01.17.2021 | AUSTIN, TEXAS 2020 Results Register Now
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Welcome to the 3M Half Marathon!

Join more than 7,500 fellow runners in Austin, Texas, to run a personal best at the 3M Half Marathon. 3M Half is a fun and fast stand-alone half marathon boasting one of the fastest 13.1-mile courses in the country. You’ll enjoy a point-to-point course with mostly downhill running, run past some of Austin’s finest locations, and finish downtown near the Texas State Capitol. Cross the finish line, grab your hefty one-of-a-kind “spinner” finisher medal, and celebrate at the energetic finish line festival, complete with a beer garden!

Check out the other pages of our website for everything from course maps to spectator information. Having trouble finding what you are looking for? Click one of the four icons in the upper righthand corner to ask us on social media or send us an email.

We look forward to seeing you at Downhill to Downtown on 01.17.2021!

2021 Online Registration

The Latest From Our Blog

Image of Camp Gladiator trainers cheering for participants of the 2019 3M Half Marathon. CG returns as the Official Community Fitness Partner of the 3M Half Marathon for the second year in a row.
This is second year for CG to be Official Community Fitness Partner High Five Events names Camp Gladiator (CG) as the Official Community Fitness Partner of the 2020 3M Half Marathon presented by Under Armour. The agreement marks the second…
Image of two hands displaying the 26th annual 3M Half Marathon presented by Under Armour finisher medal.
Thousands will chase their 13.1-mile PR at the 26th annual 3M Half Marathon High Five Events is putting the final touches on the 3M Half Marathon presented by Under Armour. More than 6500 participants have registered, with 47 states and 20…
Image of GU gels arranged in a circle by the color of their package. GU is the Official Energy Gel and Chew of the 3M Half Marathon. Their advice in this blog will help you perform your best on race day!
Following GU’s nutrition planner can help you perform your best You train for months to chase your 13.1-mile PR at 3M Half Marathon. All of your hard work leads up to Sunday, January 19th. GU Energy Labs, the Official Energy Gel and Chew…
Image of 10 different flavored GU Energy Gels laying on the ground. GU Energy Labs is the Official Energy Gel and Chew of the 2020 3M Half Marathon presented by Under Armour.
GU is 3M Half Marathon’s Official Energy Gel and Chew High Five Events names GU Energy Labs (GU) as the Official Energy Gel and Chew of the 2020 3M Half Marathon presented by Under Armour. GU will support participants at the on-course Nutrition…

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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!!

B. Williams

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!

C. Windler

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

S. Conger

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!

D. Rawlings

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.

A. Wadey

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