UltraSignupNews

UltraSignup News

November 30th, 2025

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5 min read

Ready for the best holiday season of all? Registration Season. 🎁

December is about to drop a ton of new 2026 races — and some of these will go faster than hot cocoa at an aid station on a cold morning.

December 1 kicks off a whole month of “OMG that race is finally open!” moments. So if you’ve been itching to plan next year’s adventures, lace up that trackpad finger… because December is coming in hot. 🔥

Below you’ll see a few of the races that are opening registration tomorrow, those that are opening throughout the month of December, and others that recently opened.

Opening December 1

Photo above: Mt. Spo Skimo

Kettle Moraine LOTTERY | register | 6/13/26 | LaGrange, WI | 100 Mile, 100 Mile Relay, 100K, 38 Miler, 50K
Walk in the Park | register | 9/6/26 | Kamloops, BC | 14K, 25K, 50K, 8K
Wasatch 100 | register | 9/11/26 | Kaysville, UT | 100 Miler
Terrapin Mountain | register | 3/21/26 | Sedalia, VA | 50K, Half-marathon
Iron Legs Mountain Races | register | 8/8/26 | Calgary, AB | 100K, 25K, 50 Mile Relay 2 person, 50 Mile Relay 3 person, 50 Mile Solo, 60K
Hawk Hundred | register | 9/12/26 | Lawrence, KS |
Big Butts | register | 7/18/26 | Jackson, MS | 100K, 100K Relay, 25K, 50K
Grasshopper Peak Redwoods Run | register | 6/6/26 | Weott, CA | 10.5 Miler, 30K
Dead Horse Ultra | register | 11/14/26 | Moab, UT | 15K, 30K, 50 Miler, 50K
Bobcat Trail Races | register | 10/17/26 | Colorado Springs, CO | 10K, 25K, 50K, 5K
Iron Furnace Trail Run | register | 4/4/26 | McArthur, OH | 1/2 Marathon, 5 Mile
Thunderbunny Trail Races | register | 5/9/26 | Athens, OH | 11K, 25K, 50K
Gate2Gate Trail Run | register | 10/24/26 | Alachua, FL | 50K
Continental Divide Trail Run | register | 8/29/26 | Steamboat Springs, CO | 16 Miler, 5 Miler, 50K
Soup-In-The-Snow | register | 2/7/26 | Irwin, ID | 8.6 Miler
The Stuffed Turkey Endurance Races | register | 11/21/26 | Granger, IA | 10 Miler, 100 Miler, 50 Miler, 50K
White Pine 50 Backcountry Run | register | 8/15/26 | Garden City, UT | 50 Miler
Kessel Run Ultra | register | 11/7/26 | Fruita, CO | 10 Miler, 20 Miler, 40 Miler, 50 Miler, 50K
Sri Chinmoy 24 & 12-Hour, Midnight Marathon | register | 6/13/26 | Congers, NY | 12HR, 24HR, Midnight Mar., Sunset Half-Marathon
Survivorfest Running Event | register | 6/12/26 | Sherwood Park, AB | 12HR-A, 12HR-B, 12HR-B Relay, 1600M (Ages 9-12), 2000M (Ages 13-17), 24HR-A, 24HR-B, 24HR-B Relay, 400M (Ages 4-8), 6HR-A 10AM, 6HR-A 2AM, 6HR-A 6PM, 6HR-B 10AM, 6HR-B 2AM, 6HR-B 6PM, 6HR-B Relay 10AM, 6HR-B Relay 6PM
Great Shasta Rail Trail | register | 7/25/26 | McCloud, CA | 10K, 30K, 50K
Miola Madness – Spring Into Daylight Savings | register | 3/14/26 | Paola, KS | 3hrs
Last Buckeye Standing Backyard Ultra | register | 8/8/26 | Lewis Center, OH | Last Buckeye Standing
Barn Creek Backyard Ultra | register | 11/6/26 | Jamestown, TN | Last Man Standing
Two Prairies Ultra | register | 3/14/26 | Fort McCoy, FL | 30K, 50K
Blue Ducky 5K Waddle | register | 5/16/26 | Springfield, LA | 5K, Virtual 5K
Safe Animal Shelter Fundraiser Trail Run | register | 4/12/26 | Middleburg, FL | Big Dog 1/2 Marathon, Kitten 5K, Little Pup 10K
Diablito 50/50 | register | 7/25/26 | Springfield, LA | 50 Miler, 50K
Goat Rattler 100 | register | 9/18/26 | North Ogden, UT | GR100
Heat Wave 6/12/24 | register | 6/12/26 | Rose Hill, KS | 12 Hours, 12 Hours – Night, 24 Hours, 6 Hours, 6 Hours – Night
Mt. Spo Skimo | register | 3/15/26 | Spokane, WA |
Andreas Ford Test Race | register | 6/12/26 | |
Griffith Park Trail Marathon | register | 3/28/26 | Los Angeles, CA | 1/2 Marathon, 10K, 30K, 50K, Marathon
Oregon Cascades 100 | register | 7/25/26 | Sisters, OR | 100 Miler, 50 Mile, Pacer
Malibu Canyon Trail Races | register | 6/6/26 | Malibu, CA | 100K, 30K, 50 Mile, 50K, Half Marathon
Hood Hundred | register | 8/1/26 | Mt. Hood, OR | 100 Miler
Wy’east Wonder | register | 6/27/26 | Parkdale, OR | 50 Miler, 50K
Wood You Rather | register | 5/16/26 | Portland, OR | 3 Person Team, 4 Person Team, 5 Person Team, 6 Person Team, 8 Miler
Firelane Trail Trial | register | 5/2/26 | Portland, OR | Time Trial
Yeti Ultra Trail Washington | register | 6/26/26 | Hyak, WA | 100 Miler, 100K
Rim to River 100 | register | 10/24/26 | New River Gorge, WV | 100 Miler
Prairie Chaos Backyard Ultra | register | 8/15/26 | Winnipeg, MB | Prairie Chaos Backyard Ultra

