Couch to 5K: What the Calculators Say About Your First Race
Your first 5K is 8-12 weeks away. Here is the science-backed plan and the numbers behind it.
A 5K (3.1 miles) is the perfect first race: challenging enough to feel like an achievement, short enough to train for in 8-12 weeks. Here is what the data says about your journey.
Expected First 5K Times
Beginner male (20-35): 28-35 minutes. Beginner female (20-35): 32-40 minutes. Add 2-3 minutes per decade of age. These are finish times, not world records — completing it is the achievement.
The Training Formula
Week 1-4: alternate walking (2 min) and jogging (1 min) for 20-25 minutes, 3x/week. Week 5-8: increase jog intervals to 3-5 minutes. Week 9-12: continuous jogging 20-30 minutes. The key: never increase weekly distance by more than 10%.
Calories and Heart Rate
A 5K burns 300-500 calories depending on weight and pace. Train in Zone 2 (60-70% max heart rate) — you should be able to hold a conversation. If you are gasping, slow down. Going slower builds a stronger aerobic base.
Plan your pace with our pace calculator, check your training zones with the heart rate zone calculator, and track calories with the calorie burn calculator.