The solid Blue Background behind their number signifies their first Marathon attempt. I do know at least one of them finished since I saw him after the race.

Brandon James number: 3544
age: 16
gender: M
overall place: 1857 out of 3507
division place: 21 out of 29
gender place: 1392 out of 2311
time: 4:20:12
pace: 9:56
gun time: 4:22:22
10k: 51:37
half: 1:45:06
35k: 3:26:21

Ryan number: 3525
age: 17
gender: M
overall place: 268 out of 3507
division place: 5 out of 29
gender place: 241 out of 2311
time: 3:24:18
pace: 7:48
gun time: 3:26:29
10k: 51:36
half: 1:43:35
35k: 2:50:26

Michael number: 3469
age: 17
gender: M
overall place: 1858 out of 3507
division place: 22 out of 29
gender place: 1393 out of 2311
time: 4:20:12
pace: 9:56
gun time: 4:22:22
10k: 51:37
half: 1:45:06
35k: 3:26:22

CONGRATULATIONS GUYS
(Results posted are preliminary)