Opening Throughout December

Run for Kids Challenge | register | 5/9/26 | Pelham, AL | 10K, 12hrs
Tranquility Trail Run | register | 3/7/26 | Pelham, AL | 3 Miler, 6 Miler
Memorial Day Trail Run | register | 5/23/26 | Pelham, AL | 12 Miler, 6 Miler
Hotter N’ Hell Trail Run | register | 7/25/26 | Pelham, AL | 18 Miler, 9 Miler
Full Southeastern Trail Series – Long Series and Short Series | register | 3/7/26 | Pellham, AL | Long Races, Short Races
Ridge to Blazing Ridge Trail Race | register | 8/22/26 | Pelham, AL | 10 Miler, 20 Miler
Spaulding Woods 50K | register | 7/11/26 | Northfield, NH | 50K
Will Rogers 24 Hour/12 Hours/6 Hour | register | 2/28/26 | Pacific Palisades, CA | 100 Mile, 10k, 12 Hour, 12 hour relay, 24 Hour, 24 hour relay, 30k, 50k, 6 hour, Half Marathon
Sugg Farm Ultra | register | 9/12/26 | Holly Springs, NC | 20 Miler, 40 Miler, 50 Miler, Pacer
Boulder Beast | register | 9/19/26 | Lock Haven, PA | 24 Miler, 25K
Fire on the Rocks 10K | register | 3/14/26 | McElhattan, PA | 10K
Climb It For Climate | register | 8/16/26 | Highmount, NY | 25K, 8K
Hyner Half | register | 8/22/26 | North Bend, PA | 14 Miler, 7K
Slate Run Trail Race | register | 6/6/26 | Slate Run, PA | 25K, Slate Run Half
The View Trail Race | register | 11/7/26 | North Bend, PA | 15K, 25K
Call of the Wilds Mountain Fest | register | 10/24/26 | Waterville, PA | 10K, 25K, 50K
Sproul 10k | register | 6/20/26 | North Bend, PA | 10K, Sproul 5K
Western States Training Camp – Memorial Weekend | register | 5/23/26 | Foresthill, CA | Monday, Saturday, Sunday
Womp Romp | register | 10/24/26 | Hingham, MA | 10 Miler, 50K
Little Pine 5 Miler | register | 10/25/26 | Waterville, PA | 5 Miler, 5 Miler–14 and Under
Notchview Ultra | register | 7/10/26 | Windsor, MA | 100.7 Miles, 12hrs, 24hrs, 48hrs, 6hrs, 72Hrs
Morgan Hill Trail Races | register | 9/19/26 | Fabius, NY | Half Marathon, Half Marathon Hike, Marathon
Nelson’s Summit 50/50 | register | 10/24/26 | Salamanca, NY | 25km, 50 Miler, 50km
Hill to Hollow 100km | register | 9/19/26 | Tully, NY | 100km Relay, 100km Solo
Trail Golf Endurance Challenge | register | 6/27/26 | Valparaiso, IN | —
Silver State | register | 5/16/26 | Reno, NV | 1/2 Marathon, 50 Miler, 50K