Mountain Mayhem
| Race details | |
|---|---|
| Date | 19–21 June |
| Region | UK Northamptonshire |
| Discipline | Mountain |
| Type | 24 Hour |
| History | |
| First edition | 1998 |
| Editions | 22 |
| Most recent | 2019 Martin Handley, Dorothy Liviabella |
Mountain Mayhem is a 24-hour mountain bike race held in the UK. It has been held annually since 1998 and usually occurs on the weekend nearest to midsummer. In 2013 the event moved to Gatcombe Park in Gloucestershire, and in 2019 the event was held at Marston Lodge in rural Northamptonshire.