Sign Up
7,012,992
Lifetime Meters
165,564
Season Meters

Last 30 Days Activity

Latest Challenges

Fall Team Challenge September 15–October 15

View Challenges

Concept2 Blog

Sep 13 Strength and Fitness: The 401K for Your Body
Sep 12 Concept2’s Dan Brooks' Endurance Coastal Row: The Blackburn Challenge 2024
Aug 16 5 Favorite SkiErg and Kettlebell Workouts
Aug 13 2024 Paris Olympics Rowing Roundup

David Koffman

Log

Date Distance Time Pace Comments Action
04/20/17 6,409m 30:26.0 2:22.4 View workout
04/17/17 8,000m 38:28.4 2:24.2 View workout
04/16/17 4,000m 15:48.6 1:58.5 View workout
04/15/17 7,034m 31:05.1 2:12.5 View workout
04/14/17 6,554m 30:34.3 2:19.9 View workout
04/11/17 2,552m 11:52.7 2:19.6 View workout
04/10/17 5,115m 23:05.3 2:15.4 View workout
04/09/17 5,617m 25:30.8 2:16.2 View workout
04/08/17 6,789m 30:47.5 2:16.0 View workout
03/31/17 5,044m 23:15.1 2:18.2 View workout
03/28/17 4,432m 20:16.4 2:17.2 View workout
03/27/17 5,547m 24:45.5 2:13.9 View workout
03/25/17 4,510m 20:40.2 2:17.4 View workout
03/24/17 7,008m 32:18.8 2:18.3 View workout
03/23/17 3,408m 15:33.1 2:16.8 View workout
03/22/17 3,071m 14:06.0 2:17.7 View workout
03/21/17 3,569m 16:38.8 2:19.9 View workout
03/20/17 2,000m 8:33.3 2:08.3 View workout
03/19/17 7,044m 31:27.1 2:13.9 View workout
03/18/17 7,532m 34:27.6 2:17.2 View workout