Sign Up
12,263,199
Lifetime Meters
561,871
Season Meters

Last 30 Days Activity

Latest Challenges

Fall Team Challenge September 15–October 15
Skeleton Crew October 25–31

View Challenges

Concept2 Blog

Sep 21 Concept2: The Best Low-Impact Cardio Exercise Equipment
Sep 18 Millions of Meters for Ken Zaremba
Aug 25 Routine Maintenance for Your Concept2 Erg
Aug 24 Strength in the Open Ocean: Kelsey Pfendler’s Pacific Crossing

Mark Vanderkooi

Log

Date Workout Score Ave Comments Action
09/29/26 v5:00/1:30r...5 8,935m 2:21.0 View workout
09/26/26 v2:00/1:00r...7 7,175m 2:22.1 View workout
09/24/26 10x500m/1:30r 12:43.7 2:32.7 View workout
09/22/26 v6:00/1:30r...5 5,061m 2:22.2 View workout
09/19/26 8x750m/1:30r 14:48.3 2:28.0 View workout
09/17/26 v500m/0:45r...12 6,000m 2:32.9 View workout
09/15/26 v2000m/2:00r...6 12,000m 2:33.2 View workout
09/12/26 v1:00/1:00r...6 8,009m 2:37.3 View workout
09/10/26 4x1500m/1:30r 16:08.5 2:41.4 View workout
09/08/26 5x1000m/1:30r 12:44.5 2:32.9 View workout
09/07/26 4x3000m/1:30r 29:47.3 2:28.9 View workout
09/05/26 4x1500m/1:30r 15:28.1 2:34.6 View workout
09/03/26 v0:45/0:45r...17 5,080m 2:30.5 View workout
09/01/26 v4:00/1:30r...7 7,450m 2:33.0 View workout
08/25/26 v2:00/1:00r...8 6,519m 2:27.2 View workout
08/22/26 3x1000m/1:30r 7:34.1 2:31.3 View workout
08/21/26 4x4:00/1:30r 6,561m 2:26.3 View workout
08/18/26 v1:00/1:00r...6 5,357m 2:31.2 View workout
08/15/26 3x3:00/1:30r 3,559m 2:31.7 View workout
08/13/26 4x1500m/1:30r 14:41.2 2:26.8 View workout
08/11/26 v500m/0:45r...12 6,000m 2:26.7 View workout
08/08/26 v1:00/1:00r...5 5,766m 2:36.0 View workout
08/06/26 v1:00/1:00r...6 3,490m 2:34.7 View workout
08/04/26 v1:00/1:00r...10 4,108m 2:26.0 View workout
08/03/26 v1:00/1:00r...5 6,088m 2:27.8 View workout