Ultramarathon race ratings

51 trail and road ultras, 27 of them 100 milers, scored out of 5 on the race, support, course, conditions, cutoffs and travel. 5 is always the better end.

Footing, climbing and loop or point to point are shown as course traits, not scored, because runners want different things. Filter by them to find your kind of race. Cutoffs and distances come from each race's official site, with the edition we checked on every page. How we rate ultras

401 race reports and reviews behind the scores

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Distance

Course shape

Climbing

Flat under 40 ft per mi (7.6 m per km). Rolling 40 to 115 ft per mi (7.6 to 22 m per km). Hilly 115 to 200 ft per mi (22 to 38 m per km). Mountain over 200 ft per mi (38 m per km)

Footing

Region

Month

Entry

51 races

100 mi
Umstead 100 Mile Endurance Run
Raleigh, NC · April
Overall score 4.7
Excellent
Top 1%
#1 of 51
Based on 8 reviews
- Looped eastern 100
- Good first 100
Distance
100 mi (161 km), Loop course
Climbing
Rolling, 80 ft/mi (15 m/km)
Footing
Smooth
Cutoff
30 hours
Next race
3 Apr 2027
30 hours
Ghost Train Rail Trail Race, 30-Hour Ultramarathon (100 mi mark)
Brookline, NH · October
Overall score 4.6
Excellent
Top 3%
#2 of 51
Based on 10 reviews
- Generous cutoffs
- Lapped course
Distance
30 hours, Timed loop
Footing
Mostly smooth
Cutoff
30 hours
Next race
17 Oct 2026
100 mi
Western States Endurance Run 100 Mile
Olympic Valley, CA · June
Overall score 4.6
Excellent
Top 5%
#3 of 51
Based on 8 reviews
Distance
100.2 mi (161 km), Point to point
Climbing
Hilly, 181 ft/mi (34 m/km)
Footing
Moderate
Cutoff
30 hours
Next race
26 Jun 2027
100 mi
Rocky Raccoon 100 Endurance Trail Race
Huntsville, TX · February
Overall score 4.5
Excellent
Top 7%
#4 of 51
Based on 9 reviews
- Good first 100
- Generous cutoffs
Distance
100 mi (161 km), Loop course
Climbing
Rolling, 62 ft/mi (12 m/km)
Footing
Mostly smooth
Cutoff
32 hours
Next race
6 Feb 2027
100K
Bandera 100K (Bandera Endurance Trail Race)
Bandera, TX · January
Overall score 4.2
Very good
Top 9%
#5 of 51
Based on 9 reviews
- Generous cutoffs
- Lapped course
Distance
100 km (62.3 mi), Loop course
Climbing
Rolling, 106 ft/mi (20 m/km)
Footing
Technical
Cutoff
25 hours
Next race
9 Jan 2027
86 km Up
Comrades Marathon
Pietermaritzburg / Durban, South Africa · June
Overall score 4.2
Very good
Top 11%
#6 of 51
Based on 9 reviews
- Smooth footing
Distance
85.8 km (53.3 mi), Point to point
Footing
Smooth
Cutoff
12 hours
Next race
13 Jun 2027
100K
Black Canyon 100K
Mayer, AZ · February
Overall score 4.0
Very good
Top 13%
#7 of 51
Based on 8 reviews
- Generous cutoffs
- Open entry
Distance
100 km (62.2 mi), Point to point
Climbing
Rolling, 84 ft/mi (16 m/km)
Footing
Moderate
Cutoff
20 hours
Next race
13 Feb 2027
NC
Rockingham · September
24 hours
Hinson Lake 24 Hour Ultra Classic
Rockingham, NC · September
Overall score 4.0
Very good
Top 15%
#8 of 51
Provisional: based on 3 reviews
- Generous cutoffs
- Lapped course
