The 2026 International Peace Marathon has concluded.

International Peace Marathon

Race complete
Washington, DC, USA · September 5, 2026
partly-cloudy-day75°·82° high·Breezy·Dry
7
Register
Weather
Pace Calc
Course
Race Info
FAQ
History

Race Day Weather

partly-cloudy-day
75°at start
83° high
Breezy
Dry

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.

clear-night8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day7
cloudy7
partly-cloudy-day7
cloudy7
partly-cloudy-day7
partly-cloudy-day6
partly-cloudy-day6

Pace Calculator

Distance: 26.2mi
0:00:00
HH:MM:SS
Pace
—
Weather Adj.
—
Common Goals:

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.

Race Info

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.

Website
Area Map

Course Map

Course Map Unavailable

We don't have course map data for International Peace Marathon yet. If you have a GPX file (or other format) for this race, we'd love to add it!

FAQ

Ask a Question about the International Peace Marathon

Racecast Concierge (free during beta)

Ask a question about the International Peace Marathon and we'll do the hard part and find the answer for you within 48 hours.

By using Racecast Concierge, you agree to receive email alerts pertaining to the International Peace Marathon and general racecast.io updates.

When is the 2026 International Peace Marathon?

The 2026 International Peace Marathon will be held on Saturday September 5, 2026.

Is the International Peace Marathon a Boston Marathon Qualifier?

Yes, the International Peace Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 International Peace Marathon?

The forecast calls for a high of 83°F and a low of 73°F with a 0% chance of rain.

Historical Weather

Based on 18 years of data
Avg Temp
78°F
L:67° H:80°
RunScore
6
Conditions
Rain Freq
28%
5 of 18 yrs
Wind9mph
Dew59°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults

2025 International Peace Marathon

Partly cloudy throughout the day with rain clearing later.

2025
rain
62°/76°Light
8

2024 International Peace Marathon

Partly cloudy throughout the day.

2024
partly-cloudy-day
67°/85°-
7

2023 International Peace Marathon

Partly cloudy throughout the day with rain.

2023
partly-cloudy-day
73°/86°Light
6

2022 International Peace Marathon

Partly cloudy throughout the day.

2022
partly-cloudy-day
68°/81°-
7

2021 International Peace Marathon

Partly cloudy throughout the day.

2021
partly-cloudy-day
62°/78°-
8

2020 International Peace Marathon

Partly cloudy throughout the day with early morning rain.

2020
cloudy
69°/74°-
8

2019 International Peace Marathon

Partly cloudy throughout the day.

2019
clear-day
65°/84°-
7

2018 International Peace Marathon

Cloudy skies throughout the day with rain.

2018
cloudy
69°/76°Light
7

2017 International Peace Marathon

Partly cloudy throughout the day.

2017
partly-cloudy-day
69°/85°-
7

2016 International Peace Marathon

Partly cloudy throughout the day.

2016
partly-cloudy-day
78°/94°-
4

2015 International Peace Marathon

Partly cloudy throughout the day with rain in the morning and afternoon.

2015
cloudy
69°/75°Light
7

2014 International Peace Marathon

Partly cloudy throughout the day with afternoon rain.

2014
cloudy
66°/71°Light
7

2013 International Peace Marathon

Partly cloudy throughout the day.

2013
partly-cloudy-day
57°/71°-
8

2012 International Peace Marathon

Partly cloudy throughout the day.

2012
partly-cloudy-day
65°/77°-
7

2011 International Peace Marathon

Becoming cloudy in the afternoon with morning rain.

2011
partly-cloudy-day
70°/83°-
7

2010 International Peace Marathon

Partly cloudy throughout the day.

2010
partly-cloudy-day
61°/78°-
8

2008 International Peace Marathon

Clear conditions throughout the day.

2008
clear-day
67°/87°-
7

2007 International Peace Marathon

Partly cloudy throughout the day.

2007
partly-cloudy-day
67°/83°-
7

More DC Races

EOD Warrior Holiday Dash Marathon
2026-12-06 · 42.200km · Washington, DC, USA
Cherry Blossom 5K
2027-04-03 · 5.000km · Washington, DC, USA
Cherry Blossom 10 Mile
2027-04-04 · 16.090km · Washington, DC, USA
Potomac River Run Marathon
2027-05-01 · 42.200km · Washington, DC, USA
Capitol Hill Classic
2027-05-16 · 10.000km · Washington, DC, USA
Potomac River Run Marathon (Fall)
2026-10-17 · 42.200km · Washington, DC, USA
Free guidesMarathon Fueling Guide·Carb Loading Guide·Race Morning Guide·Race Day Gear Guide·Pacing Strategy Guide·Mental Strategy Guide

Submit a correction

Spot something wrong or missing for the International Peace Marathon? Let us know and we'll update it.

You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR

Submit a race

Missing a race? Send it in and we'll add it to Racecast.