Ultramarathons in North America
73 ultramarathons in North America.
The next one is the Javelina Jundred 100 Mile on 31 October 2026.
The flattest is the Cowtown Ultra Marathon (270 m of climbing); the hilliest is the Cocodona 250 (11,870 m).
For cool racing conditions, the Cowtown Ultra Marathon usually starts around 9°C.
Javelina Jundred 100 Mile
Fountain Hills, United States
31 Oct 2026In 6 days
Gain
1,920 m
Start temp
14°C
Entry
$525
Top 10, men 40–49: No data
161 kmTrailOpen entrydesert
Javelina Jundred 100K
Fountain Hills, United States
31 Oct 2026In 6 days
Gain
1,205 m
Start temp
14°C
Entry
$375
Top 10, men 40–49: No data
100 kmTrailOpen entrydesert
Pinhoti 100
Heflin, United States
7 Nov 2026In 13 days
Gain
4,270 m
Start temp
12°C
Entry
$350
Top 10, men 40–49: No data
161.5 kmTrailOpen entryhilly
UTMB
Pacific Trails California 50K
Santa Ynez, United States
14 Nov 2026In 20 days
Gain
1,550 m
Start temp
12°C
Entry
$170
Top 10, men 40–49: No data
51 kmTrailOpen entryscenic
Tunnel Hill 100
Vienna, United States
14 Nov 2026In 20 days
Gain
300 m
Start temp
4°C
Entry
$350
Top 10, men 40–49: No data
160.9 kmTrailOpen entrysmall field
JFK 50 Mile
Boonsboro, United States
21 Nov 2026In 27 days
Gain
600 m
Start temp
2°C
Entry
$250
Top 10, men 40–49: No data
80.8 kmMixed road & trailOpen entryhistoric
Bandera 100K
Bandera, United States
9 Jan 2027In 3 months
Gain
1,950 m
Start temp
7°C
Entry
$245
Top 10, men 40–49: No data
100 kmTrailOpen entryhilly
HURT 100
Honolulu, United States
16 Jan 2027In 3 months
Gain
7,470 m
Start temp
19°C
Entry
$425
Top 10, men 40–49: No data
160.9 kmTrailLotteryhilly
St. Croix Scenic 50
Cane Bay, U.S. Virgin Islands
17 Jan 2027In 3 months
Gain
1,020 m
Start temp
24°C
Entry
$145
Top 10, men 40–49: No data
50 kmTrailOpen entryscenic
Sean O'Brien 100K
Calabasas, United States
30 Jan 2027In 3 months
Gain
4,017 m
Start temp
11°C
Entry
$300
Top 10, men 40–49: No data
99.3 kmTrailOpen entryhilly
Rocky Raccoon 100
Huntsville, United States
6 Feb 2027In 3 months
Gain
1,900 m
Start temp
10°C
Entry
$310
Top 10, men 40–49: No data
161 kmTrailOpen entrysmall field
UTMB
Black Canyon 100K
Mayer, United States
13 Feb 2027In 4 months
Gain
1,590 m
Start temp
1°C
Entry
$365
Top 10, men 40–49: No data
100 kmTrailOpen entrydesert
UTMB
Black Canyon 50K
Mayer, United States
14 Feb 2027In 4 months
Gain
610 m
Start temp
1°C
Entry
$265
Top 10, men 40–49: No data
51.8 kmTrailOpen entrydesert
Cowtown Ultra Marathon
Fort Worth, United States
28 Feb 2027In 4 months
Gain
270 m
Start temp
9°C
Entry
$140
Top 10, men 40–49: No data
50 kmOpen entrysmall field
UTMB
Puerto Vallarta by UTMB Nakawe 53K
Puerto Vallarta, Mexico
5 Mar 2027In 4 months
Gain
2,500 m
Start temp
18°C
Entry
$220
Top 10, men 40–49: No data
53 kmTrailOpen entryhilly
UTMB
Puerto Vallarta by UTMB Hikuri 81K
Puerto Vallarta, Mexico
5 Mar 2027In 4 months
Gain
3,900 m
Start temp
19°C
Entry
$300
Top 10, men 40–49: No data
81 kmTrailOpen entryhilly
Antelope Canyon 55K
Page, United States
6 Mar 2027In 4 months
Gain
1,040 m
Start temp
4°C
Entry
$255
Top 10, men 40–49: No data
55 kmTrailOpen entrydesert
