1. 20 Nov
    U.A.I. Reverse - X Hard

    235 km · Passa Quatro, MG, Brazil

    5,540 m D+ · 21 finished last edition · 60 h limit

  2. 20 Nov
    Extremo Sul Ultramarathon

    226 km · Chui, RS, Brazil

    54 finished last edition · 54 h limit

  3. 20 Nov
    Coast to Kosci Ultramarathon

    240 km · Eden, NSW, Australia

    2,500 m D+ · 47 finished last edition · 48 h limit

  4. 7 Nov
    Route 66 UltraRun Journey

    225 km · Seligman, AZ, United States

    8 finished last edition

  5. 7 Nov
    Route 66 UltraRun Crewed

    225 km · Seligman, AZ, United States

    8 finished last edition

  6. 11 Nov
    Mons Ultra Trail 200mi

    322 km · Nova Trento, SC, Brazil

    24 finished last edition · 88 h limit

  7. 12 Nov
    Mjølner Trail & March - Run to Valhalla

    248 km · Rønne, Denmark

    1 finished last edition · 48 h limit

  8. 5 Nov
    Grampians Peak Trail 100mi (GPT100)

    161 km · Horsham, VIC, Australia

    7,510 m D+ · 100 finished last edition · 53 h limit

  9. 30 Oct
    Kullamannen Ultra 100 miles

    173 km · Höganäs, Sweden

    314 finished last edition

  10. 31 Oct
    Javelina Jundred

    161 km · Fountain Hills, AZ, United States

    1,919 m D+ · 491 finished last edition · 30 h limit

  11. 23 Oct
    Lommedalen Rundt 100Miles

    161 km · Lommedalen, Norway

    6,160 m D+ · 1 finished last edition

  12. 13 Nov
    Mons Ultra Trail 100mi

    161 km · Nova Trento, SC, Brazil

    8,660 m D+ · 20 finished last edition · 40 h limit

  13. 7 Nov
    Buddhas Palm 100km Ultramarathon

    100 km · Tamsui District, Taiwan

    3,202 m D+ · 215 finished last edition · 16.5 h limit

  14. 21 Nov
    Ultra-Trail Cape Town

    100 km · Cape Town, South Africa

    4,300 m D+ · 216 finished last edition · 24 h limit

  15. 24 Oct
    Bondi to Manly Ultra

    80 km · Bondi, NSW, Australia

    1,772 m D+ · 728 finished last edition

  16. 14 Nov
    FunTrails50K Round

    50 km · Chichibu, Saitama Pref., Japan

    2,850 m D+ · 622 finished last edition · 12 h limit

That is a ranked slice, not the calendar — see all 456 upcoming events on the race list or the calendar.