Runna | Running Coaching App on Instagram: "When it comes to drills, it’s not about how many you do - it’s about how you do them. Runna coach @kaylajeter_ shares why quality > quantity 👇 ⚡️ Speed drills are higher intensity and help to: • reinforce proper running form • develop power • improve cadence • directly carry over to endurance pace ⚡️ Endurance drills slow things down to: • challenge balance and stability • expose side-to-side imbalances • strengthen your non-dominant side over time #S