This year’s event features a 9 Mile and Half Marathon distance. Both courses feature incredible Ozark-like bluff views through Cuivre River State Park.

Participants will receive a lightweight full zip hoodie and a custom finisher medal as well as post-race grilled cheese sandwiches, snacks, beer, and other refreshments. Registration is limited to 375 participants. Please reference below for distance cutoff times before registering.

9 Mile Trail Run

This event takes place on single-track trails with various terrain and footing types. In order to prevent trail congestion, runners are sent in waves based on their estimated current 10K race pace on roads. Course distance is subject to possible change at the discretion of the park or the race directors to provide a safe and enjoyable event. Note – We have a course cutoff time of 4 hours.

Half Marathon Trail Run

This event takes place on single-track trails with various terrain and footing types. In order to prevent trail congestion, runners are sent in waves based on their estimated current half-marathon race pace on roads. Course distance is subject to possible change at the discretion of the park or the race directors to provide a safe and enjoyable event. Note – We have a course cutoff time of 4 hours.

Cuivre River State Park is located in Troy, Missouri. Runners are sent onto the race course in waves of 30-35 that have been seeded according to their predicted pace for a road half marathon & 10K race.

This year’s course will include incredible bluff views. Along the course, runners can expect wide fireman roads, narrow single-track trails, rolling hills, steep climbs (but not too many), and numerous creek crossings through the bottomland forest of Big Sugar Creek. Participants should also expect to experience your average Midwest rocks, roots, and mud, along with some spectacular wildlife. The striking views along the course will remind you of the famous Missouri Ozarks. The course offers new challenges for every level while enjoying the fantastic scenery.

Dogs are not permitted on the course or in the race.

A three-day trail running race on the legendary singletrack of Moab, Utah!

Moab Run the Rocks lets you pick your poison so you have the best chance of achieving your goals on some of the most sought-after singletrack on the planet. Choose between two stage race lengths—The Full Pint or The Half Pint—each consisting of three stages held over three days. Or, join us for a single day on either stage 2 or 3.

For runners looking to fill their cup, The Full Pint offers a spectacular route totaling 53.6 miles (85.6km) and 4,480 ft (1,356m) of vertical gain. And for those interested in a shorter challenge that doesn’t hold back on thrilling terrain, The Half Pint delivers a route totaling 33.1 miles (53.1km) and 2,670 ft (811m) of vertical gain. No matter which length you choose, fun is sure to be had by all during this unique stage race and spring trail running festival.

Registration is limited to 400 racers.

The Full Pint
At 53.6 miles (85.6km) and 4,480 ft (1,356m) of vertical gain, The Full Pint is for those who want to experience as much of Moab’s legendary singletrack as possible in the short time you’re with us.

The Half Pint
For those that are looking for something a little less intense, we present The Half Pint. It has all the flavor without the volume, and at 33.1 miles (53.1km) and 2,670 ft (811m) of vertical gain, this challenging course highlights some of Moab’s finest singletrack.

A three-day trail running race on the legendary singletrack of Moab, Utah!

Moab Run the Rocks lets you pick your poison so you have the best chance of achieving your goals on some of the most sought-after singletrack on the planet. Choose between two stage race lengths—The Full Pint or The Half Pint—each consisting of three stages held over three days. Or, join us for a single day on either stage 2 or 3.

For runners looking to fill their cup, The Full Pint offers a spectacular route totaling 53.6 miles (85.6km) and 4,480 ft (1,356m) of vertical gain. And for those interested in a shorter challenge that doesn’t hold back on thrilling terrain, The Half Pint delivers a route totaling 33.1 miles (53.1km) and 2,670 ft (811m) of vertical gain. No matter which length you choose, fun is sure to be had by all during this unique stage race and spring trail running festival.

Registration is limited to 400 racers.

The Full Pint
At 53.6 miles (85.6km) and 4,480 ft (1,356m) of vertical gain, The Full Pint is for those who want to experience as much of Moab’s legendary singletrack as possible in the short time you’re with us.

The Half Pint
For those that are looking for something a little less intense, we present The Half Pint. It has all the flavor without the volume, and at 33.1 miles (53.1km) and 2,670 ft (811m) of vertical gain, this challenging course highlights some of Moab’s finest singletrack.

KAILANI Rundle’s Revenge is a two-day fun-fest that includes mountain biking and trail running. No, it’s not a duathlon.  KAILANI Rundle’s Revenge is so much more than that! Where duathlons combine the two events into one day, KAILANI Rundle’s Revenge gives you a full day for each event.

If you only want to do the mountain biking on Saturday or just the trail running on Sunday, you can! There are shorter courses and longer courses, and for you competitive masochists that both bike and trail run, you can participate both days for maximum pleasure. Bring your A-game to the full donkey and you just might qualify for The Iron Donkey Award. Really… who wouldn’t want to be an Iron Donkey?

Entry Includes

  • Official KAILANI Rundle’s Revenge Souvenir Tee

  • Fully stocked food and refreshment table in the transition area

  • Well marked routes

  • Draw prizes

Categories

  • Junior Mixed Gender, Ages 12-15

  • Open Men

  • Open Women

  • 40+ Men (age 40 or older as of Race Start)

  • 40+ Women (age 40 or older as of Race Start)

  • Non-Binary

  • Adaptive

For 2023 the Nippy Niner Trail run returns to higher ground and takes place in Spanish Lake Park just above the Confluence Conservation Area. The race will begin on a paved trail around Spanish Lake before heading into the double track, gravel, and single track around the upper Sunflower Lake. 9 Mile competitors will complete two laps of the trail section, and 9K competitors will complete one off-road loop. ( Both distances will be extra nippy.

Race Start: This year the Nippy Niner will be a mass start.

Nine Mile (15k) Course Description: The race begins on the approx. 1 mile paved loop around Spanish Lake. The course departs the trail and heads towards the upper trails, single track, and double track to the hills and trails around Sunflower Lake. Runners will complete two trail loops before returning to the finish line around Spanish Lake.

Nine K (5.6 mile) Course Description: The short course will be the same as the 9 miler- runners will complete only 1 lap of the trail loop.

Nine Miler Support: Runners will have one water stations that will serve the out and back for both the 9 mile and 9k. The 9 mile will pass the water station 3 times, the 9K will pass the water station twice.

The Race Location: Spanish Lake County Park is located in north St. Louis County just above the Columbia Bottoms Conservation Area.  From I-270 exit at Bellefontaine Road and head north. Turn right at Spanish Pond Road – park entry will be on your right.

The 10 Miler, 5K, and the 10K offer participants a very flat, fast, and scenic course, with ample water stations, multiple bands and large, highly visible mile markers at each mile. In response to requests from participants, there is now a clock at the halfway point of the 10K route.

Bristol Woods is the perfect host for the annual The Barkside of Winter. This beautiful park and trails take you up and down and through twists and turns.The 2.5 mile looped course is a combination of single and double-wide trails.

On the eve of a new year, it is a tradition to Ring Out The Old…Medals.

We will have medals and swag from past events and you get to choose which old items will become yours and that you will carry with you in to the new year to mark your accomplishment.

Zap the Zero and start your year off right with a run or walk along the beach. Many of use will imbibe more champagne and egg nog than usual as we ring in the new year, leaving us more in need of sweating out the toxins that usual. Start your year off right and set the table for your best year yet.

Bristol Woods Park is the perfect host for the annual im Schnee festsitzen Trail Run. This beautiful park and trails take you through twists and turns on both single track and double track trails.