Trail Running calendar near Farnham 2025-2026

We have found 335 Trailruns within 80 miles of Farnham. See below where and when you can find the races.

The Summer GMU (Green Man Ultra) is a Bristol-area ultramarathon offering two distances: 45 miles (GMU45) and 30 miles (GMU30). Both races use the same clockwise course along the Community Forest Path, starting and finishing at Ashton Park School for GMU45, and starting at The White Horse in Hambroo..

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. Entry fees range from about £78 to £90, with discounted rates for members of clubs affiliated to EA..

The Windsor Trail Run takes place on Sunday 30 August 2026 at Alexandra Gardens, Alma Road, Windsor SL4 3HU. The event offers two race distances and was booked 119 times in the last month. 10K - £30; elevation 29 m; trail, flat Half Marathon - £34; elevation 58 m; trail, flat Group booking and T-..

September 2026

The Henley River event takes place on Saturday 5 September 2026 at Temple Island Meadows / Remenham Farm, Remenham Lane, Henley-on-Thames RG9 3DB. It is organised by RunThrough and supports Royal Berks Charity. Races available are: Half Marathon 10K Junior Race (under 11) Entry options include st..

Silent Pool 10km is a guided trail run hosted by Running Adventures, starting and finishing at Silent Pool Car Park in Albury, near Guildford. The 10km route winds along North Downs Way sections and through Netley Heath forest, finishing in the village of Shere where film locations from The Holiday..

Bewl Water Autumn is Hermes Running’s scenic bi-annual trail race around Bewl Water in Kent, starting near the Bewl Water Visitor Centre in Lamberhurst. Races are offered at four distances: 10km, half marathon (13.1 miles), marathon (26.5 miles), and Ultra 50km (31.25 miles). The route follows the B..

Jurassic Coast Ultra Run is a 30-mile, largely coastal and hilly trail ultra starting and finishing at Knoll Beach, Studland Bay, Dorset. Guided by an experienced ultra runner and coach, the route traverses inland along Purbeck Way to Corfe Castle, climbs to ridge panoramas, then descends to Kimmeri..

The Farnham Pilgrim Marathon is a full marathon event held at The Sands Recreation Ground, opposite The Barley Mow Pub, Littleworth Road, Farnham, Surrey GU10. The listing highlights spectacular views, emphasizing the scenic nature of the race in the Surrey Hills. Entry is £40, with a cap of 1,000 p..

The Bradenham Blast takes place on Sunday 20th September 2026 and offers three trail distances: 5km 10km Half Marathon (21.1km) Routes run through beech woodland and across the Bradenham Estate in the Chiltern Hills, which is an arable nature reserve. The course is hilly: the half marathon has si..

October 2026

The South Downs 100 mile (Autumn Event) is a challenging single-loop trail race held in the scenic South Downs National Park, starting at Plumpton Racecourse in Lewes, East Sussex. Covering 100 miles with over 12,000 feet of elevation, the course features rolling hills and stunning views, supported..

Starting and finishing at St Martha's, Guildford, the North Downs Way Ultra Run is a 30-mile trail journey through the Surrey Hills. The route highlights the best sections of the North Downs Way, including Box Hill and Denbies Wine Estate, with sweeping downs views before looping back to Guildford v..

November 2026

The Windsor Trail Run takes place on Sunday 8 November 2026 at Alexandra Gardens, Windsor SL4. The event offers a trail half marathon and a 10K on mainly flat, off-road trails in royal Berkshire. Routes start and finish from Alexandra Gardens and pass through parkland with seasonal scenery. Distan..

Devil's Punchbowl 10km is a guided evening trail run around the Devil's Punchbowl in Hindhead, Surrey. The 10km route takes in scenic trails and rolling hills, with a short pause at the top to enjoy the views. It’s not a race—the group runs together at a comfortable pace around 6 min per km.Sunset r..

Serpent Trail Ultra Run is a 30-mile guided trail run starting and finishing in Haslemere, Surrey. Run by Running Adventures, the route showcases the Serpent Trail and the Sussex Border Path, including a visit to the Temple of the Winds lookout with views across the South Downs. The course winds thr..

December 2026

Box Hill Vertical KM is a guided trail run organized by Running Adventures near Box Hill, Dorking, Surrey. The route covers about 12.5 miles and is designed to deliver roughly 1000 metres of elevation in a compact distance, with no hill-repeats. Runners traverse woodland, heathland, and open fields,..