Hatfield Midweek 5K Series

Affinity Water, Hatfield, Hertfordshire

Event details

A series of three 5k races, run on 3 x consecutive August/September Wednesday evenings.

Taking place Wednesday 9th September 2026 at Affinity Water, Hatfield, Hertfordshire, Hatfield Midweek 5K Series is one of several Road Running fixtures tracked here across the UK. If you're weighing this up against other options nearby, the full events calendar covers everything from parkruns to marathons with dates and locations kept current.