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2024 Penn Relays presented by Toyota

Niwot Sophomore Addy Ritzenhein Signs NIL Partnership With On

Niwot Sophomore Addy Ritzenhein Signs NIL Partnership With On

Addy Ritzenhein, the reigning MileSplit50 Athlete of the Year in cross country, signed a Name, Image and Likeness deal with On on Thursday.

Apr 25, 2024 by Cory Mull
Addy Ritzenhein Breaks Down Her New NIL Deal

Amid a star-making year, Niwot sophomore Addy Ritzenhein signed a Name, Image and Likeness deal with On on Thursday, marking the company's first signing of a high school standout.

Ritzenhein, the daughter of On Athletics Club coach Dathan Ritzenhein, has broken through as one of country's brightest talents, in December winning a coveted national cross country title at Nike Cross Nationals. 

That followed a nearly flawless high school season that saw Ritzenhein secure seven wins, including the eighth-fastest 5K performance in the country, a time of 16:44.90 that came in September at the Desert Twilight Invitational. 

Ritzenhein has followed in 2024 with a series of exceptional performances. In March, she finished third in the two mile run at New Balance Nationals Indoor in 9:52.64, a performance that ranks 11th all-time for a high school girl and third-best in the sophomore class in history. 

The next month, at the Arcadia Invitational in California, she posted a mile best of 4:42.56, which stands as a U.S. No. 2 time. 

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