Distance
24 hours, Timed loop
Footing
Mostly smooth
Cutoff
24 hours
Next race
25 Sep 2027
100 mi
Pinhoti 100
Heflin to Sylacauga, AL · November
Overall score 3.9
Very good
Top 17%
#9 of 51
Based on 10 reviews
Distance
100.4 mi (162 km), Point to point
Climbing
Hilly, 139 ft/mi (26 m/km)
Footing
Moderate
Cutoff
32 hours
Next race
7 Nov 2026
100 mi
Indiana Trail 100 Mile
Albion, IN · October
Overall score 3.9
Very good
Top 19%
#10 of 51
Based on 9 reviews
- Good first 100
- Generous cutoffs
Distance
100 mi (161 km), Loop course
Climbing
Rolling, 60 ft/mi (11 m/km)
Footing
Mostly smooth
Cutoff
30 hours
Last race
10 Oct 2026
Backyard
Big's Backyard Ultra (Big Dog's Backyard Ultra World Championship)
Bell Buckle, TN · October
Overall score 3.9
Very good
Top 21%
#11 of 51
Based on 9 reviews
- Lapped course
Distance
Backyard, Backyard format
Footing
Moderate
Next race
17 Oct 2026
250 mi
Cocodona 250
Black Canyon City to Flagstaff, AZ · May
Overall score 3.8
Very good
Top 23%
#12 of 51
Based on 8 reviews
Distance
253.5 mi (408 km), Point to point
Climbing
Hilly, 154 ft/mi (29 m/km)
Footing
Moderate
Cutoff
125 hours
Next race
2 May 2027
100 mi
Cascade Crest 100 Mile Endurance Run
Easton, WA · July
Overall score 3.7
Very good
Top 25%
#13 of 51
Based on 7 reviews
- Mountain race
Distance
100 mi (161 km), One big loop
Climbing
Mountain, 230 ft/mi (44 m/km)
Footing
Moderate
Cutoff
34 hours
Next race
16 Jul 2027
100 mi
Hardrock 100 Endurance Run
Silverton, CO · July
Overall score 3.7
Very good
Top 26%
#14 of 51
Based on 7 reviews
- Mountain race
Distance
101.8 mi (164 km), One big loop
Climbing
Mountain, 328 ft/mi (62 m/km)
Footing
Very technical
Cutoff
48 hours
Next race
9 Jul 2027
100 mi
Superior 100 Mile (Superior Fall Trail Race)
Two Harbors (start) to Lutsen (finish), MN · September
Overall score 3.7
Very good
Top 26%
#15 of 51
Based on 9 reviews
Distance
103 mi (166 km), Point to point
Climbing
Hilly, 168 ft/mi (32 m/km)
Footing
Technical
Cutoff
38 hours
Next race
10 Sep 2027
50 mi
Bull Run Run 50 Mile
Clifton, VA · April
Overall score 3.7
Very good
Top 30%
#16 of 51
Based on 8 reviews
Distance
50.2 mi (80.8 km), Out and back
Climbing
Rolling, 105 ft/mi (20 m/km)
Footing
Moderate
Cutoff
13 hours
Next race
3 Apr 2027
100 mi
Javelina Jundred 100 Mile
Fountain Hills, AZ · October
Overall score 3.6
Very good
Top 32%
#17 of 51
Based on 8 reviews
- Good first 100
- Generous cutoffs
Distance
100 mi (161 km), Loop course
Climbing
Rolling, 63 ft/mi (12 m/km)
Footing
Moderate
Cutoff
30 hours
Next race
31 Oct 2026
100 mi
Vermont 100 Endurance Race
West Windsor, VT · July
Overall score 3.5
Very good
Top 34%
#18 of 51
Based on 8 reviews
- Smooth footing
Distance
100 mi (161 km), One big loop
Climbing
Hilly, 170 ft/mi (32 m/km)
Footing
Mostly smooth
Cutoff
30 hours
Next race
17 Jul 2027
126K Classic
The North Face Transgrancanaria Classic 126K
Las Palmas de Gran Canaria, Spain · February
Overall score 3.5
Good
Top 36%
#19 of 51
Based on 8 reviews
- Mountain race
Distance
