He competed in the 2018 Winter Olympics in the mixed doubles tournament with partner Jenny Perret, winning a silver medal.

At the 2012 World Mixed Doubles Curling Championship he was partnered with Nadine Lehmann and at the 2017 World Mixed Doubles Curling Championship he was paired with Perret.

Rios also won a bronze medal at the 2014 European Mixed Curling Championship.

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