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Sebastian K Olesen

born 2008 · male · 🇩🇰 Denmark · Hvidovre Svømmeklub

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Results period: 2025/26 (current)2024/252023/242022/23All-time

The current season is incomplete; the ranking shows results available to date without projections.

Meets
16
Swims
64
Best FINA points
741

Progression — all-time

400 m freestyle 25 m pool
17 swims · best time 3:57.57 · 22.00 faster than the first swim
National record (Denmark) · 3:36.82 3:57.57 3:40.004:00.004:20.00 05.2302.2411.2409.25
400 m freestyle 50 m pool
16 swims · best time 4:05.55 · 24.92 faster than the first swim
National record (Denmark) · 3:44.40 Olympic bronze · 3:42.50 OQT · 3:46.78 4:05.55 3:40.004:00.004:20.00 08.2306.2403.2501.26
200 m freestyle 25 m pool
13 swims · best time 1:53.51 · 9.26 faster than the first swim
National record (Denmark) · 1:42.34 1:53.51 1:40.001:50.002:00.00 05.2304.2403.2502.26
1500 m freestyle 25 m pool
11 swims · best time 15:37.26 · 1:10.63 faster than the first swim
National record (Denmark) · 14:26.74 15:37.26 15:00.0016:00.0017:00.00 12.2307.2402.2509.25
200 m freestyle 50 m pool
9 swims · best time 1:57.09 · 8.06 faster than the first swim
National record (Denmark) · 1:46.94 Olympic bronze · 1:44.79 OQT · 1:46.26 1:57.09 1:50.002:00.00 09.2303.2410.2404.25
200 m backstroke 25 m pool
8 swims · best time 2:08.32 · 9.85 faster than the first swim
National record (Denmark) · 1:52.33 2:08.32 1:50.002:00.002:10.002:20.00 05.2301.2409.2406.25
200 m butterfly 25 m pool
8 swims · best time 2:07.12 · 18.05 faster than the first swim
National record (Denmark) · 1:51.62 2:07.12 2:00.002:20.00 05.2304.2403.2501.26
400 m medley 25 m pool
8 swims · best time 4:32.39 · 30.49 faster than the first swim
National record (Denmark) · 4:05.98 4:32.39 4:00.004:20.004:40.005:00.00 05.2302.2411.2408.25

Road to the Olympics & national records

Season-best results from 2025/26 against Paris 2024 bronze, the qualifying standard (OQT) and the swimmer's national record.

Record sources: Denmark: Dansk Svømmeunion - Svømmetider / Danske rekorder (updated 12 Jul 2026)

EventPoolTimeTargetWOZMissing
800 freestyle 50 m pool 8:24.07 National record (Denmark) 7:48.74
record: Anton Ørskov Ipsen		 93.0% +35.33
800 freestyle 25 m pool 8:08.77 National record (Denmark) 7:32.77
record: Alexander Aslak Nørgaard		 92.6% +36.00
1500 freestyle 25 m pool 15:37.26 National record (Denmark) 14:26.74
record: Mads Glæsner		 92.5% +1:10.52
1500 freestyle 50 m pool 16:01.74 National record (Denmark) 14:47.75
record: Alexander Aslak Nørgaard		 92.3% +1:13.99
1500 freestyle 50 m pool 16:01.74 Olympic bronze 14:39.63
record: Daniel Wiffen		 91.5% +1:22.11
400 freestyle 50 m pool 4:05.55 National record (Denmark) 3:44.40
record: Mads Glæsner		 91.4% +21.15
400 freestyle 25 m pool 3:57.57 National record (Denmark) 3:36.82
record: Mads Glæsner		 91.3% +20.75
400 medley 50 m pool 4:40.96 National record (Denmark) 4:16.34
record: Anton Ørskov Ipsen		 91.2% +24.62
800 freestyle 50 m pool 8:24.07 Olympic bronze 7:39.38
record: Gregorio Paltrinieri		 91.1% +44.69
400 freestyle 50 m pool 4:05.55 Olympic bronze 3:42.50
record: Kim Woo-min		 90.6% +23.05
400 medley 25 m pool 4:32.39 National record (Denmark) 4:05.98
record: Chris Christensen		 90.3% +26.41
200 freestyle 25 m pool 1:53.51 National record (Denmark) 1:42.34
record: Oliver Søgaard-Andersen		 90.2% +11.17

