Vitaly Kostin

Mage 24FGMTAZFL

18 plausible swims · 6 meets · 2018-05-16 → 2026-06-07

Personal records

Event	Course	Best	Date	Meet
50 Freestyle	LCM	23.61	2026-05-22	2026 Terrapin Invite fast pool
100 Freestyle	LCM	50.25	2026-04-30	Fort Lauderdale Open venue
200 Freestyle	LCM	1:50.99	2026-05-01	Fort Lauderdale Open venue
800 Freestyle	LCM	8:39.42	2026-05-23	2026 Terrapin Invite fast pool
50 Butterfly	LCM	24.63	2026-05-22	2026 Terrapin Invite fast pool
100 Butterfly	LCM	54.31	2018-05-16	2025 Toyota US Open Championships
200 Butterfly	LCM	2:04.87	2018-05-16	2025 Toyota US Open Championships

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.

PR splits

100 Freestyle LCM 50.25 RT 0.62s

24.24

26.01

Front half 24.24s · back half 26.01s

200 Freestyle LCM 1:50.99 RT 0.62s

26.14

28.44

28.02

28.39

Front half 54.58s · back half 56.41s

800 Freestyle LCM 8:39.42

61.70

65.54

66.81

65.80

65.55

66.68

64.93

62.41

Front half 259.85s · back half 259.57s

Reaction time

fastest 0.61s average 0.625s slowest 0.64s 10 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 LCM 23.61 2 swims

100 Freestyle LCM 50.25 4 swims

200 Freestyle LCM 1:50.99 4 swims

800 Freestyle LCM 8:39.42 1 swim

50 Butterfly LCM 24.63 1 swim

100 Butterfly LCM 54.31 3 swims

200 Butterfly LCM 2:04.87 3 swims