Sign Up
2,392,115
Lifetime Meters
506,231
Season Meters

Last 30 Days Activity

Latest Challenges

Skeleton Crew October 25–31
Concept2 50th Challenge November 6

View Challenges

Concept2 Blog

Oct 18 Concept2 RowErg, SkiErg, BikeErg & StrengthErg Are HSA/FSA Eligible
Oct 16 Concept2 Retrofits and Accessories: 12 Ways to Update Your Erg
Oct 16 Concept2 and NSCA Foundation Continue Equipment Grant Programs
Oct 12 Concept2 Skinny Coastal Shaft Update

Karsten Natzius

Log

Date Workout Score Ave Comments Action
08/30/26 100m 0:19.1 1:35.5 View workout
08/30/26 4000m 18:51.7 2:21.4 View workout
08/30/26 100m 0:19.0 1:35.0 View workout
08/30/26 3000m 13:29.4 2:14.9 View workout
08/30/26 100m 0:19.0 1:35.0 View workout
08/30/26 2000m 8:57.6 2:14.4 View workout
08/30/26 100m 0:18.9 1:34.5 View workout
08/30/26 1000m 4:21.0 2:10.5 View workout
08/27/26 1:05:30.0 12,000m 2:43.7

Achter Training in Berlin / Technikübungen Strecke/Start

 View workout
08/26/26 1:15:30.0 15,000m 2:31.0

Achter Training in Berlin Technikübungen Strecke/Starts

 View workout
08/23/26 44:17.0 10,016m 2:12.6

Technogym Ergometer

 View workout
08/20/26 100m 0:19.3 1:36.5 View workout
08/20/26 4000m 18:09.0 2:16.1 View workout
08/20/26 500m 1:43.3 1:43.3 View workout
08/20/26 3000m 13:28.1 2:14.6 View workout
08/20/26 100m 0:19.0 1:35.0 View workout
08/20/26 2000m 9:19.1 2:19.7 View workout
08/20/26 500m 1:43.0 1:43.0 View workout
08/20/26 1000m 4:37.7 2:18.8 View workout
08/18/26 10000m 44:04.0 2:12.2 View workout
08/16/26 10000m 44:54.5 2:14.7 View workout
08/14/26 3000m 13:56.0 2:19.3 View workout
08/14/26 10:00 2,194m 2:16.7 View workout
08/14/26 10:00 2,026m 2:28.0 View workout
08/14/26 10:00 2,124m 2:21.2 View workout