.@Tara_Welling is your 2016 @usatf Half Marathon Champion!!! #USARC

.@Tara_Welling seeks her second consecutive #USARC title, coming off her @usatf 15k champs win last month - the finish is coming!

Landry, Fauble and Bauhs finish 1-2-3 in the men's race #USARC

.@RunChristo is your 2016 @usatf Half Marathon Champion!!! #USARC

Christo Landry and Tara Welling leading the fields by 10+ seconds each, Landry a mile to go!

.@RunChristo has a 10+ second lead with just over a mile to go #USARC

Christo Landry just blows open the men's race at mile 10, pushing the pace and stringing out the lead pack

Tara_Welling is starting to crush it, leading the women's race at the USATF Half Marathon Championship, passing through 8 miles

The men's race continues to be close as they approach mile 10, still running 4:44-4:50 - Scott Fauble leads and a pack of 10 runners are still in contention

Women's Update: Linden, Welling, Bawcom, Nelson and Flanagan are the lead group of women through 5 miles at the @usatf Half Marathon Championships #USARC

The pace continues to be strong through six miles, as Scott MacPherson and Scott Fauble continue to lead, hitting 4:44-4:49 per mile

Scott Fauble of HOKA ONE ONE Northern Arizona Elite leads a pack of about 18 through the first 5k - the pace is modest

Aron Rono and Brianne Nelson are the top returnees, coming off sixth and runner-up finishes last year

It's 47 degrees and overcast this morning at the USATF Half Marathon Championships - a perfect day for a race!