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World Erg Challenge March 15–April 15
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Marathon and Century Challenge May 1–15

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Concept2 Blog

Mar 18 Women Who Move Us Forward: Bari Dreissigacker and Judy Geer
Mar 17 Kelsey Pfendler: A River Guide’s Journey to a Solo Pacific Crossing
Mar 16 Strength On and Off Duty: McCall Hoyt
Mar 12 Molly Vollmer: Strength in Every Season

Vlastimil Simcik

Log

Date Workout Score Ave Comments Action
04/01/26 v30:00/3:00r...1 6,230m 2:24.4

Detected some HRM instability.

 View workout
03/26/26 v30:00/3:00r...1 6,071m 2:28.2

Detected some HRM instability.

 View workout
03/24/26 3:00 242m 6:11.9 View workout
03/24/26 30:00 6,142m 2:26.5

Detected some HRM instability.

 View workout
03/20/26 1:15 114m 5:28.9 View workout
03/20/26 30:00 5,874m 2:33.2

Detected some HRM instability.

 View workout
03/17/26 2:04 244m 4:14.3 View workout
03/17/26 20:00 3,727m 2:40.9 View workout
03/10/26 2:07 229m 4:38.6 View workout
03/10/26 20:00 3,900m 2:33.8 View workout
02/13/26 1:27 122m 5:59.8 View workout
02/13/26 20:00 4,059m 2:27.8 View workout
02/02/26 2:08 219m 4:52.6 View workout
02/02/26 20:00 4,023m 2:29.1 View workout
01/21/26 3:03 294m 5:11.9 View workout
01/21/26 20:00 4,051m 2:28.1 View workout
12/10/25 4:00 408m 4:54.1 View workout
12/10/25 20:00 4,066m 2:27.5 View workout
12/03/25 2:07 212m 5:00.9 View workout
12/03/25 20:00 3,933m 2:32.5 View workout
11/26/25 20:00 3,734m 2:40.6 View workout
10/03/25 1x17:00/3:00r 3,356m 2:31.9 View workout
09/28/25 1x17:00/3:00r 3,423m 2:28.9 View workout
09/23/25 1x17:00/3:00r 3,262m 2:36.3 View workout
09/18/25 3:00 353m 4:14.9 View workout