EVENTS

ADVENTURE RACE - 3-hour & 6-hour winter adventure race with trekking, biking (optional), snowshoeing (optional), special challenges, and map navigation.

SKI OR SNOWSHOE - 3 hr and 6 hr solo or relay ski and free kids ski. Plus a 7k snowshoe race and twilight hike with free snowshoe rentals available!

FAT BIKE OR SNOWSHOE - Experience fat tire biking and snowshoe racing on the unique winter trails starting at Prairie Dells bike 10, 15 or 25 miles or snowshoe 3 or 6 miles with free snowshoe rentals available!

ADVENTURE RACE - 18-hour, 8-hour, and 3-hour adventure race with trekking, biking, paddling, and map navigation. Canoes/kayaks provided. Celebrate the 10th year of this incredible event!

SUMMITTING CHALLENGE - Take on the toughest mile in the Midwest, with 700 feet of uphill. Timed and non-timed divisions including dog, rucking, and 10k options. Plus a free kids run.

GRAVEL BIKING - Find a variety of FREE summer gravel rides or adventures whether you’re a first timer or veteran gravel rider. Take the challenge on with a group or on your own schedule.

TRAIL RUN & MOUNTAIN BIKE - Half marathon, marathon, and 60k trail run and 13, 37, and 111 mile mountain bike on singletrack on challenging (and rewarding) terrain formed by glaciers.

MIDWEST BIKEPACKING SUMMIT - Join experienced to first-time bikepackers for a weekend of fun in northern Wisconsin.  From group rides, lakeside camping, expo, speakers, and of course bikepacking all are sure to meet a riding buddy, learn something, and immerse themselves in the northwoods.

TRAIL RUN- 50k, 25k, and 15k trail run in at Rib Mountain State Park starting and ending on the State Park Speedway race track during peak fall colors. Plus a free kids run on the race track!

GRAVEL BIKE RACE - 50, 85, & 144 mile gravel bike races through Central WI with rolling gravel roads, ATV trails, beautiful parks, forests, ginseng fields, and farm lands. 12 mile rec ride free for kids.

who we are

IRONBULL is a 501(c)(3) charitable organization that promotes outdoor adventure sports in Central Wisconsin. We aim to drive economic development, benefit community organizations, and attract and retain a talented work force through the production of high quality races and events that promote healthy living in our community.

IRONBULL’s partners include Rib Mountain, Wausau & Marathon County Parks & Recreation Foundation, The Wausau Region Chamber of Commerce, Wausau & Marathon County Parks, Recreation & Forestry, CWOCC, Wausau Whitewater, the Woodson YMCA, UW-Stevens Point, and more. These local organizations make it possible for us to come together and work to improve and expand outdoor recreational facilities, trail systems, and opportunities for everyone to enjoy Central Wisconsin’s incredible natural beauty.