We're enjoying the thin air of Flagstaff as we take Valeriia Zinenko (10k-32:47) through her first VO2 session of the trip! She gives us a lesson in how to grind and stay cool even when the finish line isn't in sight. WORKOUT: 2000m @ 6:45 400 jog 2000m @ 6:54 400 jog 600m @ 1:59 200 jog 400m @ 1:16 200 jog 200m @ 55 200 jog 600m @ 1:58 200 jog 400m @ 76 200 jog 300m @ 56 200jog 200m @ 36 Website: www.thunderroadrunning.com/ Camps: www.thunderroadrunning.com/camps.html Coaching: www.thunderroadrunning.com/coaching.html Athlete Testing: www.thunderroadrunning.com/athlete-testing.html