swimstats

Mason Kassebaum

Mage 8COCZIAMWHUSKMW

263 plausible swims · 33 meets · 2012-02-17 → 2026-01-01

Personal records

EventCourseBest CutDateMeet
25 Freestyle SCY 17.56 2026-01-01 Lincoln NE, Devaney Center - 25 yd
50 Freestyle SCY 22.96 Sectionals ✓+1.67s to Futures 2012-02-17 2024 IA IFLY A3Midwest Challenge
100 Freestyle SCY 50.34 Sectionals ✓+3.95s to Futures 2012-02-17 2024 IA IFLY A3Midwest Challenge
200 Freestyle SCY 2:17.31 +25.52s to Sectionals 2019-03-01 2019 MW HLA Midwestern Qualifier 8 & U Final
500 Freestyle SCY 5:39.59 +36.90s to Sectionals 2020-01-18 2020 MW Midwest All Stars
25 Backstroke SCY 21.52 2026-01-01 Lincoln NE, Devaney Center - 25 yd
50 Backstroke SCY 30.61 +6.92s to Futures 2020-01-18 2020 MW Midwest All Stars
100 Backstroke SCY 54.12 Sectionals ✓+2.63s to Futures 2012-02-17 2024 IA IFLY A3Midwest Challenge
200 Backstroke SCY 2:24.92 +23.63s to Sectionals 2019-03-22 2019 MW Midwestern Short Course Championship
25 Breaststroke SCY 24.26 2026-01-01 Lincoln NE, Devaney Center - 25 yd
50 Breaststroke SCY 34.92 +8.63s to Futures 2020-01-18 2020 MW Midwest All Stars
100 Breaststroke SCY 1:14.55 +11.36s to Sectionals 2020-01-18 2020 MW Midwest All Stars
200 Breaststroke SCY 2:20.65 +3.36s to Sectionals 2012-02-17 2024 IA IFLY A3Midwest Challenge
25 Butterfly SCY 21.63 2026-01-01 Lincoln NE, Devaney Center - 25 yd
50 Butterfly SCY 31.56 +8.67s to Futures 2019-03-22 2019 MW Midwestern Short Course Championship
100 Butterfly SCY 1:07.23 +12.04s to Sectionals 2020-01-18 2020 MW Midwest All Stars
100 Individual Medley SCY 1:12.50 2017-06-08 Elkhorn NE Common Ground 25 yd
200 Individual Medley SCY 2:04.46 +0.47s to Sectionals 2012-02-17 2024 IA IFLY A3Midwest Challenge
50 Freestyle LCM 26.69 Sectionals ✓+2.10s to Futures 2024-07-26 2024 MW Midwestern LC Championship
100 Freestyle LCM 59.14 +0.15s to Sectionals 2024-07-26 2024 MW Midwestern LC Championship
50 Backstroke LCM 29.50 +1.61s to Futures 2024-07-10 2024 MV CZ Region VIII Speedo Summer
100 Backstroke LCM 1:03.74 Sectionals ✓+3.15s to Futures 2024-07-12 Region VIII Speedo Summer Sectionalsvenue
200 Backstroke LCM 2:20.65 Sectionals ✓+8.76s to Futures 2024-07-26 2024 MW Midwestern LC Championship
50 Breaststroke LCM 41.54 +10.65s to Futures 2019-07-25 2019 MW Midwestern Long Course Championship
100 Breaststroke LCM 1:14.18 +0.48s to Sectionals 2024-06-20 2024 MW LSS Capital City Classic
200 Breaststroke LCM 3:21.68 +40.80s to Sectionals 2019-06-20 2019 MW LSS Capital City Classic
50 Butterfly LCM 34.37 +8.08s to Futures 2019-06-20 2019 MW LSS Capital City Classic
100 Butterfly LCM 1:04.54 +1.45s to Sectionals 2024-06-20 2024 MW LSS Capital City Classic
200 Individual Medley LCM 2:23.24 Sectionals ✓+10.45s to Futures 2024-07-13 Region VIII Speedo Summer Sectionalsvenue

National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.

Fastest relay legs

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 31.33 flying 200 Free Relay (leg 2) 2018-01-14 2018 MW Midwest All Stars
50 Breaststroke SCY 40.92 flying 200 Medley Relay (leg 2) 2018-01-13 2018 MW Midwest All Stars

Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.

IMX / IMR

IMX 10 & under · SCY

5302 points (5/5 events)

EventTime Points
200 FR SCY 2:17.31 902
100 BK SCY 54.12 1100
100 BR SCY 1:14.55 1100
100 FL SCY 1:07.23 1100
200 IM SCY 2:04.46 1100

IMR 10 & under · LCM

5324 points (5/5 events)

EventTime Points
100 FR LCM 59.14 1100
50 BK LCM 29.50 1100
50 BR LCM 41.54 996
50 FL LCM 34.37 1028
200 IM LCM 2:23.24 1100

Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.

PR splits

100 Freestyle SCY 50.34

24.11
26.23

Front half 24.11s · back half 26.23s

100 Backstroke SCY 54.12

25.94
28.18

Front half 25.94s · back half 28.18s

200 Breaststroke SCY 2:20.65

30.69
36.25
36.65
37.06

Front half 66.94s · back half 73.71s

200 Individual Medley SCY 2:04.46

25.75
32.18
36.46
30.07

Front half 57.93s · back half 66.53s

100 Backstroke LCM 1:03.74

30.44
33.30

Front half 30.44s · back half 33.30s

200 Individual Medley LCM 2:23.24 RT 0.73s

29.22
35.97
42.16
35.89

Front half 65.19s · back half 78.05s

Reaction time

fastest 0.73s average 0.730s slowest 0.73s 1 electronic start

From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.

Swim history

Every recorded swim, newest first
DateEventCourse TimeAge RoundMeet

Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.

Progression

Faster times are higher. One card per event, all courses & history.

25 Freestyle SCY 17.56 2 swims
50 Freestyle SCY 22.96 18 swims
100 Freestyle SCY 50.34 8 swims
200 Freestyle SCY 2:17.31 3 swims
500 Freestyle SCY 5:39.59 2 swims
25 Backstroke SCY 21.52 1 swim
50 Backstroke SCY 30.61 22 swims
100 Backstroke SCY 54.12 13 swims
200 Backstroke SCY 2:24.92 4 swims
25 Breaststroke SCY 24.26 2 swims
50 Breaststroke SCY 34.92 25 swims
100 Breaststroke SCY 1:14.55 17 swims
200 Breaststroke SCY 2:20.65 2 swims
25 Butterfly SCY 21.63 7 swims
50 Butterfly SCY 31.56 21 swims
100 Butterfly SCY 1:07.23 12 swims
100 Individual Medley SCY 1:12.50 23 swims
200 Individual Medley SCY 2:04.46 9 swims
50 Freestyle LCM 26.69 4 swims
100 Freestyle LCM 59.14 3 swims
50 Backstroke LCM 29.50 11 swims
100 Backstroke LCM 1:03.74 10 swims
200 Backstroke LCM 2:20.65 6 swims
50 Breaststroke LCM 41.54 5 swims
100 Breaststroke LCM 1:14.18 8 swims
200 Breaststroke LCM 3:21.68 1 swim
50 Butterfly LCM 34.37 7 swims
100 Butterfly LCM 1:04.54 6 swims
200 Individual Medley LCM 2:23.24 11 swims