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Anaheim Semper 5K & 10K Run

Saturday May 15th, 2021

Anaheim, CA

Official Website


We are so excited to be back in 2021.  We missed you in 2020! 

The 2021  Anaheim Semper 5K&10K Run/Walk  hosted at spacious Riverdale Park in the heart of beautiful Anaheim Hills brings you all of the features and amenities you have come to expect from a quality, family-friendly road race  .... and more!  


We are continuing our Defending Freedom Collection series, where we feature a vehicle utilized by the 13th MEU on our finisher medals.  The 2019 race finisher medals featured the new "F-35 Fighter II".  Our 2021 medals will feature the "M1 Abrams Tank".  If you missed out on the first year, 2019, you can still sign up for the Virtual Run and get started on collecting all 5 years.  Option to sign up will be on the "add-on" page of the registration.  Limited supply of 2019 finisher medals available.  Don't miss out! Everyone who completes the 5 year series will be given a beautiful custom Commemorative Medal at the end. Go to our website at: semper5k.org to see all the medals in the series.

  • Accurate RFID chip timing for 5K&10K race 

  • Kid's Fun Run for ages 9 and under. Parents can run with their child(ren) but cannot register for the Kid's Fun Run

  • Medals and t-shirts given to all participants.

  • Group discounts and team competitions with special awards for the biggest team and the fastest team (based on top 5). Please note that only one discount will apply per entry and no discounts will apply to the Kid's Fun Run or the Virtual Run.  Group discounts are available starting January 1, 2020.    

  • Special awards to the top three overall male and female finishers in the 5K&10K race  

  • Medals three deep to top male and female 5K&10K age/gender category winners

  • Fabulous finish-line expo with freebies and handouts from a variety of area merchants

  • Best DJ in the entire state of California, to keep you entertained, dancing and informed throughout the event  

  • SPECIAL TREAT!  To pump you up and keep you moving, Marines and Sailors from the 13th MEU will be running alongside race participants  

  • Free bag check for the convenience of all event participants

  • BACK AGAIN:  OUR OVER THE TOP - SILENT AUCTION !!!!!!!!!  Don't miss out on the opportunity to bid on wonderful items. 

Race Day Schedule

6:00  -  7:45 AM       Late Registration / Packet Pick-Up

7:00  -  10:00 AM     Silent Auction open for bidding

8:00  AM:                 5K & 10K Start (Subject to change)

9:15  AM:                 Raffle & Overall Race Winners announced, Pass out Age Group Awards

9:30  AM:                 Kids Fun Run start 

10:15 AM:                Silent Auction check out

Race Distances

Price Register
5k $45.00 until Register »
10k $50.00 until Register »
Active Military - 5K $15.00 until Register »
Kids Fun Run $20.00 until Register »
Virtual Run $30.00 until Register »
Active Military 10K $15.00 until Register »
5k Click to Find Out Register »
10k Click to Find Out Register »
Kids Fun Run Click to Find Out Register »
Virtual Run Click to Find Out Register »
Active Military - 5K Click to Find Out Register »
Active Military 10K Click to Find Out Register »

Places to Stay

Get Directions

Start Location

4545 Riverdale Avenue, Anaheim, CA

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