Niagara Ultra Races Marathon

Niagara-on-the-Lake, ON, Canada • June 20, 2026

Race Day Weather

63°

74° high

Breezy

Dry

Warming day, adjust pace early

Runners will face a temperature rise from 63°F to 73°F, with average humidity at 73% and a dew point of 59°F. A light headwind at 8 mph will be present throughout. Given the heat and humidity, it's advisable for runners to start conservatively and hydrate frequently.

Race day forecast available in 85 days

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Pre-raceRace windowPost-race

Course Map

FAQ

When is the 2026 Niagara Ultra Races Marathon?

The 2026 Niagara Ultra Races Marathon will be held on Saturday June 20, 2026.

Is the Niagara Ultra Races Marathon a Boston Marathon Qualifier?

Yes, the Niagara Ultra Races Marathon is an official Boston Marathon qualifier.

What is the time limit for the Niagara Ultra Races Marathon?

The time limit for the Niagara Ultra Races Marathon is 6 hours.

Historical Weather

Based on 24 years of data

Avg Temp

73°F

L:64° H:73°

RunScore

Conditions

Rain Freq

25%

6 of 24 yrs

Wind9mph

Dew57°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Niagara Ultra Races Marathon Clear conditions throughout the day with morning rain. 2025	66°/82°	Light	66°
2024 Niagara Ultra Races Marathon Clear conditions throughout the day. 2024	60°/65°	-	51°
2023 Niagara Ultra Races Marathon Clear conditions throughout the day. 2023	61°/73°	-	56°
2022 Niagara Ultra Races Marathon Clearing in the afternoon. 2022	56°/63°	-	46°
2019 Niagara Ultra Races Marathon Partly cloudy throughout the day with late afternoon rain. 2019	64°/67°	-	52°
2018 Niagara Ultra Races Marathon Clear conditions throughout the day. 2018	63°/77°	-	56°
2017 Niagara Ultra Races Marathon Clearing in the afternoon. 2017	71°/85°	-	65°
2016 Niagara Ultra Races Marathon Becoming cloudy in the afternoon. 2016	66°/78°	-	51°
2015 Niagara Ultra Races Marathon Partly cloudy throughout the day. 2015	58°/65°	-	55°
2014 Niagara Ultra Races Marathon Partly cloudy throughout the day with morning rain. 2014	54°/63°	Light	47°
2013 Niagara Ultra Races Marathon Partly cloudy throughout the day with late afternoon rain. 2013	69°/80°	-	60°
2012 Niagara Ultra Races Marathon Partly cloudy throughout the day. 2012	64°/74°	-	55°
2011 Niagara Ultra Races Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2011	65°/73°	Light	58°
2010 Niagara Ultra Races Marathon Partly cloudy throughout the day. 2010	73°/78°	-	64°
2009 Niagara Ultra Races Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2009	59°/61°	Light	58°
2008 Niagara Ultra Races Marathon Partly cloudy throughout the day. 2008	54°/59°	-	48°
2007 Niagara Ultra Races Marathon Partly cloudy throughout the day. 2007	59°/66°	-	44°
2006 Niagara Ultra Races Marathon Partly cloudy throughout the day. 2006	62°/71°	-	59°
2005 Niagara Ultra Races Marathon Partly cloudy throughout the day with late afternoon rain. 2005	76°/86°	-	64°
2004 Niagara Ultra Races Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2004	55°/66°	Light	52°
2003 Niagara Ultra Races Marathon Partly cloudy throughout the day with early morning rain. 2003	67°/79°	-	54°
2002 Niagara Ultra Races Marathon Partly cloudy throughout the day. 2002	65°/80°	-	59°
2001 Niagara Ultra Races Marathon Partly cloudy throughout the day with rain. 2001	75°/86°	Light	65°
2000 Niagara Ultra Races Marathon Partly cloudy throughout the day with rain. 2000	64°/78°	-	62°