
Michigan Titanium
Grand Rapids, MI • August 10, 2025
Michigan’s Only 140.6 Mile (Ultra-Distance) Triathlon 140.6 miles: that is what you are up against. Start your challenge with a 2.4 mile swim in crystal-clear Versluis Lake. Then jump on your bike for 112 miles through the rolling countryside of West Michigan. Finish up your day with a full marathon on the closed run course. Do all that and cross the Michigan Titanium finish line… and you’ve earned the right to call yourself a TITAN. Not ready to attempt the Ultra-Distance race? Michigan Titanium offers Half, Olympic and (NEW) Sprint distances in our Triathlon, Duathlon, Aquabike, Relay & Swim-Only events. USA Triathlon Membership/One-Day Pass You will be asked to enter your current USAT Membership number during checkout. USAT Membership or One Day Pass is required to participate in this USAT Sancationed event. One Day Pass fee is $15.