Aron Østmark-Ellefsen

Men / born 2011

starts

396

top FINA

personal best events

PP Over The Years

2024: 5.4 / 2025: 16.8 / 2026: 20.6

100m Backstroke Progress

2 swims recordedAll disciplines

Date	Meet	Start	Result	FINA	PP	PB +/-
26 Apr 2024	Marienlyst open	1.28,08	1.29,85	155	0.91	2 Rankings
25 Oct 2025	Roald Amundsen CUP	1.18,59	1.18,75	231	4.48	0.2 Rankings

Best Improvements

50m Backstroke: -14.3% at Roald Amundsen CUP

100m Butterfly: -8.3% at LÅMØ Kvaliken

200m Freestyle: -7.7% at Roald Amundsen CUP

100m Freestyle: -7.6% at Marienlyst open

100m Butterfly: -6.6% at LÅMØ Kvaliken

PBs

100m Backstroke: 1.18,75

100m Breaststroke: 1.23,51

100m Butterfly: 1.07,25

100m Freestyle: 1.03,17

100m Medley: 1.12,87

200m Backstroke: 2.51,06

200m Breaststroke: 3.02,63

200m Freestyle: 2.17,57

200m Medley: 2.31,81

400m Freestyle: 4.49,71

50m Backstroke: 34,09

50m Breaststroke: 35,92

50m Butterfly: 29,55

50m Freestyle: 27,08

Top 3 FINA

396 / 50m Freestyle / 27,08

393 / 400m Freestyle / 4.49,71

375 / 50m Butterfly / 29,55

Races By Meet

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

Zeekit LÅMØ Øst 2 - HED/OPP/ØST/AKE (minus Asker og Bærum) 202610 Apr 2026 / Sarpsborg

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	1.10,37	1.07,25	357	39.16	-4.4
200m Backstroke National rankings	2.48,73	2.51,06	235	2.75	1.4
200m Breaststroke National rankings	3.02,63	3.07,68	262	1.79	2.8
200m Medley National rankings	2.35,76	2.31,81	368	31.04	-2.5
400m Freestyle National rankings	4.56,11	4.49,71	393	33.49	-2.2

RA CUP28 Feb 2026 / Sofiemyr

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	1.10,79	1.10,37	311	14.99	-0.6
200m Breaststroke National rankings	3.14,83	3.02,63	284	30.26	-6.3
200m Medley National rankings	2.38,82	2.35,76	341	23.8	-1.9
50m Butterfly National rankings	29,59	29,55	375	19.37	-0.1
50m Freestyle National rankings	27,08	27,76	368	4.07	2.5

Asker Open06 Feb 2026 / Holmen

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	1.10,79	1.12,92	280	1.86	3
200m Breaststroke National rankings	3.14,83	DISK	0	0	n/a
200m Freestyle National rankings	2.23,02	2.17,57	368	38.34	-3.8
50m Breaststroke National rankings	38,12	35,92	335	40.27	-5.8
50m Freestyle National rankings	27,45	27,08	396	28.38	-1.3

Bærum Open05 Dec 2025 / Nadderud

Discipline	Start	Result	FINA	PP	PB +/-
100m Breaststroke National rankings	1.28,76	1.23,51	290	30.46	-5.9
100m Medley National rankings	1.14,26	1.12,87	309	19.54	-1.9
200m Breaststroke National rankings	3.15,12	3.14,83	234	7.54	-0.1
200m Medley National rankings	2.46,50	2.38,82	322	32.67	-4.6
50m Breaststroke National rankings	38,12	38,89	264	2.64	2
50m Butterfly National rankings	30,74	29,59	374	39.03	-3.7

Roald Amundsen CUP25 Oct 2025 / Langhus

Discipline	Start	Result	FINA	PP	PB +/-
100m Backstroke National rankings	1.18,59	1.18,75	231	4.48	0.2
200m Backstroke National rankings	2.48,73	2.54,42	222	0.97	3.4
400m Freestyle National rankings	5.06,49	4.56,11	368	36.11	-3.4
50m Freestyle National rankings	28,44	27,64	373	33.62	-2.8

Lambertseter Open19 Sept 2025 / Lambertseter

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	1.12,48	1.10,94	304	19.66	-2.1
100m Freestyle National rankings	1.04,20	1.03,17	357	24.56	-1.6
50m Backstroke National rankings	33,60	34,09	272	3.53	1.5
50m Breaststroke National rankings	38,12	39,44	253	1.19	3.5
50m Butterfly National rankings	31,86	30,90	328	26.9	-3

Mjøssvøm13 Jun 2025 / Hamar

Discipline	Start	Result	FINA	PP	PB +/-
100m Breaststroke National rankings	1.31,90	1.29,19	238	13.92	-2.9
100m Butterfly National rankings	1.17,43	1.14,21	265	21.02	-4.2
100m Freestyle National rankings	1.04,20	1.04,54	335	8.31	0.5
200m Breaststroke National rankings	3.16,59	3.15,12	233	8.61	-0.7
200m Freestyle National rankings	2.23,02	2.23,89	321	7.31	0.6
200m Medley National rankings	2.47,76	2.46,50	279	12.63	-0.8

Roald Amundsen CUP01 Mar 2025 / Sofiemyr

Discipline	Start	Result	FINA	PP	PB +/-
100m Freestyle National rankings	1.07,70	1.06,65	304	17.81	-1.6
200m Freestyle National rankings	2.34,93	2.23,02	327	44.23	-7.7
50m Backstroke National rankings	41,10	35,24	246	29.57	-14.3
50m Breaststroke National rankings	41,79	41,91	210	3.55	0.3
50m Butterfly National rankings	34,52	33,76	251	13.66	-2.2
50m Freestyle National rankings	29,58	29,85	296	5.46	0.9

LÅMØ Kvaliken25 Jan 2025 / Lørenskog

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	1.24,43	1.17,43	233	23.18	-8.3
200m Backstroke National rankings	2.53,09	2.55,47	218	2.37	1.4
200m Breaststroke National rankings	3.16,59	3.20,58	214	1.74	2
200m Medley National rankings	2.57,94	2.47,76	273	26.49	-5.7
400m Freestyle National rankings	5.21,70	5.18,11	297	15.29	-1.1

Marienlyst open26 Apr 2024 / Drammen

Discipline	Start	Result	FINA	PP	PB +/-
100m Backstroke National rankings	1.28,08	1.29,85	155	0.91	2
100m Freestyle National rankings	1.21,85	1.15,65	208	17.79	-7.6
200m Breaststroke National rankings	3.54,09	3.55,72	132	1.18	0.7
50m Breaststroke National rankings	49,94	46,90	150	8.3	-6.1
50m Butterfly National rankings	41,65	42,19	129	0.87	1.3
50m Freestyle National rankings	34,04	33,03	218	11.88	-3

LÅMØ Kvaliken27 Jan 2024 / Lørenskog

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	1.50,44	1.43,19	98	3.69	-6.6
200m Backstroke National rankings	3.19,54	DISK	0	0	n/a
200m Breaststroke National rankings	4.00,40	3.54,09	135	4.25	-2.6
200m Medley National rankings	3.31,59	3.28,30	142	3.89	-1.6
400m Freestyle National rankings	6.01,12	5.59,73	205	6.22	-0.4