Wednesday Threshold 2450m Swim Workout

Wednesday Threshold 2450m Swim Workout. A 2450m CSS / threshold session for race-pace fitness. Focus: threshold. Pool: 25 m. Total: 2450 m. About 49 minutes. Blocks: 500m Progressive Warmup 500 m zone: GA1. 4x50m Build 50 m rest 20s zone: WA. 10 rounds of: 150m @ Threshold 150 m zone: WA. 250m Easy Cooldown 250 m zone: ReKom. Open this workout in the free builder to customize reps, rest, zones, and export to PDF or Garmin. See every zone with the Swim Interval Calculator. Check pace and splits with the Swim Pace Calculator.