GET READY FOR A FUN & FAST HALF!

Welcome to the official registration page for the Austin International Half Marathon, formerly name 3M Half Marathon! Ready to blaze a trail through the heart of Austin? Join thousands of runners in this exhilarating race that combines the thrill of competition with the spirit of community. Our downhill-to-downtown course offers a unique running experience, and we can’t wait to see you at the starting line!

Why Run the Austin International Half Marathon?

  • Fast and Fun Course: Our net downhill course is perfect for setting a new personal record or enjoying a scenic run through Austin’s vibrant neighborhoods.
  • Awesome Swag: All participants receive a custom finisher’s medal, a high-quality technical shirt, and a race bib with chip timing.
  • Amazing Support: Our amazing volunteer crew, sponsors, and spectators can’t be matched!
  • Post-Race Party: Celebrate your achievement with live music, food, and festivities at our post-race party in downtown Austin!

Get ready to embrace the energy, speed, and excitement of the Austin International Half Marathon. Whether you’re a seasoned runner or a first-timer, this race is all about pushing your limits and having a blast. So get your shoes tied, get your friends involved, and get ready to run #DownhilltoDowntown y’all!

Register Now

Important Information

  • Race Date: January 19, 2025
  • Start Time: 7:30 AM
  • Location: Starts at Stonelake Blvd, finishes at Texas State Capitol
  • Registration: Registration will stay open online through the Saturday January 18th or until we sell out.

QuickReg lets you sign up with a shortened form. You’ll receive a link to complete the full form later, making it perfect for quick sign-ups on your phone or when time is limited. It’s also great for gifting and signing up others.

Current Price

Have Questions?

We’ve got answers! From registration details to race day logistics, everything you need to know is just a click away. This website is full of information plus we have a comprehensive FAQ page. Including information on our name change from the 3M Half Marathon to the Austin International Half.

You can find information on refunds and transfers, here.  If you can’t find what you’re looking for, feel free to contact us directly at info@runAIH.com or by clicking the red live chat icon in the corner of the screen.

Perks

Check out These Perks!

  • Participant Shirt
  • Fun and Fantastic Finisher Medal
  • 2 Day Health & Fitness Expo
  • On Course Bands
  • USATF Certified Course
  • Professional Timing & Photography
  • Downtown Finisher Festival
  • and More!

WANT TO MAKE SURE YOU ARE REGISTERED?

Click here to do so! Simply click Log In at the top of the screen and create an account and see your registrations.