Mon, Apr 19 start 09:00 · Hopkinton, MA
Mon, Apr 19 start 09:00 · Hopkinton, MA. Over the last 10 years this time of year: typically 7~13°, WBGT 6.8–11.9° while running (Ideal). Little effect to +3 min on a 4:00 goal. Real forecast from 4/4.
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: 보스턴 마라톤