Ultra Running: Beyond the Marathon
Like Duolingo, but for Ultra Running: Beyond the Marathon. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
For the part of you with thirty open tabs that never became anything.
24 levels across 4 sections, about 48 minutes end to end, roughly 10 days at five minutes a day. It moves through The Ultra Strategy, The Eating Contest, Specific Ultra Training, and Logistics and Support. It assumes you already know the basics.
Free forever · No credit card · iPhone & Android

Key ideas in Ultra Running: Beyond the Marathon
- Pace naturally slows on technical terrain to keep exertion levels steady
- Power hiking uses a different muscle group to give running muscles a break
- RPE (Rate of Perceived Exertion) accounts for heat and elevation better than GPS
- The metabolic cost of running steep grades is higher than a fast, purposeful walk
- Chasing a specific mile split on a climb leads to premature redlining
- Strategic hiking keeps the heart rate from spiking into anaerobic zones
- Applying effort-based pacing over variable trail terrain
- Understanding power hiking as a strategic efficiency tool
- Zone 2 training builds the aerobic base needed for multi-hour efforts
- Fat oxidation is the primary fuel source at lower intensity levels
- Crossing into Zone 3 or 4 burns through limited glycogen stores too quickly
- Walking early hills prevents 'burning matches' that you'll need later
- Glycogen is a finite resource that must be guarded from mile one
- The 'final third' of a race is won by those who didn't overreach at the start
- Identifying the physiological target for sustainable ultra-distance energy
- Prioritizing glycogen preservation through early-race hill management
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 Ultra Running: Beyond the Marathon 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.
What is a primary physiological benefit of switching to a power hike during an ultra?
Get it right to open this lesson and 23 more in the app.
Where Ultra Running: Beyond the Marathon takes you
Transition from road marathons to the world of trail ultras. Learn to manage your gut, master technical terrain, and develop the mental resilience required for distances of 50k and beyond.
- 1
The Ultra Strategy
- Pacing for the Long Game
- The Mental Game of Endurance
- 2
The Eating Contest
- Gut Training and Fueling
- Troubleshooting Mid-Race GI Issues
- 3
Specific Ultra Training
- Building Volume and Resilience
- Mastering Technical Terrain
- 4
Logistics and Support
- Foot Care and Gear Management
- Crewing and Drop Bags
4 sections · 8 units · 24 levels. Built to play, not to enroll.
You pick the voice
Ultra Running: Beyond the Marathon is taught in the The Professor style: clear, structured, thorough. 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 Ultra Running: Beyond the Marathon today.
Download Tomo, search Ultra Running: Beyond the Marathon, and play your first lesson in under a minute.