Trail Running calendar near Welwyn 2025-2026

North Downs 50 Ultra Challenge takes place on the North Downs in Surrey, starting and finishing at Loseley Park, Guildford, with 25 km and 10 km options. The 50 km loop uses the North Downs Way through Surrey hills, offering scenery and views southward with easy access from London. Participants walk..

The MTC Thames Challenge is a four-day multiday ultra running event scheduled for 6-9 August 2026. The full route follows the Thames Path from the river source in the Cotswolds to the Thames Barrier, a total of 184 miles. The event is split into four stages, each run as its own ultra race: 57 mile..

The MTC Cotswold Ultra takes place on 6 August 2026. The race distance is 57 miles with approximately 370 m ascent and 474 m descent. The event starts at Kemble Station and finishes at Travelodge Oxford Abingdon Road. Entry is advertised at £90 for an individual solo entry; deposits and payments ar..

The MTC Oxford Ultra is a point-to-point ultramarathon held on 7 August 2026. The course distance is 49 miles with total ascent of 293 m and total descent of 328 m. The race starts at Travelodge, Abingdon Road, Oxford, and finishes at the Catherine Wheel, Hart Street, Henley-on-Thames. Individual e..

The MTC Windsor Ultra is a point-to-point ultramarathon of 47 miles held on 8 August 2026. The route has a total ascent of 155 m and total descent of 182 m. Entry for an individual is listed at £90. All finishers receive a bespoke Windsor Ultra medal and one of a bespoke technical t-shirt, mug or h..

ATW Odyssey12 is a multi-terrain running event held at Riverside Park, Regatta Meadow in St Neots, Cambridgeshire (PE19 7AB). It forms part of the ATW First to Full Triathlon Festival, with three events — Odyssey12, Odyssey Triathlon, and St Neots Triathlon (Race 2) — running side by side. Runners c..

SVP100 is a point-to-point ultramarathon along the Stour Valley Path from Newmarket in Suffolk to Brantham near Manningtree in Essex. The 102 km (63 miles) route is mainly trail (about 95%) with a modest elevation gain and loss (roughly +912m, -957m). Runners pass through the Constable Country lands..

The North Downs Way 100 is a 103-mile continuous trail race along the North Downs Way, from Farnham in Surrey to Ashford in Kent. It aims to finish in under 30 hours, with an 11,000-foot total ascent and a 30-hour cut-off. The course follows the North Downs Way with two deviations around the 50-mile..

Ramsbury Gold 10km is a multi-terrain running event held near Ramsbury in Wiltshire. The race starts and finishes at Ramsbury Brewery, Stockclose Farm, Aldbourne, within the Ramsbury Estate countryside. Participants can choose the standard 10km or a Canicross 10km option, both on a scenic Wiltshire..

The Foxton Hound Ultra is an ultra-distance trail event around Market Harborough. It offers two distances: 50k 100k The race is licensed by the TRA and held under UKA rules. Race headquarters, start and finish are at Winwick Hall, Winwick, Northamptonshire. Prizes are awarded to the top three mal..

The Black Bull 15 is a charity trail run held near the Black Bull pub in Chelmsford. It offers two distances: a 15-mile trail route and a 15km option for shorter, faster runs, jogs or walks. The course uses varied trail surfaces through parkland and countryside, with a narrative route and Strava-bas..

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-..

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..

The Summer Boudicca Way 50km Ultra is a beginner-friendly ultramarathon in Norfolk, following the Boudicca Way from Diss to Norwich. Organised by Boghopper Races Ltd, the 50km route runs through villages such as Pulham Market, Fritton, Saxlingham, Stoke Holy Cross and Caistor St. Edmund along the ol..

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..

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 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..