126 km (78.3 mi), Point to point
Climbing
Mountain, 284 ft/mi (54 m/km)
Footing
Technical
Cutoff
30 hours
Next race
26 Feb 2027
100 mi
Uwharrie 100 Mile Trail Run
Troy, NC · October
Overall score 3.4
Good
Top 38%
#20 of 51
Based on 10 reviews
- Lapped course
Distance
102.5 mi (165 km), Loop course
Climbing
Hilly, 170 ft/mi (32 m/km)
Footing
Technical
Cutoff
36 hours
Next race
17 Oct 2026
50K
Patapsco Valley 50K
Catonsville, MD · October
Overall score 3.4
Good
Top 40%
#21 of 51
Provisional: based on 4 reviews
- Generous cutoffs
- Lapped course
Distance
52.1 km (32.4 mi), Loop course
Footing
Moderate
Cutoff
10 hours
Next race
24 Oct 2026
50 mi
Cayuga Trails 50
Ithaca, NY · late May to early June
Overall score 3.4
Good
Top 42%
#22 of 51
Based on 7 reviews
- Lapped course
- Mountain race
Distance
50 mi (80.5 km), Loop course
Climbing
Mountain, 204 ft/mi (39 m/km)
Footing
Technical
Cutoff
15 hours
Next race
5 Jun 2027
100 mi
Old Dominion 100 Mile Cross Country Run
Woodstock, VA · June
Overall score 3.4
Good
Top 42%
#23 of 51
Based on 8 reviews
- Generous cutoffs
Distance
100 mi (161 km), One big loop
Climbing
Hilly, 140 ft/mi (27 m/km)
Footing
Moderate
Cutoff
28 hours
Next race
5 Jun 2027
100 mi
Kettle Moraine 100 Mile Endurance Run
La Grange, WI · June
Overall score 3.4
Good
Top 46%
#24 of 51
Based on 9 reviews
- Generous cutoffs
Distance
100.5 mi (162 km), Out and back
Climbing
Rolling, 88 ft/mi (17 m/km)
Footing
Moderate
Cutoff
30 hours
Last race
13 Jun 2026
100 mi
UTMB Grindstone 100 Mile (Grindstone Trail Running Festival by UTMB)
Mount Solon, VA · September
Overall score 3.3
Good
Top 48%
#25 of 51
Based on 9 reviews
- Mountain race
- Open entry
Distance
104 mi (167 km), Out and back
Climbing
Mountain, 202 ft/mi (38 m/km)
Footing
Technical
Cutoff
36 hours
Next race
24 Sep 2027
100 mi
C&O Canal 100 Mile
Knoxville (Camp Manidokan), MD · April
Overall score 3.3
Good
Top 50%
#26 of 51
Based on 7 reviews
- Good first 100
- Generous cutoffs
Distance
100 mi (161 km), Loop course
Footing
Mostly smooth
Cutoff
30 hours
Next race
24 Apr 2027
100 mi
Massanutten Mountain Trails 100 Mile Run
Fort Valley (Caroline Furnace Camp, near Woodstock), VA · May
Overall score 3.3
Good
Bottom 49%
#27 of 51
Based on 8 reviews
- Open entry
Distance
100.6 mi (162 km), One big loop
Climbing
Hilly, 184 ft/mi (35 m/km)
Footing
Very technical
Cutoff
36 hours
Next race
15 May 2027
200 mi
Tahoe 200 Endurance Run
Stateline, NV · June
Overall score 3.3
Good
Bottom 47%
#28 of 51
Based on 8 reviews
Distance
200.4 mi (323 km), One big loop
Climbing
Hilly, 160 ft/mi (30 m/km)
Footing
Technical
Cutoff
105 hours
Next race
21 Jun 2027
50K
Terrapin Mountain 50K
Sedalia (Big Island), VA · March
Overall score 3.3
Good
Bottom 45%
#29 of 51
Based on 7 reviews
- Mountain race
- Open entry
Distance
50.1 km (31 mi), Out and back
Climbing
Mountain, 225 ft/mi (43 m/km)
Footing
Moderate
Cutoff
9 hours
Next race
20 Mar 2027
50 miRenamed
Sonoma Fall Classic OG 50 Mile (formerly the Lake Sonoma 50)
