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Race Overview
The New England Green River Marathon is one of the most beautiful races in New England. Starting in Marlboro, Vermont and following the course of the Green River through an 1870’s covered bridge, and ending with a finish-line celebration in the shade of maple trees at Greenfield Community College in Massachusetts. This USATF-certified (Certification MA18003JK) course has a net 1,400 foot drop over a rolling, downhill course that has seen many personal best and Boston qualifying times for well-trained runners.
WikipediaFAQ
When is the 2027 New England Green River Marathon?
The 2027 New England Green River Marathon will be held on Sunday August 22, 2027.
Is the New England Green River Marathon a Boston Marathon Qualfier?
Yes, the New England Green River Marathon is an official Boston Marathon qualifier.
What is the time limit for the New England Green River Marathon?
The time limit for the New England Green River Marathon is 6.5 hours.
New England Green River Marathon Course Map
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New England Green River Marathon Weather History
New England Green River Marathon Weather Averages
Average Temp: 67°, Average Low: 58°, Average High: 76°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 61° | 62° | 65° | 67° | 69° | 71° | 72° |
| Feel | 61° | 62° | 65° | 67° | 69° | 71° | 72° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 3mph | 3mph | 3mph | 4mph | 5mph | 5mph |
| Dew | 58° | 59° | 60° | 61° | 61° | 61° | 62° |
| RunScore |  | | | | | | |
New England Green River Marathon 2026
Aug 23, 2026
Partly cloudy throughout the day with rain.
Low: 61°, High: 76°, Moderate Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp |  65° | 65° | 66° |  68° | 68° | 69° | 70° |
| Feel | 65° | 65° | 66° | 68° | 68° | 69° | 70° |
| Rain | - | - | light | light | light | light | - |
| Wind | 5mph | 5mph | 2mph | 2mph | 3mph | 3mph | 6mph |
| Dew | 63° | 62° | 64° | 63° | 64° | 65° | 66° |
| RunScore |  | | |  |  | | |
New England Green River Marathon 2025
Aug 24, 2025
Partly cloudy throughout the day.
Low: 62°, High: 76°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 65° | 66° | 68° | 70° | 73° | 73° | 74° |
| Feel | 65° | 66° | 68° | 70° | 73° | 73° | 74° |
| Rain | - | - | - | - | - | - | - |
| Wind | 7mph | 5mph | 7mph | 7mph | 12mph | 10mph | 11mph |
| Dew | 59° | 59° | 60° | 61° | 61° | 62° | 62° |
| RunScore | | | | | | | |
New England Green River Marathon 2024
Aug 25, 2024
Partly cloudy throughout the day.
Low: 53°, High: 80°, Light Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 53° | 58° | 61° | 63° | 69° |  73° | 75° |
| Feel | 53° | 58° | 61° | 63° | 69° | 73° | 75° |
| Rain | - | - | - | light | - | - | - |
| Wind | 0mph | 0mph | 1mph | 2mph | 0mph | 3mph | 3mph |
| Dew | 53° | 56° | 57° | 59° | 61° | 61° | 60° |
| RunScore | | | | | | | |
New England Green River Marathon 2023
Aug 27, 2023
Partly cloudy throughout the day.
Low: 61°, High: 76°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 64° | 64° | 67° | 67° | 70° | 71° | 72° |
| Feel | 64° | 64° | 67° | 67° | 70° | 71° | 72° |
| Rain | - | - | - | - | - | - | - |
| Wind | 5mph | 4mph | 5mph | 3mph | 2mph | 5mph | 5mph |
| Dew | 61° | 62° | 61° | 61° | 62° | 62° | 62° |
| RunScore | | | | | | | |
New England Green River Marathon 2022
Aug 28, 2022
Partly cloudy throughout the day.
Low: 55°, High: 80°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 56° | 59° | 64° | 68° | 68° | 72° | 73° |
| Feel | 56° | 59° | 64° | 68° | 68° | 72° | 73° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 2mph | 1mph | 4mph | 6mph | 6mph |
| Dew | 56° | 57° | 61° | 62° | 63° | 63° | 64° |
| RunScore | | | | | | | |
New England Green River Marathon 2021
Aug 29, 2021
Cloudy skies throughout the day.
Low: 63°, High: 76°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 63° | 63° | 64° | 65° | 66° | 67° | 69° |
| Feel | 63° | 63° | 64° | 65° | 66° | 67° | 69° |
| Rain | - | - | - | - | - | - | - |
| Wind | 1mph | 4mph | 1mph | 3mph | 4mph | 4mph | 2mph |
| Dew | 58° | 58° | 58° | 58° | 59° | 60° | 62° |
| RunScore | | | | | | | |
New England Green River Marathon 2019
Sep 1, 2019
Becoming cloudy in the afternoon.
Low: 47°, High: 72°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 47° | 51° | 57° | 62° | 68° | 69° | 70° |
| Feel | 47° | 51° | 57° | 62° | 68° | 69° | 70° |
| Rain | - | - | - | - | - | - | - |
| Wind | 1mph | 0mph | 1mph | 1mph | 5mph | 5mph | 7mph |
| Dew | 46° | 49° | 51° | 53° | 52° | 51° | 52° |
| RunScore | | | | | | | |
New England Green River Marathon 2018
Aug 18, 2018
Cloudy skies throughout the day with a chance of rain throughout the day.
Low: 66°, High: 73°, Moderate Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|---|---|
| Temp | 72° | 73° | 73° | 72° | 70° | 71° | 70° |
| Feel | 72° | 73° | 73° | 72° | 70° | 71° | 70° |
| Rain | light | - | - | - | light | light | light |
| Wind | 4mph | 5mph | 5mph | 4mph | 4mph | 5mph | 4mph |
| Dew | 69° | 70° | 70° | 68° | 66° | 66° | 66° |
| RunScore | | | | | | | |