Aerobic Power Outdoor Ride: 3×15-Minute Zone 3 Blocks
Session Overview This 75-minute outdoor ride builds sustained aerobic power through three 15-minute blocks at Zone 3 — the often-neglected training zone between easy endurance and threshold. Regular Zone 3 work raises your sustainable bike pace at Olympic and 70.3 distances without the recovery cost of full threshold sessions. What You’ll Need Road bike or…