Patrick is 35; Stenhouse is 30.
A spokeswoman for Patrick confirmed the split to the Associated Press, but requested privacy for the two drivers who have not commented yet.
Rumors of a potential split first surfaced in late November, when Stenhouse, 30, attended the NASCAR Cup Series awards solo.
China: Thousands watch as 10 people sentenced to death
China maintained the death penalty of non-violent offences, like economic crimes and drug trafficking. Thousands watched the spectacle, with some reports saying students in their school uniforms attended.
"The relationship has really evolved into this really comfortable space where we're ... just really happy", Patrick said.
Patrick also revealed she had her eggs frozen "about a year and a half ago". Patrick announced in November 2012 that she planed to divorce her then-husband Paul Hospenthal after being married for seven years, and the divorce was finalized in April 2013. They had no children together.
Danica Patrick probably won't be at as many NASCAR races as we were expecting in 2018. She has competed full time in the NASCAR Cup Series the last five years following a transition from IndyCar.
Her 90-day fitness plan book "Pretty Intense" will be released next week.
- Incendie dans un Hôtel à Québec — DERNIÈRE HEURE
- Cuphead appears on App Store for iPhone & iPad
- Wilson, No. 4 SC down Savannah State 99-38
- Environment Canada says snow in the forecast for Vancouver Island
- Mouvement de panique sur les Champs-Elysées: un homme sort un couteau et agresse un autre individu
- Mondelez International Inc (MDLZ) Shares Sold by Fayez Sarofim & Co
- ThaiBev wins B156bn stake in Vietnam's Sabeco
- Russia's Kaspersky Lab sues Trump administration over product ban
- Rio Tinto starts autonomous retrofits for haul trucks
- Rainbrow lets you game with your eyebrows