Discover a hidden gem of London running at the Chislehurst Half Marathon on Sunday, May 17, 2026. This beloved community event showcases the surprisingly green and historic landscape of one of the capital's leafiest suburbs, taking runners on a scenic tour through its beautiful parks, quiet commons, and picturesque village centre. While offering a genuine and challenging run with notable hills, the course rewards participants with fresh air, tree-lined vistas, and a true escape from the urban bustle. At its heart, the event is a powerful fundraiser, with all surplus entry fees donated to its dedicated charity partner, The Maypole Project, which provides vital support for families of children with complex medical needs. This deep community connection fosters a wonderfully supportive and friendly atmosphere, where local volunteers and spectators cheer runners every step of the way. Perfect for runners seeking a half marathon with character, purpose, and beautiful scenery without leaving Greater London, it combines a rewarding physical challenge with the chance to make a real difference. With its unique blend of leafy trails, local history, and heartfelt charity cause, the Chislehurst Half Marathon offers a genuinely enriching and memorable race day experience.
Races Offered
Half Marathon
May 17, 2026
straighten
Distance —
21.1K
terrain
Type ——
timer
91 days remaining
Weather Overview
These values represent the 3-year monthly averages for May in London Borough of Bromley.
Temp (°C)
Feels Like (°C)
thermostat8.7° / 17.1°
wb_sunny5.9° / 14.1°
Wind (km/h)
Humidity (%)
air13.2 /
water_drop78.1%
Temp (°C)
Feels Like (°C)
Wind (km/h)
Humidity (%)
thermostat8.7° / 17.1°
wb_sunny5.9° / 14.1°
air13.2 km/h
water_drop78.1%
About London Borough of Bromley
The London Borough of Bromley is a borough in Greater London, England. It is the largest and southeasternmost borough in London, and borders the counties of Surrey and Kent, the latter of which it formed part until 1965. The borough's population in the 2021 census was 329,991. It is named after Bromley, its principal town. Other districts are Penge, Hayes, West Wickham, Chislehurst, Beckenham and Orpington. The local authority is Bromley London Borough Council.