That's her 800 style of running. Did it last year too. It works for her though because she's successful in this race.
I know, I saw that race. That's where she got the flower from. However it was obvious she was going to get eaten alive by the field this time. She should've toned it down after 450 m so she can still feed off her competition. Then turn it back on with 250m to go . Its dangerous to have a huge lead like that in the beginning of an 800.

. no pics just saw it on nbcsn