Sign Up
16,275,389
Lifetime Meters
1,127,847
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
10/19/23 750m View workout
10/19/23 750m View workout
10/19/23 5000m View workout
10/18/23 6000m View workout
10/17/23 6000m View workout
10/16/23 12000m View workout
10/13/23 15000m View workout
10/12/23 750m View workout
10/12/23 5000m View workout
10/11/23 5000m View workout
10/10/23 5000m View workout
10/09/23 10000m View workout
10/07/23 3000m View workout
10/06/23 6000m View workout
10/05/23 750m View workout
10/05/23 750m View workout
10/05/23 3000m View workout
10/04/23 18000m View workout
10/03/23 6000m View workout
10/02/23 250m View workout
10/02/23 750m View workout
10/02/23 5000m View workout
09/30/23 750m View workout
09/30/23 6000m View workout
09/29/23 7000m View workout