Trail Running calendar near Stevenage 2025-2026

We have found 346 Trailruns within 80 miles of Stevenage. See below where and when you can find the races.

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 annually on December 24th at Elstree School in Upper Woolhampton, Berkshire. Now in its sixth edition, the race features a scenic multi-terrain course covering 10 kilometers with 80% off-road paths, including lanes, footpaths, trails, wood..

Westfield 7.5km Trail Race, organized by 1066 Trail Races, is a scenic 7.5km off-road loop centered on Westfield Community Hall (TN35 4QL). The mainly off-road course follows the 1066 Country Walk for the first 3km, passing landmarks such as Farbanks Henge sculptures inspired by the Bayeux Tapestry,..

Winter X is a mid-winter trail-running challenge in the Meon Valley, Meonstoke, Hampshire. Runners choose from four distances: 10km, 30km, 50km, or 70km, following public trails including the South Downs Way, with short road connections. The four out-and-back legs start at The Meon Hall, with checkp..

January 2026

The Knacker Cracker is a challenging 10K trail race held annually at Box Hill, Surrey, starting from Denbies Vineyard near Dorking, UK. Known as "Britain's toughest 10k," the course features a demanding route with 473m of ascent and 335m of descent over rough, steep, and often slippery terrain. The..

The East Hanningfield Trail Marathon is a challenging off-road race held around the village of Danbury, starting and finishing at East Hanningfield Village Hall. The 26.2-mile circular course is approximately 95% off-road, featuring diverse terrain and navigated using written instructions rather tha..

Country to Capital Ultra is a 43-mile point-to-point race from the Shoulder of Mutton Pub in Wendover, Buckinghamshire, to The Stowe Centre near Little Venice in London. It opens the ultra season and draws a global field on a mixed course of countryside trails, roads, and a long canal towpath along..

The Fitstuff G3 Series No.1 is a trail running event held at Newlands Corner, Drove Road, Guildford, Surrey. Participants can choose between two distances: 10km and 15km. The event offers a scenic course starting from Newlands Corner, with parking available nearby.Runners can also opt for bundled en..

Dark Skies Surrey Hills is a night-time trail running event at Denbies Wine Estate in Dorking, set in the Surrey Hills. It offers a night-time 10-mile, 10K and 5K races, plus Canix events and 1K/2K kids’ races for 3–11 year-olds. The undulating, muddy courses wind through woodlands beneath the stars..

North Downs Way Ultra Run is a 30-mile guided trail from St Martha’s Hill, Guildford, Surrey, along and back along the North Downs Way, including the famous Box Hill. Organised by Running Adventures, the event is designed as an approachable introduction to ultra running, with the route cared for by..

The Northampton 10K is a well-organized running event held at Northampton Racecourse Park, featuring a 2.2 km start followed by three laps around the racecourse. The course is accurately measured and takes place on pathway terrain, offering water stations and first aid support. Participants receive..

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

The Hankley Common 10km is a guided trail run located at Hankley Common Lower Car Park in Elstead, Surrey. This scenic 10km route offers runners the chance to explore beautiful trails rich in wildlife and historical interest, including the Atlantic Wall replica used for D-Day training. The course fe..

The Windmill Way Wander, organized by Zig Zag Running, is a versatile road running event held at the Suffolk Running Centre in Bury St Edmunds, UK. Participants can choose from multiple distances including 5k, 10k, half marathon, full marathon, and ultra marathon, all following the scenic Windmill W..

Arundel & SDW Winter Trails 2026 is a double gold-rated trail event along the South Downs, finishing in Arundel. Runners choose between a marathon along the South Downs Way from Heyshott to Arundel (featuring river runs, rolling fields, and a Gurkha Suspension bridge) and a 15-mile option that detou..

The Crocodile Challenge is a 6-hour running event held at Ryton Pools Country Park near Coventry in Warwickshire. The course is a runnable, relatively flat 3.3-mile loop around pools and open pasture with crushed stone paths and some minor rises. Participants can complete as many laps as they wish w..

The OMG (One Mile 2 Go) Run, organized by ZigZag Running, takes place at Bawsey Country Park, located on the B1145 between Queen Elizabeth Hospital and Gayton. This trail event offers multiple distance options including 5k, 10k, 15k, Half Marathon, Full Marathon, and Ultra Marathon, catering to both..

Organized by RunThrough UK, Windsor Trail Run takes place at Alexandra Gardens, Windsor, with a backdrop of Windsor Castle. Held on Sunday 25 January 2026, the event offers a flat, scenic trail course suitable for both 10K and Half Marathon distances. Runners enjoy well-marked trails, steady elevati..

Ashdown Forest 10 & 5 Mile Series: Race Two is the second in Nice Work's eco-friendly two-race series held at Pippingford Park Manor, Nutley, East Sussex. The event offers 10-mile and 5-mile trail races on hard-packed paths and forest trails through Ashdown Forest, featuring hilly sections and pictu..

The Longbridge 100 Backyard Ultra is a challenging last-person-standing endurance running event held at Church Farm, Litlington, near Alfriston. Participants run a 4.2-mile loop every hour, starting precisely on the hour, continuing until only one runner remains. The course features a mix of single..