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| Bay Area 100scenaperformance.com/events/bay-area-100/ (opens in a new tab) |  United States | BerkeleyUnited States | scenaperformance.com/events/bay-area-100/ (opens in a new tab) |
| Marys Peak Trail Runoregontrailruns.com/marys-peak-trail-run (opens in a new tab) | United States | BlodgettUnited States | oregontrailruns.com/marys-peak-trail-run (opens in a new tab) |
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| Comrades Marathoncomradesmarathon.co.za (opens in a new tab) |  South Africa | PietermaritzburgSouth Africa | comradesmarathon.co.za (opens in a new tab) |
| Eifelmarathon Waxweilereifelmarathon.com (opens in a new tab) |  Germany | WaxweilerGermany | eifelmarathon.com (opens in a new tab) |
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| Zugspitz Ultra Trail by UTMBzugspitz-ultratrail.com (opens in a new tab) | Germany | Garmisch-PartenkirchenGermany | zugspitz-ultratrail.com (opens in a new tab) |
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| Nordmarka Skogsmaratonnordmarkaskogsmaraton.no (opens in a new tab) |  Norway | OsloNorway | nordmarkaskogsmaraton.no (opens in a new tab) |
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| Marathon du Mont-Blancmarathonmontblanc.fr (opens in a new tab) |  France | Chamonix-Mont-BlancFrance | marathonmontblanc.fr (opens in a new tab) |
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| SachsenTrailsachsentrail.de (opens in a new tab) | Germany | BreitenbrunnGermany | sachsentrail.de (opens in a new tab) |
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| Losheimer Trailfesttrailfest.de (opens in a new tab) | Germany | Losheim am SeeGermany | trailfest.de (opens in a new tab) |
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| Texoma Challengetexasoutlawrunning.com/texoma (opens in a new tab) | United States | DenisonUnited States | texasoutlawrunning.com/texoma (opens in a new tab) |
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| Mac Mac Ultramacmacultra.com (opens in a new tab) | South Africa | SabieSouth Africa | macmacultra.com (opens in a new tab) |
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| Gornergrat Zermatt Marathonzermattmarathon.ch (opens in a new tab) |  Switzerland | ZermattSwitzerland | zermattmarathon.ch (opens in a new tab) |
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| U. Trail Lamer Winkelutlw.de (opens in a new tab) | Germany | LamGermany | utlw.de (opens in a new tab) |
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| Gran Trail Courmayeurgtcourmayeur.com/fr (opens in a new tab) |  Italy | CourmayeurItaly | gtcourmayeur.com/fr (opens in a new tab) |
| Paznaun Ischgl Ultra Trailpaznaun-ischgl.com/en/piut-homepage (opens in a new tab) |  Austria | SeeAustria | paznaun-ischgl.com/en/piut-homepage (opens in a new tab) |
| Lakeland Trails Ultralakelandtrails.org/ultra (opens in a new tab) |  United Kingdom | AmblesideUnited Kingdom | lakelandtrails.org/ultra (opens in a new tab) |
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| Trail du Pays Welchetraildupayswelche.org (opens in a new tab) | France | OrbeyFrance | traildupayswelche.org (opens in a new tab) |
| Mt Hood Trail Runsgobeyondracing.com/races/mt-hood-50/ (opens in a new tab) | United States | Government CampUnited States | gobeyondracing.com/races/mt-hood-50/ (opens in a new tab) |
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| Vermont 100 Endurance Racevermont100.com (opens in a new tab) | United States | KillingtonUnited States | vermont100.com (opens in a new tab) |
| Ouray 100 Mile Endurance Runouray100.com (opens in a new tab) | United States | OurayUnited States | ouray100.com (opens in a new tab) |
| The Guzzler Ultratheguzzlerultra.com.au (opens in a new tab) |  Australia | BrisbaneAustralia | theguzzlerultra.com.au (opens in a new tab) |
| Engadin Ultra Trailengadinultratrail.ch (opens in a new tab) | Switzerland | SamedanSwitzerland | engadinultratrail.ch (opens in a new tab) |
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| Eiger Ultra Traileiger.utmb.world (opens in a new tab) | Switzerland | GrindelwaldSwitzerland | eiger.utmb.world (opens in a new tab) |
| Zagori Mountain Runningzagorirace.gr/en (opens in a new tab) |  Greece | ΤσεπέλοβοGreece | zagorirace.gr/en (opens in a new tab) |
| Maintal Ultratrailmtut.de (opens in a new tab) | Germany | VeitshöchheimGermany | mtut.de (opens in a new tab) |