Mainly Marathons Southwest Series - Day 4
Flagstaff, Arizona, United States
Nov 11, 2026 - Wednesday
5k, 10k, 50k, Half-marathon, Marathon, Ultra
Video
Race Information
Southwest Series is organized by Mainly Marathons, one of the largest race organizers in the US, with races in all 50 states. You can participate in one race or take the challenge to complete the whole series!
Mainly Marathons races are designed for runners who run long and run often. All finishers in races longer than half marathon get a custom metal-stamped nameplate!
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Run Pick of the Month: Surf City Marathon
Huntington Beach, CA - Sunday February 7, 2027
Why We Like This Run
- Breathtaking oceanfront scenery
- Fast, flat, and Boston-qualifying
- An incredible post-race beach festival
Lace up and join the tradition at the iconic Surf City Marathon, Half Marathon & 5K in Huntington Beach! Imagine chasing the sunrise alongside crashing Pacific waves, feeling the ocean breeze, and running down the legendary Pacific Coast Highway.
Whether you're chasing a personal record, aiming for a Boston Qualifier, or soaking in the vibrant beach culture, this is your invitation to own the open road and celebrate with an epic oceanfront finish festival.
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Race Facts
Race Size: 1 - 100
Elevation: Fast and Flat
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
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