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🏔️ Ultra Index
Races

Best Organized

PROFESSIONAL RACE ORGANIZATIONS WITH EXCELLENT AID STATIONS, LOGISTICS, AND RUNNER SUPPORT. THESE RACES SET THE STANDARD.

89 Races · 33 Countries

CCC - Courmayeur-Champex-Chamonix
101km
62 /100

2 AUG 2026

CCC - Courmayeur-Champex-Chamonix

Courmayeur, Italy

brutal ↑6,100m 20% DNF trail
🏔 5/5 ⭐ 5/5 👥 4/5
Comrades Marathon
89km
32 /100

14 JUN 2026

Comrades Marathon

Durban, South Africa

challenging ↑1,500m 8% DNF road
🏔 4/5 ⭐ 5/5 👥 4/5
Comrades Marathon
89km
33 /100

14 JUN 2026

Comrades Marathon

Durban, South Africa

challenging ↑1,800m 20% DNF road
⭐ 5/5 👥 5/5
Jungfrau Marathon Ultra
42km
34 /100

5 SEP 2026

Jungfrau Marathon Ultra

Interlaken, Switzerland

moderate ↑1,829m 5% DNF mixed
🏔 5/5 ⭐ 5/5 👥 4/5 ✓ First Ultra
Lake Saroma 100km Ultramarathon
100km
25 /100

28 JUN 2026

Lake Saroma 100km Ultramarathon

Saroma, Japan

moderate ↑300m 12% DNF road
🏔 4/5 ⭐ 5/5 👥 5/5
Lavaredo Ultra Trail
120km
56 /100

24 JUN 2026

Lavaredo Ultra Trail

Cortina d'Ampezzo, Italy

challenging ↑5,850m 20% DNF trail
🏔 5/5 ⭐ 5/5 👥 4/5
Oxfam Trailwalker Hong Kong
100km
51 /100

14 NOV 2026

Oxfam Trailwalker Hong Kong

Hong Kong, Hong Kong

moderate ↑4,800m 12% DNF trail
🏔 5/5 ⭐ 5/5 👥 5/5
Sierre-Zinal
31km
49 /100

8 AUG 2026

Sierre-Zinal

Sierre, Switzerland

moderate ↑2,200m 5% DNF trail
🏔 5/5 ⭐ 5/5 👥 4/5 ✓ First Ultra
Swiss Alpine Marathon
78km
38 /100

25 JUL 2026

Swiss Alpine Marathon

Davos, Switzerland

challenging ↑2,260m 12% DNF trail
🏔 5/5 ⭐ 5/5 👥 4/5
TDS
145km
66 /100

30 APR 2026

TDS

Courmayeur, Italy

brutal ↑9,100m 30% DNF trail
🏔 5/5 ⭐ 5/5 👥 4/5
Transgrancanaria
128km
61 /100

11 APR 2026

Transgrancanaria

Las Palmas, Spain

challenging ↑7,500m 25% DNF trail
🏔 5/5 ⭐ 5/5 👥 4/5
Ultra-Trail Australia
100km
48 /100

17 MAY 2026

Ultra-Trail Australia

Katoomba, Australia

challenging ↑4,400m 18% DNF trail
🏔 5/5 ⭐ 5/5
Ultra-Trail du Mont-Blanc
171km
67 /100

24 AUG 2026

Ultra-Trail du Mont-Blanc

Chamonix, France

brutal ↑10,000m 35% DNF trail
🏔 5/5 ⭐ 5/5 👥 4/5
Ultra-Trail Mt. Fuji
168km
61 /100

24 APR 2026

Ultra-Trail Mt. Fuji

Kawaguchiko, Japan

brutal ↑8,000m 35% DNF trail
🏔 5/5 ⭐ 5/5
Ultra-Trail Mt. Fuji
165km
58 /100

24 APR 2026

Ultra-Trail Mt. Fuji

Kawaguchiko, Japan

brutal ↑7,600m 30% DNF trail
🏔 5/5 ⭐ 5/5
Western States 100
100 miles
55 /100

28 JUN 2026

Western States 100

Olympic Valley, United States

brutal ↑5,500m 25% DNF trail
🏔 4/5 ⭐ 5/5
6 Jours de France
6 Days (Timed)
27 /100

