California (Mendocino) Mendocino 100 Sunday, July 5 (62, 100 miles)
Colorado (Leadville) Leadville Silver Rush 50 MTB - Saturday, July 11 (50 miles)
Utah (Beaver) Crusher in The Tushar - Saturday, July 11 (70 miles)
Oregon (Bend) The Oregon 24 - Saturday, July 11 - Sunday, July 12 (12 & 24 hours)
New Mexico (Chama) Chama Redneck Epic - Saturday, July 11 (21, 50, 70, 101 miles)
North Dakota (Bismarck) Otter Creek 55 Endurance Mountain Bike Race - Saturday, July 11 (16, 29, 55 miles)
South Dakota (Sturgis) Tatanka 100 (NUE) – Saturday, July 11 (100 miles - NUE)
Wisconsin (Gleason) BURGR 95 Saturday, July 11 (95 miles)
Ohio (Cincinnati) Tri-State 6 #2 East Fork State Park - Sunday, July 12 (6 hour)
Maryland (Flintstone) EX2 Offroad Duathlon and Triathlon Sunday, July 12 (Sprint)
California (Northstar) Tahoe Trail (Leadville Qualifier) - Saturday, July 18 (50k & 100k)
Canada (Squamish Squamish Gearjammer - Saturday, July 18 (45km)
Michigan 6 & 12 Hours of Ithaca - Saturday, July 18 (6 & 12 hours)
Oregon (Bend) High Cascade 100 - Saturday, July 18 (100 miles - NUE)
Colorado (Breckenridge) Breckenridge 100 Saturday, July 18 (100 miles)
Virginia (Davnille) 6 Hours of Anglers Ridge - Saturday, July 18 (6 hours)
Wisconsin Thunderdown in the Underdown - Saturday, July 18 (3, 6, 10 hours)
Europe (Ruhpolding) Trans Alp Stage Race Sunday, July 19 - Saturday, July 25 (625km / 7 Stages)
California (Bear Lake) Grizzly 100 - Saturday, July 25 (100km - NUE)
Tennessee (Chattanooga) Night Shift 6 Hours of TNT - Saturday, July 25 2015 (6 hour)
Norway (Alta) Offroad Finnmark 300 - Saturday, July 25 - Saturday, August 1 (Adventure Race)
Norway (Alta) Offroad Finnmark 700 - Saturday, July 25 - Saturday, August 1 (Adventure Race)
UK (Plymouth) Bontrager TwentyFour12 - Saturday, July 25 - Sunday, July 26 (12, 12 (night start), 24 hours)
California (Big Bear Lake) Big Bear Grizzly 100 - Saturday, July 25 (100 miles - NUE)
California (Big Bear Lake) Big Bear Grizzly Gran Fondo - Saturday, July 25 (20k, 30k, 50k, 70k, 100k fondo)
Colorado (Telluride) Telluride 100 Mountain Bike Race - Saturday, July 25 (100 miles)
South Dakota (Rapid City) Black Hills Back 40 Saturday, July 25 (22, 40 miles)
Pennsylvania (Coburn) Wilderness 101 - Saturday, July 25 (100 miles - NUE)
Utah (Bryce Canyon National Park) Bryce Canyon Fat Tire Festival - Saturday, July 25 - Sunday, July 26 (36 & 66 miles, tour)
North Carolina (Old Fort) Off Road Assault on Mt. Mitchell Saturday, July 25 (60 miles)
Colorado (Durango) Colorado Trail Race - Sunday, July 26 (500 miles)
Canada (Salmon Arm) The Singletrack 6 Stage Race - Sunday, July 26 - Friday, July 31 (Stage Race)
UK (Isle of Man) The Manx 100 - Sunday, July 26 (100 miles)
Ohio (Cincinnati) Tri-State 6 #3 Hueston Woods State Park - Sunday, July 26 (6 hour)
Italy Iron Bike - Saturday, July 25 - Saturday, August 1 (Stage Race)
Date to be determined:
Michigan Boyne Challenge XCM
West Virginia (Bruceton Mills) WVMBA Ultra & Ultra Lite - Saturday, August 1 (23 & 52 miles)
