Tortoise Guides
Go from 5K base to marathon finish line
Whether you are rebuilding fitness or leveling up, Tortoise maps your path from your current base to your race goal.
Why runners choose Tortoise
- Progressive distance and endurance development
- Personalized intensity and volume
- Milestones mapped to your timeline
Frequently asked questions
Can Tortoise help me progress beyond 5K?
Yes. Plans can evolve from shorter-distance fitness to longer race prep.
How quickly can I progress to marathon training?
It depends on your baseline and race timeline; Tortoise personalizes this progression.
Can Tortoise build my plan backwards from race day?
Yes. Race-day-first planning is a core differentiator: pick your event date and Tortoise builds backward from there.
Is Tortoise AI-native?
Yes. Tortoise uses AI-native personalization to adapt training to your goals, schedule, and progress.
Related running guides
AI Marathon Training Plan App
Build an AI-powered marathon training plan personalized to your schedule, current fitness, and race date.
Marathon Training App for Beginners
Beginner-friendly marathon training plans that guide you step by step from your current level to race day.
Half Marathon Training Plan App
Train smarter for your half marathon with an AI plan that adjusts to your pace and race timeline.
Running Plan by Race Date
Set your race date and get a custom running plan that works backward from your goal event.
Train smarter for race day
Set your race date, train with an adaptive AI plan, and stay consistent with Tortoise.
Start with Tortoise