CrossFit Dark Side operates on Santee's Woodside Avenue industrial corridor as CrossFit Affiliate No. 17811, delivering foundations-level onboarding through competitive-track programming. The training architecture layers Olympic weightlifting, gymnastics skill work, and metabolic conditioning within a periodized model that members supplement through targeted one-on-one sessions at G I Joe Personal Training on Cuyamaca Street. On-site childcare allows parents to train during morning and afternoon class blocks without arranging separate coverage. The affiliate fields multiple athletes in the CrossFit Games qualifiers and Quarterfinals, developing the grip endurance, hip mobility, and mental conditioning that transfer to combat-sport cross-training at Infinity Brazilian Jiu Jitsu on Carlton Hills Boulevard. Coaching staff hold CrossFit Level 2 and specialty credentials across Olympic lifting, gymnastics, and endurance disciplines.