2024-06-07 SISU Summer Throwdown SISU Summer Throwdown June 7 @ 8:00 am - June 8 @ 3:30 pm SISU Summer Throwdown Join us for the best summer fitness competition in Minnesota! Held at SISU in Excelsior, MN, the SISU Summer Throwdown is a two day, partner competition with scaled, intermediate and RX divisions.