Mountain biking events in UK in September 2025
Find mountain biking events near me in UK in September 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.
Filter by month
Filter by place
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 20 Sep
- £60
London to Brighton Off-Road Bike Ride | 61 Mile
Come and tackle 100km of technical terrain with superb views on a dirt adventure you'll never forget! It's Europe's largest charity mountain bike ride, and you're invited to join in.
- Chip timing
- Enter online
- GPS tracking
- Fundraising required
- Hilly
- Age 16 & over
- 61 miles mountain biking + 1295 m ascent
- Sat 20 - Sun 21 Sep
- £25-£130
Calder Divide Trail | 160K
A multi-day gravel adventure across 12 valleys, 6 moors and along the watershed of the River Calder in West Yorkshire through a diverse and stunning landscape.
- Enter online
- GPS tracking
- Age 12 & over
- 160 km gravel riding
- Sat 20 - Sun 21 Sep
- £25-£130
Calder Divide Trail | 240K
A multi-day gravel adventure across 12 valleys, 6 moors and along the watershed of the River Calder in West Yorkshire through a diverse and stunning landscape.
- Enter online
- GPS tracking
- Age 12 & over
- 240 km gravel riding
- Sat 20 Sep
- £45
London to Brighton Off-Road Bike Ride | 36.5 Mile
New midway option! Come and tackle 59km of technical terrain with superb views on a dirt adventure you'll never forget! It's Europe's largest charity mountain bike ride, and you're invited to join in.
- Chip timing
- Enter online
- GPS tracking
- Fundraising required
- Hilly
- Age 16 & over
- 36.5 miles mountain biking
- Sun 21 Sep
- £54-£56
Thrive Gravel
The epic finale of the 2025 GrALBA Series, set in the heart of the Cairngorms as part of the Thrive Mountain Bike Festival. Join a spectacular day on the trails to celebrate the gravel riding season!
- Newcomers
- Enter online
- Hilly
- Event village
- Rural
- Age 18 & over
- 85 km gravel riding
- Thu 18 Sep
The Southern Divide – Autumn Epic | The Southern Divide – Autumn Epic
- 88 hrs gravel riding + 26701 ft ascent
- Sun 28 Sep
Market Harborough Festival of Cycling | 70K Off-Road
- 70 km mountain biking
- Sun 28 Sep
Market Harborough Festival of Cycling | 40K Off-Road
- 40 km mountain biking