Become a Founding Athlete
Interested in becoming a Founding Athlete?
Learn More
ENDURANCE
GRID
Sports
Races
Athlete Tools
About
Shop
All Races
›
Ultramarathon
›
Winter 2026
Ultramarathons Winter 2026
Endurance Grid lists 38 ultramarathons in winter 2026 across 16 states.
38
Races
16
States
Also happening
Ultramarathons Spring 2027
Ultramarathons Summer 2027
Ultramarathons Fall 2026
Races in Winter 2026 (US)
All ultramarathons
This Weekend (US)
This Week (US)
This Month (US)
Frequently Asked Questions
What ultramarathons are happening in winter 2026?
+
–
Endurance Grid's Race Calendar lists 38 upcoming ultramarathons in winter 2026 across 16 states in the US.
Which states have the most ultramarathons in winter 2026?
+
–
The states with the most ultramarathons in winter 2026 are
Florida
,
South Carolina
,
California
,
Texas
,
Colorado
, and
Louisiana
.
How current is this winter ultramarathons calendar?
+
–
This page refreshes every day and always shows the next winter, so the ultramarathons coming up never go stale.
Filter by
All states
All distances
Any price
All months
Showing 38 events
·
Date (soonest)
Nearby
▾
December 2026 Ultra Races
17 upcoming Ultra races in December.
Dec
5
Sat
Running
Trail Running
Ultra
Sawmill Trail Runs
12102 S Elk Creek Rd, Pine, CO
8 Mile · 50K
Avg 38° / 10°
·
8,109 ft city elevation
Avg 38° / 10°
8,109 ft city elevation
Dec
5
Sat
Running
Road Cycling
Ultra
Run the River Ultra
Virginia Capital Trail Start, Williamsburg, VA
Half Marathon · 50K · 50 Mile · 50–100 mi
Avg 55° / 36°
·
70 ft city elevation
Avg 55° / 36°
70 ft city elevation
Dec
5–6
Sat–Sun
Running
Ultra
Last Chance Ultra
6176 S State Hwy VV, Rogersville, MO
10 Mile · 50K · 50 Mile · 100K · 100 Mile
Avg 50° / 28°
·
1,424 ft city elevation
Avg 50° / 28°
1,424 ft city elevation
Dec
5–6
Sat–Sun
Running
Trail Running
Ultra
Crooked Creek Ultra Trail Race
Harry S. Frazier Scout Reservation, Shepherdsville, KY
Half Marathon · Marathon · 50 Mile · 100 Mile
Avg 51° / 32°
·
455 ft city elevation
Avg 51° / 32°
455 ft city elevation
Dec
5–6
Sat–Sun
Running
Ultra
One Epic Run
450 Croft State Park Rd, Spartanburg, SC
Avg 58° / 35°
·
773 ft city elevation
Avg 58° / 35°
773 ft city elevation
Dec
5–6
Sat–Sun
Running
Ultra
Perpetual Motion
Sunfish Loop @ Silver Lake Marina, Grapevine, TX
Avg 60° / 39°
·
638 ft city elevation
Avg 60° / 39°
638 ft city elevation
Dec
10–13
Thu–Sun
Running
Ultra
IronHike Amicalola Falls Fall Series 2026
418 Amicalola Falls State Park Road, Dawsonville, GA
50 Mile · Ultra
Avg 56° / 35°
·
1,313 ft city elevation
Avg 56° / 35°
1,313 ft city elevation
Dec
12
Sat
Running
Ultra
Emerald Coast Ultra
12301 Gulf Beach Highway, Pensacola, FL
50K · 50 Mile
Avg 66° / 46°
·
79 ft city elevation
Avg 66° / 46°
79 ft city elevation
Dec
12
Sat
Running
Trail Running
Ultra
Lost Souls - The Race That Finds You