Antelope Canyon 50 Mile
Page, United States
6 Mar 2027In 4 months
Gain
1,530 m
Start temp
4°C
Entry
$310
Top 10, men 40–49: No data
83.2 kmTrailOpen entrydesert
Way Too Cool 50K
Cool, United States
6 Mar 2027In 4 months
Gain
1,400 m
Start temp
5°C
Entry
$215
Top 10, men 40–49: No data
50 kmTrailOpen entryscenic
Chuckanut 50K
Bellingham, United States
20 Mar 2027In 5 months
Gain
1,525 m
Start temp
5°C
Entry
—
Top 10, men 40–49: No data
50 kmTrailOpen entryhilly
Georgia Death Race
Blairsville, United States
27 Mar 2027In 5 months
Gain
4,875 m
Start temp
9°C
Entry
$265
Top 10, men 40–49: No data
119 kmTrailOpen entryhilly
American River 50 Mile
Folsom, United States
3 Apr 2027In 5 months
Gain
1,675 m
Start temp
8°C
Entry
$340
Top 10, men 40–49: No data
80.5 kmMixed road & trailOpen entryhistoric
Umstead 100
Raleigh, United States
3 Apr 2027In 5 months
Gain
2,210 m
Start temp
11°C
Entry
$225
Top 10, men 40–49: No data
160.9 kmTrailOpen entryhistoric
UTMB
Desert Rats 100K
Fruita, United States
10 Apr 2027In 5 months
Gain
2,050 m
Start temp
5°C
Entry
$325
Top 10, men 40–49: No data
100 kmTrailOpen entrydesert
UTMB
Desert Rats 50K
Fruita, United States
10 Apr 2027In 5 months
Gain
1,050 m
Start temp
4°C
Entry
$205
Top 10, men 40–49: No data
48 kmTrailOpen entrydesert
UTMB
Canyons 100 Mile
Foresthill, United States
23 Apr 2027In 6 months
Gain
5,550 m
Start temp
16°C
Entry
$515
Top 10, men 40–49: No data
161 kmTrailOpen entryhilly
UTMB
Canyons 100K
Foresthill, United States
24 Apr 2027In 6 months
Gain
3,750 m
Start temp
5°C
Entry
$395
Top 10, men 40–49: No data
100 kmTrailOpen entryhilly
UTMB
Canyons 50K
Auburn, United States
24 Apr 2027In 6 months
Gain
1,700 m
Start temp
10°C
Entry
$280
Top 10, men 40–49: No data
50 kmTrailOpen entryhilly
Miwok 100K
Stinson Beach, United States
1 May 2027In 6 months
Gain
3,505 m
Start temp
10°C
Entry
$310
Top 10, men 40–49: No data
100 kmTrailOpen entryscenic
Cocodona 250
Black Canyon City, United States
2 May 2027In 6 months
Gain
11,870 m
Start temp
17°C
Entry
$2,045
Top 10, men 40–49: No data
408 kmTrailOpen entrydesert
Ice Age Trail 50
La Grange, United States
8 May 2027In 6 months
Gain
1,600 m
Start temp
7°C
Entry
—
Top 10, men 40–49: No data
80.5 kmTrailOpen entryhistoric
Cruel Jewel 100
Blue Ridge, United States
14 May 2027In 7 months
Gain
10,060 m
Start temp
21°C
Entry
$405
Top 10, men 40–49: No data
166.6 kmTrailOpen entryhilly
Massanutten Mountain Trails 100
Fort Valley, United States
15 May 2027In 7 months
Gain
5,640 m
Start temp
12°C
Entry
$250
Top 10, men 40–49: No data
161 kmTrailOpen entryhilly
UTMB
Rothrock 50K
Boalsburg, United States
15 May 2027In 7 months
Gain
1,550 m
Start temp
12°C
Entry
$245
Top 10, men 40–49: No data
53.3 kmTrailOpen entryhilly
UTMB
Ultra Trail Chattanooga 100K
Chattanooga, United States
5 Jun 2027In 7 months
Gain
2,435 m
Start temp
19°C
Entry
$445
Top 10, men 40–49: No data
100 kmTrailOpen entryhilly
UTMB
Ultra Trail Chattanooga 50K
Chattanooga, United States
5 Jun 2027In 7 months
Gain
1,165 m
Start temp
19°C
Entry
$300
Top 10, men 40–49: No data
50.5 kmTrailOpen entryhilly
