Bethel Hill Moonlight Boogie (50M) NC
Bishop High Sierra (50M/50K/20M) CA
Crown King Scramble (50M/50K) AZ
Dave Garrison Memorial (50M/50K) CO
Dick Collins Firetrails Fifty (50M) CA
Fairfield Trail Runs (50M/50K) IA
The Grasslands Run (50M/25M/10M) TX
JFK (50M) MD
Le Grizz (50M) MT
Leona Divide (50M) CA
Likely Mountain Run (50M/50K/10M) CA
Lost Boys (50M) CA
McNaughton Park Trail Runs (10/30/50/100M) IL
Mississippi Trail 50 (50M/50K/20K) MS
Mountain Masochist Trail Run (50M) VA
Napa (50M/50K) CA
Owen-Putnam State Forest Trail Run (50M/50K/14M) IN
PCT (50M) CA
Pacific Crest Trail Ultra (50M/50K) OR
Phoenix National Trail Endurance Run (50M) AZ
Quicksilver (50M/50K) CA
Quivering Quads Trail Runs (50M/50K/13.1M/10K) MO
Rockin K Trail Runs (50M/26M) KS
Ruth Anderson (50M/100K) CA
Silver State (50M/50K/Relay) NV
Smuggler's 50 (50M) CA
Squaw Peak Trail Run (50M) UT
Superior Trail (50M) MN
Wickham Park (50M/26.2M) FL