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William Sirainen

born 2010 · male · 🇫🇮 Finland · Joensuun Uimaseura ry

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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
10
Swims
49
Best FINA points
569

Progression — all-time

200 m backstroke 25 m pool
11 swims · best time 2:19.29 · 35.42 faster than the first swim
National record (Finland) · 1:53.34 2:19.29 2:00.002:20.002:40.003:00.00 12.2308.2405.2501.26
100 m backstroke 25 m pool
10 swims · best time 1:04.54 · 14.20 faster than the first swim
National record (Finland) · 51.64 1:04.54 50.001:00.001:10.001:20.00 02.2409.2405.2501.26
50 m backstroke 25 m pool
8 swims · best time 30.64 · 6.12 faster than the first swim
National record (Finland) · 23.76 30.64 25.0030.0035.00 04.2411.2406.2501.26
200 m freestyle 25 m pool
8 swims · best time 2:02.48 · 29.87 faster than the first swim
National record (Finland) · 1:41.91 2:02.48 1:40.002:00.002:20.00 01.2408.2403.2510.25
100 m backstroke 50 m pool
7 swims · best time 1:12.24 · 18.41 faster than the first swim
National record (Finland) · 55.48 Olympic bronze · 52.39 OQT · 53.74 1:12.24 1:00.001:20.00 05.2312.2307.2402.25
100 m freestyle 25 m pool
7 swims · best time 57.49 · 14.95 faster than the first swim
National record (Finland) · 47.13 57.49 50.001:00.001:10.00 12.2308.2403.2511.25
400 m freestyle 25 m pool
7 swims · best time 4:19.99 · 1:06.34 faster than the first swim
National record (Finland) · 3:40.15 4:19.99 4:00.005:00.00 12.2307.2402.2508.25
100 m breaststroke 25 m pool
6 swims · best time 1:13.06 · 21.80 faster than the first swim
National record (Finland) · 58.04 1:13.06 1:00.001:20.00 01.2407.2402.2509.25

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: Finland: Suomen Uimaliitto - Suomen ennätykset (updated 28 Jun 2026)

EventPoolTimeTargetWOZMissing
400 freestyle 50 m pool 4:25.54 National record (Finland) 3:47.45
record: Tomas Koski		 85.7% +38.09
400 freestyle 25 m pool 4:19.99 National record (Finland) 3:40.15
record: Tomas Koski		 84.7% +39.84
800 freestyle 50 m pool 9:22.76 National record (Finland) 7:54.70
record: Matias Koski		 84.4% +1:28.06
200 freestyle 50 m pool 2:06.36 National record (Finland) 1:46.36
record: Tomas Koski		 84.2% +20.00
100 freestyle 50 m pool 58.55 National record (Finland) 49.25
record: Tomas Koski		 84.1% +9.30
400 freestyle 50 m pool 4:25.54 Olympic bronze 3:42.50
record: Kim Woo-min		 83.8% +43.04
800 freestyle 25 m pool 9:11.14 National record (Finland) 7:41.65
record: Antti Kasvio		 83.8% +1:29.49
200 freestyle 25 m pool 2:02.48 National record (Finland) 1:41.91
record: Tomas Koski		 83.2% +20.57
200 freestyle 50 m pool 2:06.36 Olympic bronze 1:44.79
record: Luke Hobson		 82.9% +21.57
200 medley 50 m pool 2:22.61 National record (Finland) 1:58.16
record: Jani Sievinen		 82.9% +24.45
1500 freestyle 50 m pool 18:19.75 National record (Finland) 15:09.17
record: Matias Koski		 82.7% +3:10.58
400 medley 50 m pool 5:06.53 National record (Finland) 4:13.29
record: Jani Sievinen		 82.6% +53.24

