Taking the lead for the first time on lap 434, Zach Herfindahl & Wesley Selby, riding on the #17x AMG Peterbilt Group / CHRISTIAN BROS. RACING / Arctic Cat – Snowmobiles machine would win the 50th Anniversary – International 500 Snowmobile Race…. For Herfindahl, the 21-year-old from Eagle River, Wisconsin wins his first career International 500 Snowmobile Race while for Selby, the 32-year-old from Thief River Falls, Minnesota would score his second career #SooI500 victory…. The #74 Bunke Racing entry of Gabe Bunke & Aaron Christensen finished second ahead of the #3 XLT Engineering sled rode by Corey Davidson Racing & Eric Gausen…. The Cadarette Collision Racing #21 of Troy DeWald, Ryan Spencer & Bill Wilkes was fourth as the #414 Yovich Racing machine of James Hicks, Eric Zellar & Isaac Wolfgang completed the top five….