Healdsburg, CA · October
Overall score 3.3
Good
Bottom 43%
#30 of 51
Based on 8 reviews
- Generous cutoffs
- Mountain race
Distance
51.5 mi (82.9 km), Out and back
Climbing
Mountain, 206 ft/mi (39 m/km)
Footing
Mostly smooth
Cutoff
16 hours
Next race
17 Oct 2026
100 mi
Burning River 100 Mile Endurance Run
Cuyahoga Falls, OH · July
Overall score 3.2
Good
Bottom 41%
#31 of 51
Based on 9 reviews
- Generous cutoffs
- Open entry
Distance
101.8 mi (164 km), Out and back
Climbing
Rolling, 79 ft/mi (15 m/km)
Footing
Mostly smooth
Cutoff
30 hours
Next race
31 Jul 2027
100 mi
Run Rabbit Run 100
Steamboat Springs, CO · September
Overall score 3.2
Good
Bottom 39%
#32 of 51
Based on 7 reviews
- Mountain race
Distance
101.8 mi (164 km), One big loop
Climbing
Mountain, 200 ft/mi (38 m/km)
Footing
Moderate
Cutoff
36 hours
Next race
17 Sep 2027
50 mi
Mountain Masochist Trail Run 50 Mile
Montebello, VA · November
Overall score 3.1
Good
Bottom 37%
#33 of 51
Based on 8 reviews
Distance
51.2 mi (82.4 km), Out and back
Climbing
Hilly, 176 ft/mi (33 m/km)
Footing
Moderate
Cutoff
13 hours
Next race
7 Nov 2026
50.2 mi
JFK 50 Mile
Boonsboro (start) to Williamsport (finish), MD · November
Overall score 3.1
Good
Bottom 35%
#34 of 51
Based on 8 reviews
Distance
50.2 mi (80.8 km), Point to point
Footing
Moderate
Cutoff
13 hours
Next race
21 Nov 2026
100 mi
Mohican Trail 100 Mile Run
Loudonville, OH · June
Overall score 3.1
Good
Bottom 35%
#35 of 51
Based on 9 reviews
- Lapped course
- Open entry
Distance
100.2 mi (161 km), Loop course
Climbing
Hilly, 141 ft/mi (27 m/km)
Footing
Moderate
Cutoff
32 hours
Next race
5 Jun 2027
100M
UTMB Mont-Blanc 100M (the 171 km UTMB, not CCC or OCC)
Chamonix, France · August
Overall score 3.1
Good
Bottom 31%
#36 of 51
Based on 9 reviews
- Mountain race
Distance
174 km (108 mi), One big loop
Climbing
Mountain, 294 ft/mi (56 m/km)
Footing
Technical
Cutoff
46.8 hours
Last race
28 Aug 2026
135 mi
Badwater 135
Death Valley to Lone Pine, CA · July
Overall score 3.0
Good
Bottom 29%
#37 of 51
Based on 7 reviews
- Smooth footing
Distance
135 mi (217 km), Point to point
Climbing
Rolling, 108 ft/mi (21 m/km)
Footing
Smooth
Cutoff
45 hours
Next race
19 Jul 2027
40 mi
Highlands Sky 40 Mile Trail Run
Davis, WV · June
Overall score 3.0
Good
Bottom 27%
#38 of 51
Based on 6 reviews
Distance
41 mi (66 km), Point to point
Climbing
Hilly, 134 ft/mi (25 m/km)
Footing
Technical
Cutoff
12 hours
Last race
20 Jun 2026
120K
Lavaredo Ultra Trail 120K (La Sportiva Lavaredo Ultra Trail by UTMB)
Cortina d'Ampezzo, Italy · June
Overall score 3.0
Good
Bottom 25%
#39 of 51
Based on 8 reviews
- Mountain race
Distance
120 km (74.6 mi), One big loop
Climbing
Mountain, 255 ft/mi (48 m/km)
Footing
Technical
Cutoff
30 hours
Next race
25 Jun 2027
100 mi
Devil Dog Ultras 100 Mile
Triangle, VA · December
Overall score 2.9
Good
Bottom 24%
#40 of 51
Based on 8 reviews
- Looped eastern 100
- Lapped course
Distance
101 mi (163 km), Loop course
Climbing
Rolling, 102 ft/mi (19 m/km)
Footing
Moderate
Cutoff
