Metric Marathon

Harwood, MD, USA · October 4, 2026
partly-cloudy-day65°·68° high·Breezy·Dry
5
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Race Day Weather

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65°at start
69° high
Breezy
Dry

Warm start

Starting at 65°F, heat will be a factor from the gun — go out conservative and stay on top of hydration. Light winds shouldn't be a major factor for pacing. Moderate humidity at 75% is worth noting for effort level, especially in later miles.

Race day forecast available in 3 days
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Pace Calculator

Distance: 16.3mi
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Race Info

The Metric Marathon is one of eight races in the Annapolis Striders Championship Series. The club has run it every October since 1980. The course covers 26.2 kilometers, about 16.3 miles, on paved roads through the Harwood area of southern Anne Arundel County. It starts and finishes at Southern High School and includes rolling hills, with the toughest climbs around miles 12 and 14. The race is usually held on the first Sunday of October.

Area Map

Course Map

FAQ

When is the 2026 Metric Marathon?

The 2026 Metric Marathon will be held on Sunday October 4, 2026.

What will the weather be like for the 2026 Metric Marathon?

The forecast calls for a high of 70°F and a low of 64°F with a 12% chance of rain.

Historical Weather

Based on 5 years of data
Avg Temp
68°F
L:60° H:73°
RunScore
5
Conditions
Rain Freq
20%
1 of 5 yrs
Wind7mph
Dew59°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
57°/76°-
5
2024
clear-day
58°/73°-
5
2023
clear-day
64°/77°-
4
2022
rain
58°/60°Light
7
2021
clear-day
63°/78°-
4