100-Mile Races in the US

Ghost Train 30-Hour Ultramarathon

Camp Tevya, Brookline, New Hampshire, USA · Trail

A 30-hour race on the Granite Town Rail Trail between Brookline and Milford. Runners may stop after any completed 15-mile out-and-back; 100 miles takes six full laps plus a 10-mile seventh, and some keep going.

Edition note: Sold out: UltraSignup says the 30-hour race’s waitlist, capped at 175, filled in early May, and October 2 was the last day to join from the waitlist. Registration closed October 12. The race starts Saturday, October 17 at 9:00 AM ET; Camp Tevya opens for camping setup Friday at 3:00 PM, and campers must complete the 2026 camping form first.

Gila 100

Santa Clara, near Silver City, New Mexico, USA · Trail

A 100-mile race in the Gila National Forest that covers the 50-mile out-and-back from Santa Clara to Sapillo Campground twice, following the Continental Divide Trail to nearly 9,000 ft, with roughly 14,774 ft of climbing and a 36-hour limit.

Edition note: New for 2026: instead of one long out-and-back, 100-mile runners cover the 50-mile out-and-back twice; the organizer says the total distance and difficulty stay the same. On October 12, UltraSignup showed 37 registered 100-mile entrants and "70 spots available", with registration closing Thursday, October 15 at 5:00 AM Mountain Time (the runners manual says 11:59 PM that day). Late entrants may not receive a buckle, hat or shirt at the race.

Sonoma Fall Classic 100 Mile

Lake Sonoma, Geyserville, California, USA · Trail

A new 100.5-mile, two-loop race at Lake Sonoma, with an estimated 25,058 ft of climbing and a 36-hour limit.

Edition note: Online registration closes October 12 at 11:59 PM; the organizer says Mountain Time and UltraSignup says Pacific Time. The organizer's price table also lists a race-week tier, so ask Aravaipa before assuming late entry is possible. Live timing is listed as coming soon.

Uwharrie 100 Mile Trail Run

Uwharrie National Forest, near Troy, North Carolina, USA · Trail

Five laps of a technical 20.5-mile figure-eight loop of rocky, rooty singletrack in North Carolina's Uwharrie National Forest, 102.5 miles in all with 17,420 ft of climbing and a 36-hour limit.

Edition note: Online registration closed October 10 at 11:59 PM Eastern Time, and the UltraSignup waitlist is closed too. On October 12, UltraSignup listed 39 entrants in the 100-mile race and 63 in the 100K, under the combined cap of 150. The race starts at 6:00 AM on Saturday, October 17.

Cactus Rose 100 Mile

Hill Country State Natural Area, Bandera, Texas, USA · Trail

Four 25-mile loops of rocky Hill Country trail near Bandera, alternating direction each lap, with unstaffed aid stations that supply only water and ice and a 44-hour limit.

Edition note: Registration is open on RunSignup (checked October 12): the 100-mile fee is $245 through October 14 at 11:59 PM CDT, then rises, and online entry closes at the 4:00 PM CDT start on October 23. Cactus Rose is capped at 500 runners across all distances. The 100-miler starts Friday afternoon; the 50-, 25- and 5-mile races start Saturday morning.

No Business 100

Pickett CCC Memorial State Park, Jamestown, Tennessee, USA · Trail

A single 100.2-mile loop from Pickett CCC Memorial State Park through the Big South Fork into Kentucky and back, run counterclockwise in 2026, with about 14,500 ft of climbing and a 34-hour limit.

Edition note: The 2026 race is full on RunSignup (checked October 12); a waitlist is open and registration closes October 21 at 11:59 PM CDT. The 2026 runner’s manual, last updated September 29, uses a 100.2-mile counterclockwise course; the homepage still lists 102 miles. Piney Butte became a no-crew aid station (drop bags still allowed) on September 29, and the September 19 training run was cancelled. RunSignup shows a 7:00 AM–5:00 PM CDT event window, but the manual sets an 8:00 AM CT start and 6:00 PM CT finish.

Rim to River 100

New River Gorge, West Virginia, USA · Trail

A 100-mile out-and-back through New River Gorge with repeated rim-to-river traverses, 12,000 ft of climbing, and a 32-hour cutoff.

Edition note: The 100-mile race is sold out with a free waitlist; UltraSignup registration closes October 17 at 11:59 PM ET. The organizer's course description still uses the Rend Trail around the Thurmond aid station (miles 14–20), which the National Park Service closed on August 3, 2026 for rehabilitation, with reopening estimated for fall or winter 2027. No reroute had been announced on October 12.

