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January 21st, 2026

Updates for January 21, 2026

  • Added Critical Speed (CS) progression chart for runners in Analytics - track your running fitness over time
  • New Best Efforts table shows your recent 42-day bests vs season PRs for key distances (400m to 5K)
  • Added pace preference setting: choose between Critical Speed (adaptive) or manual threshold pace from Intervals.icu
  • Goal sport detection now identifies running, cycling, swimming, and multi-sport events for smarter training recommendations
  • AI coach provides running-specific CTL guidelines for races from 5K to ultramarathons
  • Added race day warmup and cooldown options in JustTrain - get proper pre-race preparation and post-race recovery workouts
  • Improved workout duration accuracy - workouts now stay within 10% of your selected duration instead of varying widely
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