BJJ HIIT Drill Timer
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BJJ HIIT drilling uses short, high-intensity intervals to build the explosive conditioning required for scrambles, takedown shots, and guard recovery. The default 30:15 interval (30 seconds work, 15 seconds rest) allows 12 exercises in under 10 minutes. Common exercises: shrimp escapes, technical stand-ups, granby rolls, forward rolls, sprawl-to-base, single-leg level changes. HIIT drilling builds conditioning without requiring a partner.
Thirty seconds is long enough to accumulate fatigue in a grappling-specific movement pattern while short enough to maintain full-intensity execution. The 15-second rest is shorter than the Tabata standard, reflecting that grappling movements require more recovery than calisthenics. This 2:1 ratio is the most popular HIIT standard for grappling conditioning coaches.