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The Improve Every Day Half Marathon
San Diego, California · Saturday, December 12, 2026 · Half Marathon, 4.4 Miles, 4 Miles
Official race page & registration ↗Saves stay on this device. Calendar entries use the listed date; confirm your distance and start time with the organizer.
The Improve Every Day Half Marathon takes place on Saturday, December 12, 2026 in San Diego, California. The race offers 3 distances: Half Marathon, 4.4 Miles, 4 Miles. For anyone travelling in, Chula Vista is about 7 miles away.
It is one of 172 races on the California calendar that December.
- Date
- Saturday, December 12, 2026
- Location
- San Diego, California
- Distances
- Half Marathon, 4.4 Miles, 4 Miles
- Entry fee
- from $25 across event options; may include kids or shorter events. Check distance-specific prices and fees.
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Correct this listing.
Making a race weekend of it?
Stay near the start line in San Diego: check in Dec 11, out Dec 13.
Common questions
When is The Improve Every Day Half Marathon?
The Improve Every Day Half Marathon is scheduled for Saturday, December 12, 2026.
Where is The Improve Every Day Half Marathon held?
The Improve Every Day Half Marathon is held in San Diego, California. It is about 7 miles from Chula Vista.
What distances does The Improve Every Day Half Marathon offer?
The listed distances are Half Marathon, 4.4 Miles, 4 Miles.
How much does The Improve Every Day Half Marathon cost?
Listed event options start from $25. This minimum may be for a kids or shorter event. Check the official race page for your distance's current price and any additional fees.
How do I register for The Improve Every Day Half Marathon?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
Within about 60 miles, ordered by approximate straight-line distance between listed locations.
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- Nov 27LIBERTY DOES BLACK FRIDAY !San Diego, CA
See every race on the California calendar, all San Diego races, California Half Marathons, or use the Race Finder for maps and filters.