Cycling Training Library

    Every guide we've written on cycling training, zones, recovery, fueling, strength and AI coaching — organised by topic. Browse by category or jump straight to what you need.

    Calculators and tools

    Free calculators for power, zones, pacing, tire pressure, fueling, recovery and bike maintenance.

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    All cycling calculators

    Every free LeCoach cycling calculator in one place.

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    All running calculators

    Every free LeCoach running calculator in one place.

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    FTP calculator

    Estimate FTP from a 20-minute, 2 × 8-minute, ramp or 60-minute test and get your 7 power zones in watts.

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    Watts per kg (W/kg)

    Your power-to-weight ratio for sprint, punch, climbing and FTP efforts, placed on LeCoach’s eight power levels.

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    VO2 max calculator

    Estimate VO2max from a 5-minute power test or your heart rate, and see how it compares for your age.

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    Åstrand-Ryhming test

    Estimate VO2max from one 6-minute submaximal ride at a fixed wattage and your steady heart rate.

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    Heart rate zones

    Cycling heart rate zones from lactate threshold heart rate, max heart rate or heart rate reserve.

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    TSS calculator

    Training Stress Score and Intensity Factor from power, heart rate or run pace.

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    Weekly volume planner

    A periodized week-by-week hours plan to your event: base, build, peak, taper and recovery weeks.

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    1RM and strength loads

    Estimate your one-rep max from any set and get gym loads for each phase of a cyclist strength plan.

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    Cycling speed and power

    How fast you ride at a given power, or the watts you need for a target speed, on any gradient.

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    Running pace calculator

    Pace, time or distance for any run, converted between min/km, min/mile, km/h and mph.

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    Race time predictor

    Predict 5K to marathon times from one recent race, with Riegel and VDOT side by side.

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    VDOT calculator

    Your VDOT from a recent race, with easy, marathon, threshold, interval and repetition paces.

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    Triathlon pace and splits

    Swim pace, bike speed, run pace and transitions turned into splits and a finish time, sprint to full distance.

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    Race nutrition

    Carbs, fluid and sodium per hour for your event, with totals and a simple feeding rhythm.

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    Sweat rate

    Weigh in before and after a ride to find your sweat rate per hour and how much to drink.

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    Ideal cycling weight

    A healthy race weight range from your body composition, and what it does to your W/kg.

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    Race day checklist

    A printable packing list for road, gran fondo, TT, gravel, MTB, running and triathlon races.

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    Tire pressure

    Front and rear tyre pressure for road, gravel and MTB from your weight, tyre width and surface.

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    Road tire pressure

    Road tyre pressure for 23 to 35 mm tyres, tubeless or tubes, with the hookless 72.5 psi limit built in.

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    Gravel tire pressure

    Gravel tyre pressure for 35 to 50 mm tyres, from hardpack to rough, chunky gravel.

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    MTB tire pressure

    MTB tyre pressure for 2.2 to 2.6 inch tyres by trail type, casing and inserts.

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    Gear ratios

    Gear ratio, gear inches and speed at any cadence for every chainring and cog combination.

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    Bike size

    Road, gravel and mountain bike frame size from your height and inseam.

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    Saddle height

    Starting saddle height from your inseam with the LeMond and 109 % methods, plus the knee-angle check.

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    What to wear

    The right layers for today’s ride from temperature, rain, wind and how hard you will ride.

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    Max heart rate

    Your estimated maximum heart rate from five age formulas, and how to find your real one.

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    Zone 2

    Your Zone 2 in heart rate and watts, from threshold heart rate, max heart rate or FTP.

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    Critical power and W′

    Critical power and W′ from two or three all-out efforts, and how long you can hold any wattage.

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    RPE scale

    Rate of perceived exertion from 1 to 10, matched to zones and the talk test, plus session load.

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    How long to train

    Weeks you need for a 5K, 10K, half marathon or marathon, from where you are now.

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    Climb calculator

    Gradient, difficulty score, time at your watts and VAM for any climb.

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    Ride time

    How long a ride takes from distance, climbing, your level and stops, plus average speed benchmarks.

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    Marathon pace

    Goal marathon or half marathon time into pace, 5 km splits and a negative-split plan.

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    Calories burned cycling

    Calories burned on a ride from power (most accurate), heart rate or speed.

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    Protein

    Daily protein and per-meal amounts from your weight, training load, goal and age.

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    Caffeine

    A safe, effective pre-race caffeine dose from your weight, with timing and the sleep cut-off.

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    Carb loading

    Grams of carbohydrate per day before a long race, split into meals with food examples.

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    Resting heart rate

    Normal resting heart rate by age and sex, and whether today’s reading is normal for you.

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    HRV by age

    Typical HRV (RMSSD) for your age and sex, and whether today’s HRV is normal for you.

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    Rest day check

    A quick check of sleep, heart rate, legs and mood that says train, go easy or rest.

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    Fitness loss

    How much fitness you lose during a break, and how long it takes to get it back.

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    Training with a cold

    The neck check: when easy training is fine, when to rest and when to see a doctor.

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    Running shoes

    How long running shoes last, the signs they are done, and a kilometre estimate for your pair.

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    Bike chain

    The 0.5 % and 0.75 % wear rules, how to measure, and a kilometre estimate for your chain.

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    Cassette and chainrings

    How many chains a cassette and chainring last, the signs of wear and an estimate for yours.

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    Bike tires

    How long road, gravel and MTB tyres last, the wear signs and a kilometre estimate.

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    Bike helmet

    Replace after any crash and after about five years. Check yours in seconds.

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    Brake pads

    Disc and rim pad wear limits, warning signs and an estimate for your pads.

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    Chain lube

    How often to lube and clean your chain for your lube type, weather and weekly kilometres.

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    Maintenance schedule

    Your personal maintenance schedule, from chain lube to brake bleeds, based on how much you ride.

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    Ready to put the theory into practice?

    LeCoach turns these principles into a structured, adaptive plan built around your goals, schedule and recovery.