Javelina Jundred — 100 Mile

McDowell Mountain Regional Park, Arizona, USA · Desert

A social desert-trail 100 using five rolling loops in McDowell Mountain Regional Park, with an estimated 6,296 ft of gain and a 30-hour cutoff.

Edition note: Waitlist at the August 10 directory review.

Ozark Trail 100 Mile Endurance Run

Mark Twain National Forest to Steelville, Missouri, USA · Trail

A 100.9-mile point-to-point race through Missouri's Mark Twain National Forest, using mostly Ozark Trail singletrack with a 32-hour cutoff.

Pinhoti 100

Pine Glen Campground to Sylacauga, Alabama, USA · Trail

A point-to-point Alabama 100-miler through Talladega National Forest and the Pinhoti Trail, ending near Sylacauga with a 32-hour cutoff.

Rio Del Lago 100 Mile Endurance Run

Beal's Point, Granite Bay, California, USA · Mixed

A varied Northern California 100-miler combining Folsom-area loops with an out-and-back trail journey into the Sierra foothills and a 30-hour cutoff.

Edition note: The final 2026 runner guide was still pending at the August 10 directory review.

Tunnel Hill 100

Vienna, Illinois, USA · Trail

A flat, fast 100-mile rail-trail race on crushed limestone with a maximum grade of about 2% and a record-focused reputation.

Dinosaur Valley Endurance Run — 100 Mile

Dinosaur Valley State Park, Glen Rose, Texas, USA · Trail

A looped Texas trail 100 in Dinosaur Valley State Park with roughly 9,000 ft of climbing and mandatory progressive cutoffs across the repeated-loop course.

Edition note: The race publishes mandatory loop cutoffs rather than one standalone final cutoff.

Brazos Bend 100

Brazos Bend State Park near Needville, Texas, USA · Trail

A flat, repeated-loop 100-miler in Brazos Bend State Park, built around runnable park trails and a 32-hour cutoff.

Edition note: Some navigation still references 2025, while the displayed race date and cutoff information are for 2026.

The Hitchcock Experience — 100 Mile

Hitchcock Nature Center, Honey Creek, Iowa, USA · Trail

A five-loop Iowa trail 100 at Hitchcock Nature Center, with steep repeated hills, roughly 4,928 ft of elevation change per loop, and a 34-hour cutoff.

Daytona 100

Jacksonville Beach to Ponce Inlet, Florida, USA · Road

A mostly point-to-point coastal-road 100-miler with a 7-mile opening out-and-back, a Ponce Inlet finish, and a 31-hour net-time limit.

Coldwater Hundred — 100 Mile

Estrella Mountain Regional Park, Goodyear, Arizona, USA · Desert

A 101.3-mile desert loop race at Estrella Mountain Regional Park, combining two shorter red loops and three longer blue loops with a 32-hour cutoff.

Edition note: The 2027 event page was current at review but still linked the 2026 runner guide.

Bradshaw Brute 100

Black Canyon City to Prescott, Arizona, USA · Mountain

A distinct 99.9-mile point-to-point race within Cocodona race week, climbing from Black Canyon City through Crown King to Prescott with a 38-hour cutoff.

Edition note: The 2027 date and cutoff are published; elevation and surface figures on the event page are labeled from the 2026 course.

Western States 100

Olympic Valley to Auburn, California, USA · Trail

A 100.2-mile point-to-point race from Olympic Valley through the Sierra Nevada and foothill canyons to Auburn, with qualification and lottery entry.

Hardrock 100

Silverton, Colorado, USA · Mountain

A high-altitude loop through Colorado's San Juan Mountains from Silverton, with the 2027 edition running counterclockwise and allowing 48 hours to finish.

Cascade Crest 100

Easton, Washington, USA · Mountain

A clockwise 100-mile mountain loop from Easton with more than 23,000 ft of climbing, long Pacific Crest Trail sections, and a 34-hour cutoff.

Heartland 100

Cassoday, Kansas, USA · Road

A 100-mile out-and-back on Kansas Flint Hills gravel and dirt roads, with exposed prairie, approximately 6,000 ft of climbing, and a standard 30-hour cutoff.

Edition note: The standard 100-mile race starts October 10 at 6:00 AM. A 4:00 AM Saturday start and a Friday 10:00 PM start for runners aged 50+ require written race-director approval. The registration copy gives conflicting Sunday finish deadlines for early starters; confirm the applicable deadline directly.

