Trail Running calendar near Chelsfield 2025-2026

We have found 316 Trailruns within 80 miles of Chelsfield. See below where and when you can find the races.

Zig Zag Running hosts the Great Barrow Challenge at the Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX. This 10-day, individual event offers multiple distances — 5k, 10k, half, full and ultra — with Day 1 featuring the Denha..

Great Barrow Challenge - 10 events in 10 days is hosted by Zig Zag Running at the Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX. This exclusive multi-day challenge offers ten daily routes ranging from 5k to ultra distances,..

Join a friendly 7 hour timed run along the Thames at Wraysbury, with flat paved loops suitable for road shoes. Pick distances from a 3 km loop up to marathon and ultra, and enjoy a medal plus goody bag and riverside views.

Run The Rings Marathon or 50K from Shoreham by Sea along riverside trails and the South Downs ridge for sweeping coastal views. Fully marked and chip timed, this scenic challenge offers bespoke medals and a lively finish.

Enjoy a scenic, flat trail run around Maidenhead Commons and Summerleaze Lake on Sunday 26 July 2026. Choose 5K, 10K or half marathon and earn a themed medal with free race photos, chip timed results and a lively event village.

August 2026

Explore the scenic North Downs from Loseley Park basecamp with 10 km, 25 km, 50 km or point to point routes across Surrey hills. Fully supported with regular aid stations, medical cover, GPS tracking and on site camping or rooms.

Run the Vanguard Way Marathon or Half on 2 August 2026 from Croydon along scenic Surrey and Sussex woodlands and ridges. Finishers receive a medal plus a goody bag with a race t shirt and snacks.

Scenic 7 hour timed run along the River Thames on 7 Aug 2026 lets you choose any distance from 3 km to ultra. Finishers get medals and distance pins, with aid stations, cafe and vegan goody bags.

Run from Oxford to Henley along the scenic Thames Path in the MTC Oxford Ultra, a 49 mile point to point ultramarathon on 7 August 2026. Enjoy riverside views, timed checkpoints and a bespoke finisher medal with a choice of tech shirt mug o..

Take on the 47 mile MTC Windsor Ultra along the River Thames from Henley to Kingston. Enjoy riverside views, checkpoint support and a bespoke finisher medal while you tackle this scenic endurance challenge.

Join ATW Odyssey12 at Riverside Park in St Neots for a spirited multi terrain lap run as part of the First to Full Triathlon Festival. Run solo, with a pair, or in a team, enjoy lively spectator zones and earn a unique Odyssey medal.

SVP100 is a point-to-point ultramarathon along the Stour Valley Path from Newmarket in Suffolk to Brantham near Manningtree in Essex. The 102 km (63 miles) route is mainly trail (about 95%) with a modest elevation gain and loss (roughly +91..

UTMB Index

Tackle the North Downs Way 100, a continuous 103 mile trail from Farnham to Ashford across the Surrey and Kent ridgelines with a 30 hour time limit. Limited to 250 starters and a Western States qualifier, it is a classic, scenic ultra.

UTMB Index

Join the Mount Ephraim 10k at Mount Ephraim Gardens, Faversham on 09 August 2026 for an undulating 10k on quiet country lanes with stunning Kent countryside views. Enjoy a bespoke medal, photos and support Oasis Domestic Abuse Services.

Run a scenic multi terrain 10 km through the Ramsbury Estate, starting and finishing at Ramsbury Brewery. Choose standard or canicross entries and celebrate with a medal and a post race beer from the brewery.

Run 100k or 50k around Market Harborough in the Foxton Hound Ultra, with scenic trails through Foxton Locks, Naseby Battlefield and village lanes. Supported aid stations and guided recces make this a classic English ultra challenge.

The Black Bull 15 is a charity trail run held near the Black Bull pub in Chelmsford. It offers two distances: a 15-mile trail route and a 15km option for shorter, faster runs, jogs or walks. The course uses varied trail surfaces through par..

Join the Henfield Half Marathon on 16 August 2026 and start and finish at Henfield Leisure Centre. The scenic off road course follows riverbank and a disused railway with flint paths and stiles, and every finisher gets a medal.

Run the Southampton Running Festival on 16 August 2026 at Southampton Common with 5K, 10K, half marathon and junior races. Scenic laps through woodland, ponds and parkland, plus an event village and a focus on sustainability.

Gosfield Backyard Ultra : event overview Gosfield Backyard Ultra is a last-man-standing running event held at Gosfield School, Halstead Road, Gosfield CO9 1PF, Essex, UK from 29 August 2026 to 31 August 2026. Entry is limited to 100 places...