Naperville Half Marathon, 10k, & 5K

Looking for a spectacular course to run a half marathon, 10K or 5K? Check out the Naperville Half Marathon Races that take you through beautiful downtown Naperville!

$5 off the 13.1 & 10k with code SUMMER2026

Register using the 🔗 in our Bio!

Offer valid through 11:59pm CDT on 6/20/26. Cannot be combined with any other offers.

Naperville Half Marathon Races | Naperville, Illinois The Naperville Half Marathon, 10K & 5K are spectator-filled, high-energy races on a cool October morning, featuring Naperville’s lively downtown, historic sights and beautiful neighborhoods.

If interested in a Legacy Medal, make sure you register by the deadline 10/10/26.

Legacy award status has been updated on our website as of 6/1!

Head to the 'Info' tab, then 'Awards'. Scroll down to find your applicable candidate list!

🔗 in bio!

napervillehalfmarathonraces

Forgot to sign up before the price increase? This week is your lucky week! 6/1-6/5 enjoy extended May pricing!

$5 off the Half & 10k with code MAYPRICE2026

Register using the 🔗 in our Bio!

Offer valid through 11:59pm CDT on 6/5/26. Cannot be combined with any other offers.

Register before 11:59PM on 5/31 to save!

Website 🔗 in Bio!

Stars, stripes, and finish lines. 🇺🇸

Today we honor and remember those who gave their lives for our freedom. Thank you from all of us at the Naperville Half Marathon Races.

Run with purpose, honor the legacy, and represent every stride in official Naperville Half Marathon, 10k & 5k merch.

We are excited to welcome back Raising Cane's as a returning sponsor for the Naperville Half Marathon Races!

Please join us in giving them a huge THANK YOU for their support!

To learn more about becoming a sponsor, check out our website using the 🔗 in our Bio>Get Involved>Sponsors.

We’re proud to have as a partner for the 2026 Naperville Half Marathon and Endeavor 10K & 5K races. 🏃🏃‍♀️🏃‍♂️

From now until 6/30/26, customers who show their Naperville Half Marathon, 10k or 5k registration confirmation email can receive $25 off a full synthetic oil change and tire rotation! 🚗 🚙