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Health & Fitness Tools

900+ free calculators, planners, and assessment tools.

All (900) Biomarkers (63) Body (39) Cardio (94) Nutrition (138) Psychology (51) Recovery (175) Strength (60) Supplements (52) Training (228)
94 tools
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Cardio
Modified Thomas Test
Assess hip flexor and rectus femoris tightness.
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Cardio
5K Training Plan (Intermediate)
8-week 5K plan with tempo runs and intervals for experienced runners.
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Cardio
10K Training Plan
10-week 10K plan with progressive mileage and speed work.
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Cardio
Ultra Marathon Intro Guide
Transitioning from marathon to ultramarathon: training and nutrition.
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Cardio
2K Swim Training Plan
8-week plan building to a continuous 2000m swim.
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Cardio
Concept2 Benchmark Tests
Standard rowing benchmarks: 500m, 2K, 5K, 10K.
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Cardio
FTP Test Protocols
20-minute, 8-minute, and ramp test protocols for FTP.
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Cardio
Air Bike Calories Calculator
Convert calories on assault bike to equivalent running or rowing.
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Cardio
Resting HR Trend Tracker
How to track resting HR over time to monitor fitness improvements.
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Cardio
True Max HR Field Test
3-minute all-out test protocol to find your actual max heart rate.
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Cardio
Cardio + Lifting Order
Should you do cardio before or after weights? The evidence.
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Cardio
Daily Walk Optimization
Maximize health benefits of your daily walk: timing, pace, and terrain.
Cardio
100m Sprint Training Plan
8-week sprint training for 100m improvement.
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Cardio
400m Training Plan
The hardest race: 400m training with speed endurance.
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Cardio
800m Training Plan
800m racing: balancing speed and aerobic capacity.
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Cardio
1500m/Mile Training Plan
Middle distance training for the mile and 1500m.
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Cardio
Obstacle Race Prep
Tough Mudder and Spartan Race training plan.
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Cardio
Cross-Country Training
Trail and cross-country running program.
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Cardio
Mountain Biking Fitness
Conditioning for mountain biking: legs, core, and cardio.
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Cardio
Kayak/Canoe Fitness
Upper body and core conditioning for paddle sports.
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Cardio
Dance Fitness Guide
Zumba, barre, and dance cardio calorie and fitness comparison.
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Cardio
Martial Arts Cardio Plan
Conditioning program for striking and grappling sports.
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20 evidence-based guides, 5 challenges, and 5 value bundles — complete with PDFs, Excel trackers, and protocols.

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