VO₂ Max Testing for Ultra Runners
Professional VO₂ max testing for ultra marathon runners (50K-100 miles). Get precise low-intensity zones for building the aerobic engine ultra-distance demands.
Races lasting 6-30+ hours are almost entirely aerobic:
- Zone 2 aerobic base is everything
- Fat oxidation for fuel efficiency
- Sustainable all-day pace
- Avoiding any intensity creep that leads to bonk
Most ultra training should be below aerobic threshold. VO₂ max testing identifies your exact Zone 2 ceiling:
- Know when you're truly in Zone 2 vs. drifting to Zone 3
- Heart rate targets for variable trail terrain
- Power hiking intensity on steep climbs
- Long training run pacing guidance
Perfect for Western States, Skyline-to-Sea, and other ultra preparation:
- Nisene Marks: Long trail runs in Zone 2
- Skyline-to-Sea Trail: Ultra-specific terrain
- Pogonip: Rolling hills for varied training
- UCSC to Summit Road: Climbing endurance
Ultra training includes 4-8+ hour runs. VO₂ max testing ensures:
- You're not going too hard early
- Proper fat-burning intensity
- Sustainable effort for full duration
- Race simulation at correct intensity
For Western States, UTMB, and other 100-milers:
- Extremely disciplined Zone 2 adherence
- Heart rate-based pacing for 20-30 hours
- Back-to-back long run intensity
- Nutrition pacing integration
While ultras are aerobic, occasional intensity helps:
- Monthly threshold work for running economy
- Hill repeats at Zone 3-4
- Occasional tempo runs
- VO₂ max testing provides zones for these too
VO₂ Max Test: $250
Complete testing with ultra marathon training zones for 50K-100+ mile distances.
Fit Evaluations
311 Soquel Ave
Santa Cruz, CA 95062
Contact:
Phone: 831-400-9227
Email: info@fitevals.com
Professional VO₂ max testing for ultra marathon runners in Santa Cruz.
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