Mathias Samuelsen Rosseid

Men / born 2009

starts

56534

top FINA

personal best events

PP Over The Years

2020: 5578.7 / 2024: 129.8 / 2025: 283.4 / 2026: 19.1

50m Butterfly Progress

8 swims recordedAll disciplines

Date	Meet	Start	Result	FINA	PP	PB +/-
26 Jan 2024	Skagerrak Swim	28,71	29,01	396	9.35	1 Rankings
07 Jun 2024	Aquarama Open	28,40	29,05	395	5.15	2.3 Rankings
25 Oct 2024	The North Sea Swim Meet	28,40	28,43	421	15.52	0.1 Rankings
24 Jan 2025	Skagerrak Swim	28,23	28,31	9	0.01	0.3 Rankings
25 Apr 2025	SSK Grand Prix 2025	28,23	28,28	428	15.39	0.2 Rankings
17 Oct 2025	NM Ungdom	27,84	26,96	494	63.04	-3.2 Rankings
23 Jan 2026	Skagerrak Swim	26,96	28,15	434	2.27	4.4 Rankings
25 Apr 2026	Sandnessprinten	26,96	26,70	509	43.95	-1 Rankings

Best Improvements

50m Backstroke: -7.3% at Julesprinten

200m Butterfly: -6.5% at The North Sea Swim Meet

50m Breaststroke: -4.5% at Sandnes Open

50m Butterfly: -3.2% at NM Ungdom

200m Butterfly: -3.2% at Aquarama Open

PBs

100m Butterfly: 58,65

100m Freestyle: 56,84

100m Medley: 1.04,99

1500m Freestyle: 19.01,75

200m Backstroke: 1.34,68

200m Breaststroke: 2.40,65

200m Butterfly: 27,84

200m Freestyle: 2.00,23

200m Medley: 2.15,91

400m Freestyle: 4.16,88

50m Backstroke: 30,18

50m Breaststroke: 33,89

50m Butterfly: 26,70

50m Freestyle: 26,29

800m Freestyle: 9.01,60

Top 3 FINA

56534 / 200m Butterfly / 27,84

14330 / 200m Butterfly / 43,99

5873 / 200m Butterfly / 59,22

Races By Meet

Start time, result time, FINA and PP for every swim.Newest Oldest

Sandnessprinten25 Apr 2026 / Sandnes

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	58,65	59,60	512	11.94	1.6
200m Butterfly National rankings		59,22	5873	25	n/a
200m Medley National rankings	2.18,80	2.15,91	514	56.22	-2.1
50m Butterfly National rankings	26,96	26,70	509	43.95	-1

Skagerrak Swim23 Jan 2026 / Kristiansand

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	58,65	1.00,94	479	3.53	3.9
100m Freestyle National rankings	56,63	57,70	469	8.74	1.9
200m Freestyle National rankings	1.59,43	2.07,24	465	0.93	6.5
50m Butterfly National rankings	26,96	28,15	434	2.27	4.4

Sandnes Open12 Dec 2025 / Sandnes

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	58,65	1.00,77	483	4.15	3.6
100m Freestyle National rankings	56,63	DNS	0	0	n/a
200m Freestyle National rankings	1.59,43	2.01,89	529	10.13	2.1
400m Freestyle National rankings	4.12,43	4.19,73	545	7.39	2.9
50m Breaststroke National rankings	35,48	33,89	399	49.55	-4.5

Julesprinten30 Nov 2025 / Stavanger

Discipline	Start	Result	FINA	PP	PB +/-
100m Medley National rankings	1.06,37	1.04,99	435	40.26	-2.1
50m Backstroke National rankings	32,54	30,18	393	62.35	-7.3

NM Kortbane13 Nov 2025 / Holmen

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	58,65	1.00,07	501	7.9	2.4
200m Butterfly National rankings	2.08,79	2.16,28	481	1.4	5.8

NM Ungdom17 Oct 2025 / Bergen

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	59,63	58,65	538	55.78	-1.6
200m Butterfly National rankings	2.11,68	2.08,79	571	70.71	-2.2
200m Freestyle National rankings	1.59,43	2.00,23	551	20.63	0.7
50m Butterfly National rankings	27,84	26,96	494	63.04	-3.2

NM Langbane 202503 Jul 2025 / Rud

Discipline	Start	Result	FINA	PP	PB +/-
200m Butterfly National rankings	2.17,33 L	2.17,71	467	25	n/a

Zeekit Årsklassemesterskap07 Jun 2025 / Porsgrunn

Discipline	Start	Result	FINA	PP	PB +/-
200m Backstroke National rankings	2.18,36	2.21,61	415	5.68	2.3
200m Breaststroke National rankings	2.42,98	2.49,37	357	1.96	3.9
200m Butterfly National rankings	59,63	1.00,06	5630	2153.37	0.7
200m Medley National rankings	2.19,90	2.19,04	480	35.71	-0.6
400m Freestyle National rankings	4.16,88	4.22,04	531	10.69	2

