3 Days at the Fair 72 Hour RaceIAU BronzeUSAUnited States14–17 May202672hTimefixed time race59M 3535 menF 2424 women
Born to Run Ultra 3 days MarathonUSAUnited States14–17 May20263dTimefixed time race30M 1010 menF 2020 women
Austria Backyard Ultra - Ternberg TrailAUTAustria14 May202618hTimefixed time race52M 4949 menF 33 women
X100 Rund um Münster UltramarathonGERGermany14 May202659kmDistfixed distance race42M 2828 menF 1414 women
Ultra Trail des Géants - L'Ultra TerrestreFRAFrance14–17 May2026224kmDistfixed distance race192M 178178 menF 1414 women
Ultra Trail des Géants - SpeedGoat 128FRAFrance14–16 May2026128kmDistfixed distance race271M 232232 menF 3939 women
Steenwerck 100km Open 24h (nuit)FRAFrance13–14 May2026100kmDistfixed distance race455M 291291 menF 164164 women
Steenwerck 100km course - Championnats de FranceFRAFrance13 May2026100kmDistfixed distance race201M 167167 menF 3434 women
Pallas 67 Ultrameerdaagse - stage 1NEDNetherlands13 May202651.5kmDistfixed distance race13M 1010 menF 33 women
Born to Run Ultra 4 days MarathonUSAUnited States13–17 May20264dTimefixed time race101M 6262 menF 3939 women
Pallas 67 UltrameerdaagseNEDNetherlands13–17 May2026· 5 stages270kmDistfixed distance race7M 55 menF 22 women
3 Days at the Fair 6 Days RaceIAU BronzeUSAUnited States11–17 May20266dTimefixed time race31M 2222 menF 99 women