Our first skier has made it to McGrath! Tucker Costain finished the 350 at 6:56 am. Becoming the 3rd skier to finish in under 5 days. Derrick Seys also finishes in McGrath on bike at 6:45am! #itialaska2025 #winterultra #itialaska #alaska #bikerunski #iditarodtrail #iditarodtrailinvitational