SSK Grand Prix 202525 Apr 2025 / Stavanger

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	59,63	1.00,31	495	13.97	1.1
100m Freestyle National rankings	56,86	56,84	490	32.29	0
200m Butterfly National rankings		27,84	56534	25	n/a
200m Freestyle National rankings	2.00,92	2.01,29	537	23.23	0.3
50m Butterfly National rankings	28,23	28,28	428	15.39	0.2
50m Freestyle National rankings	26,20	26,29	433	15.1	0.3

Zeekit LÅMØ Vest14 Mar 2025 / Stavanger

Discipline	Start	Result	FINA	PP	PB +/-
200m Backstroke National rankings	2.22,48	2.18,36	444	48.46	-2.9
200m Breaststroke National rankings	2.40,65	2.42,98	400	7.63	1.5
200m Butterfly National rankings	1.00,93	59,63	5753	7042.34	-2.1
200m Medley National rankings	2.19,32	2.19,90	471	17.13	0.4
400m Freestyle National rankings	4.17,07	4.16,88	564	43.82	-0.1

Skagerrak Swim24 Jan 2025 / Kristiansand

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	1.01,03	1.02,36	447	6.91	2.2
100m Freestyle National rankings	58,08	1.00,76	401	1.76	4.6
200m Freestyle National rankings	2.00,92	2.15,10	388	0.05	11.7
400m Freestyle National rankings	4.17,07	4.44,00	417	0.1	10.5
50m Butterfly National rankings	28,23	28,31	9	0.01	0.3

The North Sea Swim Meet25 Oct 2024 / Stavanger

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	1.01,64	1.01,03	477	38.59	-1
100m Medley National rankings	1.05,86	1.07,97	381	3.13	3.2
200m Butterfly National rankings	2.26,04	2.16,56	479	87.48	-6.5
200m Freestyle National rankings	2.01,77	2.03,08	514	15.07	1.1
200m Medley National rankings	2.21,38	2.23,13	440	10.56	1.2
400m Freestyle National rankings	4.17,07	4.17,71	558	26.15	0.2
50m Butterfly National rankings	28,40	28,43	421	15.52	0.1

NM Ungdom18 Oct 2024 / Jessheim

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	1.01,64 K	1.01,43	468	25	n/a
1500m Freestyle National rankings	17.10,26 K	19.01,75	19	25	n/a
200m Freestyle National rankings	2.01,77 K	2.02,11	526	25	n/a
400m Freestyle National rankings	4.17,07 K	4.18,38	554	25	n/a
800m Freestyle National rankings	9.01,09 K	9.01,60	537	25	n/a

Aquarama Open07 Jun 2024 / Kristiansand

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	1.01,64	1.02,65	441	8.86	1.6
200m Butterfly National rankings	2.30,81	2.26,04	391	39.49	-3.2
200m Freestyle National rankings	2.01,77	2.06,79	470	3.08	4.1
400m Freestyle National rankings	4.18,86	4.29,84	486	3.14	4.2
50m Butterfly National rankings	28,40	29,05	395	5.15	2.3
50m Freestyle National rankings	27,36	27,48	379	11.09	0.4

Zeekit Årsklassemesterskap24 May 2024 / Kristiansund

Discipline	Start	Result	FINA	PP	PB +/-
200m Backstroke National rankings	2.23,74	2.29,62	351	1.72	4.1
200m Breaststroke National rankings	2.40,65	DNF	0	0	n/a
400m Freestyle National rankings	4.18,86	4.17,07	562	50.09	-0.7

Zeekit LÅMØ Vest15 Mar 2024 / Førde

Discipline	Start	Result	FINA	PP	PB +/-
200m Backstroke National rankings	2.26,56	2.23,74	396	32.1	-1.9
200m Breaststroke National rankings	2.43,44	2.40,65	418	34.36	-1.7
200m Butterfly National rankings	1.02,89	1.02,65	4960	3640.4	-0.4
200m Medley National rankings	2.21,38	2.22,01	450	15.64	0.4
400m Freestyle National rankings	4.24,62	4.18,86	551	65.84	-2.2

Skagerrak Swim26 Jan 2024 / Kristiansand

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	1.04,49	1.05,13	393	9.21	1
100m Freestyle National rankings	59,11	1.00,43	408	5.75	2.2
200m Freestyle National rankings	2.05,12	2.07,70	460	7.66	2.1
400m Freestyle National rankings	4.24,62	4.29,39	489	9.94	1.8
50m Butterfly National rankings	28,71	29,01	396	9.35	1
50m Freestyle National rankings	27,36	28,07	356	3.63	2.6
800m Freestyle National rankings	9.09,38	9.22,98	478	6.86	2.5

LÅMØ Vest 202013 Mar 2020 / Førde

Discipline	Start	Result	FINA	PP
200m Backstroke National rankings	1.34,68	1.34,68	1388	259.06
200m Breaststroke National rankings	2.52,35	2.52,35	338	15.36
200m Butterfly National rankings	43,99	43,99	14330	27613.41
200m Medley National rankings	3.37,45	3.37,45	125	2.1
400m Freestyle National rankings	6.28,49	6.28,49	163	3.57