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Pace & time

  • Pace chartPace ⇄ speed ⇄ finish time for 5K, 10K, half and marathon.
  • Pace ⇄ speed converterSwitch between pace (min/mi or min/km) and speed (mph or km/h).
  • Pace calculatorEnter two of three values, we work out the third.
  • Race time predictorFrom a recent race, estimate your times over other distances.
  • Race splitsYour mile-by-mile splits, ready to print for race day.

Physiology & zones

  • MAS calculatorYour maximal aerobic speed and training paces, Jack Daniels method.
  • VO₂max calculatorEstimate your VO₂max from a race time (VDOT) or your MAS.
  • Training zonesYour 7 pace zones and their heart-rate equivalents.
  • Max HR & heart-rate zonesEstimated max heart rate and your 5 heart-rate zones (Karvonen included).

Trail & elevation

  • Effort-km & elevationDistance + elevation gain → the equivalent effort on flat ground.

Handy calculators

  • Running caloriesCalories burned by distance, body weight and pace.
  • Treadmill equivalenceThe incline and pace that match running outdoors.
  • BMI for runnersYour body mass index, read for running.
See all running tools
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Coming soon

RunMorph training plans

Every plan is built from scratch by our AI, using the science-based periodization principles of Jack Daniels and Stephen Seiler. Pick your goal and let RunMorph build the plan that fits your physiological profile.

26.2 miles

Marathon

A complete plan to reach mile 26.2 with confidence: effort management, long runs that build step by step, and a race-day strategy.

See the plan →
13.1 miles

Half marathon

The ideal distance to build endurance without the load of marathon training. Threshold work, goal-pace sessions and well-planned recovery.

See the plan →
6.2 miles

10K

Lower your time over the most popular road-race distance. VO₂max intervals, tempo runs and targeted strength work.

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3.1 miles

5K

A short, intense plan to push your limits over 3.1 miles. Intervals, fartlek and pure speed work.

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Any distance

Trail

Get ready for off-road races with a plan that builds in elevation gain, trail-specific strength work and pacing on mixed terrain.

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At your own pace

Beginner

Start running the gentle way with a gradual run/walk program designed to build your aerobic base.

See the plan →

Ready to get started?

Get a personalized training plan in just a few minutes, free to start. The English version of the app is on its way.

Coming soon