Adaptive AI training plans for 5K to ultramarathon — train solo, or pair with a real coach when you want one. Same methodology either way.
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A flat road marathon and a mountain 50K aren't the same race. Your plan and pacing adjust to the course you're actually running.
Upload a GPX and KStride reads every climb and descent. Pacing targets bend to the terrain, not a flat average.
Trail and technical courses add up to +18% effort at the same pace. Splits, fueling, and race-morning plan adjust automatically.
Mountain ultras prioritize vertical: steep-climb workouts, quad-saving descents, and power-hiking built into the plan.
Most runners start free with the AI plan. When you want a human in your corner, KStride is also where the coaches live — same methodology, same dashboard, your call.
Choose your race distance, target date, and experience level.
A fully structured, evidence-based plan generated in seconds.
Log workouts. The plan adjusts to your life in real-time.
Plans built from the ground up for each race type.
Elite-grade tools in an interface that works for everyone.
Miss a run? Future workouts adjust automatically based on what you actually completed — no manual re-planning.
Every workout comes with target HR zones. Know exactly how hard to push — and when to hold back.
Interval and tempo workouts broken into step-by-step sets with pace targets per rep.
Skip a day or feeling sore? The plan shifts intelligently so you stay on track without overtraining.
Pacing plans, fueling schedules, race morning timeline, and gear checklist.
Export any workout to Garmin, Apple Watch, or COROS as a .TCX file with HR zones.
Every run includes a strength & mobility block targeting injury-prevention muscles.
Climb the weekly leaderboard and tackle challenges together with other runners.
One app, two audiences — runners training for a race and coaches guiding them.
Everything you need to train for your next race.
Add an AI coach that adapts with every run.
Start coaching with a single athlete.
Grow your practice with AI-assisted coaching.
For established coaches running a full roster.
Every plan follows the periodization principles endurance research is built on — progressive overload, polarized intensity, and rest as part of the work. The full methodology is open for you to read.
Learn the methodologyStop hand-formatting plans in spreadsheets. KStride gives you the dashboard, the methodology, and the directory — so you spend the hours that matter on coaching, not admin.
Free tier covers your first athlete · Pro and Elite tiers when your roster grows.
Show up in the directory runners search every day.
Generate, adapt, and personalize plans in seconds.
Sleep, mileage, RPE, soreness — see what actually happened.
Threaded conversations and gait video reviews per athlete.
Auto-generated reports you tweak instead of write from scratch.
Pricing tiers scale from your first athlete to a full roster.
Ask runners what they love and they'll rarely say their PR. They'll say something quieter.
Running is where runners go to think. The cadence quiets the noise the rest of the day piles on, and something clearer takes its place.
Grit isn't earned at the finish line. It's earned on the easy run you didn't skip, the cold morning you laced up anyway, the rest day you honored when you wanted to chase a mile.
Every runner learns the same secret. The moment your mind says ‘done’ is usually the moment you're 40% done. What's left is the part that teaches you something.
The plan bends around the day you had. Some runs are slow, some you walk, some you miss. The grit is that you come back the next day anyway.
Sweat-streaked. Mud on the calves. The morning you didn't skip. That's the story we tell — on Pinterest, in the shop, and on every plan we build. The pretty PRs come later. The grit comes first.
Beyond Miles. Build Your Grit. Built for every distance.
Build My Free Plan5K · 10K · Half Marathon · Marathon · Ultramarathon