2027 Phoenix Shamrock 10K / 5K Run/Walk

About the Event

Join StartLine Racing as we continue a March tradition in the valley!

The 11th Annual Shamrock 10K / 5K event will be taking place on

March 20th at Kiwanis Park in Tempe.

Mail-in and Virtual Registration

To register by mail please complete and return our Mail-in Registration Form! Please make checks payable to StartLine Racing. Mail-in registrations will be accepted until March 15, 2027.

Virtual Run Details

Of course we want you to participate in the Shamrock 10K, 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 swag 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! Please note that items will not be mailed out until after the event on March 20, 2027.

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

All Participants Receive:

Custom Event Medal for all participants

Choice of Custom Event Tech Shirt for all participants. Option to select a pair of compression arm sleeves or socks in place of the shirt.

Male and Female Age Group Awards for Top Three in all Age Groups for the 10K and 5K distances (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, 75-79, 80 & Over

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

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

Owned and operated by StartLine Racing!

Please note any race related items (shirts, medals, etc.) will NOT be mailed to those that do not attend.

Race Day Information

No roller blades/skates, skateboards or motorized devices are allowed on the run or walk courses.

Leashed pet friendly

We welcome wheelchairs, strollers & wagons.

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

Course Maps

5K Course Map

10K Course Map

Packet Pick-up Opportunities

Friday, March 19, 2027 from 3:00 - 6:00pm at Road Runner Sports in Tempe (map)

Road Runner is located at 43 S McClintock Drive, Tempe AZ 85288

You can also pickup your packet during on race day starting at 6:30am.

Event schedule

Fri, March 19, 2027 3:00 PM - Packet Pickup at Road Runner Sports in Tempe from 3-6pm
Sat, March 20, 2027 6:30 AM - Race Day Packet Pickup Opens
Sat, March 20, 2027 7:30 AM - 10K Run/Walk Begins
Sat, March 20, 2027 7:40 AM - Race day packet pickup closes
Sat, March 20, 2027 7:45 AM - 5K Run/Walk Begins
Sat, March 20, 2027 9:30 AM - Awards Ceremony Begins (approx.)

Races Offered

Mar 20, 2027

straighten

Distance — 2027K

terrain

Type — Running

timer

236 days remaining

sell

$30.00

Weather History

These values represent the 3-year monthly averages for March in Tempe.

thermostat Temperature

10.0° / 22.9°

wb_sunny Feels like

6.9° / 19.0°

light_mode Avg sunshine hours

10h 1m

water_drop Avg rainfall

1.6 mm

ac_unit Avg snowfall

—

air Avg wind speed

8.7 km/h (Light breeze)

opacity Sweat loss rate

Moderate

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (4.0)

humidity_mid Humidity

46.1%

wb_twilight Sunrise

06:35

nightlight Sunset

18:35

About Tempe

Learn more about the host city, Tempe.

Tempe is a city of 180,587 (2020) in the Greater Phoenix area of Arizona, best known as the home of Arizona State University (ASU). Its younger, student-heavy population allows it to offer a vibrant nightlife that is relatively rare in Arizona.