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Ottawa Marathon

Ottawa, ON

Race Dates

2017: Sunday, May 28, 2017
2016: Sunday, May 29, 2016

Course Information

Profile: Mostly Flat
Type: Loop
Surface: Road/Pavement
Certified?: Yes

Race Day Weather

Mean Temp.: 64°F (17°C)
Average High: 74°F (23°C)
Average Low: 54° F (12°C)

Historical Weather

PR Score & Course Score

PR Score: 98.51
Course Score: 98.83

Race Size

2016: 4,181 Finishers
2015: 4,504 Finishers
2014: 5,425 Finishers

BQ Percentages

2017: N/A
2016: 15.1%
2015: 17.7%

Miscellaneous Information

Pace Groups?: Yes

Marathon Pace Bands & Elevation Wrist Bands

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Course Description

The Ottawa Marathon course is a relatively fast, scenic route with few elevation changes. It winds through some of Ottawa's most vibrant neighborhoods and popular landmarks.

Marathon Rankings

The Ottawa Marathon was the 1st largest marathon in Canada last year and was the 1st largest in 2015.

Last year 15.1% of finishers qualified for the Boston Marathon and 17.7% of runners qualified for Boston in 2015.

This gives the Ottawa Marathon the 21st highest percentage of Boston Marathon qualifiers in Canada last year and the 11th highest percentage in 2015.

Its Course Score of 98.83 ranks it as the 19th fastest marathon course in Canada and the 8th fastest course in Ontario.

The typical race time temperature and humidity levels are slightly above the ideal range for optimal marathon performance. This, coupled with the Course Score, gives the Ottawa Marathon a PR Score of 98.51. This PR Score ranks it as the 20th fastest marathon in Canada and the 8th fastest in Ontario.

Learn more about PR Scores and Course Scores on the FAQ page.

Elevation Chart

Max Elevation: 247 feet (75m)
Min Elevation: 147 feet (44m)


Ratings & Reviews for the Ottawa Marathon

4.5 Stars from 2 Reviews

review of 2016 Ottawa Marathon.   

4 / 5 Stars


Race Tips

Logistical Tips (Hotels, Restaurants, Parking, Discounts, etc.)

review of 2014 Ottawa Marathon.   

5 / 5 Stars


Fantastic organization. Every runner counts. Thousands of volunteers. Interesting and lovely course. Smooth registration, start. Huge community involvement. There is a half marathon, 10k, 5k, kids 2k all the same weekend - really a running festival.

Race Tips

Marathon sells out by January, half-marathon in November, so register as early as you can.

Logistical Tips (Hotels, Restaurants, Parking, Discounts, etc.)

Finish Time Equivalent

If you ran the Ottawa Marathon in 4:09:00, what would your time in the Boston Marathon be?

See how your race times would compare on other marathon courses using the Marathon Time Converter Tool.