New Mexico (Albuquerque) Atomic Smasher 200 (Road) - Saturday, August 1 (200 miles)
Colorado (Summit County) The Mountains Revenge - Saturday August 1 - Sunday August 2 (24 hours)
North Dakota (Watford City) Maah Daah Hey 100 - Saturday, August 1 (25, 50, 75, 100 miles)
North Carolina (Greensboro) 6 Hours of Bur-Mil - Saturday, August 1 (6 hours)
Wisconsin (Wausau) Wausau24 – Saturday, August 1 -Sunday, August 2 (6, 12, 24 hours)
New Hampshire (Great Glen) 24 Hours of Great Glen - August 7,8,9 (12 & 24 hours)
Portugal Portugal Bike Race 500 - Saturday, August 7
Puerto Rico Las 100 De La Parguera - Friday, August 7 - Sunday, August 9 (50k, 100k)
Georgia (Canton) 6 Hour Race To Sunset - Saturday, August 8 (6 hours)
Michigan (Marquette) Ore To Shore - Saurday, August 8 (28, 48 miles)
Washington (Mead) Mt. Spokane Hucklebeary Epic - Saturday, August 8 (20, 40, & 60 miles)
Wisconsin (Eagle) Southern Kettles Classic - Saurday, August 8 (20, 40, 80 miles)
Kentucky (Burlington) Tri-State 6 #4 - Sunday, August 9 (6 hour)
Colorado (Breckenridge) Breck Epic - Sunday, August 9 - Friday, August 14 (6 stages)
CAN (Whistler) Just Another Bike Race - Saturday, August 15 (40km)
Colorado (Leadville) Leadville 100 - Saturday, August 15 (100 miles)
Georgia (Acworth) 12 Hours of Insomnia - Saturday, August 15 (12 hours)
Michigan Pando 6 & 12 Hour - Saturday, August 15 (12 hours)
New Mexico (Cedar Crest) Watermelon Beat Down - Saturday, August 15 (28, 34, 47 miles)
Ohio (Wooster) Vulture's Knob 24 Hour Race - Sat, August 15 - Sun, August 16 (12 & 24 hours)
Wyoming (Grand Teton National Park) Pierre’s Hole 100 - Saturday, August 15 (100 miles - NUE, 50 miles)
New Hampshire (Greenfield) Hampshire 100 - Sunday, August 16 (100 miles - NUE)
Mongolia Mongolia Challenge - Friday, August 21 - Sunday, August 30 (Stage Race)
Maryland (Westminster) 24 Hours of Duathlon (Ride and Run) - Saturday, August 22 (24 hours)
North Carolina (Fontana Dam) Night Train - Saturday, August 22 (6 & 12 hours)
West Virginia (Slatyfork) Slatyfork FatTire 50 - Saturday, August 22 (50 miles)
Wyoming (Wilson) Teton PASS Kicker - Saturday, August 22 (30k)
Colorado (Gunnison) 24 Hrs. in the Sage Saturday, August 22 - Sunday, August 23 (24 hours)
Michigan (Traverse City) X100 and X50 - Saturday, August 29 (10, 20, 50 & 100 miles)
Colorado (Nederland) Cougar Slayer ITT Saturday, August 29 (70miles+)
Arizona (Flagstaff) Barn Burner 104 - Saturday, August 29 (26, 52, 104 miles)
Alabama (Auburn) 12 hours of Nite Nationals - Saturday, August 29 (12 hours - nite event)
North Carolina (Clemmons) 6 Hours of Tanglewood - Saturday, August 1 (6 hours)
Virginia (Blacksburg) Allegheny Mountains Loop – Friday, September 4 (400 miles)
Australia (Melrose) 18 Hours of Melrose Friday, September 4 - Saturday September 5 (6 & 18 hours)
Bhutan (Thimphu) Dragon's Fury/Tour of the Dragon - Saturday, September 5 (60k/268k)
Canada (Kingston, Ontario) Kingston Trophy - Saturday, September 5 (37k & 70k)
