The GrindFest is a Running race in Milwaukee, Wisconsin consisting of a 10K.
Grindfest is the World's Largest Progression run.*
Grindfest was started in 2013 by UW-Stevens Point All-American Terry Witowski as a workout/race/get together. It has now grown to legendary status, and is the most talked about post-Christmas/pre-New Years race.
Every year, Grindfest brings together Wisconsin area runners ranging from normal people that love to run, to professionals trying to make an Olympic team.
Grindfest is a race like none that you've ever been apart of before; it is a progression run. Runners will start at the same pace and continue to increase speed every three laps until there is one man or woman standing!
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