Sign Up
7,029,635
Lifetime Meters
182,207
Season Meters

Latest Challenges

Holiday Challenge November 28–December 24

View Challenges

Concept2 Blog

Nov 20 Ergatta Releases Wavelength, Their New Flagship Game
Nov 19 Six Partner Workouts to Get You Moving
Nov 4 Strength Meets Innovation: Introducing the Concept2® StrengthErg™
Oct 31 The Power of Strength Training for Rowers: Enhancing Performance, Erg Scores, and Longevity

David Koffman

Log

Date Distance Time Pace Comments Action
05/22/20 3,586m 17:21.8 2:25.2 View workout
05/20/20 3,046m 14:24.0 2:21.8 View workout
05/15/20 914m 5:11.6 2:50.4 View workout
05/13/20 1,034m 4:00.0 1:56.0 View workout
05/13/20 530m 2:20.5 2:12.5 View workout
05/12/20 912m 5:08.4 2:49.0 View workout
05/12/20 520m 3:38.2 3:29.8 View workout
05/12/20 925m 4:30.4 2:26.1 View workout
05/11/20 3,371m 15:21.9 2:16.7 View workout
05/10/20 6,339m 30:24.2 2:23.8 View workout
05/09/20 1,043m 4:41.2 2:14.8 View workout
05/09/20 3,442m 15:28.2 2:14.8 View workout
05/09/20 2,474m 11:46.5 2:22.7 View workout
05/08/20 3,271m 15:21.2 2:20.8 View workout
05/05/20 1,185m 6:05.5 2:34.2 View workout
05/05/20 5,245m 25:24.0 2:25.2 View workout
05/02/20 6,252m 30:26.9 2:26.1 View workout
05/01/20 3,516m 16:57.4 2:24.6 View workout
04/29/20 3,098m 15:28.2 2:29.8 View workout
04/28/20 1,030m 5:45.1 2:47.5 View workout