Sat, Apr 24 start 09:00 · Blackheath, London
Sat, Apr 24 start 09:00 · Blackheath, London. Over the last 10 years this time of year: typically 10~14°, WBGT 9.3–13.3° while running (Ideal). Little effect to +5 min on a 4:00 goal. Real forecast from 4/9.
Hourly forecast for race day (temperature, dew point, humidity, wind, WBGT), pace adjustment for your goal time, 5 km splits, forecast-change tracking and past race-day weather. Korean: 런던 마라톤