Route 66 Marathon

Tulsa, OK, USA • November 22, 2026

Race Day Weather

42°

60° high

Breezy

Dry

Cool conditions, steady pace

Runners will face a temperature rising from 43°F to a comfortable 60°F. Wind will be a gentle headwind throughout at 11 mph, with gusts up to 27 mph. With humidity at 57% and a dew point of 37°F, conditions are favorable for maintaining a steady pace. It's advisable to stay hydrated, especially as temps increase.

Race day forecast available in 218 days

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Pre-raceRace windowPost-race

Run on the Mother of all Roads. The Williams Route 66 Marathon showcases the best of what Tulsa has to offer! Start your race in downtown Tulsa, home of the largest concentration of Art Deco architecture outside of Miami, and then make your way through Tulsa’s vibrant and diverse neighborhoods and the campus of Tulsa University. If there’s one thing you can count on at the Williams Route 66 Marathon, it’s tons of on-course support from the local community and plenty of fun. Our neighborhoods host block parties all along the course to welcome and cheer on the runners! The Williams Route 66 Marathon is a USATF certified course and a Boston Qualifier. Source

Course Map

FAQ

When is the 2026 Route 66 Marathon?

The 2026 Route 66 Marathon will be held on Sunday November 22, 2026.

Is the Route 66 Marathon a Boston Marathon Qualifier?

Yes, the Route 66 Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Route 66 Marathon?

The forecast calls for a high of 60°F and a low of 42°F with a 0% chance of rain.

Historical Weather

Based on 19 years of data

Avg Temp

58°F

L:41° H:58°

RunScore

Conditions

Rain Freq

1 of 19 yrs

Wind10mph

Dew35°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Route 66 Marathon Partly cloudy throughout the day with late afternoon rain. 2025	47°/52°	-	46°
2024 Route 66 Marathon Partly cloudy throughout the day. 2024	58°/76°	-	54°
2023 Route 66 Marathon Partly cloudy throughout the day with rain. 2023	50°/60°	Light	50°
2022 Route 66 Marathon Clear conditions throughout the day. 2022	24°/49°	-	18°
2021 Route 66 Marathon Partly cloudy throughout the day. 2021	53°/61°	-	38°
2019 Route 66 Marathon Clear conditions throughout the day. 2019	36°/70°	-	34°
2018 Route 66 Marathon Cloudy skies throughout the day with morning rain or snow. 2018	33°/34°	-	30°
2017 Route 66 Marathon Clear conditions throughout the day. 2017	37°/60°	-	28°
2016 Route 66 Marathon Clear conditions throughout the day. 2016	32°/61°	-	25°
2015 Route 66 Marathon Clear conditions throughout the day. 2015	30°/55°	-	25°
2014 Route 66 Marathon Cloudy skies throughout the day with rain. 2014	57°/65°	-	55°
2013 Route 66 Marathon Partly cloudy throughout the day. 2013	24°/30°	-	13°
2012 Route 66 Marathon Clear conditions throughout the day. 2012	38°/62°	-	28°
2011 Route 66 Marathon Cloudy skies throughout the day. 2011	37°/40°	-	34°
2010 Route 66 Marathon Partly cloudy throughout the day. 2010	65°/73°	-	60°
2009 Route 66 Marathon Clear conditions throughout the day. 2009	44°/66°	-	42°
2008 Route 66 Marathon Clear conditions throughout the day. 2008	37°/70°	-	26°
2007 Route 66 Marathon Partly cloudy throughout the day. 2007	47°/69°	-	53°
2006 Route 66 Marathon Clearing in the afternoon. 2006	39°/57°	-	26°