18 MAY 2026

6 Jours de France

Privas, France

brutal road
⭐ 4/5 👥 5/5
Andorra Ultra Trail
112km
62 /100

13 JUN 2026

Andorra Ultra Trail

Ordino, Andorra

brutal ↑6,800m 25% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Angeles Crest 100
100 miles
56 /100

3 OCT 2026

Angeles Crest 100

Wrightwood, United States

brutal ↑6,100m 40% DNF trail
🏔 4/5 ⭐ 4/5
Antarctic Ice Marathon
42.2km + Ultra 100km
35 /100

1 JUN 2026

Antarctic Ice Marathon

Union Glacier, Antarctica

challenging ↑200m 10% DNF snow
🏔 4/5 ⭐ 4/5
Australian 24 Hour Championships
24 hours
27 /100

4 AUG 2026

Australian 24 Hour Championships

Adelaide, Australia

challenging ↑50m 15% DNF road
⭐ 4/5
Badwater 135
135 miles
50 /100

1 MAY 2026

Badwater 135

Death Valley, United States

legendary ↑4,450m 20% DNF road
⭐ 4/5
Bandera 50K
50km
30 /100

8 MAY 2026

Bandera 50K

Bandera, United States

moderate ↑1,600m 8% DNF trail
⭐ 4/5 👥 5/5 ✓ First Ultra
Barkley Marathons
~130 miles
90 /100

MAR

Barkley Marathons

Frozen Head State Park, United States

legendary ↑18,000m 99% DNF off-trail
🏔 4/5 ⭐ 4/5
Bear 100
100 miles
53 /100

25 SEP 2026

Bear 100

Logan, United States

brutal ↑6,800m 28% DNF trail
🏔 5/5 ⭐ 4/5
Big Five Marathon
42.2km + Ultra 50K
20 /100

13 JUN 2026

Big Five Marathon

Entabeni, South Africa

accessible ↑800m 5% DNF trail
🏔 4/5 ⭐ 4/5 👥 5/5 ✓ First Ultra
Big Red Run
250km / 6 stages
43 /100

8 AUG 2026

Big Red Run

Birdsville, Australia

challenging ↑800m 5% DNF sand
🏔 4/5 ⭐ 4/5 👥 4/5
Bob Graham Round
106km / 42 peaks
79 /100

JUN

Bob Graham Round

Keswick, United Kingdom

legendary ↑8,200m 45% DNF off-trail
🏔 4/5 ⭐ 4/5
Brazos Bend 50
50 miles
25 /100

11 APR 2026

Brazos Bend 50

Needville, United States

accessible ↑100m 8% DNF trail
🏔 4/5 ⭐ 4/5 👥 5/5 ✓ First Ultra
Cappadocia Ultra-Trail
110km
41 /100

17 OCT 2026

Cappadocia Ultra-Trail

Ürgüp, Turkey

moderate ↑3,500m 15% DNF trail
🏔 4/5 ⭐ 4/5 👥 4/5
Coast to Kosciuszko
240km
47 /100

20 NOV 2026

Coast to Kosciuszko

Eden, Australia

brutal ↑5,500m 35% DNF mixed
🏔 5/5 ⭐ 4/5
Comrades Marathon Qualifier 50K
50km
21 /100

4 MAY 2026

Comrades Marathon Qualifier 50K

Pietermaritzburg, South Africa

accessible ↑500m 5% DNF road
⭐ 4/5 👥 5/5 ✓ First Ultra
Copper Canyon Ultra Marathon
80km
42 /100

31 MAY 2026

Copper Canyon Ultra Marathon

Urique, Mexico

challenging ↑3,000m 15% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Country to Capital Ultra
45 miles / 72km
29 /100

