Are the 5k and 10k courses certified?

Yes, both the 5k and 10k courses are USATF-certified.

How are the race winners determined?

The top three overall finishers are determined by gun time, while age group awards are based on chip time.

Is there a discount for groups?

Yes, teams of 8 or more participants are eligible for fantastic discounts.

All races

Not affiliated with this event. Official website. We may earn a commission on registrations.

All races

Pre-Registration 2027 Plymouth Rock n Run

Thursday, November 25, 2027Anaheim, CA880 Yards – 10K

Celebrate Thanksgiving with a festive morning of fitness at the Plymouth Rock n Run in Anaheim. This event features USATF-certified 5k and 10k courses that wind through the scenic Yorba Regional Park and along the Santa Ana River Trail. Runners of all ages can participate, with dedicated 1k and tot trot events for children. The experience is capped off with a lively finish-line festival featuring live music, a costume contest, and delicious food. Whether you are chasing a personal best with chip timing or enjoying a holiday tradition with friends and family, this race offers something for everyone. Don't miss out on the custom finisher medals and team competitions that make this a standout community celebration.