Susitna 100, Yukon Arctic Ultra

Zane Grey Highline Trail

Arkansas Traveller 100

Angeles Crest 100-Mile Endurance Run, Badwater Ultramarathon, Bishop High Sierra 50, Leona Divide Fifty Mile Ultramarathon, Ohlone Wilderness 50K Trail Run, Rio Del Lago 100 Miler, San Diego 100 Mile Endurance Run, Western States 100 Mile Endurance Run

Hardrock Hundred Mile Endurance Run, Leadville Trail 100, San Juan Solstice 50 Mile Run

Chicago Lakefront 50K

HUFF Huntington Ultra Frigid Fifty

JFK 50 Miler, The Hat Run

Strides for Life

Edmund Fitzgerald 100K Road Race

Carl Touchstone Memorial Mississippi 50 Trail Run

Elkhorn Endurance Runs, Le Grizz Ultramarathon

Tahoe Rim Trail 50K/50M

Finger Lakes Fifties

Black Mountain Marathon and Mount Mitchell Challen, Salem Lakeshore Frosty 50K Trail Race, Umstead 100 Endurance Run

Mohican Trail 100 Mile Run

McDonald Forest 50K UltraMarathon, Where's Waldo 100K Ultramarathon & Relay

Strolling Jim 40 Mile Run

Prickly Pear Trail Races, Sunmart Texas Trail Ultra Run - 50 Mile and 50K, The Grasslands Run

Squaw Peak 50 Mile Trail Run, Wasatch Front 100 Mile Endurance Run

Vermont 100 Endurance Run

Massanutten Mountain Trails 100 Mile Run, Mountain Masochist 50 Mile Trail Race, Old Dominion 100 Miller