El Ultra Trail World Tour ha presentado su calendario 2018. Si en la pasada temporada el circuito apostó claramente por la expansión, incluyendo varias pruebas «desconocidas» para el gran público, en 2018 consolida esta expansión.
Estas son las pruebas:
| Date | Race | Country | Distance | Category | |
| 1 | January, 27th | Hong Kong 100 Ultramarathon | Hong Kong, China | 100 km | PRO |
| 2 | February, 10th | Tarawera Ultramarathon | New Zealand | 102 km | PRO |
| 3 | February, 21-25th | Transgrancanaria HG® | Spain | 125 km | SERIES |
| 4 | April, 6-8th | Patagonia Run | Argentina | 160 km | CHALLENGER |
| 5 | April, 6-8th | 100 Miles of Istria Ultratrail | Croatia | 169 km | CHALLENGER |
| 6 | April, 6-16th | Marathon des Sables | Morocco | 250 km – 6 stages | SERIES BONUS |
| 7 | April, 27-29th | Ultra-Trail® Mt. Fuji | Japan | 170 km | PRO |
| 8 | April, 28th | MIUT® Madeira Island Ultra-Trail® | Portugal | 115 km | PRO |
| 9 | May, 10-13th | Penyagolosa Trails HG® | Spain | 109 km | CHALLENGER |
| 10 | May, 17-20th | Ultra-Trail® Australia | Australia | 100 km | PRO |
| 11 | June, 16th | mozart 100® | Austria | 102 km | CHALLENGER |
| 12 | June, 22nd | The North Face® Lavaredo Ultra Trail | Italy | 120 km | SERIES |
| 13 | June, 23rd | Western States 100 Mile Endurance Run | California, USA | 161 km | SERIES |
| 14 | July, 13-15th | Eiger Ultra-Trail® | Switzerland | 101 km | PRO |
| 15 16 17 |
August, 27th – September, 2nd | TDS® CCC® UTMB® |
France, Italy, Switzerland | 119 km 101 km 171 km |
PRO SERIES SERIES BONUS |
| 18 | September, 7-8th | Ultra-Trail® Harricana | Canada | 125 km | CHALLENGER |
| 19 | October, 20-21st | Cappadocia Ultra-Trail® | Turkey | 114 km | CHALLENGER |
| 20 | October, 27-28th | Javelina Jundred | Arizona, USA | 161 km | CHALLENGER |
| 21 | December, 1st | Ultra-Trail® Cape Town | South Africa | 100 km | CHALLENGER |
Proximamente ampliaremos información de las pruebas.