Get Ready for the ATW Grafham 5K & 10K at the Stunning Grafham Water!

Sunday, 25th October 2026

Lace up your running shoes and join us at Grafham Water, one of the UK’s most iconic multisport venues, for a day of fun, fitness, and achievement! Whether you’re chasing a personal best or just want a fantastic day out, this event is perfect for runners of all levels.

Experience the thrill of running alongside the ATW Grafham Duathlon, soaking up the energy from fellow athletes and cheering spectators. The atmosphere will be electric – and you’ll be right in the heart of it!

Why You’ll Love Running at Grafham Water:

Breath taking Setting: Take in the scenic surroundings as you tackle your 5K or 10K – a truly memorable race experience.

All Abilities Welcome: From first-time racers to seasoned pros, everyone will feel supported and inspired.

Unforgettable Race Day Vibes: With enthusiastic participants, cheering spectators, and a vibrant community, you’ll leave with a smile (and maybe even a new PB!).

Secure Your Spot Now!

Don’t miss out on this incredible opportunity to run at one of the UK’s most celebrated venues. Sign up today and be part of a day full of fun, fitness, and achievement!

Stay Over?

You can now camp the night before the event! We are pleased to offer the option of camping through Lakeview Paddock. To view details click HERE

Charity - Join us in making every stride count by raising money for our partner charity, Alzheimer's Research UK - your run will not only challenge your limits but also change lives, one step at a time, for a cure. Opportunities to donate and fundraise will appear at checkout.

ATW Transfer & Refund Policy

At ATW, we understand that sometimes plans change. While we do not offer refunds or transfers to another person, we provide a hassle-free event transfer option for those unable to attend their booked event. If you are unable to participate in your scheduled event for any reason—including injury, illness, pregnancy, bereavement, or other unforeseen circumstances—you can transfer your entry to any future ATW event. There is no proof required, we trust you!

Even better news, transfers can be made all the way up to 48 hours before your original event date.

ATW Community

At ATW we think of our participants as a community and we love to hear about the community's dreams and achievements.

If you'd like to share those dreams and achievements you can do so on any of our social media platforms. Equally if you'd like any advice about your upcoming event you will almost certainly find someone who can provide some guidance.

Links to all our social media platforms are at the bottom of the page, including to our ATW Chat Facebook group, which might be the most interactive platform if asking for help.

Event Organiser

Founded in 2011 by James Shipley, ATW has grown to become the UK's largest multisport event organiser. Specialising in running, triathlons, duathlons, aquathons, cycling, swimming, and all swim-bike-run events, ATW hosts over 40,000 participants annually. We’re dedicated to helping you Dream, Believe, and Achieve.

Description supplied by the event organiser.