Ollie Belasco

Mage 15MTNMBOZMTUN

426 plausible swims · 45 meets · 2018-01-01 → 2026-04-19

Personal records

Event	Course	Best	Cut	Date	Meet
25 Freestyle	SCY	11.47		2025-05-31	2025 WY LSC June Open venue
50 Freestyle	SCY	23.53	AA+0.84s to AAA	2026-02-14	2026 MHSA USA High School State Observed venue
100 Freestyle	SCY	49.01	AAA+1.52s to AAAA	2026-02-14	2026 MHSA USA High School State Observed venue
200 Freestyle	SCY	1:49.04	AA+0.35s to AAA	2026-02-14	2026 MHSA USA High School State Observed venue
500 Freestyle	SCY	5:03.33	AA+7.64s to AAA	2025-02-13	2025 MHSA USA State Swim Meet venue
1000 Freestyle	SCY	10:43.38	AA+27.59s to AAA	2024-12-08	2024 Holiday Swim Festival venue
1650 Freestyle	SCY	17:41.44	AA+33.95s to AAA	2024-12-05	2024 Holiday Swim Festival venue
25 Backstroke	SCY	22.31		2021-12-11	2021 MT BOZ TYR TEDDY BEAR CLASSIC
50 Backstroke	SCY	26.47	AA+0.78s to AAA	2026-02-27	2026 MT Swimming SC State Championships venue
100 Backstroke	SCY	53.67	AAA+1.58s to AAAA	2026-02-14	2026 MHSA USA High School State Observed venue
200 Backstroke	SCY	1:57.27	AAA+3.38s to AAAA	2026-02-28	2026 MT Swimming SC State Championships venue
50 Breaststroke	SCY	30.74	AA+1.25s to AAA	2025-12-04	2025 Holiday Swim Festival
100 Breaststroke	SCY	1:09.55	BB+2.16s to A	2025-01-01	2025 BOZ TEDDY BEAR CLASSIC
200 Breaststroke	SCY	2:30.01	BB+3.02s to A	2024-12-07	2024 Holiday Swim Festival venue
25 Butterfly	SCY	26.06		2025-05-31	2025 WY LSC June Open
50 Butterfly	SCY	25.10	AAA+0.81s to AAAA	2026-03-01	2026 MT Swimming SC State Championships venue
100 Butterfly	SCY	53.98	AAA+2.49s to AAAA	2026-03-14	2026 NW Spring Speedo Sectionals - Boise venue
200 Butterfly	SCY	1:58.61	AAA+3.12s to AAAA	2026-02-27	2026 MT Swimming SC State Championships venue
100 Individual Medley	SCY	1:01.14		2024-05-18	2024 MT Arena BAC Summer Splash Invite venue
200 Individual Medley	SCY	2:04.50	AA+3.31s to AAA	2025-03-20	Southwest Age Group Regional 2025
400 Individual Medley	SCY	4:31.24	AA+10.75s to AAA	2025-03-21	Southwest Age Group Regional 2025 venue
50 Freestyle	LCM	28.42	A+1.03s to AA	2025-06-21	2025 MT MAC 44th Annual Firecracker Classic venue
100 Freestyle	LCM	1:00.99	A+1.30s to AA	2024-07-21	2024 MT Swimming LC State Championships venue
200 Freestyle	LCM	2:12.69	A+1.20s to AA	2024-08-08	2024 Western Zone Age Group Championships venue
400 Freestyle	LCM	4:43.02	A+3.13s to AA	2024-08-09	2024 Western Zone Age Group Championships venue
