Entries are open for 16th August 2026!

The Bath Marathon is the headline event of our Two Tunnels race series. This series has multiple race days, with multiple races on each day. Please check our main Relish Running website for full details.

Here is a list of which events we have on offer on each date in 2026. You can register for a race on any of the event dates below using the links shown opposite;

22nd Feb - Half Marathon, 10km, 5km, Colourburst

7th June - Half Marathon, 10km, 5km, Colourburst

16th August - 50km, BATH MARATHON, Half Marathon, 10km, 5km, Colourburst


Bath Marathon