Sign Up
16,273,389
Lifetime Meters
1,125,847
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 Petersen

Log

Date Workout Score Ave Comments Action
04/05/23 9000m View workout
04/04/23 4000m View workout
04/03/23 5000m View workout
04/01/23 4000m View workout
03/31/23 6000m View workout
03/29/23 2500m View workout
03/28/23 1400m View workout
03/28/23 4000m View workout
03/27/23 4000m View workout
03/26/23 1100m View workout
03/26/23 2000m View workout
03/24/23 15000m View workout
03/23/23 1100m View workout
03/23/23 1100m View workout
03/23/23 7200m View workout
03/21/23 5000m View workout
03/20/23 7000m View workout
03/18/23 5:00 1,300m 1:55.3 View workout
03/18/23 8:18 1,748m 2:22.6 View workout
03/18/23 5000m View workout
03/17/23 6000m View workout
03/16/23 5500m View workout
03/15/23 1000m View workout
03/15/23 5000m View workout
03/13/23 10500m View workout