August 13st, 2022
Prairie Dells Trail Head
This is Wisconsin’s Ultimate Lap! The Iron Bull Epic!
Ride the 33 mile lap or a 13 mile adventure from Prairie Dells over 7 daunting hills to Underdown Lake. This WEMS Series event is held in conjunction with the IronBull Underdown Trail Races.
LIVE music, drinks, food and fun!
7:00 – 11:00am: Packet pickup
WEMS Underdown Mountain Bike Races
8:00 AM (Hundred Down)
Long-distance Solo: 3 laps completed between 8AM and Midnight. Riders completing two laps will be scored after riders completing three laps.
9:00 AM (Thunderdown)
Mid-distance Solo: One 33-Mile lap
Long-distance Duo: One 33-Mile lap completed by each rider both starting at 9AM (NOT a tag team relay!)
9:15 AM (Oktoberfest Summit)
Short-distance Solo: One 13-Mile lap. Finish this and change your shoes by 11:30am and earn a free entry to the Oktoberfest Half-Marathon
Mid-distance Duo: One 13-Mile lap completed by both riders starting at 9:15AM (NOT a tag team relay!)
Long-distance Team: One 13-Mile lap completed by all riders starting at 9:15AM (NOT a tag team relay!)
IRONBULL Underdown Trail Running Races
9:30 AM (IRONBULL Prairie Dells 50K Run Start)
10:00 AM (IRONBULL Heineman Hills Marathon Run Start)
11:30 AM (IRONBULL Oktoberfest Half-Marathon Run Start)
W.E.M.S. Guidelines: All W.E.M.S. guidelines will be followed.