Trail Running calendar near Sudbury 2026-2027

A hilly multi loop trail event around Holmbury Hill offering a half marathon and a same day 10 mile option, with six drink stations, first aid support, free parking, and a commemorative medal for finishers.

A muddy 5k obstacle event at Hylands Park, Chelmsford on 19 July 2026 featuring climb, crawl and slide elements in staggered waves. Participants must be 13 or older and there is a minimum fundraising target of £50.

A guided *10 km* group trail run at High Lodge in Thetford Forest on 19 July 2026, led at a conversational pace and organised into ability groups. Entry costs £12.50 and parking is charged at £4.

A single day entry in a 10 day series hosted by Zig Zag Running at Suffolk Running Centre, offering distances from 5k to ultra. Day one follows the Denham Flats route with parking included and on course aid at base camp.

Enjoy a 10k trail run through Chelmsford featuring a unique brewery checkpoint. This non competitive event includes mid race and finishers drinks along with a commemorative medal for all participants.

A 7 hour timed riverside challenge near Egham with flexible start options, themed medals from 3 km and goody bags for finishers. The signed course is mainly on paths and tarmac with aid stations each lap.

A Friday running event on a flat 5.3 km out-and-back riverside lap near Walton on Thames offering distances from 5 km to ultra and finishers' medals including spinning Rubber Ducky designs.

A Pretty Muddy 5k obstacle event at Priory Park in Bedford where participants climb, crawl and slide around a grass and tarmac course in staggered waves. The event has a minimum fundraising target of £50 and separate adult and child entry f..

City to Sea 2026 is a two-day running event in London on 25 and 26 July 2026 featuring an ultra marathon for individual age group entries. The start is at Station Approach SE1 8SW and the listed entry fee is USD 120.

Bright Skies Surrey Hills is a daytime trail event at Denbies Wine Estate with marathon, half marathon, 10K and children's races. The marathon features a self navigation first half with checkpoints and a fully marked second half.

Flat trail races at Summerleaze Park on 26 July 2026, offering 5K, 10K and a Half Marathon with marked routes, marshals, chip timing and post-race goodies.

A *7.5 km* trail loop around Westfield with over 80% off road terrain. Limited to 60 entrants, the event features a marked and marshalled course, prizes for first male and first female, and hall facilities including tea and cake.

A looped trail event from Guildford across the North Downs in Surrey offering 50 km, 25 km and 10 km options with covered rest stops, GPS tracking, medical support, camping and shuttle transfers, plus a finishers medal and t shirt.

MacTuffX London at Finsbury Park on 1 August 2026 combines ten Xercises with repeated runs in two distance formats. Solo, doubles and five-person relay entries are offered, with a LITE weight division and an 18 plus age requirement.

Third race of the Forest Five mile series on 1 August 2026, held as Orion Harriers' ELVIS fixture. The event awards individual and team trophies and offers a discounted series rate with age-category aggregate prizes.

A trail marathon and half marathon on part of the Vanguard Way national trail on Sunday 2 August 2026, featuring varied parkland and North Downs terrain, course maps, photos and published results.

A timed Friday run on a 5.3 km out and back towpath loop along the River Thames. The event is promoted as a ten pound charity entry for Rays of Sunshine and includes a double sided finisher medal.

A 47 mile point to point ultramarathon along the Thames from Henley to Kingston, with three checkpoints offering food and drink, mandatory navigation kit and a required average pace to remain in the race.

A 12 hour multi terrain lap event at Riverside Park, St Neots, held alongside two triathlons as part of a festival. Entries are Solo, Pair or Teams of 3 to 6; awards, medals, family activities and camping are provided.

Point to point trail ultras along the Stour Valley Path in Constable Country on 8 August 2026. The SVP100 covers about 102 km and the SVP50 is a shorter trail option; both offer medals, t shirts and UTMB Index points.