What it all means...
Below is an explanation of the events included in the ultra rankings and a listing of the abbreviations for each event name.

BAN        Bandera 50K, 100K
BEND       Big Bend 50K
CAN        Ultra Canyon 47K
CTTR       Cross Timbers Trail Run 50 mile
DOOG       Doogie's Run 50 mile
ET         East Texas Ultrarunners 50K
FA         Fat Ass 50K
GRASS      Grasslands 50 mile
HOG        Hog's Hunt 50K
HUEW       Houston Ultra Event Weekend 6/12/24/48 hour, 100K
LSTR       Lone Star Trail Run 50K
PD         Palo Duro 50K, 50 mile
PP         Prickly Pear 50K
RHR        Rocky Hill Ranch 50K
RLR        Rockledge Rumble 50K
RR         Rocky Raccoon 50K, 50 mile, 100 mile
SUN        Sunmart 50K, 50 mile
UC         Ultracentric 6/12/24/48 hour
WACO       Waco 5-0 50K
WC         Warda Cardiac 50 mile
WT         West Texas Jackrabbit Rally 28.5 mile