Photo: Rain- and mud-soaked 15-mile run, 8:00 a.m., 40 degrees, Squaw Creek Park, Linn County, Iowa

Weekly activity log:
Swim: 4,700 yds (ytd 18,200 yds.)
Bike: 76 miles (ytd 337 mi.)
Run: 34 miles (ytd 125 mi.)

Photo: 16-mile run, 8:00 a.m., 24 degrees, Marion, Iowa

Weekly activity log:
Swim: 4,600 yds (ytd 13,500 yds.)
Bike: 77 miles (ytd 261 mi.)
Run: 34 miles (ytd 91 mi.)

The lonely roads are the only roads.

Photo: 2.5 hour single-speed ride, 8:00 a.m., 24 degrees, back-backroads of Linn County, Iowa

Weekly activity log:
Swim: 4,500 yds (ytd 8,900 yds.)
Bike: 94 miles (ytd 184 mi.)
Run: 29 miles (ytd 57 mi.)

Photo: Gravelicious single-speed ride, 3:00 p.m., 38 degrees, rural Linn County, Iowa

Weekly activity log:
Swim: 4,400 yds
Bike: 90 miles
Run: 26 miles

Video Clips One & Two: 20-foot swim, 10:00 a.m., 30 degrees (35 degrees underwater), Lake Minnetonka, Minnesota

Weekly activity log:
Swim: 3,107 yds (including 7 yds outside)
Bike: 74 miles
Run: 32 miles