Race Day Weather
Warm start, rising temps ahead
Runners will face a starting temperature of 71°F, climbing to 84°F by race end, with an average humidity of 60% and a dew point of 63°F. Wind will be a steady tailwind at 10 mph, gusting to 24 mph. Adjust pacing strategies early to accommodate the heat and stay hydrated throughout.
Pace Calculator
The International Peace Marathon honors the legacy of Ethiopian Olympic champion Abebe Bikila, promoting global unity through sport. Runners traverse a flat, scenic out-and-back course along the C&O Canal Towpath, offering picturesque views of the Potomac River. The event is open to all participants who can complete the marathon within six hours, fostering a welcoming atmosphere for both seasoned athletes and newcomers. Source
Historical Weather
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 |  | 62°/76° | Light | 55° | |
2024 | | 67°/85° | - | 61° | |
2023 | | 73°/86° | Light | 70° | |
2022 | | 68°/81° | - | 64° | |
2021 | | 62°/78° | - | 56° | |
2020 |  | 69°/74° | - | 63° | |
2019 |  | 65°/84° | - | 57° | |
2018 | | 69°/76° | Light | 68° | |
2017 | | 69°/85° | - | 67° | |
2016 | | 78°/94° | - | 74° | |
2015 | | 69°/75° | Light | 69° | |
2014 | | 66°/71° | Light | 61° | |
2013 | | 57°/71° | - | 44° | |
2012 | | 65°/77° | - | 46° | |
2011 | | 70°/83° | - | 66° | |
2010 | | 61°/78° | - | 48° | |
2008 | | 67°/87° | - | 54° | |
2007 | | 67°/83° | - | 60° |