Bighorn 100
Dayton, United States
18 Jun 2027est.In 8 months
Gain
6,250 m
Start temp
16°C
Entry
$475
Top 10, men 40–49: No data
161 kmTrailOpen entryhilly
Black Hills 100
Sturgis, United States
25 Jun 2027In 8 months
Gain
5,114 m
Start temp
22°C
Entry
$400
Top 10, men 40–49: No data
174 kmTrailOpen entryhilly
Western States 100
Olympic Valley, United States
26 Jun 2027In 8 months
Gain
5,490 m
Start temp
9°C
Entry
$575
Top 10, men 40–49: 20:14 (7:33/km)
161 kmTrailLottery + qualifyinghistoric
UTMB
Ultra Trail Whistler 100K
Whistler, Canada
26 Jun 2027In 8 months
Gain
5,100 m
Start temp
11°C
Entry
$305
Top 10, men 40–49: No data
100 kmTrailOpen entryhilly
UTMB
Ultra Trail Whistler 50K
Whistler, Canada
26 Jun 2027In 8 months
Gain
2,940 m
Start temp
11°C
Entry
$210
Top 10, men 40–49: No data
50 kmTrailOpen entryhilly
Hardrock 100
Silverton, United States
9 Jul 2027In 8 months
Gain
10,190 m
Start temp
7°C
Entry
$450
Top 10, men 40–49: No data
163.8 kmTrailLottery + qualifyingaltitude
Silver Rush 50 Run
Leadville, United States
10 Jul 2027In 8 months
Gain
2,440 m
Start temp
5°C
Entry
$160
Top 10, men 40–49: No data
80.5 kmTrailOpen entryaltitude
Sinister 7 Ultra 100 Mile
Blairmore, Canada
10 Jul 2027In 8 months
Gain
6,690 m
Start temp
13°C
Entry
$330
Top 10, men 40–49: No data
161 kmTrailOpen entryhilly
Sinister 7 50K
Blairmore, Canada
10 Jul 2027In 8 months
Gain
2,400 m
Start temp
13°C
Entry
$150
Top 10, men 40–49: No data
53.6 kmTrailOpen entryhilly
Cascade Crest 100
Easton, United States
16 Jul 2027In 9 months
Gain
7,000 m
Start temp
18°C
Entry
$350
Top 10, men 40–49: No data
160.9 kmTrailLotteryscenic
Vermont 100 Endurance Race
West Windsor, United States
17 Jul 2027In 9 months
Gain
5,180 m
Start temp
17°C
Entry
$425
Top 10, men 40–49: No data
161 kmMixed road & trailLotteryhistoric
Badwater 135
Death Valley, United States
19 Jul 2027In 9 months
Gain
4,450 m
Start temp
41°C
Entry
$1,695
Top 10, men 40–49: No data
217 kmQualifying timedeserthilly
UTMB
Speedgoat 50K
Snowbird, United States
24 Jul 2027In 9 months
Gain
3,450 m
Start temp
16°C
Entry
$175
Top 10, men 40–49: No data
50 kmTrailOpen entryaltitude
Canadian Death Race
Grande Cache, Canada
31 Jul 2027In 9 months
Gain
5,180 m
Start temp
11°C
Entry
$300
Top 10, men 40–49: No data
118 kmTrailOpen entryhilly
UTMB
Borealys Mont-Tremblant Odyssee 100K
Mont-Tremblant, Canada
14 Aug 2027est.In 10 months
Gain
3,600 m
Start temp
15°C
Entry
$250
Top 10, men 40–49: No data
81 kmTrailOpen entryhilly
Squamish 50 Mile
Squamish, Canada
14 Aug 2027In 10 months
Gain
3,500 m
Start temp
16°C
Entry
$210
Top 10, men 40–49: No data
79.5 kmTrailOpen entryhilly
UTMB
Borealys Mont-Tremblant Tremblante 50K
Mont-Tremblant, Canada
15 Aug 2027est.In 10 months
Gain
2,400 m
Start temp
16°C
Entry
$170
Top 10, men 40–49: No data
46.4 kmTrailOpen entryhilly
Squamish 50K
Squamish, Canada
15 Aug 2027In 10 months
Gain
2,500 m
Start temp
15°C
Entry
$195
Top 10, men 40–49: No data
52 kmTrailOpen entryhilly
Leadville Trail 100 Run
Leadville, United States
21 Aug 2027In 10 months
Gain
4,070 m
Start temp
5°C
Entry
$495
