The 2025 event has concluded.

Niagara Falls International Marathon

Niagara Falls, ON, CanadaOctober 26, 2025

Race Day Weather

clear-day
33°
49° high
Breezy
Dry

Cool start, steady progress

Runners will face a starting temperature of 33°F, gradually rising to 49°F. Wind will be from the S at 9 mph, providing a mild breeze. With humidity at 78% and a dew point of 34°F, runners should maintain a conservative pace early to acclimate to the conditions.

clear-night7
clear-night6
clear-night6
partly-cloudy-day7
partly-cloudy-day7
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day9
partly-cloudy-day9
clear-day8
Pre-raceRace windowPost-race

Welcome to the Niagara Falls Marathon, the beating heart of Niagara's running scene! As a passionate not-for-profit organization, we've crafted an extraordinary running experience for all. With a diverse history, our events offer an iconic world class view of Niagara Falls and breathtaking scenery along the Niagara River. Each race reflects our commitment to fun, community, and competition. Steeped in history since 1974, we've seen Olympic trials and revival in 1998 under Casino Niagara sponsorship. Join us in shaping the future of Niagara running where every stride is a celebration of our vibrant community! Source

Area Map

Course Map

FAQ

When is the 2025 Niagara Falls International Marathon?

The 2025 Niagara Falls International Marathon will be held on Sunday October 26, 2025.

Is the Niagara Falls International Marathon a Boston Marathon Qualifier?

Yes, the Niagara Falls International Marathon is an official Boston Marathon qualifier.

Historical Weather

Based on 23 years of data
Avg Temp
55°F
L:46° H:55°
RunScore
7
Conditions
Rain Freq
39%
9 of 23 yrs
Wind14mph
Dew43°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2024
clear-night
35°/54°-
8
2023
partly-cloudy-night
44°/52°-
6
2022
clear-night
47°/70°-
8
2019
clear-night
39°/63°-
8
2018
cloudy
46°/55°Light
8
2017
partly-cloudy-night
71°/78°-
5
2016
cloudy
47°/53°Light
7
2015
partly-cloudy-night
48°/54°-
6
2014
cloudy
48°/50°-
6
2013
partly-cloudy-night
36°/46°-
6
2012
clear-night
45°/59°-
8
2011
clear-night
38°/56°Light
8
2010
rain
53°/67°Light
8
2009
cloudy
45°/54°-
8
2008
cloudy
49°/57°-
6
2007
clear-night
37°/47°-
6
2006
cloudy
47°/52°Light
7
2005
rain
41°/43°Light
7
2004
cloudy
48°/53°Light
8
2003
rain
48°/50°Light
6
2002
partly-cloudy-night
46°/49°-
5
2001
partly-cloudy-night
52°/62°Light
7
2000
clear-night
44°/51°-
6