South West Spartan

Insane Terrain is an off-road running event held at various locations, including Washbrook Farm. The race offers distances of 5K or 10K, with participants able to choose to run one or two laps on the day. The course features a variety of fun and challenging obstacles such as wading through water, climbing over barriers, and sliding through mud, making it suitable for all abilities. The event emphasizes enjoyment and encourages participants to bring friends to share the experience. Known for its lively and adventurous atmosphere, Insane Terrain promises a unique and entertaining outdoor running challenge. Visit the organization's website for the most recent information.

The Cheltenham Fun Inflatable 5K Obstacle Course is a lively and family-friendly event held at Cheltenham Racecourse, Gloucestershire. Participants can choose from distances of 2.5k, 5k, 10k, or 15k, featuring 15 to 90 inflatable obstacles depending on the course length. The 5K course includes 30 large, bouncy obstacles with exciting names like Start Mountain, The Crawler, and Swing Shot, spread over two laps of a 2.5k circuit. The event boasts a fun atmosphere with pumping music zones, food vendors, and spectator areas. It encourages group participation with discounts for families, friends, and charities, making it an epic day out for all ages. Visit the organization's website for the most recent information.

The Giddy Horse Half Marathon, Trail, & Steeplechase Obstacle Course Races take place at Chepstow Racecourse in the UK. The event features a variety of distances including a half marathon, 8-mile and 4-mile trail runs, as well as 4-mile and 8-mile steeplechase obstacle course races. The trail races offer scenic views of the Severn Bridge and the Wye Valley cliffs, with laps around a beautiful park setting. The steeplechase OCR challenges participants with climbs, crawls, mud, and water obstacles, catering to both experienced obstacle racers and newcomers. The event is family-friendly and organized by Relish The Great Outdoors. Visit the organization's website for the most recent information.

The Dark Dirty Devil is a new 10k running event held at the Bovington Tank Range in Bovington, known for its rugged army training grounds. This dusk race offers a fun, muddy, and slightly wet course, providing a unique challenge on a different route from the popular Dirty Devil Stampede. Participants can expect a lively atmosphere with cold-ish conditions and laughter-filled running.

All finishers receive a medal and a Stampede Buff, with prizes awarded to the top three male and female runners. Dogs are not permitted, and pre-ordered T-shirts are available for collection on race day. Entries are limited and close once full. Visit the organization's website for the most recent information.

The Eastnor Castle Mud Bath will take place in Eastnor on Sunday 26 April 2026.

The London West Spartan Trifecta Weekend takes place in Henley on Thames, UK, featuring a challenging obstacle course race across historic landmarks and a scenic riverside course. The event spans two days and offers multiple race distances: the Sprint (5K with 20 obstacles), Super (10K with 25 obstacles), and Beast (21K with 30 obstacles), plus a kids' race. Participants face classic Spartan obstacles such as the Atlas Carry, A-Frame Cargo Climb, Barbed Wire Crawl, Fire Jump, and Spear Throw. The event combines physical endurance with teamwork and offers a vibrant festival atmosphere with music and celebrations, making it a memorable test of strength and grit. Visit the organization's website for the most recent information.