32 hours
Next race
5 Dec 2026
100 mi
Bighorn 100 Mile Endurance Run
Dayton, WY · June
Overall score 2.9
Good
Bottom 22%
#41 of 51
Based on 9 reviews
- Mountain race
- Open entry
Distance
100 mi (161 km), Out and back
Climbing
Mountain, 205 ft/mi (39 m/km)
Footing
Technical
Cutoff
35 hours
Last race
19 Jun 2026
100K
Hellgate 100K++
Natural Bridge Station, VA · December
Overall score 2.9
Good
Bottom 22%
#42 of 51
Based on 8 reviews
Distance
107 km (66.6 mi), Point to point
Climbing
Hilly, 195 ft/mi (37 m/km)
Footing
Moderate
Cutoff
18 hours
Next race
12 Dec 2026
100 mi
Leadville Trail 100 Run
Leadville, CO · August
Overall score 2.8
Good
Bottom 18%
#43 of 51
Based on 7 reviews
Distance
99.7 mi (161 km), Out and back
Climbing
Hilly, 155 ft/mi (29 m/km)
Footing
Moderate
Cutoff
30 hours
Next race
21 Aug 2027
100 mi
Wasatch Front 100 Mile Endurance Run
Kaysville to Midway, UT · September
Overall score 2.8
Good
Bottom 16%
#44 of 51
Based on 7 reviews
- Mountain race
Distance
100 mi (161 km), Point to point
Climbing
Mountain, 240 ft/mi (46 m/km)
Footing
Technical
Cutoff
36 hours
Last race
11 Sep 2026
103 mi
Eastern States 100
Waterville, PA · August
Overall score 2.8
Good
Bottom 14%
#45 of 51
Based on 5 reviews
- Mountain race
Distance
103.5 mi (167 km), One big loop
Climbing
Mountain, 203 ft/mi (38 m/km)
Footing
Technical
Cutoff
36 hours
Next race
14 Aug 2027
70.5 mi
Laurel Highlands Ultra 70.5 Mile
Ohiopyle, PA · June
Overall score 2.7
Good
Bottom 12%
#46 of 51
Based on 6 reviews
Distance
70.5 mi (114 km), Point to point
Footing
Technical
Cutoff
22 hours
Next race
12 Jun 2027
74 mi
Georgia Death Race
Blairsville, GA · March
Overall score 2.7
Good
Bottom 10%
#47 of 51
Based on 10 reviews
- Mountain race
Distance
74 mi (119 km), Point to point
Climbing
Mountain, 216 ft/mi (41 m/km)
Footing
Technical
Cutoff
25 hours
Next race
27 Mar 2027
50K
Hyner View Trail Challenge 50K
Hyner, PA · April
Overall score 2.7
Good
Bottom 8%
#48 of 51
Based on 8 reviews
- Mountain race
Distance
50 km (31 mi), One big loop
Climbing
Mountain, 209 ft/mi (40 m/km)
Footing
Technical
Cutoff
10 hours
Next race
17 Apr 2027
100 mi
Oil Creek 100 Trail Runs (100 Mile)
Titusville, PA · October
Overall score 2.7
Good
Bottom 8%
#49 of 51
Based on 5 reviews
- Lapped course
- Open entry
Distance
100.6 mi (162 km), Loop course
Climbing
Hilly, 177 ft/mi (34 m/km)
Footing
Moderate
Cutoff
32 hours
Last race
10 Oct 2026
53 mi
Manitou's Revenge 54 Mile
Windham, NY · June
Overall score 2.6
Good
Bottom 4%
#50 of 51
Based on 9 reviews
- Mountain race
Distance
53.2 mi (85.6 km), Point to point
Climbing
Mountain, 282 ft/mi (53 m/km)
Footing
Very technical
Cutoff
23 hours
Next race
19 Jun 2027
100 mi
The Canyons Endurance Runs by UTMB 100 Mile
Auburn, CA · April
Overall score 2.6
Good
Bottom 2%
#51 of 51
Based on 8 reviews
Distance
100.3 mi (161 km), Point to point
Climbing
Hilly, 182 ft/mi (34 m/km)
Footing
Moderate
Cutoff
35 hours
Next race
23 Apr 2027

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