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March 05, 2023

2023 Arizona Half Marathon - 10K - 5K

Rio Vista Park • 8866 W. Thunderbird Road (follow road to back of the park near the playground) PeoriaAZ  85381 Organized by StartLine Sports LLC $25 instant refund on this event with gift card.

About this event

As of March 2nd the half marathon distance has sold out.

Join us for the 2nd annual


It's Better in the Desert!

This event will feature a half marathon, 10K and 5K distances at

Rio Vista Park in Peoria, Arizona.

This event is is limited to 700 participants.

Event details and schedule

Half Marathon Course Map

10K Course Map

5K Course Map

Mail-in Registration Form

To register by mail please complete and return our Mail-in Registration Form! Please make checks payable to StartLine Racing.

Virtual Run Details

Of course we want you to participate in the Arizona Half Marathon, 10K and 5K event locally but we know things come up. So, if you can't join us on race day and still want to run, get the medal and the shirt then you still can! Here is your way to take part in this event no matter where you are! And of course, all prices include shipping! Prior to the event all virtual participants will receive an email with instructions on how to submit your time. Please note that all items will be shipped following the event on March 5th.

Virtual Registrations are restricted to US addresses only. If you reside outside of the US and wish to participate please contact StartLine Racing at info@startlineracing.com

What You Get!

Custom Event Finisher's Medal for all participants

Custom Event Dri-Fit Tech T-Shirt for all participants. Choice of short sleeve, or tank.

Age Group Awards for Top Three in all Age Groups in the half marathon, 10K, and 5K (Race Day Participants only). Our age groups are the following:

  • 8 & Under, 9 & 10, 11-13, 14-17, 18-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75 & Over

Pre- and Post-Race "Runner's Brunch" (granola bars, fruit, water, Gatorade, etc)

Chip Timed with Real Time Results and Photos on our Website or Mobile App (on Apple and Google)

Owned and operated by StartLine Racing!

Water Station and Course Support Information

Water stations will be located at:

  • Half Marathon: Miles 1.5, 3.1, 4.6, 6.15, 7.3, 8.45 (turnaround), 9.6, 10.7, and 12.25
  • 10K: Miles .78, 2.25, 3.8 (turnaround), and 5.35
  • 5K: Miles .78 and 2.25 (turnaround)

GU Gels will be available at miles 7.3 and 9.6 for the half marathon participants

Restrooms will be located on the course at:

  • Half Marathon: Miles 4.4, 7.3, 9.6, and 12.5
  • 10K: Miles 2.1 and 5.5

The cut-off time for the Half Marathon will be 4 hours.

Race Day Information

We accept cash, check, and credit cards on race day.

Prices on race will be:

  • Half Marathon - $85
  • 10K - $55
  • 5K - $45

Stroller friendly event. Strollers and Walkers MUST start at the back of the pack.

Leashed pet friendly event

Due to the common start/finish line, there is no bag check for this event.

The course will take you through dedicated running trails (all asphalt and concrete) of the New River Trail System, starting and ending at Rio Vista Park in Peoria - meaning no need for transportation before or after the race just to get back to your car! Please note - this is an open use trail system and does not close for our event.

This event will take place rain or shine. There are no refunds or transfers due to weather.

Packet Pick-Up Opportunities

Packet Pick-up is available on Saturday, March 4th from 2-5pm at Road Runner Sports in N. Phoenix

  • Road Runner Sports is located at 7077 E Mayo Blvd, Suite 150, Phoenix, AZ 85054 (map)

On race day starting at 6:30am at Rio Vista Park (race site)

Event schedule

  • March 4 2:00 PM - Packet Pick-up at Road Runner Sports in N. Phoenix from 2-5pm
  • March 5 6:30 AM - Race Day Packet Pick-up and Registration Opens
  • March 5 7:30 AM - Half Marathon Begins
  • March 5 7:40 AM - 10K Begins
  • March 5 7:50 AM - 5K Begins
  • March 5 8:50 AM - Awards Ceremony Begins (approx.


Rio Vista Park

8866 W. Thunderbird Road (follow road to back of the park near the playground) PeoriaAZ  85381

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Get $25 cash refund on this event


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