Midstate Massive Ultra Trail 100M

New Ipswich, New Hampshire to Douglas, Massachusetts, USA · Mixed

A New England point-to-point 100-miler following the Midstate Trail from New Hampshire to Massachusetts, with 13,615 ft of gain and a 34-hour limit from the first wave.

Edition note: The 2026 course maps were updated September 21. Aid Station 7 has moved to Rutland State Park, 49 Whitehall Road. Registration closed September 27; the current race information gives a 34-hour cutoff from the first wave.

Oil Creek 100 Trail Runs — 100 Mile

Titusville, Pennsylvania, USA · Trail

A 100.6-mile Pennsylvania trail race using three rugged Gerard Hiking Trail loops plus a final going-home loop, with a 32-hour cutoff.

Result: Steven Larick won the 2026 Oil Creek 100 in 19:58:03, ahead of Clinton Hepler (21:53:11) and Dan McDaniel (23:17:09). Danica Williams was the first woman in 25:13:18, 10th overall. RunSignup lists 32 finishers and 25 DNFs.

Kodiak 100M

Big Bear Lake, California, USA · Mountain

A 100.1-mile mountain route around Big Bear Valley, starting at Rim Nordic and finishing in the Village, with 15,735 ft of climbing and a 36-hour cutoff.

Result: Cody Poskin won the 2026 Kodiak 100M in 16:46:21, ahead of Alex Proctor (17:23:05) and Max Jolliffe (18:15:45). Nichole Abma of Canada was the first woman in 20:43:40, 11th overall. 279 of 428 starters finished.

Edition note: Uses the final October 6, 2026 aid-station chart for distance, elevation and cutoff. The general race page rounds the distance to 161 km and lists a different elevation total. Download the final GPX and aid chart before the race.

OG Yeti 100 Mile Endurance Run

Abingdon, Virginia, USA · Trail

A runnable Virginia Creeper Trail 100-miler based in Abingdon, using a temporary 2026 route adjustment and a 30-hour cutoff.

Result: Joshua Lecrone won the 2026 OG Yeti 100 in 12:52:32, ahead of William Weidman (13:49:49) and Dominick Borreggine (14:14:00). Janessa Taylor was the first woman in 14:59:21, fifth overall. 193 of 239 starters finished.

Edition note: The organizer’s registration confirms October 9 at 7:00 AM and shows registration closed. The previously reviewed course-adjustment page is unavailable; reconfirm the final route and crew plan in the current runner handbook.

Angeles Crest 100

Altadena, California, USA · Mountain

The 36th Angeles Crest 100 uses a new Front Range loop from Loma Alta Park for 2026 because of Highway 2 closures and Eaton Fire impacts.

Result: Eduardo Morales won the 2026 Angeles Crest 100 in 20:12:08 on the new Front Range loop from Altadena. Taelor Smith was the first woman in 22:56:58, fifth overall. 109 of 212 starters finished.

Edition note: The 2026 edition uses a new Front Range loop from Altadena, including an out-and-back section to Mt. Hillyer, instead of the traditional point-to-point course.

Arkansas Traveller 100

Camp Ouachita near Perryville, Arkansas, USA · Mixed

A 100.3-mile Ouachita Mountains race combining a figure-eight opening with a long out-and-back on forest roads, trails, and limited pavement.

Result: Preliminary organizer results list Jacob Phillips first in 16:47:32 and Courtney Rouse as the first woman in 18:49:00, sixth overall, at the 2026 Arkansas Traveller 100.

Hennepin Hundred — 100 Mile

Sterling to Colona, Illinois, USA · Mixed

A flat, point-to-point Illinois 100-miler on the Hennepin Canal State Trail, with a short out-and-back segment, mixed rail-trail surfaces, and a 30-hour cutoff.

Result: Griffin Phenegar won the 2026 Hennepin Hundred in 14:58:15, ahead of Dimitri Kilian (15:20:10) and Vincent Farinella (15:34:02). Alicia Hudelson was the first woman in 16:31:42, sixth overall. UltraSignup lists 205 finishers and 86 DNFs.

The Bear 100 Mile Endurance Run

Logan to Garden City, Utah, USA · Mountain

A 100-mile mountain race from Logan to Conestoga Ranch in Garden City, Utah, with approximately 20,363 ft of climbing and a 36-hour cutoff in 2026.

