Sign Up
8,001,622
Lifetime Meters
360,204
Season Meters

Last 30 Days Activity

Latest Challenges

January Revolutions January 1–31
Virtual Team Challenge January 1–31
Tour de SkiErg February 1–28
Military Challenge February 1–28
Valentine Challenge February 9–14

View Challenges

Concept2 Blog

Jan 12 Concept2 Celebrates 25 Years of Holiday Challenges
Jan 6 Letting Go & Loving the Process—A Personal Fitness Account
Jan 3 What is the Best Damper Setting for Me?
Dec 19 2025 World Rowing Indoor Championships Qualification

Mark Sinderson

Log

Date Distance Time Pace Comments Action
08/14/23 8,189m 36:00.0 2:11.8 View workout
08/12/23 7,508m 33:15.3 2:12.8 View workout
08/09/23 10,340m 45:05.9 2:10.8 View workout
08/09/23 1,622m 7:06.0 2:11.3 View workout
08/07/23 7,329m 32:00.0 2:10.9

VO2 Max Intervals (4x3)

 View workout
07/24/23 6,215m 27:00.0 2:10.3 View workout
07/22/23 11,646m 51:57.6 2:13.8 View workout
07/20/23 10,032m 45:01.3 2:14.6 View workout
07/17/23 5,004m 22:35.6 2:15.4 View workout
07/16/23 5,655m 25:02.7 2:12.8 View workout
07/16/23 1,204m 5:41.9 2:21.9 View workout
06/11/23 2,599m 12:01.3 2:18.7 View workout
06/06/23 3,283m 15:01.5 2:17.2 View workout
05/31/23 5,550m 25:02.3 2:15.3 View workout
05/26/23 2,235m 10:03.1 2:14.9 View workout
05/17/23 3,348m 15:03.5 2:14.9 View workout
05/12/23 2,510m 11:44.2 2:20.2 View workout
05/10/23 2,548m 11:48.1 2:18.9 View workout
05/08/23 5,000m 22:42.4 2:16.2 View workout
05/05/23 5,000m 23:18.9 2:19.8 View workout