IISA Member Bio

IISA ID:  7292
Membership Level Icon
Sean Montem
Sweden
Vilshult
Sweden
Denmark
Country Association
Denmark
Ice Miles: 0
About Sean Montem
Swim experience
I completed the Vidösternsimmet +42 in august 2025 and +21k in 2024. Of other swimming event; 20k in the French Alps, 17k across the Øresund from Copenhagen to Limhamn, 21k across Storebælt and have been swimming at competition level most of my life.

Personal bio
Born in Denmark and lives in the Swedish wilderness together with my wife - Helle Montem. I am an ultra athlete in ultra triathlon, ultra running, ultra swimrun and open water as well as extreme sports. In 2021 - 2023 I underwent one of the largest cancer operation in Sweden, with a partially new titanium skeleton and had many muscles and organs removed. Now my only ultra sport is open water swimming

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 25 Jan 2026 Danish National Champi... Faaborg Denmark 01:36.85 0.63°C -4.3°C 0m  55.10°N PDF Icon view

Other Swims

Solo
  Swim
Date
Location
(Description)
Time
Taken
Swim
Distance
Avg Dist.
Per Day
Water
Temp
Wind
Chill
Observer /
Witness
Awards  
1 15 Jan 2026 Åhusbryggans badplats,...
(Qualification distance)
01:41 100 m - 0.1°C 1°C Helle Montem   view

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