EVENTS
FREE KIDS RUN - Join Learn Build Fly’s free Armed Forces Day celebration for a free kids run plus aircraft preflight demos, post-race pancake breakfast (free to the first 200 kids to register), and more!
ADVENTURE RACE - 18-hour, 8-hour, and 3-hour adventure race with trekking, biking, paddling, and map navigation. Canoes/kayaks provided.
FREE GRAVEL RIDE - An old school free 140 mile gravel bike ride that can be ridden in a single day or bikepacked.
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.
FREE GRAVEL RIDE - An old school free gravel bike ride with 33, 63, 103 mile routes finishing at Tomahawk’s Windmill ice cream shop.
FREE GRAVEL RIDE - 10, 20, or 44 mile gravel ride options with chances to win prizes.
TRAIL RUN - Half marathon, marathon, and 50k 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.
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.
new to the wausau Area?
Check out the incredible local parks, trails, and clubs in our community - a great way to meet and connect with other outdoor adventure enthusiasts!
WISCONSIN GRAVEL SERIES - String together 1000 miles of riding among these classic Wisconsin gravel races and earn bragging rights.
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 - 144-mile, 85-mile, and 50-mile gravel bike races through Central WI with rolling gravel roads, ATV trails, beautiful parks, forests, ginseng fields, and farm lands. 12-mile recreational ride free for kids.
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!