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San Juan Island Marathon

Friday Harbor, WA

Race Dates

2018: TBD
2017: Sunday, June 18, 2017

Course Information

Profile: Hilly
Type: Loop
Surface: Road/Pavement
Certified?: Yes

Race Day Weather

Mean Temp.: 53°F (11°C)
Average High: 62°F (16°C)
Average Low: 44° F (6°C)

Historical Weather

PR Score & Course Score

PR Score: 91.58
Course Score: 92.36

Race Size

2017: No Results
2016: 13 Finishers
2015: 16 Finishers

BQ Percentages

2017: N/A
2016: N/A
2015: 12.5%

Miscellaneous Information

Pace Groups?: No

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Course Description

No course description available at this time.

Marathon Rankings

The San Juan Island Marathon was the 696th largest marathon in the U.S. last year and was the 652nd largest in 2015.

In 2015, 12.5% of finishers qualified for the Boston Marathon.

It ranks 116th in the U.S. in the percentage of finishers achieving Boston Marathon qualifying times in 2015.

Its Course Score of 92.36 ranks it as the 424th fastest marathon course in the U.S. and the 28th fastest course in Washington.

The typical race time temperature and humidity levels are above the ideal range for optimal marathon performance. This, coupled with the Course Score, gives the San Juan Island Marathon a PR Score of 91.58. This PR Score ranks it as the 427th fastest marathon in the U.S. and the 28th fastest in Washington.

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

Elevation Chart

Max Elevation: 359 feet (109m)
Min Elevation: 41 feet (12m)


Ratings & Reviews for the San Juan Island Marathon

0 Stars from 1 Reviews

review of 2014 San Juan Island Marathon.   

0 / 5 Stars


Intimate race with spectacular views but not a place to look for a PR.

Race Tips

Expect few crowds along the route and a bunch of hills.

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

Best to get to Friday Harbor the day before the race.

Finish Time Equivalent

If you ran the San Juan Island Marathon in 3:54:00, 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.