Wednesday Threshold 2550m Swim Workout

Wednesday Threshold 2550m Swim Workout. A 2550m CSS / threshold session for race-pace fitness. Focus: threshold. Pool: 25 m. Total: 2550 m. About 51 minutes. Blocks: 500m Mixed Warmup 500 m zone: GA1. 4x50m Build 50 m rest 20s zone: WA. 16 rounds of: 100m @ Threshold 100 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.