Train for race day
Plan builder, benchmarks, heat/hydration, cold-shock breath, race-week checklist.
Fitness is largely set inside 3 weeks. Cut volume. Keep short intensity. Protect hands.
Your block to race day
Enter a race date (or days left). Under 21 days defaults to sharpen-and-taper. Adjust the other inputs and the week table updates.
Interval timer
20 seconds on, 10 seconds off, 8 rounds. Or set your own. Ad-free, in the browser.
Under 3 weeks: sharpen and taper
With under 21 days left, cut weekly volume 40-60% vs peak. Keep short intensity: strides, easy hangs, skill touches. Protect hands. No new shoes, gloves, nutrition, or PR attempts in race week. Last hard-ish session ideally 7-10 days out.
Testable standards
Coaching targets for a 15K mud race. Not diagnostic cutoffs.
| Domain | Beginner | Advanced | Expert |
|---|---|---|---|
| Dead hang | 30-45 s | 60-90 s | 90-120+ s |
| Farmer carry | ~40-50% BW × 40-60 s | ~50-65% BW × 60-90 s | ~65-75% BW × 90 s+ |
| Pull-ups (M / W approx) | 3-5 / 1-3 or FAH 20-30 s | 8-12 / 4-8 | 12-15+ / 8-12+ |
| Towel hang | 15-20 s | 30-45 s | 45-60+ s |
| Ankle WBLT (knee-to-wall) | ≥10 cm | ≥12 cm preferred | symmetric <2 cm gap |
| Front / side plank | 60 s / 30-45 s | 90-120 s / 60-90 s | 120+ s / 90+ s |
Sources mix ACSM-style guidance, OCR coaching conventions, Rehab2Perform farmer standards, and McGill torso endurance ratios. OCR hang times are performance targets, not lab norms.
Heat and hydration
Warm-humid contingency
Check the forecast for your venue a few days out. Summer and early-fall mud races often land in muggy air even when the high looks mild. Pack a hot-day contingency for 90°F+ or high humidity.
Drink to thirst with electrolytes on multi-hour efforts. Limit body-mass loss to about ≤2% without gaining weight from fluids. Overdrinking plain water can cause exercise-associated hyponatremia.
Red flags for medical care: confusion, collapse, hot skin, seizure-like activity (heat). Progressive headache, vomiting, swollen hands/feet, confusion after heavy plain-water intake (possible EAH). Do not treat EAH like simple dehydration with more free water.
Cold shock and breathing
Expect the gasp → control exhale → short safe breaths → never hyperventilate to go farther underwater.
Ice water plus apnea is high risk. Ice plunge (~34°F) and Underwater cage combine cold shock with limited air. Hyperventilation before underwater effort is linked to hypoxic blackout. Major aquatic bodies prohibit it.
Safer practice: standing cold shower with paced nasal inhale / longer exhale (airway free). Visualization of the gasp so it is expected. Do not practice ice baths combined with underwater breath-holds. Do not train apnea for Underwater cage.
Checklist
Training
Body
Gear bag
Course skills
Gear notes
Trail shoes with aggressive lugs and drainage. Avoid waterproof shoes. No cotton. Compression or tight synthetics + anti-chafe balm.
Gloves optional: minimalist wet-grip OCR palms only if tested on wet bars. Ready to stash. Monkey bars often favors confident bare hands or proven wet-grip gloves.