Danube River - Longest Non-stop River Swim
From Openwaterpedia
Distance: 504.5 km
Location: Danube River
Country: Europe
Current Record Holder
Country: Slovenia
Year: 2001
Time: 84 hours 10 minutes
Distance: 504.5 km
Location: Danube River
Country: Europe
Country: Slovenia
Year: 2001
Time: 84 hours 10 minutes