17 JAN 2027

Country to Capital Ultra

Wendover, United Kingdom

moderate ↑800m 10% DNF trail
⭐ 4/5 👥 5/5 ✓ First Ultra
Eiger Ultra Trail
101km
64 /100

15 JUL 2026

Eiger Ultra Trail

Grindelwald, Switzerland

brutal ↑6,600m 20% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Eiger Ultra Trail E101
101km
64 /100

12 APR 2026

Eiger Ultra Trail E101

Grindelwald, Switzerland

brutal ↑6,700m 22% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
El Cruce Columbia
100km / 3 stages
48 /100

12 AUG 2026

El Cruce Columbia

Villa La Angostura, Argentina

moderate ↑4,000m 10% DNF trail
🏔 5/5 ⭐ 4/5 👥 5/5
Gaoligong by UTMB
100km
52 /100

17 MAY 2026

Gaoligong by UTMB

Tengchong, China

challenging ↑5,500m 22% DNF trail
🏔 5/5 ⭐ 4/5
Great Wall Marathon Ultra
50km
47 /100

9 MAY 2026

Great Wall Marathon Ultra

Huangyaguan, China

challenging ↑3,000m 10% DNF mixed
🏔 5/5 ⭐ 4/5 👥 4/5
Grindstone 100
100 miles
51 /100

31 MAY 2026

Grindstone 100

Swoope, United States

brutal ↑6,700m 30% DNF trail
🏔 5/5 ⭐ 4/5
Hardrock Hundred
100 miles
68 /100

16 MAY 2026

Hardrock Hundred

Silverton, United States

legendary ↑10,000m 40% DNF trail
🏔 5/5 ⭐ 4/5
Hong Kong 100 Ultra Trail Race
100km
54 /100

17 JAN 2027

Hong Kong 100 Ultra Trail Race

Hong Kong, Hong Kong

challenging ↑4,600m 18% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
HURT 100
100 miles
64 /100

17 JAN 2027

HURT 100

Honolulu, United States

brutal ↑7,500m 50% DNF trail
🏔 4/5 ⭐ 4/5 👥 4/5
Istria 100
168km
56 /100

12 APR 2026

Istria 100

Buzet, Croatia

brutal ↑7,100m 30% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Javelina Jundred
100 miles
35 /100

1 NOV 2026

Javelina Jundred

Fountain Hills, United States

moderate ↑1,800m 15% DNF trail
⭐ 4/5 👥 5/5 ✓ First Ultra
JFK 50 Mile
50 miles
27 /100

21 NOV 2026

JFK 50 Mile

Boonsboro, United States

moderate ↑1,200m 8% DNF mixed
⭐ 4/5 👥 4/5
Jordan Ultra
50km
40 /100

20 MAR 2027

Jordan Ultra

Dana, Jordan

moderate ↑2,200m 10% DNF sand
🏔 4/5 ⭐ 4/5 👥 4/5 ✓ First Ultra
Kepler Challenge
60km
36 /100

4 JUL 2026

Kepler Challenge

Te Anau, New Zealand

moderate ↑1,700m 10% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Kullamannen by UTMB
100 Miles (173km)
45 /100

12 APR 2026

Kullamannen by UTMB

Mölle, Sweden

brutal ↑2,300m 45% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
La Ultra - The High
111km
56 /100

16 SEP 2026

La Ultra - The High

Leh, India

brutal ↑5,000m 35% DNF mixed
🏔 4/5 ⭐ 4/5
Lakeland 100
100 miles
52 /100

24 JUL 2026

Lakeland 100

Coniston, United Kingdom

brutal ↑6,300m 30% DNF trail
🏔 5/5 ⭐ 4/5
Laugavegur Ultra Marathon
55km
41 /100

18 JUL 2026

Laugavegur Ultra Marathon

Landmannalaugar, Iceland

challenging ↑1,600m 10% DNF off-trail
🏔 5/5 ⭐ 4/5
Leadville Trail 100
100 miles
48 /100

