ToolsRace planner

Plan your Deadly Dozen

Twelve 400s, twelve Labours, one clock. Start from a recent 5K, say how you race and how you train, and get a realistic target: the finish, the Journeys against the Labours, and a lap-by-lap wristband for all twelve rounds.

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Recent 5K time
:MIN : SEC
Your profile
How often do you train Dozen-specifically?

Specific means carries at race loads, big-set Labour work and interval 400s, not general fitness: the race taxes exactly the things general training skips.

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Deadly Dozen Race Planner

Calculadora gratuita de ritmo para el Deadly Dozen: introduce un 5K reciente, elige división y perfil, y obtén un objetivo realista con totales de carrera y Labours más un plan de parciales para las doce rondas. Sin registro.

Worked example: Solo Men, 25:00 5K, balanced profile

Estimated finish 01:34:54: Journeys 00:26:24, Labours 01:05:30, transitions 00:03:00. Target around 02:12 per 400 m (fresh 400 off that 5K: roughly 02:00).

Estimate only, calibrated conservatively toward realistic average race splits; not an official Deadly Dozen prediction.

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