Top 10, men 40–49: No data
160.4 kmTrailLottery + qualifyingaltitude
Ultra-Trail Harricana 125K
La Malbaie, Canada
10 Sept 2027In 11 months
Gain
4,030 m
Start temp
18°C
Entry
$250
Top 10, men 40–49: No data
124.1 kmTrailOpen entryhilly
Superior 100
Two Harbors, United States
10 Sept 2027est.In 11 months
Gain
5,290 m
Start temp
14°C
Entry
$335
Top 10, men 40–49: No data
165.6 kmTrailLotteryscenic
Wasatch Front 100
Kaysville, United States
10 Sept 2027est.In 11 months
Gain
7,315 m
Start temp
16°C
Entry
$325
Top 10, men 40–49: No data
161 kmTrailLotteryaltitude
Ultra-Trail Harricana 65K
La Malbaie, Canada
11 Sept 2027In 11 months
Gain
1,740 m
Start temp
13°C
Entry
$165
Top 10, men 40–49: No data
63.1 kmTrailOpen entryscenic
Mogollon Monster 100
Payson, United States
11 Sept 2027In 11 months
Gain
4,846 m
Start temp
12°C
Entry
$355
Top 10, men 40–49: No data
162.4 kmTrailOpen entryaltitude
Run Rabbit Run 100
Steamboat Springs, United States
17 Sept 2027In 11 months
Gain
6,700 m
Start temp
14°C
Entry
$475
Top 10, men 40–49: No data
161 kmTrailOpen entryaltitude
UTMB
Snowbasin by UTMB 58K
Huntsville, United States
18 Sept 2027In 11 months
Gain
1,800 m
Start temp
6°C
Entry
$250
Top 10, men 40–49: No data
59 kmTrailOpen entryscenic
Bear 100
Logan, United States
24 Sept 2027In 11 months
Gain
6,195 m
Start temp
7°C
Entry
$350
Top 10, men 40–49: No data
161 kmTrailLottery + qualifyinghilly
UTMB
Grindstone 100
Swoope, United States
24 Sept 2027In 11 months
Gain
6,400 m
Start temp
22°C
Entry
$400
Top 10, men 40–49: No data
167.4 kmTrailOpen entryhilly
UTMB
Grindstone 100K
Swoope, United States
25 Sept 2027In 11 months
Gain
3,350 m
Start temp
15°C
Entry
$300
Top 10, men 40–49: No data
100 kmTrailOpen entryhilly
UTMB
Chihuahua by UTMB Raramuri 118K
Cerocahui, Mexico
1 Oct 2027est.In 11 months
Gain
5,600 m
Start temp
13°C
Entry
$300
Top 10, men 40–49: No data
118 kmTrailOpen entryhilly
UTMB
Chihuahua by UTMB Akaa 58K
Divisadero, Mexico
1 Oct 2027est.In 11 months
Gain
2,500 m
Start temp
10°C
Entry
$200
Top 10, men 40–49: No data
58 kmTrailOpen entryhilly
UTMB
Kodiak 100 Mile
Big Bear Lake, United States
8 Oct 2027est.In 11 months
Gain
4,875 m
Start temp
19°C
Entry
$450
Top 10, men 40–49: No data
161 kmTrailOpen entryaltitude
UTMB
Kodiak 100K
Big Bear Lake, United States
9 Oct 2027est.In 11 months
Gain
3,145 m
Start temp
8°C
Entry
$350
Top 10, men 40–49: No data
101.1 kmTrailOpen entryaltitude
Bobcat Trail 50K
Colorado Springs, United States
16 Oct 2027est.In 12 months
Gain
1,095 m
Start temp
3°C
Entry
$165
Top 10, men 40–49: No data
49.9 kmTrailOpen entrysmall field
Cave Creek Thriller 50K
Peoria, United States
16 Oct 2027est.In 12 months
Gain
855 m
Start temp
18°C
Entry
$165
Top 10, men 40–49: No data
50.2 kmTrailOpen entrydesert
Lake Sonoma 100 Mile
Geyserville, United States
16 Oct 2027est.In 12 months
Gain
7,640 m
Start temp
12°C
Entry
$435
Top 10, men 40–49: No data
161.7 kmTrailOpen entryhilly
Lake Sonoma 50
Geyserville, United States
16 Oct 2027est.In 12 months
Gain
3,235 m
Start temp
12°C
Entry
$235
Top 10, men 40–49: No data
82.9 kmTrailOpen entryhilly