Photo: 17-mile run, 17-mile ride, 1,500-yard swim, 7:00 a.m., 28 degrees, Linn County, Iowa

Weekly activity log:

Swim: 3,800 (ytd 23,400 yds.)

Bike: 78 (ytd 852 mi.)

Run: 40 miles (ytd 354 mi.)

Photo: 30-mile fixie ride, 8-mile run, 1,300-yd swim, 9:00 a.m., 38 degrees, Linn County, Iowa

Weekly activity log:

Swim: 4,100 (ytd 19,600 yds.)

Bike: 85 (ytd 774 mi.)

Run: 40 miles (ytd 314 mi.)

Riiiiiiight.

Photo: 27-mile ride, 7-mile run, 1,300-yd swim, 9:00 a.m., 38 degrees, Linn County, Iowa

Weekly activity log:

Swim: 2,300 (ytd 15,500 yds.)

Bike: 81 (ytd 689 mi.)

Run: 30 miles (ytd 274 mi.)

Mooooove it.

Photo: 7-mile run, 20-mile ride, 9:00 a.m., 28 degrees, Linn County, Iowa

Weekly activity log:

Swim: 1,200 (ytd 13,200 yds.)

Bike: 68 (ytd 608 mi.)

Run: 34 miles (ytd 244 mi.)

Photo: 13-mile run, 16-mile ride, 8:00 a.m., 14 degrees, Linn County, Iowa

Weekly activity log:

Swim: 0 (ytd 12,000 yds.)

Bike: 72 (ytd 540 mi.)

Run: 32 miles (ytd 210 mi.)