1500 Freestyle	LCM	18:59.38	A+23.09s to AA	2024-07-21	2024 MT Swimming LC State Championships venue
50 Backstroke	LCM	33.72	BB+0.53s to A	2025-07-12	2025 MT HLST Last Chance Invitational slow pool
100 Backstroke	LCM	1:07.72	A+1.03s to AA	2025-07-20	2025 MT Swimming LC State Championships venue
200 Backstroke	LCM	2:22.59	AA+4.10s to AAA	2025-07-19	2025 MT Swimming LC State Championships venue
50 Breaststroke	LCM	36.77	BB+0.28s to A	2026-04-18	2026 MT BOZ Spring Chicken venue
100 Breaststroke	LCM	1:22.44	BB+4.05s to A	2026-04-19	2026 MT BOZ Spring Chicken venue
50 Butterfly	LCM	29.90	AA+1.21s to AAA	2026-04-18	2026 MT BOZ Spring Chicken venue
100 Butterfly	LCM	1:04.41	AA+2.72s to AAA	2025-07-19	2025 MT Swimming LC State Championships venue
200 Butterfly	LCM	2:29.36	A+5.07s to AA	2025-07-18	2025 MT Swimming LC State Championships venue
200 Individual Medley	LCM	2:30.58	A+3.69s to AA	2024-08-10	2024 Western Zone Age Group Championships venue
400 Individual Medley	LCM	5:21.15	A+5.56s to AA	2024-08-08	2024 Western Zone Age Group Championships venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	25.17	flat	200 Free Relay	2025-03-22	Southwest Age Group Regional 2025
50 Freestyle	SCY	23.60	flying	200 Free Relay (leg 4)	2024-12-06	2024 Holiday Swim Festival
100 Freestyle	SCY	53.88	flat	400 Free Relay	2025-03-23	Southwest Age Group Regional 2025
100 Freestyle	SCY	49.93	flying	400 Free Relay (leg 2)	2026-03-13	2026 NW Spring Speedo Sectionals - Boise
50 Backstroke	SCY	26.59	flat	200 Medley Relay	2026-03-12	2026 NW Spring Speedo Sectionals - Boise
100 Backstroke	SCY	56.77	flat	400 Medley Relay	2025-12-05	2025 Holiday Swim Festival
50 Breaststroke	SCY	30.62	flying	200 Medley Relay (leg 2)	2025-03-22	Southwest Age Group Regional 2025
100 Breaststroke	SCY	1:07.59	flying	400 Medley Relay (leg 2)	2025-03-21	Southwest Age Group Regional 2025
50 Butterfly	SCY	25.79	flying	200 Medley Relay (leg 3)	2024-12-07	2024 Holiday Swim Festival
100 Butterfly	SCY	53.15	flying	400 Medley Relay (leg 3)	2026-03-15	2026 NW Spring Speedo Sectionals - Boise
50 Freestyle	LCM	27.45	flying	200 Free Relay (leg 3)	2024-08-10	2024 Western Zone Age Group Championships
100 Freestyle	LCM	1:01.17	flying	400 Free Relay (leg 4)	2024-07-19	2024 MT Swimming LC State Championships
50 Backstroke	LCM	32.63	flat	200 Medley Relay	2024-08-08	2024 Western Zone Age Group 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 15-16 · SCY

