Sign Up
1,153,870
Lifetime Meters
170,629
Season Meters

Last 30 Days Activity

Latest Challenges

Holiday Challenge November 27–December 24
January Revolutions January 1–31
Virtual Team Challenge January 1–31

View Challenges

Concept2 Blog

Dec 17 2025 Concept2 Year in Review: Moving Together
Dec 16 Holiday Season Erg Workouts
Dec 15 Two Decades of Concept2 Holiday Challenges and Counting
Dec 14 Twenty-One Holiday Challenges and Still Rowing

Mark Jen

Log

Date Workout Score Ave Comments Action
12/13/21 43:03 10,173m 2:06.9 View workout
12/13/21 500m 2:00.0 2:00.0 View workout
12/09/21 2x3:20/4:00r 1,726m 1:55.8 View workout
12/09/21 2x3:20/4:00r 1,734m 1:55.3 View workout
12/09/21 2x3:20/4:00r 1,881m 1:46.3 View workout
12/09/21 500m 2:00.3 2:00.3 View workout
12/07/21 6x300m/2:00r 6:02.1 1:40.5 View workout
12/06/21 45:02 10,620m 2:07.2 View workout
12/06/21 500m 2:01.3 2:01.3 View workout
12/02/21 2000m 8:58.1 2:14.5 View workout
12/02/21 2x3:20/4:00r 1,708m 1:57.0 View workout
12/02/21 2x3:20/4:00r 1,710m 1:56.9 View workout
12/02/21 2x3:20/4:00r 1,873m 1:46.7 View workout
12/02/21 500m 2:01.1 2:01.1 View workout
11/30/21 11:59 3,012m 1:59.3 View workout
11/30/21 500m 2:01.4 2:01.4 View workout
11/27/21 49:01 11,510m 2:07.7 View workout
11/24/21 4x1000m/2:00r 16:24.9 2:03.1 View workout
11/24/21 5x3:20/4:00r 4,477m 1:51.6 View workout
11/24/21 500m 2:11.6 2:11.6 View workout
11/20/21 41:02 9,670m 2:07.3 View workout
11/20/21 500m 2:02.5 2:02.5 View workout
11/17/21 4:33 1,003m 2:16.0 View workout
11/17/21 4:11 1,004m 2:05.0 View workout
11/17/21 2x3:00/4:00r 1,551m 1:56.0 View workout