Oliver Kos

Personal Bests

Best times from available individual swims and official relay lead-offs. Career coverage may be incomplete. Select an event to show its progression.

100 Freestyle

2025 World Aquatics Swimming World Cup · Westmont · Meet 17–19 Oct 2025

—49.02

2025 World Aquatics Swimming World Cup · Westmont · Meet 17–19 Oct 2025

—53.65

2025 World Aquatics Swimming World Cup · Westmont · Meet 17–19 Oct 2025

—1:55.06

100 IM

2025 World Aquatics Swimming World Cup · Westmont · Meet 17–19 Oct 2025

—55.20

2025 World Aquatics Swimming World Cup · Westmont · Meet 17–19 Oct 2025

—1:58.34

400 IM

2021 FINA Swimming World Cup · Budapest · Meet 7–9 Oct 2021

—4:32.02

All Results 21 swims · 6 meets

Meet dates describe the competition. Race dates are shown per swim where available.

2026 NCAA Division I Men's Swimming & Diving · Meet 25–28 Mar 2026

100y Backstroke SCY25 Mar 2026

25 Mar 2026Preliminary3845.95

200y Freestyle SCY25 Mar 2026

25 Mar 2026Preliminary381:33.69

200y Backstroke SCY25 Mar 2026

25 Mar 2026Preliminary181:39.50

2025 World Aquatics Swimming World Cup · Westmont · Meet 17–19 Oct 2025

100 Freestyle SCM

—Heat149.02

100 Backstroke SCM

—Heat753.65

100 IM SCM

—Heat755.20

200 Backstroke SCM

—Heat51:55.06

200 IM SCM

—Heat51:58.34

2025 Big Ten Men's Swimming and Diving Championships · Meet 26 Feb–1 Mar 2025

200 Backstroke SCY

—Consolation Final131:43.42

200 Backstroke SCY

—Preliminary161:44.21

200 IM SCY

—Preliminary351:47.07

400 IM SCY

—Preliminary173:47.72

400 IM SCY

—Bonus Final223:49.02

2023 World Aquatics Swimming World Cup - Budapest · Meet 20–22 Oct 2023

100 Backstroke SCM

—Heat3359.28

200 Backstroke SCM

—Heat272:08.45

200 IM SCM

—Heat242:10.34

2021 FINA Swimming World Cup · Budapest · Meet 7–9 Oct 2021

200 Backstroke SCM

—Heat82:08.32

200 IM SCM

—Heat102:11.08

400 IM SCM

—Final164:32.02

2019 FINA Swimming World Cup · Budapest · Meet 4–6 Oct 2019

200 IM SCM

—Heat52:32.84

200 Backstroke SCM

—Heat42:33.42