4491 points (6/6 events)

Event	Time	Points
500 FR SCY	5:03.33	755
200 BK SCY	1:57.27	840
200 BR SCY	2:30.01	582
200 FL SCY	1:58.61	857
200 IM SCY	2:04.50	751
400 IM SCY	4:31.24	706

IMR 15-16 · SCY

3794 points (5/5 events)

Event	Time	Points
200 FR SCY	1:49.04	818
100 BK SCY	53.67	842
100 BR SCY	1:09.55	570
100 FL SCY	53.98	813
200 IM SCY	2:04.50	751

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

PR splits

100 Freestyle SCY 49.01

23.53

25.48

Front half 23.53s · back half 25.48s

200 Freestyle SCY 1:49.04

24.98

27.65

28.47

27.94

Front half 52.63s · back half 56.41s

500 Freestyle SCY 5:03.33

26.71

29.26

29.75

30.34

31.09

31.51

31.75

31.65

31.37

29.90

Front half 147.15s · back half 156.18s

1650 Freestyle SCY 17:41.44

27.39

30.08

31.00

31.47

31.73

32.07

32.42

32.25

33.13

32.63

32.74

32.63

33.15

33.16

32.70

32.88

32.94

32.82

33.30

32.89

33.02

33.15

32.88

33.07

32.28

32.37

31.87

31.54

31.88

31.94

31.57

30.76

31.73

100 Backstroke SCY 53.67

25.86

27.81

Front half 25.86s · back half 27.81s

200 Backstroke SCY 1:57.27

27.07

29.03

30.66

30.51

Front half 56.10s · back half 61.17s

200 Breaststroke SCY 2:30.01

33.49

38.12

39.35

39.05

Front half 71.61s · back half 78.40s

100 Butterfly SCY 53.98

25.25

28.73

Front half 25.25s · back half 28.73s

200 Butterfly SCY 1:58.61

26.26

29.24

31.12

31.99

Front half 55.50s · back half 63.11s

100 Individual Medley SCY 1:01.14

28.21

32.93

Front half 28.21s · back half 32.93s

400 Individual Medley SCY 4:31.24

27.55

31.81

35.03

35.13

39.35

40.20

31.77

30.40

Front half 129.52s · back half 141.72s

100 Freestyle LCM 1:00.99

29.45

31.54

Front half 29.45s · back half 31.54s

200 Freestyle LCM 2:12.69

63.24

69.45

Front half 63.24s · back half 69.45s

400 Freestyle LCM 4:43.02

64.51

71.26

73.40

73.85

Front half 135.77s · back half 147.25s

1500 Freestyle LCM 18:59.38

33.79

36.34

36.21

37.84

37.56

37.80

33.31

42.66

35.75

41.49

33.59

43.20

38.75

38.45

37.58

39.83

38.71

38.37

39.05

38.44

38.76

37.95

38.58

37.99

38.35

38.02

38.53

38.00

38.03

36.45

Front half 564.32s · back half 575.06s

200 Backstroke LCM 2:22.59

69.36

73.23

Front half 69.36s · back half 73.23s

200 Butterfly LCM 2:29.36

67.97

81.39

Front half 67.97s · back half 81.39s

200 Individual Medley LCM 2:30.58

67.29

83.29

Front half 67.29s · back half 83.29s

400 Individual Medley LCM 5:21.15

69.04

81.69

95.52

74.90

Front half 150.73s · back half 170.42s

Reaction time

fastest 0.70s average 0.760s slowest 0.84s 4 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.

25 Freestyle SCY 11.47 1 swim

50 Freestyle SCY 23.53 19 swims

100 Freestyle SCY 49.01 25 swims

200 Freestyle SCY 1:49.04 27 swims

500 Freestyle SCY 5:03.33 13 swims

1000 Freestyle SCY 10:43.38 3 swims

1650 Freestyle SCY 17:41.44 7 swims

25 Backstroke SCY 22.31 2 swims

50 Backstroke SCY 26.47 18 swims

100 Backstroke SCY 53.67 27 swims

200 Backstroke SCY 1:57.27 29 swims

50 Breaststroke SCY 30.74 9 swims

100 Breaststroke SCY 1:09.55 12 swims

200 Breaststroke SCY 2:30.01 13 swims

25 Butterfly SCY 26.06 1 swim

50 Butterfly SCY 25.10 17 swims

100 Butterfly SCY 53.98 33 swims

200 Butterfly SCY 1:58.61 25 swims

100 Individual Medley SCY 1:01.14 4 swims

200 Individual Medley SCY 2:04.50 20 swims

400 Individual Medley SCY 4:31.24 9 swims

50 Freestyle LCM 28.42 3 swims

100 Freestyle LCM 1:00.99 12 swims

200 Freestyle LCM 2:12.69 9 swims

400 Freestyle LCM 4:43.02 9 swims

1500 Freestyle LCM 18:59.38 4 swims

50 Backstroke LCM 33.72 3 swims

100 Backstroke LCM 1:07.72 11 swims

200 Backstroke LCM 2:22.59 12 swims

50 Breaststroke LCM 36.77 4 swims

100 Breaststroke LCM 1:22.44 3 swims

50 Butterfly LCM 29.90 8 swims

100 Butterfly LCM 1:04.41 16 swims

200 Butterfly LCM 2:29.36 7 swims

200 Individual Medley LCM 2:30.58 8 swims

400 Individual Medley LCM 5:21.15 2 swims