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Marathon Pace Bands

Marathon Pace Bands

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Historical weather

Historical Race Day Weather for the Grandmas Marathon

See historical race day weather for the Grandmas Marathon, including start temperature, humidity, wind, race day temperatures, PR score, and course score.

Race Day Forecast Tool

See Your 2026 Grandmas Marathon Race Day Conditions

Plug in your goal time and start wave to see what conditions you’ll face throughout the race — including temperature changes, headwinds, and tailwinds along the course.

View 2026 Grandma's Marathon Weather Tracker
Built to help runners plan pace and gear around real race day weather.
Grandmas Marathon Weather Tracker preview

Weather Averages for Last 16 Years

Race day snapshot
Clear
Clear
Most common race morning weather across the last 16 years.
Start Line Conditions
Start Temp 58°F 14°C
Start Humidity 84% Humidity
Wind E 8 mph
Race day high 67°F 19°C
Race day low 51°F 11°C
PR Score 97.53 Weather-influenced race day scoring
Course Score 99.28 Course-only Score

Race Day Weather by Year

Most recent years appear first so you can quickly compare start conditions, temperatures, wind, and scores across different editions of the race.

June 20, 2026

Race day snapshot
Overcast
Overcast
Start Line Conditions
Start Temp 56°F 13°C
Start Humidity 88% Humidity
Wind NW 7 mph Wind
Race day high 70°F 21°C
Race day low 53°F 12°C
PR Score 97.56 Normal score 98.00
Course Score 99.12 Course-only Score
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Course-adjusted pacing

Want to run your best Grandmas Marathon?

Grandmas Marathon Pace Bands are adjusted for the specific terrain of the course, your goal time, and pacing strategy.

Build your Grandmas Marathon pace band

Easy to useCourse-aware pacing, goal-time based splits, and a cleaner race day plan.See all pace bands