Wasilla’s Premier 24/7 Luxury Gym – Impakt Athletics | Mat-Su Valley Fitness Center Impakt Athletics in Wasilla, Alaska is the Mat-Su Valley’s premier 24-hour luxury gym, offering members-only 24/7 access. Our modern fitness center features competition-grade Rogue lifting equipment, cardio machines, a full-length indoor turf area, plus premium amenities like a sauna, cold plunge tub, and accessible locker rooms. If you're looking for the best gym in Wasilla or a 24/7 fitness center in the Mat-Su Valley, Impakt Athletics delivers top-tier training and recovery in one state-of-the-art location. You need to book to attend classes.