Trail Running calendar near Guildford 2025-2026

We have found 358 Trailruns within 80 miles of Guildford. See below where and when you can find the races.

Take on the London to Brighton Ultra on 23 and 24 May 2026, a scenic 100 km trail from Richmond to Brighton with about 1500 m of climb across the North and South Downs. Shorter distances, one and two day formats and camping are available.

Explore the Surrey countryside at The Fox, a trail running festival offering distances from 20K to 62K that all finish in Godalming. Enjoy scenic singletrack, regular aid stations and a friendly atmosphere on Saturday 23 May 2026.

Tackle the stunning Seven Sisters Half Marathon on the South Downs, a 13.5 mile single loop that crests the iconic cliffs, crosses Beachy Head and winds through Friston Forest. Expect rolling hills, mostly runnable trail and unforgettable c..

Join a scenic 26.2 mile marathon in Richmond Park over three laps of the Tamsin Trail and park perimeter. A 3 mile kids challenge follows, with on course drink stations and medical support for a safe, memorable morning.

Beat The Sunset 50km in Maidenhead is mainly off road, a flat single lap along the Thames Path and Jubilee River for a scenic ultramarathon. Chip timing, live tracking, feed stations and a finisher medal make it welcoming.

Take on the Ridgeway Challenge, a scenic point to point trail run of 86 miles from Ivinghoe Beacon to the Avebury Stones. Test your endurance across rolling chalk ridges and ancient landscapes on 30 May 2026.

UTMB Index

Take on the Three Castles 50 km ultramarathon along the scenic Medway Valley from Rochester to Tonbridge, finishing with a lap of the athletics track. Fully marked course with live timing and stocked aid stations for a memorable riverside c..

The Castle Trails 30km is a scenic point-to-point trail race in Kent, launching in 2026 as part of the Three Castles 50km Ultra weekend. Starting at Little Fant Farm near Maidstone and finishing in Tonbridge, the course follows the River Me..

Run 60 km along the ancient Ridgeway from Ivinghoe Beacon to near Wallingford across chalk ridgelines and rolling downs. With 1000 m ascent, a 10 hour limit and UTMB World Series status, this scenic ultramarathon tests endurance and pace.

Run the scenic Southampton Common, winding through woodland, ponds and parkland with half marathon, 10K, 5K and junior races. Enjoy marshalled routes, a lively event village with food and partner stalls and optional event T shirt.

June 2026

Join a guided Surrey Hills half marathon around Guildford, following sections of the North Downs Way and passing St Martha's Church and Shere. This relaxed group run is guided rather than raced, with evening midsummer dates available.

Event overview The event takes place on Friday, 05 June 2026 as a 7 hour timed challenge. Participants may run any distance they choose within the time limit. The minimum distance to be an official finisher is 3 km. The normal lap length is..

The Sundowner Marathon is a unique running event held in Purleigh, Chelmsford, England, featuring a scenic course that passes along canals, over waterfalls, through vineyards, woodlands, and coastal saltmarshes. This marathon offers a disti..

Run through two lit railway tunnels beneath Bath on routes from short fun runs to ultra distances. Starts and finishes at family friendly Brickfields Park and each entry supports Sustrans, making it a memorable community day out.

Explore the Purbeck coast with BigSea Trails WATER, a single lap trail that starts on Knoll Beach and takes in Corfe Castle, Kimmeridge Bay and Old Harry Rocks. Expect rugged coastal scenery and varied terrain for a memorable day on the tra..

Run along the shoreline from Bournemouth Pier toward Boscombe on sand and over groynes, choosing 5K or 10K routes with lovely sea views. Great for all abilities, with marshalled support and a relaxed coastal vibe.

Join Chase The Sun at Clapham Common on 10 June 2026 for an evening 5K or 10K on a flat, scenic park course past the bandstand. Expect chip timing, free photos and a unique themed medal to celebrate your finish.

Tackle 100 miles of rolling chalk ridgeline in the iconic South Downs Way 100 on 13 June 2026, starting at Matterley Bowl. Fully marked route, stunning coastal and countryside views, and full aid support make this a classic ultra challenge.

Take on a stunning 50km trail ultramarathon along the South Downs chalk ridgeway, finishing at Queen Elizabeth Country Park. Expect rolling hills, wide views and solid on course support in this World Trail Majors stage.

Run the scenic Cotswold Way from a Cirencester basecamp on 13 and 14 June 2026, choosing a full 100 km loop or shorter trail distances to suit every level. Expect rest stops, GPS tracking, medical and massage teams, plus camping and caterin..