Adults from 18 years and older are advised to use the athlete mode when:
- You exercise intensively for at least 12 hours a week for at least 6 months
- You are a bodybuilder
- You are a professional athlete
- You have participated in top sports all your life, or have exercised intensively for at least 12 hours a week (also when you have recently exercised a little less then usual)
- Your heart rate is up to 60 bpm in rest mode.