Trail Running calendar near Letchworth Garden City 2025-2026

We have found 359 Trailruns within 80 miles of Letchworth Garden City. See below where and when you can find the races.

The Winter Wanderlust 50km is an exhilarating ultra-trail race set against the stunning winter landscape of Kent. Participants will embark on a scenic journey from Detling to Wye, traversing the North Downs Way, with a mix of challenging climbs and breathtaking views. The event features well-stocked..

The Die Hard Christmas Marathon and Half Marathon is a festive running event taking place on December 24, 2025, at Caldecotte Lake in Milton Keynes. Participants can choose between a full marathon, consisting of 7.5 scenic laps, or a half marathon with 3.5 laps. The event features a supportive atmos..

The Winter Woolly 10km is a popular trail running event held on December 24th at the picturesque Elstree School in Upper Woolhampton, Berkshire. This multi-terrain race offers participants a scenic experience through the beautiful countryside, featuring lanes, footpaths, trails, and woodlands, with..

January 2026

The Knacker Cracker is renowned as "Britain's toughest 10k," featuring a challenging course that includes significant elevation changes, with a total ascent of 473 meters. The race, set in the scenic surroundings of Box Hill and Denbies Vineyard, offers a unique experience for runners, including a k..

The East Hanningfield Trail Marathon is a unique narrative trail race set in the picturesque village of Danbury. Participants navigate a circular route that is predominantly off-road, covering diverse terrains without marshals or arrows, relying instead on written instructions. The event features th..

Dark Skies Surrey Hills is an exhilarating night trail running event set in the picturesque Surrey Hills, featuring races of 10 miles, 10K, 5K, as well as Canix and children's races for ages 3-11. Participants navigate through enchanting woodlands under the stars, illuminated by headlamps, making fo..

The Country to Capital Ultra Marathon is a renowned 43-mile point-to-point race starting in Wendover and finishing near London's Little Venice canal basin. It marks the opening of the ultra running season and attracts elite runners globally. The course traverses the scenic Buckinghamshire countrysid..

WTF - Where's The Finish? is a timed running event hosted by Zig Zag Running at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. Participants can choose between a 6-hour or 4-hour challenge, running multiple laps of a 5.3 km multi-terrain course featuring gravel footpaths an..

The Zigzag - Windmill Way Wander is a multi-distance running event held at the Suffolk Running Centre in Bury St Edmunds, UK. Scheduled for January 17, 2026, it offers distances of 5k, 10k, half marathon, full marathon, and ultra marathon, all on road routes featuring rolling hills with about 600ft..

The Ashdown Forest 10 & 5 Mile Series is an eco-friendly running event held at Pippingford Park, featuring two races designed to provide an exhilarating experience in a sustainable environment. The series includes a 10-mile and a 5-mile race, both set against the stunning backdrop of Ashdown Forest...

February 2026

The Lavenham 10K Race is a scenic trail event held in the historic village of Lavenham. Participants run along a mixed terrain course that includes footpaths, forest trails, shallow streams, and rural roads, offering a challenging yet enjoyable experience. The race is open to runners of all abilitie..

The Peddars Way Ultra Marathon is a 48-mile race through the historic landscapes of Suffolk and Norfolk, starting at Knettishall Heath Nature Reserve and finishing at Holme-next-the-Sea on the Norfolk Coast. The course follows an ancient Pre-Roman trading route and former Roman road, featuring a mix..

The Pilgrim Challenge is a renowned ultra marathon event held along the scenic North Downs Way in the UK. Participants can choose to run or walk either 66 miles over two days or 33 miles in a single day. The event is designed for both seasoned runners and newcomers, offering a supportive atmosphere..

XTERRA Matterley is an off-road racing event held at the scenic Matterley Basin in Hampshire, United Kingdom. Scheduled for February 14-15, 2026, it offers a variety of race formats including duathlons and trail runs suitable for athletes of all levels. The duathlon races feature distances such as a..

The 'Rayne'ing Medals Anniversary Challenge is a running event celebrating six years of Hare & Tortoise Running, taking place on The Flitch Way in Rayne. Participants can choose from five entry options, including a marathon, 6-hour timed event, 5km, 10km, and half marathon. The course features 5km l..

The St Peters Way Ultra is a challenging 42-mile trail ultramarathon across the historic Essex countryside, starting from Chipping Ongar and finishing at the ancient St Peter-on-the-Wall chapel in Bradwell on Sea. This scenic route follows an ancient 7th-century pilgrimage path, passing historic chu..

March 2026

The Pitsford Water Trail Races, organized by Race Harborough, take place at Brixworth Country Park in Northamptonshire. The event features fully marked and marshaled trail races over 10k and half marathon distances. The scenic courses traverse trails and tracks around Pitsford Water, with the half m..

The Leith Hill Half Marathon is a challenging cross-country race that takes participants from Dorking to the summit of Leith Hill, the highest point in south-eastern England, and back. Spanning 13.1 miles with an elevation gain of 1,800 feet, this event is celebrated for its stunning scenery and sup..

The Hannington Hike will take place in Hannington on Sunday 8 March 2026.

The Centurion Hundred Hills 50km is a scenic trail ultramarathon set in the Chiltern countryside, starting and finishing at historic Stonor Park. The race covers 50 kilometers with approximately 4,000 feet of elevation gain, featuring two 25km loops through picturesque villages, ancient woodland, an..