Discover Yourself Through Nature
TRUNK is an intelligent seasonal planning system for trail runners. We take into account subjective signals and objective biometric data, aligning them with validated scientific metrics. Based on this, we create an adaptive, personalized training plan — so your training process is not just structured, but truly optimized.
Your Season, Your Rules, Your Data
Visualize your entire year with our drag-and-drop calendar. Plan training blocks, schedule races, and add life events—your plan adapts in real-time.
Meet 5NA1L, your personal AI training coach. It analyzes your data, suggests workouts, and automatically builds training plans tailored to your goals and performance.
Learn to read your body's signals—sleep quality, energy levels—and make smarter training decisions. Develop the athlete's key skill: self-awareness, backed by data.
Join our Run the Fuckville community and experience the power of social support in training. Research shows that group running provides real physiological benefits beyond motivation—it's your stress shield.
Your training plan understands that you have a life beyond running. Work schedules, travel, family—everything is accounted for in your personalized approach.
Build a solid aerobic foundation in the off-season, sharpen your fitness for key competitions, and ensure proper recovery. Manage your entire training cycle intelligently.
Choose Your Path
Select a plan that matches your trail running journey—from an intuitive connection with nature to science-based excellence.
Nature
For everyone who wants to understand their body's language and use science to build a smart training process. Start your journey with a powerful free foundation.
- Training Diary
- Season Planner for goal-based training
- Basic AI Assistant (25 requests/month)
- Semantic search (10 searches/day)
- Training load analysis and performance trends
- Dashboard with metrics and data visualization
- Metabolism settings and HR zones
- Goal readiness analysis and seasonal patterns
- Data export/import
- Profile preferences and mindset
Science
For serious trail runners striving for excellence through deep understanding. This is where the body's wisdom meets cutting-edge human performance science.
- Everything in the 'Nature' plan
- Advanced AI Assistant (20 requests/day, 600/month)
- Semantic search (200 searches/day)
- Priority support
All plans include unlimited training plans and secure data storage