National Park Half Marathons
Life's too short to waste too many weekends at crowded races in dirty cities with cups all over the ground and smog in the air. Since we launched in 2012 over 40,000 people have joined us at some of the world's most serene locations to run, explore, and make lasting memories.
Zion Half Marathon
Yosemite Half Marathon
Grand Teton Half Marathon & 5K
Yellowstone Half Marathon & 5K
Grand Canyon Half Marathon
Glacier Half Marathon
Rocky Mountain Half Marathon & 5K
Great Smoky Mountains Half Marathon & 5K
Mount Rushmore Half Marathon
Lake Powell Half Marathon
Joshua Tree Half Marathon
Antelope Canyon Half Marathon Trail Run
Zion Half Marathon Trail Run
Bryce Canyon Half Marathon Trail Run
Not sure you're ready to run a half marathon? Custom training plans are available for each half marathon in the series. These training plans (available on iPhone and Android and email) will help you get in shape and be prepared for each unique course.
Looking for a trail race? You'll love Trailfest, a 3-day festival celebrating nature, friends, and trail running!
Looking for a bigger challenge? Check out our Ultra Marathons series with distances of 100 miles, 100K, 50 miles, 50K, and some trail half marathons.
By far the best race and National Park I have ever been to
The Half Twisted Runners brought 33 runners to this years event and looking to bring more in 2018. This is by far the best race and National Park I have ever been to. You dont have to take my word for it........come check it out for yourself.
Glacier Half Marathon Runner
A tricky, first half marathon, but I'll be back... Looking forward to next year!
Rocky Mountain Half Marathon Runner
Awesome race - thank you!!!
Lake Powell Half Marathon Runner
You all did a fantastic job putting this race on! Thank you!
Shenandoah Half Marathon Runner
Most beautiful place on Earth
Most beautiful place on Earth.
Glacier Half Marathon Runner
Thank you for an amazingly beautiful and well run event!
Lake Powell Half Marathon Runner
I love Vacation Races
Yes!!! I'm going [to Yosemite] in 2018 and I am super excited, but first Grand Canyon Half Marathon, Lake Powell Half marathon, Zion Half marathon... :) I love Vacation Races races...can you tell? ;)
Superfan
Wonderful Race. I was able to break my PR in 2017.
Lake Powell Half Marathon Runner
loved this race
Lake Powell Half Marathon Runner