07/17/2026
There's still time to sign up!! The Waltham Slam is BACK for Vol. 2 and is in full swing! And you're 🫵 invited!
Join us in the Waltham Training Center every TUESDAY & THURSDAY evening for the best comp blocs the Boston area has to offer. 💥 The Waltham Slam is a 6-week boulder league featuring modern comp-style movements across a range of climbs from V2-V11+. Each week we will curate climbs that allow for learning and exploration for all levels! 💪
Join for the whole season or just drop in for a single session! Next week is Week 2!
For those participating in the full season, your lowest score across the 5-week series gets dropped, and Week 6 is Finals for all categories. Full details and registration can be found at centralrockgym.com/waltham/events/waltham-slam-bouldering-series/
Address: 411 Waverley Oaks Road, Waltham
07/01/2026
06/25/2026