MSF Documented Swim

Craig Lenning
Flathead Lake
27.6 miles
15 hours, 50 minutes
July 3, 2015
Documenter: May Spengler

Swimmer

Swim Route

Lengthwise crossing of Flathead Lake (Montana, USA) -- Somers to Polson.

Route Definition

Total Route Distance: 44.5 km (27.65 miles)

Location Latitude Longitude
Somers 48.077061 -114.23599
Angel Point 47.985125 -114.166832
Black Point 47.784788 -114.125805
The Narrows 47.769849 -114.128809
The Narrows 47.767022 -114.130354
Polson Bay Bridge 47.694584 -114.166124
Riverside Park 47.694151 -114.165599

Support Personnel

  • Pilot: Mark Johnston
  • Observer: May Spengler
  • Paddler: Karl Kingery

Swim Data

Note: This was a simultaneous solo swim with Sarah Thomas (documented separately).

  • Start: July 3, 2015, 03:43 (Mountain Daylight Time)
  • Finish: July 3, 2015. 19:33
  • Elapsed: 15 hours, 50 minutes

First unassisted lengthwise crossing of Flathead Lake by a male.

Summary of Conditions

  • Water Temp: 70-71F at start, to 75F at end
  • Air Temp: 55F at start to 95F mid-afternoon
  • Wind Speed: calm at start to 10mph mid-afternoon

GPS Track

Speed per Trackpoint

Observer Log

Photos

Media