Marielena Sophie Petersdorf

born 2007 · female · 🇨🇭 Switzerland (conflicting or invalid nationality data — national record hidden) · Schwimmverein St. Gallen - Wittenbach

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Results period: 2025/26 (current)2024/25 2023/24 2022/23 All-time

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

Meets

Swims

Best FINA points

562

Progression — all-time

200 m breaststroke 50 m pool

2 swims · best time 3:04.89

200 m medley 50 m pool

2 swims · best time 2:39.37 · 2.08 faster than the first swim

400 m freestyle 50 m pool

2 swims · best time 4:39.20

400 m medley 50 m pool

2 swims · best time 5:17.66

800 m freestyle 50 m pool

2 swims · best time 9:33.73

1500 m freestyle 50 m pool

2 swims · best time 17:51.70

Season-best results from 2025/26 against Paris 2024 bronze and the qualifying standard (OQT).

Event	Pool	Time	Target	WOZ	Missing
1500 freestyle	50 m pool	18:35.10	Olympic bronze 15:41.16 record: Isabel Gose	84.4%	+2:53.94
800 freestyle	50 m pool	9:49.01	Olympic bronze 8:13.00 record: Paige Madden	83.7%	+1:36.01
200 medley	50 m pool	2:39.37	Olympic bronze 2:08.08 record: Kaylee McKeown	80.4%	+31.29
200 freestyle	50 m pool	2:22.98	Olympic bronze 1:54.55 record: Siobhan Haughey	80.1%	+28.43
200 breaststroke	50 m pool	3:04.89	Olympic bronze 2:21.05 record: Tes Schouten	76.3%	+43.84

Event	Pool	Time	FINA pts	Where
200 m breaststroke	50 m pool	3:04.89	411	19 Dec 2025 · Swiss Open 2025
200 m freestyle	50 m pool	2:22.98	483	23 May 2026 · 54. Internationales Decathlon Eulach-Meeting 2026
800 m freestyle	50 m pool	9:49.01	557	19 Dec 2025 · Swiss Open 2025
1500 m freestyle	50 m pool	18:35.10	562	19 Dec 2025 · Swiss Open 2025
200 m medley	50 m pool	2:39.37	495	23 May 2026 · 54. Internationales Decathlon Eulach-Meeting 2026

Date	Meet	Event	Time	Pts
23 May 2026	54. Internationales Decathlon Eulach-Meeting 2026	200 freestyle	2:22.98	483
23 May 2026	54. Internationales Decathlon Eulach-Meeting 2026	200 medley	2:39.37	495
19 Dec 2025	Swiss Open 2025	800 freestyle	9:49.01	557
19 Dec 2025	Swiss Open 2025	200 breaststroke	3:08.16	390
19 Dec 2025	Swiss Open 2025	200 breaststroke	3:04.89	411
19 Dec 2025	Swiss Open 2025	200 medley	2:41.45	476
19 Dec 2025	Swiss Open 2025	1500 freestyle	18:35.10	562