The ultimate obstacle course challenge now has 12+ obstacles over a 5 Kilometre run.
With no competition and no timing, it’s just you, your teammates and muddy strangers working together to conquer the course and earn the world-famous orange headband.
Whether you're a first time runner or seasoned pro, we've got the challenge for you! Join Team Retina UK and help support people affected by inherited sight loss lead better lives today and accelerate the search for treatments for the future. We have places available in hundreds of local events across the UK. Whichever you choose, you’ll get dedicated support from our team to make sure you have all the information you need for race day and top tips to help with your fundraising.