Sport & outdoor
Running, cycling, hiking, gym, skiing, injury recovery
Subtopics
Running
2 tools
Cycling
3 tools
Hiking
1 tools
Mountaineering
1 tools
Swimming
1 tools
Gym
2 tools
Skiing & snowboarding
1 tools
Martial arts
1 tools
Yoga
1 tools
Triathlon
1 tools
Fishing
2 tools
Sports nutrition
2 tools
Injuries
1 tools
Competitions
1 tools
Kids' sports
1 tools
Sport after 40/50
1 tools
Heart rate control
1 tools
Trekking gear
1 tools
Water sports
1 tools
Amateur athlete's glossary
1 tools
Calculators
Run plan
Weekly volume and long run to 5k–marathon by the 10% rule
Run pace
time → pace and Riegel race prediction
Bike gears
chainrings × wheel × cadence → km/h
Tire pressure
Weight + tire width + type → front/rear PSI (the 15% drop model).
Frame size
Inseam × bike type → frame size in cm and inches.
Hiking time
Naismith's rule + load and terrain corrections
Acclimatization
Target altitude → minimum ascent days per the +300–500m rules.
Swim plan
Level → weekly sessions, volume, target pace per 100m and CSS.
One-rep max
Working weight × reps → 1RM via Epley/Brzycki + percentage table.
Ski length
Height + weight + style → recommended ski length.
Martial arts
Style by goal: self-defense, fitness, sport or discipline
Yoga
Yoga styles by intensity and contraindications for beginners
Triathlon plan
Sprint/Olympic/70.3 → weekly hours per discipline.
Seasons calendar
hunting and fishing seasons by species + key restrictions
Fish weight
W = a·Lᵇ per species — no scales
Macros by weight
weight × goal → grams of protein, fats, carbs
Plant protein
daily norm → combination of sources
Return to sport
Injury type → recovery stages and approximate timelines.
Race prep
Taper timeline to race day and race pack checklist
Kids' sport
Sections by child's age and coach selection rules
Sport 40+
Heart zones by Tanaka formula and safe weekly volume
Heart rate
Calculate training zones by Karvonen
Backpack weight
gear checklist → base and total weight
Water safety
The 120 wetsuit rule + kayak and SUP checklist.
Athlete glossary
Pace, taper, HR zones, VO2max — training terms