racecast.ioPartly cloudy throughout the day.
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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°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 47° | 52° | 57° | 62° | 66° | 70° | 72° | 73° |
| Feel | 46° | 52° | 57° | 62° | 66° | 70° | 72° | 73° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 2mph | 4mph | 5mph | 5mph | 5mph | 5mph | 4mph | 6mph |
| Dew | 42° | 43° | 42° | 42° | 42° | 42° | 42° | 42° |
| RunScore |  |  | | | | | | |
Potomac River Run Marathon (Fall) 2025
Oct 18, 2025
Partly cloudy throughout the day.
Low: 47°, High: 74°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 51° | 53° | 57° | 61° | 66° | 70° | 72° | 74° |
| Feel | 51° | 53° | 57° | 61° | 66° | 70° | 72° | 74° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 0mph | 3mph | 5mph | 6mph | 8mph | 8mph | 7mph | 9mph |
| Dew | 47° | 46° | 43° | 44° | 45° | 47° | 48° | 49° |
| RunScore | | | | | | | | |
Potomac River Run Marathon (Fall) 2024
Oct 19, 2024
Clear conditions throughout the day.
Low: 43°, High: 74°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM |
|---|---|---|---|---|---|---|---|---|
| Temp |  43° | 51° | 57° | 62° | 66° | 69° | 72° | 73° |
| Feel | 41° | 51° | 57° | 62° | 66° | 69° | 72° | 73° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 4mph | 5mph | 5mph | 5mph | 2mph | 2mph | 2mph | 3mph |
| Dew | 37° | 41° | 41° | 40° | 39° | 37° | 36° | 36° |
| RunScore | | | | | | | | |