The Iron Challenge is a Flat Tire Bike Race, 4k Trail Run and Duathlon run at Ironwood

Springs Ranch, which encompasses more than 250 acres of forest just south of Rochester. The

course unique in the way it turns and weaves through Ironwood Springs forest, river paths and

scenic trails. The 2019 Challenge will feature three levels of bike racing, three levels of a 4k

trail running and new this year, three levels of a duathlon, with distances from 7-15 miles,

spread among beginner, intermediate and advanced levels.

The challenge also features outdoor bonfires, indoor restrooms and food on-site, providing

rider and spectator amenities not normally found at an outdoor race.


  • Occurred Saturday, February 23rd, 2019 — all day


Ironwood Springs Christian Ranch

7291 County Road 6 SW
Stewartville, MN 55976


Lucy Preysz