🏋️ Official Rankings
10 Best Gyms in Janesville, WI (October 2026)
We compared 10 gyms serving Janesville and Rock County, Wisconsin, and ranked the top providers by verified reviews, ratings, and local reputation — 2,046 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Limitless Performance: Gym, Weight Training, Basketball, Volleyball, Sports Psychology, Group Fitness, Rentals, Tournaments. Updated for October 2026.
- Gyms ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 2,046
⭐ 5.0 · 181 reviews
3410 Bell St, Janesville, WI 53545
⭐ 4.9 · 58 reviews
1944 Center Ave, Janesville, WI 53546
⭐ 4.7 · 626 reviews
1301 Black Bridge Rd, Janesville, WI 53545
⭐ 4.9 · 35 reviews
2200 W Court St Ste 140, Janesville, WI 53548
⭐ 5.0 · 21 reviews
944 N Parker Dr, Janesville, WI 53545
⭐ 5.0 · 19 reviews
1519 S Washington St Ste 150, Janesville, WI 53546
⭐ 4.6 · 829 reviews
1800 Milton Ave Ste 150, Janesville, WI 53545
Gyms listed here serve Janesville, Rock County, and nearby ZIP codes including 53545, 53546, 53547, 53548.