Photo: 12-mile ride, 3-mile run, 10:00 a.m., 40 degrees, Marion, Iowa

Weekly activity log:

Swim: 3,100 (ytd 167,700 yds.)

Bike: 63 (ytd 3,034 mi.)

Run: 30 miles (ytd 1,467 mi.)

Photo: 6-mile run, 6:00 a.m., 50 degrees, Scottsdale, Arizona

Weekly activity log:

Swim: 3,100 (ytd 164,600 yds.)

Bike: 30 (ytd 2,971 mi.)

Run: 25 miles (ytd 1,437 mi.)

It's beginning to look a lot like…Scottsdale.

Photo: 7-mile run, 21-mile ride, 9:00 a.m., 45 degrees, Marion, Iowa

Weekly activity log:

Swim: 3,100 (ytd 161,500 yds.)

Bike: 54 (ytd 2,941 mi.)

Run: 23 miles (ytd 1,412 mi.)

Photo: 8-mile run, 9:00 a.m., 25 degrees, Decorah, Iowa

Weekly activity log:

Swim: 3,100 (ytd 158,400 yds.)

Bike: 38 (ytd 2,887 mi.)

Run: 27 miles (ytd 1,389 mi.)

Photo: 3-mile run, 8:00 a.m., -1 degree, Minneapolis, Minnesota

Weekly activity log:

Swim: 3,000 (ytd 155,300 yds.)

Bike: 50 (ytd 2,849 mi.)

Run: 32 miles (ytd 1,362 mi.)

Tradition.