Race predictor, training paces, drill library and daily readiness check-in — built around the methodology of 2× Olympian Kathy Butler.
Free · No account needed · iPhone only
Enter any recent finish time and instantly see predicted finish times for every distance from 1 mile to marathon — plus all four training zones from your current fitness.
Warm-up drills, form work, strength exercises and cool-down routines — with coaching cues for each one. The same content Kathy has used for 26+ years of coaching.
Rate your sleep, fatigue, soreness, stress and motivation before you train. Over time you'll see the patterns that predict your best and worst workouts.
Log every run and watch your progress build over weeks. See your weekly mileage, pace trends and personal bests at a glance.
Kathy Butler
Every feature in Ready to Run reflects Kathy's real coaching methodology — the same approach she uses with her personal athletes.
Work With Kathy
When you're ready for a fully personalised plan, weekly check-ins and direct access to Kathy, 1-on-1 coaching is where real transformation happens. From first-timers to ultramarathoners.
Book a free 15-min call →
Runners Say
"Kathy has transformed my running over the past three years. I ran a trail marathon, a 55K, a 50 miler, and ultimately the Leadville 100."— Ali Hummelberg, Leadville 100 finisher
"Kathy has been with me every step of the way along my triathlon career — from amateur to pro."— Sam Teller, Amateur to Pro Triathlete
"Having the drill library on my phone means I actually do my warm-up now. Game changer for staying injury-free."— Half-marathon runner
Available Now
Free to download. No subscription, no account, no catch.
Download on the App StoreRequires iOS 16 or later · iPhone only