Thunderbolt Creek 30k


REGISTRATION IS OPEN FOR 2018!  Sign up here:  Ultrasignup logo

Saturday, July 21st, 2018 — 8:00 AM start

2017 Results are posted here, and at UltraSignup.

Congratulations to Nico Composto and Jenny Wolfe, our men’s and women’s winners! Nico smashed the 30k course record in a time of 2:07:49.

photo - Thunderbolt Creek 30k men's winner

2017 winner Nico Composto

photo of Jenny Wolfe, women's winner - Michael Chapman photo

Women’s winner Jenny Wolfe













See more of Mike Chapman’s great photos here.

Saturday, July 21st, 2018, 8:00 AM Start

This is an out and back 30K on the Continental Divide Trail (CDT). This course is very scenic and non-technical with approximately 3000 feet of climbing. If you love trail running this is a must for your calendar. Expect to get your feet wet! See below for more details.

yield to horses signPLEASE NOTE: There are crews on horseback as well as hikers on this trail. Runners MUST yield to horses and hikers. If you encounter horses, please step off the trail to the UPHILL side for your safety.


New for 2017: The Thunderbolt Creek 30k is part of the Treasure State Trail Series (TSTS), organized by Montana Trail Crew! This eleven-race series begins with the Don’t Fence Me In 30k in Helena on May 13 and ends with the Elk Ramble 15k in Missoula on November 4. Also, TSTS has announced that Altra Running is a series sponsor. At the end of the series, the top 5 men and top 5 women will receive Altra shoes and/or apparel. The men’s and women’s series winner will be crowned Montana Trail Running State Champion for 2017 and will receive a special prize package from Altra.

We’re proud that the Thunderbolt Creek 30k is part of this sub-ultra distance race series. For more information about other events in the series, visit the TSTS page on the Montana Trail Crew website.

Entry Fee: $60 plus a small processing fee charged by UltraSignup. You can still register online at the same affordable price through Wednesday, July 12 at Ultrasignup logo.

Field Limit: 100 runners.

What You Get: Tech shirt (if registered by June 21), great pizza, great beer, 4 aid stations, unique overall and age-group prizes, and scenery out the wazoo!

Also, mention the race and get a 10% discount on a room at historic Boulder Hot Springs, approximately 30 miles east of the race site near Boulder, MT.

Packet Pick-Up: Race morning at the start/finish line.

Driving Directions:  From Helena, take Exit 151 (Bernice exit) off I-15 between Basin and Butte. Head west and follow signs toward Boulder River Rd #82. Next, take a right toward White House Campground (watch for race signs). At the Campground sign, turn right and go 1.7 miles. Where the road ends, you’ll see the race tent and parking near the Continental Divide Trailhead to Cottonwood Lake.

Course Map (click map to view in a new window so you can zoom in)


Awards Ceremony:  12:00 PM at the finish line.

Brian at Thunderbolt Creek

Start area on Continental Divide Trail

2017 Results

Past Results

2017 – Official
2014 – Official
2013 – Official
2011 – Official

We thank all of our sponsors for financial or in-kind support for the Thunderbolt Creek 30k!

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