Phoenix - Riverside | Marathon

We're going to be running an extra special edition of our Riverside Marathon in 2023 to mark its 10th edition and if you were on our very first start list then drop us an email and we'll give you a 50% discount entry to this event. Accurately Measured & UKA Certified Route. This is a beautiful low key jaunt along the River Thames from Walton on Thames towards Hampton Court and back. Runners complete either 4 or 8 laps for the half marathon or marathon distance.