Colorado (Crested Butte) Grand Traverse Mountain Bike - Saturday, September 5 (40 miles)
Colorado (Pikes Peak) Ring The Peak 100k-ish - Saturday, September 5 (100k)
Idaho (Ketchum) Rebecca's Private Idaho - Saturday, September 5 - Sunday, September 6 (56, 94 miles)
Montana (Kalispell) 12 and 24 Hours of Flathead - Saturday, September 5 - Sunday, September 6 (12 & 24hr)
Canada (BC) Kootenay Sufferfest - Friday, September 5 - Monday, September 7 (40-100km events daily)
Utah (Park City) Park City Point to Point - Saturday, September 5 (76 miles)
Florida (Alachua) 8 Hours of Labor - Sunday, September 6 (6 hours)
Mississippi (Ackerman) Skool of Hard Nox 50 - Sunday, September 6 (25 & 50 miles)
Virginia (Stokesville) Shenandoah Mountain 100 - Sunday, September 6 (100 miles)
Indiana (Versailles) 24 Hours of DINO - Saturday, September 12 - Sunday, September 13 (6, 12, 24 hours)
Michigan (Grayling) 12 & 24 Hours of Hanson Hills - Saturday, Sept 12 - Sunday, Sept 13 (12, 24 hours)
Minnesota (Duluth) Gitchee Gumee Traverse - Saturday, September 12 (50 miles)
New Mexico (Taos) Double Boundary Trail - Saturday, Sept 12 (35 & 69 miles)
New Mexico (Silver City) Gila Hunnerd - Saturday, September 12 (20, 40, 60 miles) Check race page for trail update - fire damage
Wisconsin (Rhinelander) Rasta Rock N Root Saturday, September 12 (3, 6, 10 hour)
Colorado (Salida) Vapor Trail 125 - Saturday, September 12 & Sunday, September 13 (125 miles)
North Carolina (Pisgah National Forest) Pisgah Monster Cross - Saturday, September 12 (70 miles) Pending permit for race date.
Maryland (Woodland) Patapsco 100 - Sunday, September 13 (100 miles)
Massachusetts (Hingham) Landmine Mountain Bike Classic - Sunday, September 13 (7.6, 12.5, 25, 50 miles)
Wisconsin (Cable) Chequamegon 40 - Saturday, September 19 (40 miles)
Wisconsin (New Fane) Northern Kettles Fall Epic - Saturday, September 19 (3, 6, 10 hours)
Switzerland (Verbier) Swiss Epic - Monday, September 14 - Saturday, September 19 (6 stages)
Georgia (Dahlonega) Fool's Gold 50/100 Saturday, September 19 (50, 100 miles NUE SERIES FINALE)
Colorado (Rico) Rico 100 - Saturday, September 19 (50 and 100 miles)
Virginia (Maidens) 6 & 18 Hours Scouts Honor - Saturday, September 19 - Sunday, September 20 (6, 18 hours)
West Virginia (Davis) Revenge of The Rattlesnake - Saturday, September 19 (25k, 50k)
California (Weaverville) 8 & 4 Hours of Weaverville - Saturday, September 26 (4, 8hour)
Michigan (Ishpeming) Marji Gesick 100 - Saturday, September 26 (100 miles)
North Carolina (Hayesville) 6 Hour SEC Big Ring Challenge - Saturday, September 26 (6 hours)
Colorado (Dolores) Dolores 100/50 - Saturday, September 26 (50, 100 miles)
North Carolina (Hayesville) Big Ring Challenge - Saturday, September 26 (3, 6 hours)
France Ultra Raid Marathon - Sunday, September 20 (100km+)
Date to be determined:
Italy (Rome) MTB 24 Hours of Rome (24 hours)
Puerto Rico The Legendary Survivor MTB - (75km and 125k)
