IISA Member Bio

IISA Member Bio

IISA ID:  4984
Membership Level Icon
Jonas Coene
Chairman Icon
Belgium
Gistel
Belgium
Belgium
Country Association
Belgium
Gender: Male
Age: 34
Ice Miles: 0
Membership:
Global  (until 21/09/2026)
L1 Ice Mile Observer  (until 23/12/2027)

IISA 1km Swims

Only IISA Swims <= 5.0°C
  Swim
Date		 Event Name (Website) Country
Association		 Event Venue Swim
Time		 Water
Temp		 Wind
Chill		 Altitude (m)
GPS Latitude		 AR ER WR WC   IISA
Event
1 14 Dec 2024 Amsterdam Ice Swim Netherlands Jeugdland Amsterdam 18:31.36 4.70°C 3.30°C 0m  52.36°N Non-Certified Pool PDF Icon view
AR = Age-Group Record
ER = Swim Event Record
WR = World Record
WC = World Championship Record

Short and Other IISA distances

Only IISA Swims <= 5.0°C
Event Distance Swim Date Event Name Event Venue Country
Association		 Swim Time
(mm:ss:cc)		 Water
Temp		 Wind
Chill		 Altitude (m)
GPS Latitude		    
100m Freestyle 15 Dec 2024 Amsterdam Ice Swim Jeugdland Amsterdam Netherlands 01:12.84 4.70°C 3.3°C 0m  52.36°N PDF Icon view
100m Breaststroke 4 Feb 2024 IISA 1st European Cham... Oradea, Romania Romania 01:24.61 4.07°C 0.6°C 0m  47.40°N PDF Icon view
100m Breaststroke 15 Dec 2024 Amsterdam Ice Swim Jeugdland Amsterdam Netherlands 01:22.97 4.70°C 3.3°C 0m  52.36°N PDF Icon view
100m Breaststroke 18 Jan 2025 IISA 6th WC - Molveno ... Molveno, Italy Italy 01:22.28 1.94°C 1.0°C 864m  49.90°N PDF Icon view
100m Breaststroke 18 Jan 2025 [FINALS] IISA 6th WC -... Molveno, Italy Italy 01:23.25 1.94°C 1.0°C 864m  49.90°N PDF Icon view
50m Freestyle 15 Dec 2024 Amsterdam Ice Swim Jeugdland Amsterdam Netherlands 00:31.92 4.70°C 3.3°C 0m  52.36°N PDF Icon view
50m Breaststroke 4 Feb 2024 IISA 1st European Cham... Oradea, Romania Romania 00:38.83 4.07°C 0.6°C 0m  47.40°N PDF Icon view
50m Breaststroke 18 Jan 2025 IISA 6th WC - Molveno ... Molveno, Italy Italy 00:37.08 1.94°C 1.0°C 864m  49.90°N PDF Icon view

