Dillon watches Andrew climb.
Eddie sprints up the stairs.
Alana climbs.
Jackie & Christine take a walk together.
Paranoid, Ian checks back over his shoulder.
Alana speeds ahead of Jazmin & Destiny.
Jackson runs toward his timer, Leyla.
Becki keeps Destiny behind her.
This lab gets Tyler's approval.
Now Jackie & Christine get competitive.
Jesse pumps his stilts
legs.
Jacob enjoys running up stairs.
Erika tries to see the steps through her hair.
Jordan climbs hard.
Cameron takes a leisurely stroll.
Kyle, T.J., and a classmate discuss their results.
C.J. talks on her cell phone as she climbs. Don't let her drive!!!
Jessica, Leyla, & Taylor discuss...well, it's probably not the lab!!
Jim concentrates on running.
Jesse takes his 'slow' walk to heart.
Jordan puts a little more energy into it.
Dillon pauses in confusion.
Jazmin keeps ahead of Destiny.
Kamila strolls along as Mallory tries to catch up.
Nic starts off with an audience.
Wayne's got his own little fan club there.
Eric exerts some energy - and appears to enjoy it!!
Jazmin takes a cool-down walk.
Figuring it out, Dillon begins his ascent.
Jessica concentrates on the steps.
Mallory's gaining on Kamila!!
Kaslin takes it easy.
Kaela climbs slowly.
Josh contemplates his chosen number of steps before taking his fast walk.
Matt's taken by surprise.
Kyle's training like Rocky Balboa.
For some reason, Sami finds Kayla's climbing amusing...
Mariah goes all out on her fast 'walk'.
Kaslin runs up the stairs, hair flyin' all over the place.
Mariah even sprints on her slow walk!
Sam keeps safety in her climb.
Matt has a good time climbing quickly.
Leyla marches up the steps.
Hey, wait a minute!!! Kaslin's running barefoot!!!!!!
Leng takes his time climbing.
<att looks like he's up to something - or should I say, 'down' to something...
Sheridan calculates her every step.
Sam tries to keep her hair out of her eyes!
As does Rachel, who's focused on her goal.
Sami concentrates on her slow walk.
Taite strolls up the steps.
Sami bounces those curly auburn locks.
Tayler sneaks up on Matt...
...but Matt hears her & blocks her path!
Stephanie & Tayler slowly climb the stairs.
On the fast walk, Stephanie pulls away from Tayler.
Taylor runs away from the creepy guy in the hood.
Trevor & Nathan methodically climb the stairs.
Trevor sprints past Tyler.
Tyler starts out fast...
...but kicks it up notch when he passes Trevor.
Taylor goes all out.