608 Ridge Rd, Pittsburgh, PA
5K · 50K
Avg 44° / 27°
·
743 ft city elevation
Avg 44° / 27°
743 ft city elevation
Dec
12
Sat
Ultra
Running
GODSPEED 12
4343 Co Rd 69, Corpus Christi, TX
100 Mile
Avg 70° / 49°
·
38 ft city elevation
Avg 70° / 49°
38 ft city elevation
Dec
13
Sun
Running
Ultra
Mel Williams Memorial Seashore 50K
First Landing State Park Boat Ramp, Virginia Beach, VA
50K
Avg 55° / 36°
·
14 ft city elevation
Avg 55° / 36°
14 ft city elevation
Dec
13
Sun
Running
Trail Running
Ultra
Dragon Trails 50k & 10K
838 Old Pearsall Rd, San Antonio, TX
5K · 50K
Avg 65° / 41°
·
781 ft city elevation
Avg 65° / 41°
781 ft city elevation
Dec
19
Sat
Ultra
Running
Miami Backyard Ultra
3505 Rickenbacker Cswy, Key Biscayne, FL
Avg 79° / 66°
·
7 ft city elevation
Avg 79° / 66°
7 ft city elevation
Dec
19
Sat
Ultra
Running
Blackbeard's Bounty Endurance Race
4021 Upper Ridge Rd, Pennsburg, PA
Avg 42° / 24°
·
332 ft city elevation
Avg 42° / 24°
332 ft city elevation
Dec
19–20
Sat–Sun
Running
Ultra
The Longest Night (50mi - 50k - 26.2 - 13.1 - 10k)
220 Lakewood Drive, Greenville, SC
Avg 55° / 37°
·
927 ft city elevation
Avg 55° / 37°
927 ft city elevation
Dec
19–20
Sat–Sun
Running
Ultra
Hawaii Kai Ultra Run - Kalama Valley 2026
555 Kealahou St, Honolulu, HI
Half Marathon · Marathon · 50K · 50 Mile · 100K · 100 Mile
Avg 79° / 68°
·
199 ft city elevation
Avg 79° / 68°
199 ft city elevation
Dec
27
Sun
Running
Ultra
16th Annual Round the Bay Relay and Ultra
1335 Miracle Strip Pkwy SE, Fort Walton Beach, FL
Ultra
Avg 64° / 46°
·
0 ft city elevation
Avg 64° / 46°
0 ft city elevation
January 2027 Ultra Races
13 upcoming Ultra races in January.
Jan
2
Sat
Running
Ultra
Resolution Run/Walk
1000 Via Corso Avenue, Simpsonville, SC
Avg 53° / 30°
·
774 ft city elevation
Avg 53° / 30°
774 ft city elevation
Jan
2–3
Sat–Sun
Running
Trail Running
Ultra
Florida Outlaw Ultra
13275 SE 115th Ave, Ocklawaha, FL
50K · 100K · Ultra
Avg 71° / 46°
Avg 71° / 46°
Jan
9
Sat
Running
Ultra
Avalon Benefit 50 Mile/50K Run
Catalina Island, Avalon, CA
50K · 50 Mile
Avg 62° / 50°
·
643 ft city elevation
Avg 62° / 50°
643 ft city elevation
Jan
9
Sat
Running
Trail Running
Ultra
San Diego 50 & Trail Runs
18195 Bandy Canyon Rd, Escondido, CA
1 Mile · 5K · 8K / 5 Mile · 10 Mile · Half Marathon · Marathon · 50 Mile
Avg 69° / 45°
·
656 ft city elevation
Avg 69° / 45°
656 ft city elevation
Jan
9
Sat
Running
Trail Running
Ultra
Frozen Sasquatch Trail 50k/25k
7500 Kanawha State Forest Drive, Charleston, WV
50K
Avg 44° / 26°
·
600 ft city elevation
Avg 44° / 26°
600 ft city elevation
Jan
15–16
Fri–Sat
Running
Trail Running
Ultra
Southern Tour Ultra
11471 U.S. 17, Wilmington, NC
50K · 50 Mile · 100 Mile
Avg 56° / 36°
·
38 ft city elevation
Avg 56° / 36°
38 ft city elevation
Jan
16
Sat
Ultra
Running
Harbison 50k & 25k Trail Race
5600 Broad River Rd, Columbia, SC
