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Birch Bay Marathon

Birch Bay, WA

Race Dates

2018: TBD
2017: Sunday, February 12, 2017

Course Information

Profile: Rolling Hills
Type: Multiple Out and Backs
Surface: Road/Pavement
Certified?: Yes

Race Day Weather

Mean Temp.: 41°F (5°C)
Average High: 49°F (9°C)
Average Low: 33° F (0°C)

Historical Weather

PR Score & Course Score

PR Score: 98.57
Course Score: 98.57

Race Size

2017: No Results
2016: 61 Finishers
2015: 68 Finishers

BQ Percentages

2017: N/A
2016: 9.8%
2015: 11.8%

Miscellaneous Information

Pace Groups?: No

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Course Description

The Birch Bay Marathon course is generally flat to very gently rolling, with the exception of a very short steep climb (about 30 feet) at the start of Harborview Rd., and a long gradual climb (330 feet) around miles 5 to 6.

Most of the course lies on the waterfront, with views over the water towards the mountains of Canada.

The road surface is smoothly paved and flat to very lightly cambered.

Marathon Rankings

The Birch Bay Marathon was the 517th largest marathon in the U.S. last year and was the 475th largest in 2015.

Last year 9.8% of finishers qualified for the Boston Marathon and 11.8% of runners qualified for Boston in 2015.

This gives the Birch Bay Marathon the 217th highest percentage of Boston Marathon qualifiers in the U.S. last year and the 133rd highest percentage in 2015.

Its Course Score of 98.57 ranks it as the 250th fastest marathon course in the U.S. and the 20th fastest course in Washington.

The typical race time temperature and humidity levels are within the ideal range for optimal marathon performance. This, coupled with the Course Score, gives the Birch Bay Marathon a PR Score of 98.57. This PR Score ranks it as the 194th fastest marathon in the U.S. and the 17th fastest in Washington.

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

Elevation Chart

Max Elevation: 215 feet (65m)
Min Elevation: 9 feet (2m)


Ratings & Reviews: None

Finish Time Equivalent

If you ran the Birch Bay Marathon in 4:39:00, 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.