Ranelagh Harriers’ annual half marathon race dates back to 1980 and is a fast and flat course that runs through Richmond and Twickenham, down to Hampton Court Bridge, and back up along the Thames towpath to Ham.

The race is part of the Ranelagh Harriers’ Summer Road Grand Prix and its half marathon road championships race. It is also the Surrey Half Marathon Championships and part of the Surrey Road League.

The race starts on Petersham Road, just up from the junction with Star and Garter Hill, and heads initially to Richmond Bridge. Runners cross the bridge, joining Richmond Road, which they follow into Twickenham before joining the river opposite the famous Eel Pie Island.

By Diamond Jubilee Gardens, the route leaves the river, follows Cross Deep past Radnor Gardens, and proceeds along Twickenham Road to the left-hand turn down Ferry Road near Teddington Lock. 

The course then heads right,…