@ The Arch's Grand Staircase, 1 Leonor K. Sullivan Blvd.
The Gateway Arch Park Foundation and Orangetheory Fitness invite people of all fitness levels to the first-ever “Row the Mississippi” fitness event on the Mississippi riverfront in downtown St. Louis. Row the Mississippi features freeOrangetheory Fitness classes.

Price: FREE – RSVP required: https://register.chronotrack.com/r/39092