Sign Up
6,885,551
Lifetime Meters
173,054
Season Meters

Last 30 Days Activity

Latest Challenges

Mud Season Madness March 1–31
World Erg Challenge March 15–April 15
April Fool's April 1–15

View Challenges

Concept2 Blog

Mar 12 Molly Volmer: Strength in Every Season
Feb 26 Indoor Rowing World Records Fall in 2026
Feb 24 Concept2 Erg HYROX Tips and Tricks
Feb 22 Concept2, More Than Equipment

Mark Houtzager

Log

Date Workout Score Ave Comments Action
10/06/22 10x0:20/3:00r 1,228m 1:21.4 View workout
10/02/22 10000m 41:13.0 2:03.6 View workout
09/30/22 3x3:00/5:00r 2,614m 1:43.2 View workout
09/29/22 3x3:00/3:00r 2,594m 1:44.0 View workout
09/14/22 5x1:00/3:00r 1,625m 1:32.3 View workout
09/03/22 10000m 37:22.8 1:52.1

this started hurting before the half way mark. on a Saturday after a week of resistance training, only did a 1 hour cardio aerobic on Tue…

 View workout
09/03/22 1:07 242m 2:19.0 View workout
08/25/22 10000m 40:32.2 2:01.6 View workout
08/18/22 10000m 40:31.7 2:01.5 View workout
08/15/22 10000m 40:45.1 2:02.2

still hot in the gym. not first stop. recovery training

 View workout
08/13/22 1:00:00 14,381m 2:05.1

32 degrees outside. low rate, first stop. one minute hydration break at 30 mins

View workout
08/12/22 10:00 2,676m 1:52.1 View workout
08/12/22 15x0:30/1:00r 2,318m 1:37.0 View workout
08/10/22 10000m 40:59.5 2:02.9

30 degrees outside

 View workout
08/10/22 1:26 134m 5:21.6 View workout
07/17/22 1:00:00 14,684m 2:02.5 View workout
07/13/22 10000m 38:27.7 1:55.3 View workout
07/07/22 1:00:00 14,512m 2:04.0 View workout
07/04/22 30:00 7,649m 1:57.6 View workout
07/01/22 30:00 8,010m 1:52.3 View workout
06/28/22 1:00:00 14,534m 2:03.8 View workout
06/26/22 30:00 7,375m 2:02.0 View workout
06/25/22 5000m 18:19.9 1:49.9 View workout
06/23/22 10000m 38:16.5 1:54.8 View workout
06/20/22 50:00 12,307m 2:01.8 View workout