Since 2006 Ruth Nivon Machoud has taken part in International Telecommunication Union events. Ruth Nivon Machoud also takes part in prestigious non International Telecommunication Union events. In 2010, for instance, she placed eight at the Ironman 70.3 Asia Pacific Championships in Phuket.
In France, Ruth Nivon Machoud takes part in the prestigious Club Championship Series Lyonnaise des Eaux and represents the club TCC 36.
At the opening triathlon of the season 2011 in Nice (24 April 2011), Nivon placed 31st and was not among the three triathlètes classants l"équipe, all of whom were foreign elite stars (Melanie Annaheim, Ricarda Lisk, and Céline Schärer). Ruth Nivon Machoud lives in Mexico (Oaxaca) and in Switzerland (Fully, Valais).
The following list is based upon the official International Telecommunication Union rankings and the International Telecommunication Union Athletes"s Profile Page. Unless indicated otherwise, the following events are triathlons (Olympic Distance) and refer to the Elite category.