raceIQ

Running races in Irvine, CA

15 upcoming running races in Irvine, CA — half marathons, with dates and field depth before you enter.

All races in California Races near me
Most competitive fields

Ranked by how fast the front of the field ran in recent editions, compared with every race we track at that distance.

  1. 1IRVINE 4th of July-Red, White, & Blue 5k & 1 MileSun, Jul 4IRVINE5K Competitive
  2. 2The Rabbit Run 5k & OC Challenge Wild Hare 5k & Half Marathon IRVINESat, Mar 27Irvine5KHalf marathon Competitive
  3. 3Irvine/Orange County Turkey Trot 5K & 1 MileThu, Nov 26Irvine5K Competitive
  4. 4Run for a Claus presented by Optima Tax ReliefSat, Dec 19Irvine5K Local
  5. 5Splash Dash 5k (& Dry Run 5k) at Wild Rivers in IrvineSun, Aug 22Irvine5K

Which of these could you place in? raceIQ ranks them by where your pace would finish, in your age group and gender.

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November 2026

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August 2027