A full calendar of sanctioned events is at USMS Event search ; Northwest Zone events are listed at Northwest Zone

Summer 2020

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  • Featured

    2020 Open Water Virtual Grand Slam

    Register online today to participate in a World Wide Virtual Open Water Swimming Event hosted by Montana's Flathead Lake Open Water Swimmers Club. Complete the different triathlon swim distances throughout summer and submit your results to see how you rank internatioanally. Though it is not a USMS sanctioned event, the Montana LMSC wants to continue to encourage adults to swim.

    $15

  • Bozeman Swim Challenge

    Our Montana lakes and ponds are at their warmest during the month of August, and we challenge you to swim at your local swimming hole.

    $20.00