Stonelake Blvd


Sunday, January 21st
7:30 AM

Welcome to the 3M Half Marathon!

The 3M Half Marathon welcomes new runners and challenges old pros. The downhill to downtown course is a fast and fun race fueled by live music and cheering fans along the 13.1 mile USA Track & Field sanctioned course in the heart of Texas. Avid runners PR and newcomers finish with style as they pass the finish line and are greeted with a lively downtown festival.

Check out the other pages of our website for everything from course maps to spectator information. Having trouble finding what you are looking for? Use our live chat located on the bottom right-hand corner of the screen.

We look forward to seeing you at Downhill to Downtown on 01.21.2024!


Online Registration

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The Latest From Our Blog

With start time temperature in the low-40s and 10 mile per hour tailwind, the 29th annual 3M Half Marathon presented by Under Armour made for ideal running conditions.  Over 6000 runners from 47 states and 11 countries registered for the event that took place on Sunday, January 22nd.  Participants ran Austin’s streets on one of the fastest 13.1-mile courses in the country.  The day was highlighted by hundreds of personal records and an uplifting overall vibe from the running community. 
High Five Events, one of the largest privately owned event production companies in the United States, is putting the final touches on the 3M Half Marathon presented by Under Armour.  More than 6000 participants have registered, with 46 states and 11 countries represented.  The 29th annual 3M Half Marathon will take place on January 22, 2023 in Austin, Texas.
The 3M Half Marathon has finalized the lineup for its on-course entertainment for the point-to-point race happening this Sunday, January 22 in Austin, Texas. The ten local bands and DJ join the race-day excitement and perform live music for participants along the 13.1 mile course.
High Five Events, one of the largest privately owned event production companies in the United States, pens sponsorship deal with EIGHT Beer making it the Official Beer of the 3M Half Marathon. 

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Don’t take our word for it, here is what our participants say

I had a great time and shaved over 10 minutes of my PB! Thanks 3M Half Marathon!!

There really is a “runners high!” And today’s 3M Half Marathon has me smiling from ear to ear! Austin is such a great running city!

Had an incredible morning thanks to 3m half marathon and smashed my previous PR by over 12mins! Not mad at it 😀 #runnerbliss

Big thanks to all the volunteers. And all the ATX folks out there to cheer us on. Always a 1st class event and so much fun!

The 3M Half is a fantastic event. The shirts and swag are awesome, the medals are impressive, and the post-event venue can’t be beat.

Thank You to Our Sponsors