SISU Ski Fest at Historic Downtown Ironwood and Miners Memorial Heritage Park. Welcome to our fifth Annual SISU Ski Fest! "Finnish" in downtown Ironwood. The SISU Ski Fest is comprised of five ski events–the 42K SISU Marathon, 21K Heikki Lunta Half Marathon, Taste N Tour, 3K & 5K Junior SISU and the 2K Lapset Loppett. Ski through historic mining areas, scenic bluffs, along the Montreal River and by the World's Tallest Native American Statue. New for 2014 - Snowshoeing! The SISU, in a continuing effort to improve and grow the SISU Ski Fest, will now offer three snowshoe races (2K, 5K, and 10K) as part of the fifth annual SISU Ski Fest, at Milje’s Ski Trails in Wakefield. The event includes a 2K, 5K and 10K timed races which will guarantee an exciting finish.