Dean Koenders

Mage 18MTNMORPNUTSUNSTHSC

79 plausible swims · 16 meets · 2023-03-09 → 2025-07-26

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	22.04	AA+0.35s to AAA	2025-03-15	2025 OSI Arena Senior SC Championships venue
100 Freestyle	SCY	47.79	AA+0.10s to AAA	2025-03-16	2025 OSI Arena Senior SC Championships venue
200 Freestyle	SCY	1:48.16	AA+2.77s to AAA	2024-12-06	2024 Tualatin Hills Holiday Classic venue
500 Freestyle	SCY	5:02.35	A+2.66s to AA	2024-11-08	2024 THSC November Invitational venue
100 Backstroke	SCY	55.07	A+1.18s to AA	2024-12-07	2024 Tualatin Hills Holiday Classic venue
200 Backstroke	SCY	2:03.77	A+5.18s to AA	2024-10-19	2024 THSC Fall Invitational venue
50 Breaststroke	SCY	26.61	AAAA	2025-03-16	2025 OSI Arena Senior SC Championships venue
100 Breaststroke	SCY	57.79	AAA+1.60s to AAAA	2025-02-22	2025 OSAA 6A Championships venue
200 Breaststroke	SCY	2:08.76	AA+0.77s to AAA	2025-03-14	2025 OSI Arena Senior SC Championships venue
200 Individual Medley	SCY	1:55.52	AAA+4.63s to AAAA	2025-02-22	2025 OSAA 6A Championships venue
50 Freestyle	LCM	26.13	AA+1.04s to AAA	2025-07-20	2025 Speedo Sectionals - Mt Hood WZ venue
100 Freestyle	LCM	56.74	AA+1.55s to AAA	2025-07-25	2025 OSI Arena 11&O LC Championships venue
200 Freestyle	LCM	2:07.89	A+1.70s to AA	2025-07-18	2025 Speedo Sectionals - Mt Hood WZ venue
400 Freestyle	LCM	4:32.72	A+3.73s to AA	2025-06-06	2025 THSC June Invitational venue
50 Backstroke	LCM	30.70	A+0.11s to AA	2025-05-04	2025 THSC Spring Invitational venue
50 Breaststroke	LCM	30.68	AAAA	2025-07-25	2025 OSI Arena 11&O LC Championships venue
100 Breaststroke	LCM	1:09.16	AA+0.77s to AAA	2024-07-13	2024 Speedo Sectionals - Mt Hood venue
200 Breaststroke	LCM	2:37.12	A+0.63s to AA	2025-07-24	2025 OSI Arena 11&O LC Championships venue
50 Butterfly	LCM	29.05	A+0.46s to AA	2025-06-07	2025 THSC June Invitational venue
200 Individual Medley	LCM	2:20.90	AA+5.21s to AAA	2025-07-24	2025 OSI Arena 11&O LC Championships venue
400 Individual Medley	LCM	5:21.50	BB+3.51s to A	2025-05-02	2025 THSC Spring Invitational venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	21.33	flying	200 Free Relay (leg 3)	2025-02-22	2025 OSAA 6A Championships
100 Freestyle	SCY	46.63	flying	400 Free Relay (leg 3)	2025-02-22	2025 OSAA 6A Championships
50 Breaststroke	SCY	26.02	flying	200 Medley Relay (leg 2)	2025-02-14	2025 OR HS 6a-2
100 Freestyle	LCM	55.15	flying	400 Free Relay (leg 3)	2024-03-15	2024 Northwest Spring Speedo Sectionals
50 Breaststroke	LCM	33.78	flying	200 Medley Relay (leg 2)	2025-07-25	2025 OSI Arena 11&O LC Championships

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 17-18 · SCY

3114 points (4/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:02.35	731
200 BK SCY	2:03.77	662
200 BR SCY	2:08.76	844
200 IM SCY	1:55.52	877
200 FL SCY	—	0
400 IM SCY	—	0

IMR 17-18 · SCY

3279 points (4/5 events — incomplete)

Event	Time	Points
200 FR SCY	1:48.16	794
100 BK SCY	55.07	699
100 BR SCY	57.79	909
200 IM SCY	1:55.52	877
100 FL SCY	—	0

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

PR splits

100 Freestyle SCY 47.79

23.03

24.76

Front half 23.03s · back half 24.76s

200 Freestyle SCY 1:48.16

24.56

27.25

28.14

28.21

Front half 51.81s · back half 56.35s

500 Freestyle SCY 5:02.35

27.02

29.32

30.19

30.17

30.01

30.38

30.94

31.57

31.89

30.86

Front half 146.71s · back half 155.64s

100 Backstroke SCY 55.07

26.46

28.61

Front half 26.46s · back half 28.61s

200 Backstroke SCY 2:03.77

28.32

30.75

32.30

32.40

Front half 59.07s · back half 64.70s

100 Breaststroke SCY 57.79

27.36

30.43

Front half 27.36s · back half 30.43s

200 Breaststroke SCY 2:08.76

29.03

32.47

33.35

33.91

Front half 61.50s · back half 67.26s

200 Individual Medley SCY 1:55.52

25.16

29.36

32.30

28.70

Front half 54.52s · back half 61.00s

200 Freestyle LCM 2:07.89

61.46

66.43

Front half 61.46s · back half 66.43s

400 Freestyle LCM 4:32.72

30.96

34.03

33.99

34.80

33.92

35.21

35.40

34.41

Front half 133.78s · back half 138.94s

200 Breaststroke LCM 2:37.12

36.04

39.93

40.78

40.37

Front half 75.97s · back half 81.15s

200 Individual Medley LCM 2:20.90

66.90

74.00

Front half 66.90s · back half 74.00s

400 Individual Medley LCM 5:21.50

32.65

38.32

42.04

41.87

43.90

46.32

38.73

37.67

Front half 154.88s · back half 166.62s

Reaction time

fastest 0.54s average 0.627s slowest 0.73s 7 electronic starts

Start reaction over time faster starts higher

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.

Progression

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

50 Freestyle SCY 22.04 5 swims

100 Freestyle SCY 47.79 5 swims

200 Freestyle SCY 1:48.16 2 swims

500 Freestyle SCY 5:02.35 1 swim

100 Backstroke SCY 55.07 4 swims

200 Backstroke SCY 2:03.77 1 swim

50 Breaststroke SCY 26.61 3 swims

100 Breaststroke SCY 57.79 10 swims

200 Breaststroke SCY 2:08.76 7 swims

200 Individual Medley SCY 1:55.52 7 swims

50 Freestyle LCM 26.13 2 swims

100 Freestyle LCM 56.74 3 swims

200 Freestyle LCM 2:07.89 1 swim

400 Freestyle LCM 4:32.72 1 swim

50 Backstroke LCM 30.70 1 swim

50 Breaststroke LCM 30.68 3 swims

100 Breaststroke LCM 1:09.16 11 swims

200 Breaststroke LCM 2:37.12 4 swims

50 Butterfly LCM 29.05 1 swim

200 Individual Medley LCM 2:20.90 5 swims

400 Individual Medley LCM 5:21.50 1 swim