Photo: 16-mile ride, 8-mile run, 8:00 a.m., 22 degrees, Marion, Iowa

Weekly activity log:
Swim: 4,800 yds (ytd 25,400 yds.)
Bike: 54 miles (ytd 397 mi.)
Run: 25 miles (ytd 148 mi.)

Photo: pre-workout, 6:00 a.m., Decorah, Iowa

Weekly activity log:

Swim: 4,800 yds (ytd 20,600 yds.)

Bike: 54 miles (ytd 343 mi.)

Run: 28 miles (ytd 123 mi.)

Words to live by.

Photo: 7-mile runs, 55 degrees and 28 degrees, 6:00 a.m. and 8:00 a.m., Scottsdale, Arizona and Decorah, Iowa

Weekly activity log:

Swim: 3,600 yds (ytd 15,800 yds.)

Bike: 48 miles (ytd 289 mi.)

Run: 24 miles (ytd 95 mi.)

What a difference a day makes. 

Photo: 1-hour ride, 1-hour run, 10 degrees, 8:00 a.m., Marion, Iowa

Weekly activity log:
Swim: 4,200 yds (ytd 12,200 yds.)
Bike: 55 miles (ytd 241 mi.)
Run: 23 miles (ytd 71 mi.)

30 degrees and ice one day, 60 degrees and rain the next, 10 degrees and snow the next...Iowa.