Colorado (Lakewood) Battle of the Bear - Saturday, October 3 (20, 30 & 50 miles)
New Mexico (Albuquerque) Manzanita Mountain Epic - Saturday, October 3 (84 miles)
California (Santa Barbara) Santa Barbara Mountain Bike Classic - Saturday, October 3 (50km, 100km, 100miles)
California (Weaverville) World Solo 24 Hour Mountain Bike Championships - Sat, Oct 3-Sun, Oct 4 (24 hours)
Missouri (Bunker) Ozark Trail 50 & 100 - Saturday, October 3 (100 miles)/ Sunday, October 4 (50 miles)
Wisconsin WEMS Championship - Saturday, October 3 (3, 6, 9 hours)
Portugal (Faro) TransGharb Stage Race - Sunday, October 4 - Saturday, October 10 (670km over 7 stages)
South Africa (Beitbridge) The Trans Afrika - Sunday, October 4 (Adventure/Bikepacking)
Arizona (Flagstaff) Coconino Stage Bikepack - Friday, October 9 (250 miles)
Michigan (Leonard) 8 Hrs. of Addison Oaks - Saturday, October 10 (8 hours)
Minnesota (Crosby) Salsa Oremageddon - Saturday, October 10 (50 miles)
Tennessee (Chattanooga) Lula Lake & Trust 5-Points 50 - Saturday, October 10 (50 miles)
Utah (Moab) Moab Rocks Stage Race - Saturday, October 10 - Monday, October 12 (3 stages)
Georgia (Hartwell) Battle For Paynes Creek - Saturday, October 17 (3 & 6 Hours)
New Mexico (Zuni Reservation) Zuni Mountain- Saturday, October 17 (41, 82 miles)
Texas (Smithville) 24 Hours of Rocky Hill - Saturday, October 17 - Sunday, October 18 (24 hours)
Colorado (Saguache) 12 Hours of Penitence - Sunday, October 18 (12 hours)
Alabama (Pelham) Cahaba 50/100 - Saturday, October 24 (50, 100 miles)
California (Los Olivos) The 10th Annual 24, 12 & 6 Hours of Halloween MTB Weekend (6, 12, 24 hours)
California (Orange County) Counting Coup – Saturday, October 24th (44 miles)
California (Orange County) Vision Quest – Saturday, October 24 (56.5+ miles)
Utah (Moab) Epic Moab Mountain Bike - Saturday, October 24 (50 miles)
North Dakota (Grand Forks) End-Tombed - Saturday, October 24 (12 hours)
Missouri (Steelville) Berryman Trail Epic - (55 miles)
Vermont (Victory) The CircumBurke - Sunday, October 25 (18, 26, and 50 miles)
New Mexico (Sacramento Mountains) Sacramento Rim Roller - Saturday, October 31 (65 miles)
North Carolina (Pisgah National Forest) Sycamore Cycles Swank 65 - Sunday, November 1 (65 miles)
North Carolina (Pisgah National Forest) The Couch Potato - Sunday, November 1 (25 miles)
Costa Rica (Jaco) La Ruta Conquistadores – Thursday, November 5 - Saturday, November 7 (coast to coast)
Utah (Hurricane) 25 Hours in Frog Hollow - Saturday, November 7 - Sunday, November 8 (25 hours)
Georgia (Dalton) Dry Creek Championships - Saturday, November 7 (3 & 6 hours)
California (Temecula) 12 & 6 Hours of Temecula #3 - Saturday, November 7 (6, 12 hours)
Texas (Lake Buchanan) Reveille Peak 100 – Saturday, November 21(100km)
Florida Cross Florida ITT *Open Start Time*(250 miles)
South Africa (Bloemfontein) The Munga - Wednesday, December 2 - Monday, December 7 (1,000+ km)
Arizona (Fountain Hills) Dawn to Dusk - Saturday, December 12 (7:23am - 5:20pm lap race)