Qualifying Swims

IISA Qualifying Swims & IISA Event Swims > 5.0°C
  Swim
Date		 Swim
Location		 Event Name Swim
Distance		 Stroke Status Water
Temp		 Wind
Chill		 Swim
Time		 Altitude
(m)		 Observer    
1 07 Dec 2025 Stonehaven Lido IISA GB Championships... 1000m Freestyle Accepted 6.60°C 5.00°C 15:58.88 0m Leon Fryer PDF Icon view     
2 14 Dec 2025 Jeugdland Amsterdam Amsterdam Ice Swim 1000m Freestyle Accepted 8.60°C 2.70°C 16:30.40 0m Christa Hesterman PDF Icon view     
3 01 Dec 2024 Silbersee Langenhagen Silbersee-Ice-Cup 2024 500m Freestyle Accepted 6.10°C 0.00°C 09:23.47 51m Florian Battermann PDF Icon view     
4 14 Dec 2025 Jeugdland Amsterdam Amsterdam Ice Swim 500m Freestyle Accepted 8.60°C 2.70°C 07:50.13 0m Christa Hesterman PDF Icon view     
5 14 Dec 2025 Jeugdland Amsterdam Amsterdam Ice Swim 250m Freestyle Accepted 8.60°C 2.70°C 03:43.31 0m Christa Hesterman PDF Icon view     
6 07 Dec 2025 Stonehaven Lido IISA GB Championships... 200m - Accepted 6.60°C 5.00°C 02:59.53 0m Leon Fryer PDF Icon view     
7 14 Dec 2025 Jeugdland Amsterdam Amsterdam Ice Swim 100m Freestyle Accepted 8.60°C 2.70°C 01:13.71 0m Christa Hesterman PDF Icon view     
8 17 Dec 2023 Jeugdland Amsterdam Amsterdam Ice Swim 100m Breast Accepted 6.40°C 9.00°C 01:24.88 0m Fergil Hesterman PDF Icon view     
9 01 Dec 2024 Silbersee Langenhagen Silbersee-Ice-Cup 2024 100m Breast Accepted 6.10°C 0.00°C 01:34.22 51m Florian Battermann PDF Icon view     
10 07 Dec 2025 Stonehaven Lido IISA GB Championships... 100m Breast Accepted 6.60°C 5.00°C 01:24.56 0m Leon Fryer PDF Icon view     
11 14 Dec 2025 Jeugdland Amsterdam Amsterdam Ice Swim 100m Breast Accepted 8.60°C 2.70°C 01:24.14 0m Christa Hesterman PDF Icon view     
12 14 Dec 2025 Jeugdland Amsterdam Amsterdam Ice Swim 50m Freestyle Accepted 8.60°C 2.70°C 00:31.94 0m Christa Hesterman PDF Icon view     
13 01 Dec 2024 Silbersee Langenhagen Silbersee-Ice-Cup 2024 50m Breast Accepted 6.10°C 0.00°C 00:43.53 51m Florian Battermann PDF Icon view     
14 01 Dec 2024 Silbersee Langenhagen Silbersee-Ice-Cup 2024 50m Butterfly Accepted 6.10°C 0.00°C 00:39.84 51m Florian Battermann PDF Icon view     
15 07 Dec 2025 Stonehaven Lido IISA GB Championships... 50m Butterfly Accepted 6.60°C 5.00°C 00:33.35 0m Leon Fryer PDF Icon view     
16 01 Dec 2024 Silbersee Langenhagen Silbersee-Ice-Cup 2024 200m Breast Accepted 6.10°C 0.00°C 03:38.94 51m Florian Battermann PDF Icon view     

IISA Relay Swims

4-person relay events
Relay Distance Swim Date Event Name Event Venue Country
Association		 Swim Time
(mm:ss:cc)		 Water
Temp		 Wind
Chill		 Altitude (m)
GPS Latitude		    
4 x 50m Mixed Freestyle Relay 18 Jan 2025 IISA 6th WC - Molveno ... Molveno, Italy Italy 02:33.87 1.94°C 1.0°C 864m  49.90°N   view
4 x 50m Mixed Freestyle Relay 4 Feb 2024 IISA 1st European Cham... Oradea, Romania Romania 02:28.34 4.07°C 0.6°C 0m  47.40°N   view

Other Swims

Solo
  Swim
Date		 Location
(Description)		 Time
Taken		 Swim
Distance		 Avg Dist.
Per Day		 Water
Temp		 Wind
Chill		 Observer /
Witness		 Awards  
1 21 Dec 2024 Koude Keuken, Brugge
(50m Breaststroke -...)		 00:38 50 m - 7.9°C [hi]
7.8°C [lo]		 11°C - view
2 21 Dec 2024 Koude Keuken, Brugge
(50m Freestyle - Nationaal...)		 00:34 50 m - 7.9°C [hi]
7.8°C [lo]		 11°C - view
3 21 Dec 2024 Koude Keuken, Brugge
(120m Breaststroke -...)		 01:40 120 m - 7.9°C [hi]
7.8°C [lo]		 11°C - view
4 21 Dec 2024 Koude Keuken, Brugge
(120m Freestyle - Nationaal...)		 01:32 120 m - 7.9°C [hi]
7.8°C [lo]		 11°C - view

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