partici..

Experience the Isle of Wight Ultra Challenge from Chale, tracing dramatic coastal cliffs past the Needles, Cowes and Ventnor. Multiple distances, strong support and camping options welcome runners and walkers seeking a scenic big day or two..

Take on the Thames Path 100, a 100 mile point to point run from Richmond to Oxford along the scenic Thames with marked trail, plentiful aid stations and a 30 hour time limit. A classic endurance test for experienced runners.

Join the Greensand Way Ultra Run, a guided 30 miles trail run around Guildford and the North Downs with scenic climbs like Box Hill and Leith Hill. Led by an experienced coach, this group run suits seasoned runners ready for a long day on t..

Three day Mid Sussex Marathon Weekend in early May offers undulating multi terrain races across East Grinstead, Haywards Heath and Burgess Hill. Enter single town races or combine all three to complete the marathon with virtual entries.

Join Run Silchester on 2 May 2026 for 2.5, 5 and 7 mile trail runs around the Roman wall, ancient woodland and a 12th century church. Family friendly festival atmosphere with stalls, music and proceeds supporting local community causes.

Run a scenic woodland course at Culden Faw Estate on 3 May 2026 with solo, pair and team relays plus timed 5K, 10K and the Henley Downhill Time Trial. Expect gentle undulations, a climb before 3 km and a long downhill finish with chip timin..

Take on the Three Forts Challenge across the South Downs with rolling hills and coastal views. Choose marathon, half marathon or 5 mile trail and even bring your dog, with net proceeds supporting local Sussex charities.

Join a guided Box Hill Vertical KM group run near Dorking for a tough 12.5 mile route with about 1000 m of climb through woods, heath and open fields. Enjoy expert guidance, technical terrain and a social finish.

BigWayRound Winchester is a scenic trail run from 14 miles to a 50K ultramarathon across the South Downs and along the River Itchen, with chip timing and self seeded waves. Choose a finisher medal or plant a tree to celebrate your finish.

Enjoy spring trails at Harewood Forest in Hampshire with Muddy Runners, choosing from 5 km or 10 km routes across undulating woodland tracks. A friendly, scenic race perfect for trail newcomers and regulars alike.