Result: Sidney Noble won the 2026 Bear 100 in 17:39:23. Kristin Johnson won the women's race in 18:50:37, third overall. 350 runners started and 254 finished.

Edition note: The 2026 course finished at Conestoga Ranch in Garden City, Utah. Older Fish Haven finish information does not describe this edition.

Flagstaff to Grand Canyon Stagecoach Line 100

Flagstaff to Tusayan near Grand Canyon, Arizona, USA · Trail

A 100-mile point-to-point Arizona Trail race from the Flagstaff area toward the Grand Canyon, with roughly 7,000 ft of gain and a 31-hour solo limit.

Result: Landon Tutt won the men's 100-mile run in 21:50:14 and Jessica Henning won the women's race in 24:26:12.

IMTUF 100

McCall, Idaho, USA · Mountain

A rugged mountain 100 from Jug Mountain Ranch near McCall, serving as both a Hardrock and Western States qualifier in 2026.

Result: Benjamin Stout won in 18:46:47 and Ginny Robbins won the women's race in 23:07:03, eighth overall; UltraSignup lists 107 finishers.

Mountain Lakes 100

Olallie Lake Resort, Oregon, USA · Mountain

A remote 100-mile Cascade trail race based at Olallie Lake, with rocky mountain terrain, Pacific Crest Trail miles, 11,700 ft of gain, and a 30-hour cutoff.

Result: Jessica Quinn won outright in 18:38:56, and Shawn Ross was the first man, third overall, in 19:56:45; UltraSignup lists 91 finishers.

Teanaway Country 100M

Cle Elum, Washington, USA · Mountain

The September 19–20, 2026 edition was cancelled due to the Three Queens Fire. The planned Cascade mountain course remains here for historical reference.

Edition note: Cancelled: Rainshadow Running’s August 8, 2026 announcement confirms that the Three Queens Fire forced cancellation of all 2026 Teanaway Country races. No race results are expected for this edition.

Grindstone 100M

Natural Chimneys Park, Virginia, USA · Mountain

A 104-mile mountain loop west of Virginia's Shenandoah Valley with roughly 21,000 ft of climbing and a 36-hour limit.

Result: Jordan Buck won in 20:58:15 and Katti Jackson won the women's race in 21:46:37, fourth overall.

Run Rabbit Run 100

Steamboat Springs, Colorado, USA · Mountain

A high-country Colorado 100-miler based in Steamboat Springs, with separate Hare and Tortoise divisions and division-specific 30- and 36-hour limits.

Result: Ryan Sullivan won the Hares race in 17:03:38 and Hannah Allgood won the women's Hares race in 19:01:59, both in course-record times.

Mogollon Monster 100

Mogollon Rim near Pine, Arizona, USA · Mountain

A rugged 102.3-mile crossing of the Mogollon Rim with six major rim climbs, 15,900 ft of gain, elevations near 8,000 ft, and a 38-hour cutoff.

Result: Andy Chrysler won the men's race in 21:26:35 and Moriah Carty won the women's race in 27:45:01.

Edition note: The 2026 edition has been run. The organizer's runner guide linked from the event page was last updated in August 2025.

Superior Fall Trail Race 100 Mile

Gooseberry Falls State Park to Lutsen, Minnesota, USA · Trail

A 102.9-mile point-to-point race on the Superior Hiking Trail, with technical singletrack, 17,350 ft of gain, and a 38-hour cutoff.

Result: Tyler Morley won the men's race in 19:54:13 and Jessie Diggins won the women's race in 25:09:46 in her 100-mile debut, as 151 of 256 starters finished.

Wasatch Front 100 Mile Endurance Run

Kaysville to Soldier Hollow, Utah, USA · Mountain

A 100-mile point-to-point crossing of Utah's Wasatch Range with roughly 24,000 ft of climbing, high mountain terrain, and a 36-hour limit.

Result: Kevin Stewart won the men's race in 20:41:09 and Sarah Ostaszewski won the women's race in 25:18:50, with 236 runners finishing inside the 36-hour cutoff.

Leadville Trail 100 Run

Leadville, Colorado, USA · Mountain

A high-altitude Colorado classic with a 99.7-mile out-and-back course, 15,492 ft of climbing, and a 30-hour limit.

Result: Adrian Macdonald won the Leadville Trail 100 Run in 15:47:23 for his third victory and McKendree Hickory won the women's race in 19:39:12, as 387 of 656 starters finished inside the 30-hour cutoff.

Edition note: The 2026 race was run after regional wildfire impacts; the organizer had confirmed it would go ahead.