15 AUG 2026

Leadville Trail 100

Leadville, United States

brutal ↑4,800m 40% DNF trail
🏔 4/5 ⭐ 4/5
Madeira Island Ultra Trail
115km
63 /100

24 APR 2026

Madeira Island Ultra Trail

Porto Moniz, Portugal

brutal ↑7,200m 25% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Marathon des Sables
250km / 6 stages
54 /100

13 APR 2026

Marathon des Sables

Ouarzazate, Morocco

brutal ↑1,500m 12% DNF sand
⭐ 4/5 👥 4/5
Marathon du Mont-Blanc
42km
47 /100

25 JUN 2026

Marathon du Mont-Blanc

Chamonix, France

moderate ↑2,600m 10% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5 ✓ First Ultra
Massanutten Mountain Trails 100
100 miles
52 /100

16 APR 2026

Massanutten Mountain Trails 100

Harrisonburg, United States

brutal ↑5,800m 30% DNF trail
🏔 4/5 ⭐ 4/5
Mount Kinabalu International Climbathon
21km (summit return)
74 /100

18 OCT 2026

Mount Kinabalu International Climbathon

Kundasang, Malaysia

challenging ↑2,229m 10% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Oman by UTMB
137km
63 /100

27 NOV 2026

Oman by UTMB

Nizwa, Oman

brutal ↑7,900m 25% DNF trail
🏔 5/5 ⭐ 4/5
Oman by UTMB
137km
60 /100

26 NOV 2026

Oman by UTMB

Muscat, Oman

challenging ↑6,500m 25% DNF varied
🏔 5/5 ⭐ 4/5
Penyagolosa Trails MiM
107km
57 /100

18 APR 2026

Penyagolosa Trails MiM

Castellón de la Plana, Spain

challenging ↑5,600m 18% DNF trail
🏔 5/5 ⭐ 4/5
Pinhoti 100
100 miles
41 /100

7 NOV 2026

Pinhoti 100

Sylacauga, United States

challenging ↑4,000m 22% DNF trail
⭐ 4/5 👥 4/5
Ring O' Fire
135 miles
46 /100

17 AUG 2026

Ring O' Fire

Holyhead, United Kingdom

brutal ↑5,500m 35% DNF trail
🏔 5/5 ⭐ 4/5
Ronda dels Cims
170km
75 /100

12 APR 2026

Ronda dels Cims

Andorra la Vella, Andorra

brutal ↑13,500m 40% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Salomon Ultra Pirineu
100km
57 /100

12 APR 2026

Salomon Ultra Pirineu

Bagà, Spain

brutal ↑6,200m 22% DNF trail
🏔 5/5 ⭐ 4/5
Sani Stagger
42km
44 /100

22 NOV 2026

Sani Stagger

Underberg, South Africa

moderate ↑2,200m 10% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Self-Transcendence 3100 Mile Race
3100 miles / 52 days
46 /100

24 AUG 2026

Self-Transcendence 3100 Mile Race

New York, United States

legendary ↑100m 40% DNF road
⭐ 4/5 👥 4/5
Sinister 7 Ultra
100 miles
51 /100

11 JUL 2026

Sinister 7 Ultra

Blairmore, Canada

brutal ↑6,600m 30% DNF trail
🏔 5/5 ⭐ 4/5
Spartathlon
246km
46 /100

27 SEP 2026

Spartathlon

Athens, Greece

brutal ↑1,200m 55% DNF road
⭐ 4/5 👥 4/5
Superior 100
100 miles
47 /100

11 SEP 2026

Superior 100

Gooseberry Falls, United States

brutal ↑5,600m 30% DNF trail
🏔 5/5 ⭐ 4/5
Tarawera Ultramarathon 100 Mile
100 miles / 161km
46 /100

14 FEB 2027

Tarawera Ultramarathon 100 Mile

Rotorua, New Zealand

challenging ↑4,200m 20% DNF trail
🏔 5/5 ⭐ 4/5
Tarawera Ultramarathon 50K
50km
23 /100