50K
Avg 59° / 36°
·
290 ft city elevation
Avg 59° / 36°
290 ft city elevation
Jan
16–17
Sat–Sun
Ultra
Running
Whitewalker Ultra 100k
Emma Carlin Trailhead County HWY Z, Palmyra, WI
50K · 100K
Avg 27° / 11°
Avg 27° / 11°
Jan
17
Sun
Running
Trail Running
Ultra
Big Bend Ultra
21800 FM170, Terlingua, TX
10K · 100K
Avg 67° / 36°
·
2,508 ft city elevation
Avg 67° / 36°
2,508 ft city elevation
Jan
23
Sat
Running
Ultra
The Snowbird Challenge (13.1 - 26.2 - 50k & Relay)
2959 New Easley Hwy, Greenville, SC
8K / 5 Mile · Half Marathon · 50K
Avg 54° / 35°
·
927 ft city elevation
Avg 54° / 35°
927 ft city elevation
Jan
23–24
Sat–Sun
Running
Ultra
DeBary 50K, Marathon, Half, 10K & 5K – MileBuilt Gemini Springs 2-Day Challenge
37 Dirksen Drive, DeBary, FL
5K · 10K · Half Marathon · Marathon · 50K
Avg 70° / 49°
·
67 ft city elevation
Avg 70° / 49°
67 ft city elevation
Jan
23–24
Sat–Sun
Running
Trail Running
Ultra
Krewe de Loops 36
1245 Old Plain Dealing Road, Benton, LA
5K
Avg 56° / 35°
·
189 ft city elevation
Avg 56° / 35°
189 ft city elevation
Jan
30–31
Sat–Sun
Running
Ultra
Pleasant Ridge Backyard Ultra
4232 Highway 11, Marietta, SC
Avg 45° / 28°
·
1,081 ft city elevation
Avg 45° / 28°
1,081 ft city elevation
February 2027 Ultra Races
8 upcoming Ultra races in February.
Feb
6
Sat
Running
Trail Running
Ultra
Dalton Canyon Ultra
2041 Big Dalton Canyon Trail, Glendora, CA
10K · 50K
Avg 67° / 44°
·
892 ft city elevation
Avg 67° / 44°
892 ft city elevation
Feb
6–7
Sat–Sun
Running
Trail Running
Ultra
Stories Trail Runs
410 JL Ranch Heights Rd, Colorado Springs, CO
Half Marathon
Avg 45° / 19°
·
6,118 ft city elevation
Avg 45° / 19°
6,118 ft city elevation
Feb
13
Sat
Running
Ultra
Camino Real Double
2 Orchard Rd., Lake Forest, CA
Ultra
Avg 69° / 44°
·
514 ft city elevation
Avg 69° / 44°
514 ft city elevation
Feb
13
Sat
Running
Ultra
Death By a Mile
107 Sutherland Rd, Lake Charles, LA
Avg 66° / 44°
·
10 ft city elevation
Avg 66° / 44°
10 ft city elevation
Feb
13–14
Sat–Sun
Running
Ultra
Death by 5k Coldwater Creek
8974 Tomahawk Landing Rd, Milton, FL
50K
Avg 68° / 45°
·
149 ft city elevation
Avg 68° / 45°
149 ft city elevation
Feb
20–21
Sat–Sun
Running
Trail Running
Ultra
Sandhills Trail Race Series (30 Hour - 50k - 25k - 7.5 Mile)
9564 Two Notch Rd, Columbia, SC
50K · 100 Mile
Avg 65° / 41°
·
290 ft city elevation
Avg 65° / 41°
290 ft city elevation
Feb
20–21
Sat–Sun
Running
Ultra
Winter Park 50K, Marathon, Half, 10K & 5K – MileBuilt Cady Way Bridge 2-Day Challenge
2535 Cady Way, Winter Park, FL
5K · 10K · Half Marathon · Marathon · 50K
Avg 75° / 55°
·
88 ft city elevation
Avg 75° / 55°
88 ft city elevation
Feb
26–28
Fri–Sun
Running
Ultra
Grandmaster Ultras 2027
501 Hillside Dr, Mesquite, NV
50K · 50 Mile · 100K · 100 Mile
Avg 68° / 37°
·
1,622 ft city elevation
Avg 68° / 37°
1,622 ft city elevation