Sign Up
2,978,475
Lifetime Meters
169,739
Season Meters

Last 30 Days Activity

Latest Challenges

Juneteenth June 19
Summer Solstice June 21

View Challenges

Concept2 Blog

Jun 5 Join the 2026 Juneteenth Challenge to Give Back
Jun 2 Daniel Eden’s Journey Toward a 24-Hour Ski Record
May 27 Why Concept2 is an Option for Military Fitness Testing
May 22 World Rowing Indoor Championships Update: Birmingham 2026

Cathy Zack

Log

Date Workout Score Ave Comments Action
05/20/26 500m 2:42.6 2:42.6 View workout
05/20/26 1000m 5:11.0 2:35.5 View workout
05/20/26 1000m 5:53.4 2:56.7 View workout
05/19/26 2000m 9:49.7 2:27.4 View workout
05/19/26 500m 2:12.0 2:12.0 View workout
05/19/26 2000m 9:07.2 2:16.8 View workout
05/19/26 1000m 5:16.1 2:38.0 View workout
05/19/26 1000m 5:50.5 2:55.2 View workout
05/18/26 1000m 5:22.2 2:41.1 View workout
05/18/26 4:00 886m 2:15.4 View workout
05/18/26 1000m 4:30.7 2:15.3 View workout
05/18/26 500m 2:04.4 2:04.4 View workout
05/18/26 v500m/2:00r...2 1,023m 2:11.9 View workout
05/18/26 1000m 5:08.2 2:34.1 View workout
05/18/26 1000m 5:44.0 2:52.0 View workout
05/16/26 v1:00/2:00r...5 2,940m 2:12.6 View workout
05/16/26 1000m 5:41.6 2:50.8 View workout
05/16/26 1000m 5:10.4 2:35.2 View workout
05/15/26 500m 2:12.2 2:12.2 View workout
05/15/26 500m 2:06.0 2:06.0 View workout
05/15/26 v3:00/2:00r...4 2,644m 2:16.1 View workout
05/15/26 1000m 5:00.6 2:30.3 View workout
05/15/26 1000m 5:37.2 2:48.6 View workout
05/15/26 8:00.0 1,200m 3:20.0 View workout
05/13/26 0:25 91m 2:21.2 View workout