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Race Dates

2017: TBD
2016: Sunday, September 18, 2016

Course Information

Profile: Mostly Flat
Type: Multiple Out and Backs
Surface: Mostly on Road/Pavement
Certified?: Yes

Race Day Weather

Mean Temp.: 60°F (15°C)
Average High: 68°F (20°C)
Average Low: 51° F (10°C)

Historical Weather

PR Score & Course Score

PR Score: 97.99
Course Score: 98.48

Race Size

2017: No Results
2016: 173 Finishers
2015: No Results

BQ Percentages

2017: N/A
2016: 9.3%
2015: N/A

Miscellaneous Information

Pace Groups?: No

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Course Description

The 2017 Half Moon Bay International Marathon has been cancelled**

The Half Moon Bay International Marathon course features 26 miles all along the Pacific coastline.

The course is made up of two out-and-back sections along paved paths and 7.5 miles of hard-packed dirt paths, and a short amount of residential streets.

Marathon Rankings

The Half Moon Bay International Marathon was the 300th largest marathon in the U.S. last year.

Its Course Score of 98.48 ranks it as the 275th fastest marathon course in the U.S. and the 20th fastest course in California.

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 Half Moon Bay International Marathon a PR Score of 97.99. This PR Score ranks it as the 264th fastest marathon in the U.S. and the 18th fastest in California.

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

Elevation Chart

Max Elevation: 170 feet (51m)
Min Elevation: 5 feet (1m)


Recent Half Moon Bay International Marathon Reviews

5 Stars from 1 Reviews
View all Reviews

review of 2013 Half Moon Bay International Marathon.   

5 / 5 Stars


This is a relatively small, very scenic race with a mix of road and trail, with enough hills to make the course challenging but not overwhelming. While the weather has been very good for running in the two years that I've done the race, the course itself is probably not conducive to setting a PR. With the trails, hills, and sometimes narrow paths on the trails with runners going in both directions, it is tough to find a groove and stay at your ideal pace. That said, it is a fun, wonderful race if you focus more on enjoying the run and less on your watch.

Race Tips

Examine the course description and map carefully. In 2013, the course direction was reversed putting the hills towards the end rather than the beginning. Note also that in my opinion, the course description and course profile on the race web site don't really accurately portray how much trail and hills are on the course. This may be because I'm a mid to back of the pack runner. However, I've seen similar comments in the blogs of much faster runners too.

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

Arrive really early as the roads into Half Moon Bay will get jammed quickly as it gets closer to the start time.

Finish Time Equivalent

If you ran the Half Moon Bay International Marathon in 3:23:00, 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.