Friday, June 18, 2027 – Saturday, June 19Duluth, MN
2027 Grandma's Marathon Race Weekend
3 events
- William A. Irvin 5K ($75 Team Fee plus $500 fundraising)5KRoadStarts 1:00 PM
- Garry Bjorklund Half Marathon ($75 Team Fee plus $750 fundraising)HalfRoadStarts 6:45 AM
- Fundraiser Only (already have an entry into the 2027 Grandma's Marathon or Garry Bjorklund Half Marathon)MarathonRoadStarts 6:45 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherGood weather · 71/100
- High / low
- 69° / 51°F
- 20° / 11°C
- Humidity
- 79%
- Dew point 53°F
- Chance of rain
- 47%
- Wind
- 9 mph
- Average
- Usually warm for a marathon: about 59°F while racing.
- Rain on about 47% of days around this date.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.