Predict the 2027 Boston Cut-off Time and win a great prize and bragging rights among all your running friends.
Submit Your PredictionCosta Mesa, CA
Sunday, May 2, 2027




5 Stars from 7 ReviewsDon't waste months of training only to run the wrong pace.
OC Marathon Pace Bands are adjusted for the specific terrain of the course, your goal time and pacing strategies.
Only $9.99
Race Dates
2027: Sunday, May 2, 2027Course Information
Profile: Mostly FlatRace Day Weather
Mean Temp.: 63°F (17°C)PR Score & Course Score
PR Score: 98.55Race Size
2026: 3,563 FinishersBQ Percentages
2026: 3.6%Miscellaneous Information
Pace Groups?: Yes
Race Day Temperatures |
High: 67°F (19°C) |
Race Start Conditions |
57°F (14°C) |
PR Score |
97.76 |
Course Score |
99.04 |
The OC Marathon was the 30th largest marathon in the U.S. in 2025 based on the number of finishers. In 2024, it ranked as the 28th largest marathon in the U.S..
In 2026, 3.6% of OC Marathon finishers have achieved Boston Marathon qualifying times. In 2025, 4.6% of finishers qualified for the Boston Marathon.
Based on its percentage of Boston Qualifiers (BQs), the OC Marathon ranked 303rd among marathons in the U.S. in 2025 and currently ranks 220th so far in 2026. In California, it ranked 20th in 2025 and 19th so far in 2026. These rankings provide a useful benchmark for comparing the OC Marathon with other Boston Marathon qualifying races.
The OC Marathon has a Course Score of 99.05, ranking it as the 210th fastest marathon course in the U.S. and the 18th fastest marathon course in California.
Typical race-time temperature and humidity levels are slightly above the ideal range for optimal marathon performance. Combined with the course profile, this gives the OC Marathon a PR Score of 98.55. The PR Score ranks the OC Marathon as the 228th best marathon in the U.S. for running a Personal Record (PR) and the 15th best marathon for a PR in California.
Together, these rankings provide a quick snapshot of how the OC Marathon compares with other marathons in the U.S. and California for speed, PR potential, Boston Marathon qualifying success, and overall participation.
Max Elevation: 254 feet (77m)
Min Elevation: 9 feet (2m)
Elevation Gain: 559 feet (170m)
Elevation Loss: 681 feet (207m)
View available accomodations around the OC Marathon Finish Line and Course. Book your Reservation now before the best places are sold out.
For a better mobile or desktop experience:
Use tools below to compare races and convert times across courses.
Do you want to see how the OC Marathon stacks up against other marathons?
Compare the details of the OC Marathon side-by-side with other marathons with our Comparison Tool.
If you ran the OC Marathon in 5:45:00, what would your time in other marathons be?
See how your finish time would compare on other marathon courses with our Time Conversion Tool.




Scenic Course. Well organized. Awesome swag!
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Scenic Course & Positive Vibes!!!
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My favorite and 1st Marathon
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Great course for a PR
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Great race
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