Trail Running Races in the South West UK: A Guide for Runners

Trail running offers a unique blend of endurance, adventure, and breathtaking scenery, making it one of the most rewarding ways to challenge yourself as a runner. Whether you're a seasoned racer or new to off-road running, the South West UK has a wealth of incredible trail races to add to your calendar. As a running coach, I always encourage my clients to mix road running with trails for variety, strength-building, and pure enjoyment.

Below are some of the best trail races in the region; each offering its own mix of mud, hills, technical terrain, and stunning landscapes.

Why Trail Running?

Trail races differ from road races in many ways. The uneven terrain, steep climbs, and unpredictable weather make them both physically and mentally demanding, but the sense of achievement and connection with nature is second to none. Benefits of trail running include:

• Strength & Stability: Uneven surfaces improve balance and build strength.

• Reduced Impact: Softer terrain puts less stress on joints compared to road running.

• Mental Resilience: Trails require concentration and adaptability, making you a stronger all-round runner.

• Scenic Routes: Breathtaking trails and countryside settings make every race an adventure.

Top Trail Races in the South West UK

If you’re looking for a challenge, you might want to check out these fantastic races. Whether you prefer mud-fests, coastal views, or technical trails, there’s something for everyone. (The photo below is from the Hanham Horror, featuring me in black!)

1. Nightingale Nightmare

Expect hills, mud, and a spooky night-time setting in this atmospheric race. A great choice for those who enjoy running in the dark!

2. Hanham Horror

A classic and brutal trail race featuring river crossings, steep climbs, and tricky descents. A true test of strength and endurance.

3. Sodbury Slog

A local legend! This race is known for its challenging terrain, deep mud, and fantastic atmosphere. Be prepared to get very, very dirty.

4. Riverbank Rollick

A beautiful yet demanding multi-terrain race with plenty of waterlogged paths and riverbank sections to test your agility.

5. The Grizzly

One of the most famous trail races in the UK, this 20-mile event includes steep coastal climbs, river crossings, and thick mud. An absolute must for hardcore trail runners.

6. Forest of Dean Spring & Autumn Half Marathons

Scenic and well-organised races that take you through the beautiful Forest of Dean. Expect winding trails and a supportive race atmosphere.

7. Grand Canal Canter

A flatter trail race, perfect for those looking to ease into off-road running or chase a fast time along picturesque canal paths.

8. Brandy Stoke 10K

A hidden gem of a race with a mix of roads and trails, providing a fun yet challenging course for all levels.

9. The Kensham Dandy

An exciting local event featuring rolling trails, great camaraderie, and stunning views.

10. The Durley Dozen

If you like your races tough, this one is for you—expect relentless hills and an incredible sense of achievement at the finish.

11. Bath Two Tunnels

A unique race that takes you through historic railway tunnels in Bath. A mix of road and trail, with an atmospheric underground stretch.

12. Wye Valley Tunnel

Another fantastic tunnel-based event, set in the stunning Wye Valley. Perfect for those who love scenic routes with a twist.

13. Bath Skyline (Night & Day Races)

Offering both day and night options, this race takes you across Bath’s beautiful skyline trails, providing breathtaking city and countryside views.

Training for Trail Races

Preparing for a trail race requires a different approach compared to road running. Here are a few coaching tips to ensure you’re race-ready:

• Hill Training: Trails often include steep ascents—train your legs with hill repeats.

• Strength Work: Squats, lunges, and core exercises will help with stability on uneven terrain.

• Footwear Matters: Invest in a good pair of trail running shoes with proper grip.

• Practice on Trails: If possible, train on similar terrain to your race.

• Hydration & Nutrition: Trail races can take longer—practice fueling strategies in training.

Looking to Improve Your Trail Running?

As a running coach, I help runners of all levels improve their technique, build endurance, and tackle new challenges. Whether you’re training for your first trail race or aiming for a PB in a tough event, I offer personalised coaching plans to help you get the most out of your running.

🏃‍♂️ Want to enhance your trail running performance? Get in touch today and let’s build a training plan that works for you!

Trail races offer an unbeatable combination of adventure, challenge, and community spirit. Have you done any of these races? Which one is your favourite? I'd love to hear.