First Half Marathon from Scratch
Go from non-runner to crossing the 13.1-mile finish line injury-free. Build aerobic endurance, strengthen your body at home, and train your mind for race day.
Like Duolingo, but for First Half Marathon from Scratch. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
A short one: 11 levels across 2 sections, about 22 minutes end to end, roughly 4 days at five minutes a day. It moves through Building the Engine and the Armor and The Long Haul and Race Day. It starts from scratch.
Free forever · No credit card · iPhone & Android
Key ideas in First Half Marathon from Scratch
- You should be able to speak full, comfortable sentences without gasping between words
- Breathing so hard you can only manage one-word answers means you are running too fast for long-distance base building
- Training at conversational pace relies on aerobic energy, which is essential for covering 13.1 miles
- Walk intervals must be scheduled from the start before fatigue sets in
- Taking walk breaks early lowers heart rate and prevents leg muscles from burning out early in long mileage runs
- Waiting until exhaustion ruins running form and makes completing the planned distance much harder
- Total time spent moving on your feet triggers structural adaptations in tendons, bones, and heart
- Fast sprints elevate injury risk and exhaust beginners without training stamina for long distances
- Gradually increasing total workout duration matters far more than running fast
- Symmetrical, dull ache or stiffness across both legs is typical adaptation to new impact
- Sharp, pinpoint, or single-sided pain signals joint or tendon strain that requires stopping immediately
- Running through asymmetrical or sharp pain turns minor tweaks into major injuries that derail half-marathon training
- Running is a repetitive series of single-leg landings that send shock upward through the leg
- Strong glutes and calves act as shock absorbers during impact
- Weak muscles force passive joints like knees and shin bones to take the brunt of every landing
- Single-leg calf raises target the lower leg muscles that shield shins and Achilles tendons
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives First Half Marathon from Scratch the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
How can you tell right away that your running pace is slow enough to build endurance?
Get it right to open this lesson and 10 more in the app.
Where First Half Marathon from Scratch takes you
- 1
Building the Engine and the Armor
- Starting Out: The Run-Walk Method and Easy Pacing
- Bulletproofing the Body Without a Gym
- 2
The Long Haul and Race Day
- Fueling, Hydrating, and the Weekly Long Run
- Mental Miles, the Taper, and Race Day
2 sections · 4 units · 11 levels. Built to play, not to enroll.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
First Half Marathon from Scratch is taught in the The Bestie style: your friend who just gets it. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start First Half Marathon from Scratch today.
Download Tomo, search First Half Marathon from Scratch, and play your first lesson in under a minute.