Trail Running calendar near Grantchester 2025-2026

Event details This is a guided trail half marathon in the Surrey Hills that starts and finishes in Guildford. The meeting point is St Martha's Hill in Guildford, Surrey. The event runs on several dates: 30 November 2025, 21 March 2026, and..

Event overview The Windsor Trail Run takes place on Sunday 22nd March 2026 at Alexandra Gardens, Alma Road, Windsor SL4 3HU. The event offers trail running on a flat course with views that include Windsor Castle. The route maps cover a Half..

Event overview Petzl Night Trails 10K at Salcey Forest takes place on Tuesday, 24 March 2026. The event is a trail 10k, run as a two-lap, marked course. A head or chest torch is required to take part. Petzl will attend with demo head torche..

Join a guided 10 km trail run across atmospheric Hankley Common, passing the Lion's Mouth and film locations. Runs come at sunset or as headtorch night runs and focus on group enjoyment rather than racing.

Elephant Challenge : event overview The Elephant Challenge is a six-hour off-road event organised by Big Bear Events on 24/03/2026. Participants complete as many laps of a 3.5-mile loop as they wish within the six-hour time limit. A maratho..

Elephant Challenge takes place at Salcey Forest, a Forestry England site near Northampton (NN7 2HX). This 6-hour, multi-lap event centers on a 3.5-mile off-road loop through the forest, allowing participants to choose distance—from 3 laps f..

Run the Wild Half Marathon - Chiltern Hills The Run the Wild Half Marathon is a guided trail event based in the Chiltern Hills, starting from The Home Office in Tring. The route covers around 13 miles (about 21 km) with approximately 300 m..

Event Fortitude Ultra - Pippingford is a timed ultra event at Pippingford Park, Uckfield, TN22 3HW. The next race is on 28/03/2026. The event format is described as "10 Hrs : 10 Laps : You-vs-You." Participants aim to complete ten..

Test your endurance at the Zig Zag Challenge, a 4 or 6 hour timed trail on a 5.3 km forest lap at Brandon Country Park. Run as many laps as you like to score distances from 5 km up to ultra and earn a bespoke finisher medal.

Saturn's 7 Hour Time Challenge at Wraysbury Skiff & Punting Club (Wraysbury, TW20) is an inclusive, self-paced race along the River Thames. Entrants choose a distance from a 3 km lap, with full laps around about 7 km (4.37 miles) or a short..

Tackle the Mortimer 10km on a scenic two lap route through Berkshire woodlands, mainly off road with gentle climbs and varied terrain. Enjoy a dog friendly canicross, local food and a race ale while supporting the Ollie Young Foundation.

Event overview The Rosebud Marathon is a 26.2-mile section of the Rose of the Shires Ultra Marathon through Northamptonshire. The event takes place on Saturday 11 April 2026, with registration and the finish hosted at Brixworth Country Park..

Event details The Henley River Half Marathon, 10K & Junior Race takes place on Saturday 11 April 2026 in Remenham Lane, Henley-on-Thames RG9 3DB. The event is organised by RunThrough UK and is based at Temple Island Meadows, the launch..

Tackle the Rose of the Shires at Brixworth Country Park with a 54 mile ultra, a 26.2 mile Rosebud Marathon or relays. Enjoy varied trails, roads and canal towpath, checkpoint support and live tracking for a rewarding challenge.

Join the Nene Valley Races Kings Cliffe 10k on Sunday 12 April 2026 for a scenic circular trail through Northamptonshire fields, farm tracks and old railway lines. Fully marked with a stocked aid station and eco friendly cup use.

Haughley Festival of Running at Haughley Park in Suffolk on 12 April 2026 invites runners to choose from 5k, 10k, half marathon, marathon and ultra distances. Enjoy mostly pathway routes with woodland sections, secure on site parking and a..

Pick Market Harborough or Northampton as your start and run the traffic free Brampton Valley Way as a 14 mile one way or 28 mile out and back. Mostly flat route, finisher medal and free photos, tunnels need a head torch.

Thoresby Park - Longhorn Trail Event (18 April 2026) The event takes place at Thoresby Park, Newark, NG22 9EP, within an estate of over 1,000 acres that includes a 17th-century mansion, an art collection and wildlife such as wild deer and l..

The Chiltern Ridge Classic 50K is a scenic Ridgeway ultra through the Chiltern Hills, taking in iconic climbs, beech woodlands and wide views. Limited to 400 runners with a 9 hour cut off, it runs from Berkhamsted Castle to Wendover.

Windsor 50 Ultra Challenge The Windsor 50 Ultra Challenge takes place on Saturday 18 April 2026 from a basecamp at Windsor Racecourse. Routes use the Great Park, Runnymede and the Thames Path and return to the racecourse. The 50 km course i..