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You'll be put through your paces tackling swamps, rivers and knee deep mud. These events will push you to the limit. But the satisfaction of finishing will have you running back for more.
Macmillan now has an official partnership with the Grim Series. Challenge yourself with one of the Grim events this year.
Choose your event.
Secure your own place through the event organiser.
Join Team Macmillan Fill in our online form| and we'll sign you up to the team and send you a fundraising and training pack.
Already notorious amongst extreme runners, this is one of the toughest.
With 5k, 10k and 20k races there is bound to be one that suits you.
Lots of mud and some serious hills.
7-8 mile multi-discipline adventure event.
5k of hazardous obstacles.
Off road courses ranging from 6k to 16k.
Thames Path Challenge|
Ultra marathon with either a 50K or 100k option.
5k or 10k worth of mud running and obstacles.
Register with Macmillan|
Already signed up for an event? Register to run with Macmillan and we'll send you a fundraising and training pack.
When it comes to support, there's no competition. We'll tell you everything you need to know about extreme running.
Fully exerting yourself and completing the course, coupled with the knowledge you are contributing to a cause that gives so much, provides an immensely powerful and addictive sense of satisfaction! Christos, Mud Runner 2011 participant
Fully exerting yourself and completing the course, coupled with the knowledge you are contributing to a cause that gives so much, provides an immensely powerful and addictive sense of satisfaction!
Christos, Mud Runner 2011 participant
Email offroadrunning@macmillan.org.uk|
Call 020 7091 2329
Write to Team Macmillan, Macmillan Cancer Support, 89 Albert Embankment, London SE1 7UQ