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🏔️ Ultra Index
Races

100K Races

THE SWEET SPOT OF ULTRA DISTANCE — LONG ENOUGH TO CHALLENGE, SHORT ENOUGH TO RACE.

52 Races · 34 Countries

90km du Mont-Blanc
90km
57 /100

27 JUN 2026

90km du Mont-Blanc

Chamonix, France

challenging ↑5,800m 20% DNF trail
🏔 5/5 👥 4/5
Amsterdam 100
100km
23 /100

8 AUG 2026

Amsterdam 100

Amsterdam, Netherlands

accessible ↑50m 10% DNF mixed
👥 5/5 ✓ First Ultra
Andes Race
100km
58 /100

25 JUL 2026

Andes Race

Huaraz, Peru

brutal ↑5,500m 30% DNF trail
🏔 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
Beast Runners Taiwan 100K
100km
54 /100

15 NOV 2026

Beast Runners Taiwan 100K

Nantou, Taiwan

challenging ↑5,000m 20% DNF trail
🏔 5/5
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
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
Copenhagen 100
100km
24 /100

20 SEP 2026

Copenhagen 100

Copenhagen, Denmark

moderate ↑500m 15% DNF mixed
🏔 5/5 👥 5/5 ✓ First Ultra
Corfu Mountain Trail
100km
53 /100

23 MAY 2026

Corfu Mountain Trail

Corfu Town, Greece

challenging ↑4,800m 18% DNF trail
🏔 5/5 👥 4/5
Dalat Ultra Trail
100km
48 /100

14 MAR 2027

Dalat Ultra Trail

Dalat, Vietnam

challenging ↑4,200m 15% DNF trail
🏔 5/5 👥 5/5
Doi Inthanon Thailand Ultra
100km
53 /100

12 APR 2026

Doi Inthanon Thailand Ultra

Chom Thong, Thailand

challenging ↑4,500m 18% DNF trail
🏔 5/5
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
Fjällräven Classic Ultra
110km
43 /100

12 AUG 2026

Fjällräven Classic Ultra

Nikkaluokta, Sweden

challenging ↑2,000m 15% DNF trail
🏔 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
Georgia Death Race
68 miles / 109km
58 /100

21 MAR 2027

Georgia Death Race

Blairsville, United States

brutal ↑5,500m 25% DNF trail
🏔 5/5
Gobi Desert 100
100km
34 /100

27 JUN 2026

Gobi Desert 100

Dunhuang, China

challenging ↑1,200m 15% DNF sand
🏔 4/5
Golden Ring Ultra-Trail
100km
26 /100

20 JUN 2026

Golden Ring Ultra-Trail

Suzdal, Russia

moderate ↑1,200m 15% DNF mixed
🏔 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
Innsbruck Alpine Trailrun Festival
102km
60 /100

29 APR 2026

Innsbruck Alpine Trailrun Festival

Innsbruck, Austria

challenging ↑5,600m 22% DNF trail
🏔 5/5 👥 4/5
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
Lesotho Ultra Trail
100km
50 /100

10 OCT 2026

Lesotho Ultra Trail

Roma, Lesotho

challenging ↑4,500m 20% DNF trail
🏔 5/5 👥 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
Mozart 100
100km
50 /100

23 MAY 2026

Mozart 100

Salzburg, Austria

challenging ↑4,600m 18% DNF trail
🏔 5/5 👥 4/5
Niger Ultra
100km
35 /100

14 NOV 2026

Niger Ultra

Agadez, Niger

challenging ↑800m 15% DNF sand
👥 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
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
Patagonia Run
100km
49 /100

25 APR 2026

Patagonia Run

San Martín de los Andes, Argentina

challenging ↑4,500m 22% DNF trail
🏔 5/5
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
Pirin Ultra
94km
57 /100

13 SEP 2026

Pirin Ultra

Bansko, Bulgaria

challenging ↑5,500m 25% DNF trail
🏔 5/5
Salomon Ultra Pirineu
100km
57 /100

12 APR 2026

Salomon Ultra Pirineu

Bagà, Spain

brutal ↑6,200m 22% DNF trail
🏔 5/5 ⭐ 4/5
Sardinia Trail
100km
46 /100

10 MAY 2026

Sardinia Trail

Dorgali, Italy

challenging ↑4,200m 15% DNF trail
🏔 5/5 👥 4/5
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
Swiss Canyon Trail
111km
57 /100

29 MAY 2026

Swiss Canyon Trail

Grindelwald, Switzerland

brutal ↑6,200m 25% DNF trail
🏔 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
Tenerife Bluetrail
100km
58 /100

19 APR 2026

Tenerife Bluetrail

Puerto de la Cruz, Spain

challenging ↑5,500m 20% DNF trail
🏔 5/5 👥 4/5
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
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
Ultra Selvagem
80km
38 /100

16 SEP 2026

Ultra Selvagem

Chapada dos Veadeiros, Brazil

challenging ↑3,000m 15% DNF trail
🏔 5/5 👥 4/5
Ultra Sierra Nevada
100km
56 /100

12 APR 2026

Ultra Sierra Nevada

Granada, Spain

challenging ↑5,700m 22% DNF trail
🏔 5/5
Ultra Trail Côte d'Azur
107km
59 /100

17 MAY 2026

Ultra Trail Côte d'Azur

Roquebrune-Cap-Martin, France

challenging ↑5,800m 20% DNF trail
🏔 5/5
Ultra Trail Mount Robson
120km
53 /100

12 SEP 2026

Ultra Trail Mount Robson

Valemount, Canada

challenging ↑5,200m 20% DNF trail
🏔 5/5
Ultra Trail Serra da Estrela
80km
47 /100

1 MAY 2026

Ultra Trail Serra da Estrela

Seia, Portugal

challenging ↑4,000m 18% DNF trail
🏔 5/5
Ultra Trail Torres del Paine
80km
43 /100

19 SEP 2026

Ultra Trail Torres del Paine

Torres del Paine, Chile

challenging ↑2,800m 20% DNF trail
🏔 5/5
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 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
Ultra-Trail Mt. Aso Round Trail
100km
47 /100

2 MAY 2026

Ultra-Trail Mt. Aso Round Trail

Aso, Japan

moderate ↑4,400m 15% DNF trail
🏔 5/5 👥 4/5
Ultra-Trail Snowdonia
100km
58 /100

15 MAY 2026

Ultra-Trail Snowdonia

Llanberis, United Kingdom

challenging ↑5,500m 28% DNF trail
🏔 5/5
Ultra-Trail Transylvania
100km
54 /100

22 MAY 2026

Ultra-Trail Transylvania

Bran, Romania

challenging ↑5,200m 20% DNF trail
🏔 5/5
Waldo 100K
100km
48 /100

15 AUG 2026

Waldo 100K

Oakridge, United States

challenging ↑4,300m 20% DNF trail
🏔 5/5
Zugspitz Ultratrail
100km
55 /100

18 JUN 2026

Zugspitz Ultratrail

Grainau, Germany

challenging ↑5,400m 20% DNF trail
🏔 5/5 👥 4/5

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