Trail Running calendar near Mortimer Common 2025-2026

The Riverside Marathon & Half Marathon, organized by Phoenix Running, takes place in Walton on Thames, Surrey, along the scenic River Thames towpath. This UK Athletics certified event features flat, fast, and accurately measured courses wit..

Join a guided Box Hill Vertical KM group run near Dorking for a tough 12.5 mile route with about 1000 m of climb through woods, heath and open fields. Enjoy expert guidance, technical terrain and a social finish.

Maverick Dark and Maverick Original in Henley on Thames offer scenic off road trail races with multiple distances for all abilities. Expect muddy singletrack, rolling hills and a lively festival atmosphere for a fun day of trail running.

The Wallop is a scenic 21k timed trail race through Farleigh Wallop Estate, winding along narrow woodland paths, wide gravel tracks and open fields. Enjoy marshalled support, a bespoke finisher medal and post race mulled wine and mince pies..

Experience a sandy coastal run at West Wittering Beach with stunning views across the Solent, Selsey Bill and the South Downs. Choose from 5 km, 10 km or 15 km and bring your dog for canicross fun with medals and post race treats.

Join a guided 13 mile trail run around Guildford's Surrey Hills, visiting St Martha's Hill, Shere and the North Downs Way. Enjoy a friendly group pace, kit support and optional post run refreshments.

Run 26.3 miles over five laps around the scenic Colworth Estate near Sharnbrook on 30 Nov 2025. Open to solo runners and teams, this intimate trail and road loop has drink stations but is cup free so bring a bottle.

Tackle the Croome Capability Canter, a single lap 6.5 mile off road course around parkland with a big hill at the start and finish. Limited to 350 spots, this autumn race awards finishers medals and goodie bags.

Join the Marton Mile on Sunday 30 November 2025 for a relaxed one mile walk jog or run along the flat traffic free Lias Line Greenway near Marton. This family and dog friendly community fundraiser supports Shelter and welcomes all paces wit..

Event overview Winter on the Downs is a pair of single-loop trail ultras around the trails of East and West Sussex. Both races start and finish in Helen Garden, Eastbourne. Distances offered: 55 miles 100 miles The route begins over Beach..

Take on the Salisbury Plain Winter Edition on 6 December for a scenic, fully marked trail challenge over Half or Marathon distances. Enjoy well stocked aid stations, marshals and finisher medals as you tackle crisp winter terrain.

Run beneath the stars through Cowdray parkland and past the ruins at this atmospheric night trail, with 5km and 10km options and dog friendly canicross races. Head torches are mandatory and hot drinks await back at the Walled Garden.

Take on the Jurassic Coast from Swanage on 6 Dec 2025 with distances from a coastal 10K to a full marathon or ultra. Rugged trails, big climbs and fully marked timed courses promise a scenic and satisfying challenge.

Scenic trail runs from Plumpton Racecourse across the South Downs with ridge top views to the sea. Choose 9, 12 or 22 km with chip timing, water stations and a finishers medal; plastic free event so bring a reusable cup.

The Mince Pie 10 is a festive 10-mile race held in Peacehaven, East Sussex, organized by Seaford Striders. The multi-terrain course features about six miles of farm tracks and bridleways, with the remaining four miles on quiet roads, includ..

The Allsorts Tinkley Gate Santa Dash is a festive, family-friendly running event held at the scenic National Trust Tinkley Gate site in Woodchester, Gloucestershire. Participants can choose between a 5km off-road trail or a shorter 2.5km ro..

The Trifarm Winter 10k is the finale of a four race trail series, sending runners along more than 95% off road footpaths and bridleways on a scenic winter route. With on site parking and just 50 places, this compact 10k fills fast.

Join the New Forest Xmas Trails on 7 December at Holmesly Campsite for fully marked off road laps through heathland and woodland, with distances from 15K to a 50K ultra. Enjoy a festive trail vibe and the option to plant a tree instead of t..

Run a scenic 10 mile trail around Grafham Water, weaving through woodland, Dragonfly Pond and Sanctuary Bay before a final mile along the dam wall. Canicross runs in a separate wave so you can bring your dog on a lead.

Part of the 12 Days of Christmas, Partridge in a Pear Tree on 7 December 2025 offers offroad laps at Pengethley Manor through vineyards and a cheeky hill. Choose 5k to ultra, walkers and runners welcome with a unique finisher medal.