Season-best results

EventPoolTimeFINA ptsWhere
50 m backstroke 25 m pool 30.64 375 11 Apr 2026 · TEMPUR-uinnit 2026
100 m backstroke 25 m pool 1:04.54 419 11 Apr 2026 · TEMPUR-uinnit 2026
200 m backstroke 50 m pool 2:26.24 448 12 Jun 2026 · Ikäkausimestaruusuinnit 2026
200 m backstroke 25 m pool 2:19.29 436 14 Nov 2025 · IKM 2025 Keski-/Itä-Suomi
50 m breaststroke 25 m pool 34.31 384 31 Jan 2026 · Intersport -uinnit 2026
100 m breaststroke 50 m pool 1:16.36 413 14 Mar 2026 · Cetus Games 2026
100 m breaststroke 25 m pool 1:13.06 433 14 Nov 2025 · IKM 2025 Keski-/Itä-Suomi
200 m breaststroke 50 m pool 2:43.57 451 14 Feb 2026 · Oskarin Uinnit 2026
200 m breaststroke 25 m pool 2:40.53 419 14 Nov 2025 · IKM 2025 Keski-/Itä-Suomi
50 m butterfly 25 m pool 31.91 316 20 Sep 2025 · Prisma uinnit 2025
100 m butterfly 50 m pool 1:08.95 368 14 Feb 2026 · Oskarin Uinnit 2026
100 m butterfly 25 m pool 1:09.09 330 20 Sep 2025 · Prisma uinnit 2025
200 m butterfly 25 m pool 2:33.45 337 14 Nov 2025 · IKM 2025 Keski-/Itä-Suomi
50 m freestyle 25 m pool 27.92 376 20 Sep 2025 · Prisma uinnit 2025
100 m freestyle 50 m pool 58.55 497 14 Mar 2026 · Cetus Games 2026
100 m freestyle 25 m pool 57.49 474 31 Jan 2026 · Intersport -uinnit 2026
200 m freestyle 50 m pool 2:06.36 525 23 May 2026 · KEVÄTUINNIT 2026 designed Mammuttihirsi
200 m freestyle 25 m pool 2:02.48 534 14 Nov 2025 · IKM 2025 Keski-/Itä-Suomi
400 m freestyle 50 m pool 4:25.54 569 14 Mar 2026 · Cetus Games 2026
400 m freestyle 25 m pool 4:19.99 544 14 Nov 2025 · IKM 2025 Keski-/Itä-Suomi
800 m freestyle 50 m pool 9:22.76 518 12 Jun 2026 · Ikäkausimestaruusuinnit 2026
800 m freestyle 25 m pool 9:11.14 510 14 Nov 2025 · IKM 2025 Keski-/Itä-Suomi
1500 m freestyle 50 m pool 18:19.75 496 14 Mar 2026 · Cetus Games 2026
100 m medley 25 m pool 1:06.87 400 25 Oct 2025 · VarU 90v. -juhlauinnit
200 m medley 50 m pool 2:22.61 510 23 May 2026 · KEVÄTUINNIT 2026 designed Mammuttihirsi
200 m medley 25 m pool 2:18.28 498 11 Apr 2026 · TEMPUR-uinnit 2026
400 m medley 50 m pool 5:06.53 495 12 Jun 2026 · Ikäkausimestaruusuinnit 2026
400 m medley 25 m pool 4:59.10 483 14 Nov 2025 · IKM 2025 Keski-/Itä-Suomi

Recent swims

DateMeetEventTimePts
12 Jun 2026 Ikäkausimestaruusuinnit 2026 200 medley 2:23.27 503
12 Jun 2026 Ikäkausimestaruusuinnit 2026 800 freestyle 9:22.76 518
12 Jun 2026 Ikäkausimestaruusuinnit 2026 200 backstroke 2:26.24 448
12 Jun 2026 Ikäkausimestaruusuinnit 2026 400 freestyle 4:31.36 533
12 Jun 2026 Ikäkausimestaruusuinnit 2026 200 breaststroke 2:46.50 428
12 Jun 2026 Ikäkausimestaruusuinnit 2026 400 medley 5:06.53 495
23 May 2026 KEVÄTUINNIT 2026 designed Mammuttihirsi 200 medley 2:22.61 510
23 May 2026 KEVÄTUINNIT 2026 designed Mammuttihirsi 200 freestyle 2:06.36 525
11 Apr 2026 TEMPUR-uinnit 2026 100 backstroke 1:04.54 419
11 Apr 2026 TEMPUR-uinnit 2026 50 backstroke 30.64 375
11 Apr 2026 TEMPUR-uinnit 2026 200 medley 2:18.28 498
11 Apr 2026 TEMPUR-uinnit 2026 200 backstroke 2:21.69 414
14 Mar 2026 Cetus Games 2026 100 breaststroke 1:16.36 413
14 Mar 2026 Cetus Games 2026 400 freestyle 4:25.54 569
14 Mar 2026 Cetus Games 2026 100 freestyle 58.55 497
14 Mar 2026 Cetus Games 2026 1500 freestyle 18:19.75 496
14 Feb 2026 Oskarin Uinnit 2026 400 medley 5:07.12 492
14 Feb 2026 Oskarin Uinnit 2026 200 breaststroke 2:43.57 451
14 Feb 2026 Oskarin Uinnit 2026 100 butterfly 1:08.95 368
31 Jan 2026 Intersport -uinnit 2026 50 breaststroke 34.31 384
Swimmer comparison Compare → clear