14 FEB 2027

Tarawera Ultramarathon 50K

Rotorua, New Zealand

accessible ↑1,100m 5% DNF trail
🏔 5/5 ⭐ 4/5 👥 5/5 ✓ First Ultra
Thailand by UTMB
100km
57 /100

3 MAY 2026

Thailand by UTMB

Chiang Mai, Thailand

challenging ↑5,400m 18% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
The Coastal Challenge
250km / 6 stages
66 /100

7 FEB 2027

The Coastal Challenge

Quepos, Costa Rica

challenging ↑8,000m 20% DNF trail
🏔 5/5 ⭐ 4/5 👥 5/5
The Coastal Challenge
236km / 6 stages
64 /100

7 FEB 2027

The Coastal Challenge

Quepos, Costa Rica

challenging ↑7,000m 15% DNF varied
🏔 5/5 ⭐ 4/5
Tor des Géants
330km
91 /100

20 SEP 2026

Tor des Géants

Courmayeur, Italy

legendary ↑24,000m 40% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Transalpine Run
260km / 7 stages
70 /100

28 AUG 2026

Transalpine Run

Garmisch-Partenkirchen, Germany

challenging ↑15,000m 15% DNF trail
🏔 5/5 ⭐ 4/5 👥 5/5
Transgrancanaria HG 50K
50km
47 /100

12 APR 2026

Transgrancanaria HG 50K

Las Palmas, Spain

challenging ↑2,800m 15% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Transvulcania Ultramarathon
74km
53 /100

9 MAY 2026

Transvulcania Ultramarathon

Los Llanos de Aridane, Spain

challenging ↑4,350m 15% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Tromsø Midnight Sun Marathon Ultra
50km
20 /100

20 JUN 2026

Tromsø Midnight Sun Marathon Ultra

Tromsø, Norway

moderate ↑800m 8% DNF road
🏔 5/5 ⭐ 4/5 👥 5/5 ✓ First Ultra
Ultra Balaton
220km
33 /100

26 APR 2026

Ultra Balaton

Balatonfüred, Hungary

challenging ↑2,200m 30% DNF mixed
🏔 5/5 ⭐ 4/5 👥 4/5
Ultra-Trail Australia 50K
50km
33 /100

17 MAY 2026

Ultra-Trail Australia 50K

Katoomba, Australia

moderate ↑2,200m 10% DNF trail
🏔 5/5 ⭐ 4/5 👥 5/5 ✓ First Ultra
Ultra-Trail Cape Town
100km
50 /100

22 NOV 2026

Ultra-Trail Cape Town

Cape Town, South Africa

challenging ↑4,300m 20% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Umstead 100
100 miles
34 /100

4 APR 2027

Umstead 100

Raleigh, United States

moderate ↑2,100m 15% DNF trail
⭐ 4/5 👥 5/5 ✓ First Ultra
Val d'Aran by UTMB
105km
62 /100

5 JUL 2026

Val d'Aran by UTMB

Vielha, Spain

challenging ↑6,200m 22% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5
Waldo 50K
50km
35 /100

30 JAN 2027

Waldo 50K

Oakridge, United States

moderate ↑2,100m 8% DNF trail
🏔 5/5 ⭐ 4/5 👥 4/5 ✓ First Ultra
Wasatch Front 100
100 miles
56 /100

6 SEP 2026

Wasatch Front 100

Kaysville, United States

brutal ↑8,200m 30% DNF trail
🏔 5/5 ⭐ 4/5
Way Too Cool 50K
50km
21 /100

7 MAR 2027

Way Too Cool 50K

Cool, United States

accessible ↑1,500m 5% DNF trail
🏔 4/5 ⭐ 4/5 👥 5/5 ✓ First Ultra
West Highland Way Race
95 miles
43 /100

20 JUN 2026

West Highland Way Race

Milngavie, United Kingdom

challenging ↑4,500m 25% DNF trail
🏔 4/5 ⭐ 4/5

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