These five sports are the perfect outdoor training for spring. Running in the park is a great way to burn calories and explore the natural environment.

Outdoor cycling is a good way to strengthen leg muscles and improve endurance. Yoga harmonizes body, mind and soul while building flexibility and strength. It is also an environmentally friendly alternative to using cars and hiking trails with different levels of difficulty to challenge your fitness and discover new landscapes. German wants to run 120 Ironmans in 120 days - even Frodeno thinks he's crazy.