Black Twenty One

City🇺🇸 Denver
StateColorado
TypeBoxing gym
Google rating★ 5.0 30 reviews

Address

1870 S Acoma St, Denver, CO 80223

☎ +1720-935-1872blacktwentyone.com ↗Open in Google Maps ↗

About

Black Twenty One is a boxing gym in Denver, United States. It offers boxing fitness classes and kickboxing, and is affiliated with USA Boxing. The gym is coached by Alejandro Ayala.

Coaches
Alejandro Ayala
Programs
Boxing fitness, kickboxing
Affiliations
USA Boxing

Source: the gym's website, checked Oct 14, 2026.

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Sources

Data: national boxing federations, © OpenStreetMap contributors (ODbL), Google Maps (business facts only: name, address, phone, website, coordinates, rating). Contacts are shown only when the gym publishes them. Something wrong? Write to info@boxerbook.com.