In just a couple of weeks, Trenni Casey will set out to run 161 miles in six days. No, there is not a decimal point missing there. Casey, the NBC Sports Boston host and anchor, is taking on the ...

In just a couple of weeks, Trenni Casey will set out to run 161 miles in six days. No, there is not a decimal point missing there. Casey, the NBC Sports Boston host and anchor, is taking on the ...

Trenni Casey runs across a bridge in Wisconsin as part of her 161 mile relay. (David S. Heiser Jr.) Trenni Casey runs 161 miles across Wisconsin to raise money for MS research.

Muskego native Trenni Casey will be running 161 miles during six days as part of the MS Run the US cross-country relay, starting in Platteville and ending in Wauwatosa.

Muskego native Trenni Casey will be running 161 miles during six days as part of the MS Run the US cross-country relay, starting in Platteville and ending in Wauwatosa.

In just a couple of weeks, Trenni Casey will set out to run 161 miles in six days. No, there is not a decimal point missing there. Casey, the NBC Sports Boston host and anchor, is taking on the ...