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Potomac River Run Marathon (Fall)

Carderock, MD, USA

Partly cloudy throughout the day.

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Details
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Pre-Race
Race
Post-Race
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FAQ

When is the 2026 Potomac River Run Marathon (Fall)?

The 2026 Potomac River Run Marathon (Fall) will be held on Saturday October 17, 2026.

Is the Potomac River Run Marathon (Fall) a Boston Marathon Qualfier?

Yes, the Potomac River Run Marathon (Fall) is an official Boston Marathon qualifier.

Potomac River Run Marathon (Fall) Weather History

Potomac River Run Marathon (Fall) Weather Averages

Average Temp: 58°, Average Low: 45°, Average High: 74°
Time8AM9AM10AM11AM12PM1PM2PM3PM
Temp
47°
52°
57°
62°
66°
70°
72°
73°
Feel46°52°57°62°66°70°72°73°
Rain--------
Wind2mph
4mph
5mph
5mph
5mph
5mph
4mph
6mph
Dew42°43°42°42°42°42°42°42°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Potomac River Run Marathon (Fall) 2025

Oct 18, 2025
Partly cloudy throughout the day.
Low: 47°, High: 74°
Time8AM9AM10AM11AM12PM1PM2PM3PM
Temp
partly-cloudy-day 51°
partly-cloudy-day 53°
partly-cloudy-day 57°
partly-cloudy-day 61°
partly-cloudy-day 66°
partly-cloudy-day 70°
partly-cloudy-day 72°
partly-cloudy-day 74°
Feel51°53°57°61°66°70°72°74°
Rain--------
Wind0mph
3mph
5mph
6mph
8mph
8mph
7mph
9mph
Dew47°46°43°44°45°47°48°49°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 8

Potomac River Run Marathon (Fall) 2024

Oct 19, 2024
Clear conditions throughout the day.
Low: 43°, High: 74°
Time8AM9AM10AM11AM12PM1PM2PM3PM
Temp
clear-day 43°
clear-day 51°
clear-day 57°
clear-day 62°
clear-day 66°
clear-day 69°
clear-day 72°
clear-day 73°
Feel41°51°57°62°66°69°72°73°
Rain--------
Wind4mph
5mph
5mph
5mph
2mph
2mph
2mph
3mph
Dew37°41°41°40°39°37°36°36°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8