Craig Lenning - Flathead Lake

Somers to Polson

27.6 miles

15 hours, 50 minutes on July 3, 2015

Observed and documented by 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