Season-best results

EventPoolTimeFINA ptsWhere
50 m backstroke 25 m pool 28.28 477 5 Jun 2026 · Vallensbæk Open 2026
100 m backstroke 25 m pool 58.97 550 17 Jan 2026 · Brøndby Swim Cup 2026
200 m backstroke 25 m pool 2:08.67 553 6 Sep 2025 · Hvidovre Challenge 2025
100 m breaststroke 25 m pool 1:12.92 435 6 Sep 2025 · Hvidovre Challenge 2025
200 m breaststroke 25 m pool 2:29.90 515 5 Jun 2026 · Vallensbæk Open 2026
50 m butterfly 25 m pool 27.38 501 16 May 2026 · HVSK klubmesterskab 2026
100 m butterfly 25 m pool 58.24 552 17 Jan 2026 · Brøndby Swim Cup 2026
200 m butterfly 25 m pool 2:07.12 593 16 May 2026 · HVSK klubmesterskab 2026
100 m freestyle 25 m pool 53.40 592 5 Jun 2026 · Vallensbæk Open 2026
200 m freestyle 25 m pool 1:53.51 670 14 Nov 2025 · DM for Hold - 2. Division
400 m freestyle 50 m pool 4:05.55 719 16 Apr 2026 · Danish Open 2026
400 m freestyle 25 m pool 3:57.57 713 30 Oct 2025 · DM Junior Kortbane 2025
800 m freestyle 50 m pool 8:24.07 721 16 Apr 2026 · Danish Open 2026
800 m freestyle 25 m pool 8:08.77 731 11 Dec 2025 · DM Kortbane Åben klasse 2025
1500 m freestyle 50 m pool 16:01.74 741 16 Apr 2026 · Danish Open 2026
1500 m freestyle 25 m pool 15:37.26 737 11 Dec 2025 · DM Kortbane Åben klasse 2025
100 m medley 25 m pool 1:00.06 552 16 May 2026 · HVSK klubmesterskab 2026
200 m medley 25 m pool 2:09.86 601 3 Jan 2026 · Vintercup Haslev 2026
400 m medley 50 m pool 4:40.96 642 20 Mar 2026 · Øst Junior/senior Langbane 2026
400 m medley 25 m pool 4:32.39 640 14 Nov 2025 · DM for Hold - 2. Division
25 m UNKNOWN 25 m pool 39.87 16 May 2026 · HVSK klubmesterskab 2026

Recent swims

DateMeetEventTimePts
9 Jul 2026 DM langbane inklusiv DM Junior Langbane 2026 800 freestyle 8:28.68 702
9 Jul 2026 DM langbane inklusiv DM Junior Langbane 2026 200 freestyle WDR
5 Jun 2026 Vallensbæk Open 2026 200 freestyle 1:53.84 665
5 Jun 2026 Vallensbæk Open 2026 50 backstroke 28.28 477
5 Jun 2026 Vallensbæk Open 2026 200 breaststroke 2:29.90 515
5 Jun 2026 Vallensbæk Open 2026 100 freestyle 53.40 592
5 Jun 2026 Vallensbæk Open 2026 50 backstroke 29.13 437
5 Jun 2026 Vallensbæk Open 2026 50 backstroke 28.67 458
16 May 2026 HVSK klubmesterskab 2026 200 butterfly 2:07.12 593
16 May 2026 HVSK klubmesterskab 2026 50 butterfly 27.38 501
16 May 2026 HVSK klubmesterskab 2026 200 freestyle 1:55.84 631
16 May 2026 HVSK klubmesterskab 2026 100 freestyle 53.97 573
16 May 2026 HVSK klubmesterskab 2026 100 medley 1:00.06 552
16 May 2026 HVSK klubmesterskab 2026 25 unknown 39.87
8 May 2026 Taastrup open 2026 200 backstroke WDR
8 May 2026 Taastrup open 2026 200 medley WDR
8 May 2026 Taastrup open 2026 50 breaststroke WDR
8 May 2026 Taastrup open 2026 100 butterfly WDR
16 Apr 2026 Danish Open 2026 800 freestyle 8:24.07 721
16 Apr 2026 Danish Open 2026 1500 freestyle 16:01.74 741
Swimmer comparison Compare → clear