Run Blog
Marathon Training: What Is Zone 5 / VO2 Max?
Discover why Zone 5 VO2 max training is vital for peak marathon performance. Learn how high-intensity efforts unlock speed, power and race-day strength.
Marathon Training: What Is Zone 4 / Threshold?
Discover why Zone 4 threshold runs are essential for smarter marathon training. Learn how controlled intensity builds stamina, pace control and race-day efficiency.
Marathon Training: What Is Zone 3 / Tempo?
Discover why Zone 3 tempo runs are essential for smarter marathon training. Learn how sustained efforts build aerobic strength, pacing control and long-distance performance.
Marathon Training: What Is Zone 2 / Endurance?
Discover why Zone 2 endurance runs are essential for smarter marathon training. Learn how steady aerobic pacing builds lasting strength, efficiency and confidence.
Marathon Training: What Is Zone 1 / Recovery?
Discover why Zone 1 recovery runs are essential for smarter marathon training. Learn how easy-effort days reduce fatigue, support adaptation and build consistency.
Half Marathon Training: What Is Zone 5 / VO2 Max?
Discover why Zone 5 VO2 Max runs are essential for smarter half marathon training. Learn how short, high-intensity efforts develop speed, power and finishing strength.
Half Marathon Training: What Is Zone 4 / Threshold?
Discover why Zone 4 threshold runs are essential for smarter half marathon training. Learn how strong, controlled efforts build speed, stamina and race-day efficiency.
Half Marathon Training: What Is Zone 3 / Tempo?
Discover why Zone 3 tempo runs are essential for smarter half marathon training. Learn how sustained efforts improve aerobic power, pacing control and long-run confidence.
Half Marathon Training: What Is Zone 2 / Endurance?
Discover why Zone 2 endurance runs are essential for smarter half marathon training. Learn how aerobic pacing builds stamina, improves efficiency and supports long-distance success.
Half Marathon Training: What Is Zone 1 / Recovery?
Discover why Zone 1 recovery runs are essential for smarter half marathon training. Learn how low-intensity effort supports endurance, reduces fatigue and boosts consistency.
10K Training: What Is Zone 5 / VO2 Max?
Discover why Zone 5 VO₂ Max runs are essential for smarter 10K training. Learn how high-intensity intervals improve speed, power and race-day resilience.
10K Training: What Is Zone 4 / Threshold?
Discover why Zone 4 threshold runs are essential for smarter 10K training. Learn how controlled intensity improves speed, stamina and race performance.
10K Training: What Is Zone 3 / Tempo?
Discover why Zone 3 tempo runs are essential for smarter 10K training. Learn how controlled efforts build aerobic strength, pacing control and long-distance confidence.
10K Training: What Is Zone 2 / Endurance?
Discover why Zone 2 endurance runs are essential for smarter 10K training. Learn how steady aerobic effort builds fitness, improves pacing and supports race performance.
10K Training: What Is Zone 1 / Recovery?
Discover why Zone 1 recovery runs are essential for smarter 10K training. Learn how low-intensity sessions reduce fatigue, support aerobic health and improve consistency.
5K Training: What Is Zone 5 / VO2 Max?
Discover why Zone 5 / VO2 Max runs are essential for smarter 5K training. Learn how short, intense intervals develop top-end speed, improve oxygen uptake and sharpen finishing power.
5K Training: What Is Zone 4 / Threshold?
Zone 4 training develops speed endurance and pacing control for 5K racing. These sessions help you hold a hard effort without fading, perfect for race sharpening.
5K Training: What Is Zone 3 / Tempo?
Discover what Zone 3 running is, why it’s also called Tempo running, and how it fits into your 5K training. Build stamina, pacing skills, and race day strength with smart Zone 3 sessions.
5K Training: What Is Zone 2 / Endurance?
Discover why Zone 2 endurance runs are essential for smarter 5K training. Learn how steady aerobic effort improves performance, builds pacing control and supports long-term progress.
5K Training: What Is Zone 1 / Recovery?
Discover why Zone 1 recovery runs are essential for smarter 5K training. Learn how easy-effort days support performance, reduce injury risk, and build long-term endurance.