Charlene O'Brien

Fage 69PNKM

6 plausible swims · 1 meets · 2025-08-07 → 2025-08-10

Personal records

Event	Course	Best	Cut	Date	Meet
400 Freestyle	LCM	5:41.28	+49.49s to Sectionals	2025-08-08	2025 USMS Summer Nationals- OBSERVED venue
800 Freestyle	LCM	11:40.48	+94.49s to Sectionals	2025-08-09	2025 USMS Summer Nationals- OBSERVED venue
50 Backstroke	LCM	41.34	+11.55s to Futures	2025-08-07	2025 USMS Summer Nationals- OBSERVED venue
100 Backstroke	LCM	1:33.93	+22.54s to Sectionals	2025-08-08	2025 USMS Summer Nationals- OBSERVED venue
100 Breaststroke	LCM	1:48.05	+27.06s to Sectionals	2025-08-10	2025 USMS Summer Nationals- OBSERVED venue
50 Butterfly	LCM	36.02	+7.63s to Futures	2025-08-10	2025 USMS Summer Nationals- OBSERVED venue

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

Leg	Course	Time	Start	Relay	Date	Meet
50 Butterfly	LCM	35.94	flying	200 Medley Relay (leg 3)	2025-08-07	2025 USMS Summer Nationals- OBSERVED

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

PR splits

400 Freestyle LCM 5:41.28 RT 0.77s

38.28

42.85

44.15

43.89

43.74

42.94

43.14

42.29

Front half 169.17s · back half 172.11s

800 Freestyle LCM 11:40.48 RT 0.85s

39.08

44.46

45.09

45.23

44.70

44.77

44.34

43.99

44.01

43.47

43.60

43.69

43.89

44.16

43.95

42.05

Front half 351.66s · back half 348.82s

100 Backstroke LCM 1:33.93 RT 0.98s

45.25

48.68

Front half 45.25s · back half 48.68s

100 Breaststroke LCM 1:48.05 RT 0.90s

51.20

56.85

Front half 51.20s · back half 56.85s

Reaction time

fastest 0.77s average 0.892s slowest 0.98s 5 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.

400 Freestyle LCM 5:41.28 1 swim

800 Freestyle LCM 11:40.48 1 swim

50 Backstroke LCM 41.34 1 swim

100 Backstroke LCM 1:33.93 1 swim

100 Breaststroke LCM 1:48.05 1 swim

50 Butterfly LCM 36.02 1 swim