Free tools

Running tools built by Kenyan coaches.

Free pace calculators, marathon pacing charts, and a readiness check: the same utilities our coaches reach for when they plan training blocks and race days with athletes.

Pace utility

Running Pace Calculator

Convert distance + time into pace per mile, pace per kilometer, and speed. Includes equivalent race times across 5K, 10K, half, and marathon.

  • Pace per mile and per kilometer
  • Speed in mph and km/h
  • Equivalent times at 5K, 10K, half, and marathon
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Marathon utility

Marathon Pace Chart

Pick a marathon goal time and get per-mile pace, per-kilometer pace, and cumulative splits through 5K, 10K, 15K, 20K, half, 25K, 30K, 35K, 40K, and finish.

  • Target pace per mile and per kilometer
  • Half split and goal finish time
  • Cumulative splits at every 5K marker
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Race-day print

Marathon Pace Band Generator

Build a printable wrist band for your goal time: big numbers, gel markers, and a watch pace adjusted for the extra distance you will run.

  • Time from the start or pace in large type
  • Real-distance watch pace (26.2 to 26.5 mi)
  • Two bands per page with cut lines
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Race-day print

Half Marathon Pace Band Generator

The same printable wrist band for a half: big numbers, a shaded 10K checkpoint, and a watch pace adjusted for the extra distance you will run.

  • Shaded 10K checkpoint row
  • Real-distance watch pace (13.1 to 13.3 mi)
  • Two bands per page with cut lines
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Readiness signal

Marathon Readiness Score

A quick honest-check for how close your current training is to marathon-ready. Tells you what to fix before your next block, not just what you want to hear.

  • Readiness band and 0–100 score
  • Biggest current risk in your training
  • Next-step guidance tailored to the score
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Free training plan

Marathon Training Plans by Phase

Phase-specific marathon plans authored by Coach Martin Karoki Muriuki: base building, long-run progression, marathon taper, and race-week prep. Full plans visible on the page, with an optional email sequence from Coach Martin.

  • Base building, long-run progression, taper, and race-week prep
  • Day-by-day workouts, fueling, and race-day-eve specifics
  • Free, with an optional email sequence from Coach Martin
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Using tools is the first step. Training is the hard part.

A pace chart tells you the math. Whether your current training actually supports that goal is a different question. Take the free quiz or talk to a Kenyan coach if you want a real answer.