A firm favourite in the Welsh running calendar, this event boasts one of the flattest marathon courses in Europe. Nearly 70% of all finishers have claimed a PB on a route that offers iconic landmarks, including the city’s historic Castle, traditional Victorian Market and Transporter Bridge, as well as the stunning scenery of the Gwent Levels.

Whether you’re a seasoned marathon runner or this is the first time you’ll tackle 26.2 miles, this is a fantastic event for all abilities, with great spectator support and a warm Welsh welcome for all. Join our team and every pound you raise will help us get closer to a cure for brain tumours.

If you would prefer to opt for the half marathon or 10km events, please email fundraising@braintumourresearch.org to let us know.