Scilly 555

About this event

Whether you’re chasing your first 10k, an epic half marathon, a walk through island paradise, or the five most south-western marathons in the UK, 555! is your next adventure. Following a successful soft launch, the 555 proved to be an extraordinary week—accessible, inclusive, and unforgettable. From walking a single island loop at your own pace, to run-walking your first 10k, building up to your first half marathon, or tackling a marathon every day, this event truly has something for everyone. And with every route set against the breathtaking Isles of Scilly, the views are as rewarding as the journey. If you can’t join us for the full week—no problem. Choose any day, pick your distance, and take part as a standalone event. Your 555! Options: 5 Marathons • 5 Islands • 5 Days. Total: 211 km / 131 miles 5 Half Marathons • 5 Islands • 5 Days. Total: 106 km / 76 miles 5 Island Loops • 5 Islands • 5 Days. Approx. Total: 55 km / 35 miles Each distance uses a set number of clearly marked island loops. Daily Time Limits Marathons 6 hours 30 minutes, equivalent to 9:15 min/km or 14:45 min/mile Half Marathons & Single Loops At least 5 hours 30 minutes to finish Half marathons: 15 min/km or 25 min/mile Loopers: 2.5 km/hr or 1.5 mph (perfect for walkers and families) Event Hub & Support A dry indoor venue on each island provides the start/finish area Access to toilets, hot and cold water, and shelter Runners may leave a kit bag with personal food and fuel at the start point to access...