Photo: 13-mile run, 7:00 a.m., 5 degrees, Marion, Iowa

Weekly activity log:
Swim: 3,300 yds (ytd 32,500 yds.)
Bike: 92 miles (ytd 710 mi.)
Run: 26 miles (ytd 197 mi.)

Heat wave.

Photo: 12-mile run, 7:30 a.m., -3 degrees, Marion, Iowa

Weekly activity log:
Swim: 6,300 yds (ytd 29,200 yds.)
Bike: 92 miles (ytd 618 mi.)
Run: 28 miles (ytd 171 mi.)

If the heat had been on, I'd have stopped.

Photo: 11-mile run, 7:30 a.m., -7 degrees, Marion, Iowa

Weekly activity log:
Swim: 2,000 yds (ytd 22,900 yds.)
Bike: 97 miles (ytd 526 mi.)
Run: 29 miles (ytd 143 mi.)

After a break for a blizzard, it's back below zero.

Photo: 10-mile run, 7:30 a.m., 20 degrees, Marion, Iowa

Weekly activity log:
Swim: 5,900 yds (ytd 22,900 yds.)
Bike: 87 miles (ytd 429 mi.)
Run: 21 miles (ytd 114 mi.)