The UTMB World Series is the largest and best-known ultratrail series in the world.
The competitions are held in many different countries around the world. The runs take place in several continents. World Tour events are located in North America, South America, Africa, Europe, Asia and Australia.
Ultratrails all year round
Most of the ultratrails in this series stop in Europe. Here the races are held in Spain, Croatia, Portugal, Austria, Italy, Switzerland and France. The competitions are held between January and November.
The series was first held in 2014. The 5 best results of a runner in the last 3 years count for the complex ranking. The picture shows a participant of the Lavardeo Ultra Trail in Italy.
UTMB World Series - Dates and Results
Puerto Vallarta México by UTMB®
 | 06.03.2026 ✔ |
| |
 | Puerto Vallarta |
 | 174 km (6.400 Hm) / 91 km / 47 km / 26 km / 8 km |
Chianti Ultra Trail
| 20.03.2026 ✔ |
| |
| Radda in Chianti |
| 103 km (4.200 Hm) / 73,4 km (2.800 Hm) / 42,7 km (1.500 Hm) / 20 km (800 Hm) / 15 km (550 Hm) |
Valhöll Fin del Mundo by UTMB
| 21.03.2026 ✔ |
| |
| Ushuaia |
| 129,9 km / 83,2 km / 50,3 km / 32,8 km / 22,5 km / 12,5 km |
100 miles of Istria / Istria 100
| 10.04.2026 ✔ |
| |
| Labin |
| 168 km (6.390 Hm) / 128 km (4.940 Hm) / 67 km (2.150 Hm) / 41 km (940 Hm) / 20 km (140 Hm) |
Desert Rats Trail Running Festival
| 11.04.2026 ✔ |
| |
| Fruita |
| 100 km (1.109 Hm) / 50 km (1.109 Hm) / 21 km / 10 km |
Amazean Jungle Thailand by UTMB
| 01.05.2026 ✔ |
| |
| Betong |
| 146 km (8.318 Hm) / 102 km / 55 km / 27,9 km / 15,8 km |
Trail Alsace Grand Est by UTMB - Ultra-Trail des Chevaliers
| 15.05.2026 ✔ |
| |
| Colmar |
| 160 km / 109 km / 47 km / 29 km / 18 km |
Ultra-Trail® Snowdonia
| 15.05.2026 ✔ |
| |
| Capel Curig |
| 165 km (10.000 Hm) / 100 km (6.700 Hm) / 50 km (3.300 Hm) |
Trail du Saint-Jacques by UTMB®
| 12.06.2026 ✔ |
| |
| Haute-Loire |
| 123 km (5.150 Hm) / 72 km (3.000 Hm) / 43 km (1.450 Hm) / 17 km (400 Hm) |
Andorra Trail 100 Pyrenees
| 13.06.2026 ✔ |
| |
| Ordino |
| 124,6 km (8.660 Hm) / 56,8 km (4.640 Hm) / 24,4 km (2.230 Hm) / 7,5 km (570 Hm) |
Hot
Salomon Zugspitz Ultratrail (ZUT)
| 18.06.2026 ✔ |
| |
| Grainau |
| 164 km / 106 km / 86 km / 68 km / 44 km / 29 km / 16 km |
La Sportiva Lavaredo Ultra Trail
| 26.06.2026 ✔ |
| |
| Cortina d'Ampezzo |
| 120 km (5.800 Hm) / 80 km / 50 km / 20 km / 10 km |
Val d'Aran by UTMB
| 02.07.2026 ✔ |
| |
| Vielha e Mijaran |
| 161 km (10.200 Hm) / 105 km (6.100 Hm) / 55 km (3.300 Hm) |
Restonica Trail - GR20
| 09.07.2026 ✔ |
| |
| Corte |
| 110 km (7.200 Hm) / 69 km (4.000 Hm) / 33 km (2.500 Hm) / 17 km (650 Hm) |
Trail Verbier Saint-Bernard
| 10.07.2026 ✔ |
| |
| Verbier |
| 140 km (9.300 Hm) / 76 km (5.300 Hm) / 44 km (3.400 Hm) / 26 km (1.800 Hm) |
Eiger Ultra Trail
| 18.07.2026 |
| |
| Grindelwald |
| 250 km (20.000 Hm) / 101 km (6.685 Hm) / 51 km / 35 km / 16 km / 0,85 km / 0,35 km |
Bucovina Ultra Rocks
| 24.07.2026 ✔ |
| |
| Câmpulung Moldovenesc |
| 114 km / 72 km / 48 km / 33 km / 20 km / 15 km / 5 km |
KAT100 by UTMB: Kitz Alps Trail
| 06.08.2026 ✔ |
| |
| Fieberbrunn |
| 173 km (9.900 Hm) / 81,4 km (4850 Hm) / 51 km (3.250 Hm) / 24 km (1.650 Hm) / 8 km (250 Hm) |
Boréalys Mont-Tremblant by UTMB
| 15.08.2026 ✔ |
| |
| Mont-Tremblant-Village |
| 78,9 km / 46 km / 26,7 km / 14 km / 5,7 km |
Ultra-Trail du Mont-Blanc (UTMB)
| 28.08.2026 ✔ |
| |
| Chamonix |
| 300 km / 171 km / 145 km / 100 km / 55 km / 40 km / 15 km |
Wildstrubel by UTMB®
| 11.09.2026 ✔ |
| |
| Adelboden |
| 113 km (6.600 Hm) / 72 km / 55 km / 42 km / 26 km / 10 km |
Paraty Brazil by UTMB - Ultra-Trail Serra da Bocaina
| 18.09.2026 ✔ |
| |
| Paraty |
| 110 km (5.700 Hm) / 55 km (3.140 Hm) / 35 km (1.300 Hm) / 23 km (700 Hm) |
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