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Race Overview
For 2026, both the Marathon and Half Marathon moved to new out-and-back courses starting and finishing in downtown Marlinton, WV, on the scenic Greenbrier River Trail (GRT) in Pocahontas County. Both start on First Avenue in Marlinton before heading onto the trail. The Half Marathon (13.1 miles) turns around at 6.55 miles with about 80 feet of elevation gain. The Marathon (26.2 miles) continues north through Sharp's Tunnel to a turnaround at 13.1 miles, crossing the tunnel twice, with about 160 feet of total elevation gain. Boston Qualifier certification for the new marathon course is in progress.
WikipediaFAQ
When is the 2026 Greenbrier River Trail Marathon?
The 2026 Greenbrier River Trail Marathon will be held on Sunday October 4, 2026.
Is the Greenbrier River Trail Marathon a Boston Marathon Qualfier?
Yes, the Greenbrier River Trail Marathon is an official Boston Marathon qualifier.
What is the time limit for the Greenbrier River Trail Marathon?
The time limit for the Greenbrier River Trail Marathon is 8 hours.
Greenbrier River Trail Marathon Course Map
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Greenbrier River Trail Marathon Weather History
Greenbrier River Trail Marathon Weather Averages
Average Temp: 54°, Average Low: 48°, Average High: 64°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM | 4PM |
|---|---|---|---|---|---|---|---|---|---|
| Temp | 48° | 50° | 52° | 55° | 58° | 60° | 61° | 63° | 63° |
| Feel | 46° | 48° | 50° | 54° | 57° | 58° | 60° | 61° | 61° |
| Rain | - | - | - | - | - | - | - | - | - |
| Wind | 6mph | 7mph | 7mph | 6mph | 7mph | 7mph | 8mph | 9mph | 8mph |
| Dew | 45° | 46° | 47° | 48° | 49° | 47° | 45° | 44° | 45° |
| RunScore |  |  | | | | | | | |
Greenbrier River Trail Marathon 2025
Oct 5, 2025
Clear conditions throughout the day.
Low: 49°, High: 77°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM | 4PM |
|---|---|---|---|---|---|---|---|---|---|
| Temp | 50° |  54° | 59° | 64° | 68° | 70° | 73° | 77° | 74° |
| Feel | 50° | 54° | 59° | 64° | 68° | 70° | 73° | 77° | 74° |
| Rain | - | - | - | - | - | - | - | - | - |
| Wind | 3mph | 2mph | 1mph | 1mph | 2mph | 3mph | 6mph | 7mph | 6mph |
| Dew | 46° | 48° | 52° | 54° | 53° | 48° | 45° | 44° | 44° |
| RunScore |  | | | | | | | | |
Greenbrier River Trail Marathon 2024
Oct 6, 2024
Clearing in the afternoon.
Low: 52°, High: 77°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM | 4PM |
|---|---|---|---|---|---|---|---|---|---|
| Temp |  52° | 54° | 57° | 62° | 68° | 71° | 75° | 76° | 77° |
| Feel | 52° | 54° | 57° | 62° | 68° | 71° | 75° | 76° | 77° |
| Rain | - | - | - | - | - | - | - | - | - |
| Wind | 3mph | 4mph | 3mph | 4mph | 5mph | 4mph | 3mph | 8mph | 6mph |
| Dew | 52° | 53° | 55° | 57° | 59° | 56° | 55° | 54° | 56° |
| RunScore | | | | | | | | | |
Greenbrier River Trail Marathon 2023
Oct 8, 2023
Cloudy skies throughout the day.
Low: 39°, High: 47°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM | 4PM |
|---|---|---|---|---|---|---|---|---|---|
| Temp | 39° | 40° | 42° | 44° | 45° | 45° | 46° | 47° | 47° |
| Feel | 33° | 33° | 35° | 38° | 39° | 39° | 40° | 42° | 42° |
| Rain | - | - | - | - | - | - | - | - | - |
| Wind | 10mph | 13mph | 13mph | 11mph | 14mph | 14mph | 15mph | 12mph | 11mph |
| Dew | 33° | 33° | 33° | 33° | 32° | 33° | 31° | 30° | 31° |
| RunScore | |  | | | | | | | |
Greenbrier River Trail Marathon 2022
Oct 2, 2022
Cloudy skies throughout the day with a chance of rain throughout the day.
Low: 50°, High: 54°, Heavy Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM | 3PM | 4PM |
|---|---|---|---|---|---|---|---|---|---|
| Temp |  51° | 51° | 51° | 51° | 52° | 52° | 52° | 51° | 52° |
| Feel | 51° | 51° | 51° | 51° | 52° | 52° | 52° | 51° | 52° |
| Rain | light | light | light | light | light | light | light | light | light |
| Wind | 7mph | 9mph | 10mph | 9mph | 8mph | 8mph | 8mph | 9mph | 8mph |
| Dew | 49° | 50° | 50° | 50° | 50° | 50° | 50° | 49° | 50° |
| RunScore | | | | | | | | | |