International Peace Marathon
International Peace Marathon race day weather
Warm start, maintain hydration
Runners will face temperatures starting at 73°F and rising to 83°F. With average humidity at 71% and a dew point of 68°F, the air will feel muggy. Runners should adjust their pace conservatively to manage the heat and stay hydrated throughout the race.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for International Peace Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
About the International Peace Marathon
The International Peace Marathon, also called the Abebe Bikila Day International Peace Marathon, is run on the C&O Canal Towpath in Washington, DC, starting and finishing at Fletcher's Cove, in memory of Ethiopian Olympic champion Abebe Bikila. The marathon is two out-and-back trips along the Potomac River and the half marathon is one, on a flat USATF-certified course (DC09005RT). The marathon is a Boston Marathon qualifier. The organizers have said this race and their October 17, 2026 Potomac River Run will be the last marathons they host.