Olivia LaGoy-Weltz
Olivia LaGoy-Weltz is an American FEI dressage rider and trainer, recognized for her success at the international Grand Prix level and her commitment to meticulous horse-and-rider development. Based at her own Mountain Crest Farm, she operates a dual-base program in Haymarket, Virginia, and Wellington, Florida.
Early Career and European Training
Olivia’s equestrian journey began at age five in the San Francisco Bay Area. After high school, she spent five years in Europe (Holland and Germany), where she gained extensive experience working at top sales and competition barns. She credits mentors such as Sandy Howard and Heidi Riddle for her foundational knowledge in rider biomechanics, and has more recently trained under U.S. Olympians Debbie McDonald, Robert Dover, and Lars Petersen.
Professional Coaching & Mentorship
Beyond her own competition record, Olivia is a dedicated educator. In 2025, she was appointed as a U.S. Dressage Assistant Pathway Coach, a role focused on identifying and developing future talent for the U.S. equestrian teams. At Mountain Crest Farm, she focuses on a holistic approach that balances technical riding skills with a deep attention to the horse's physical and mental well-being.
Competitive Highlights with Rassing's Lonoir
Olivia’s most notable partnership has been with Rassing’s Lonoir ("Lono"), a Danish Warmblood gelding. Together, they reached the pinnacle of international dressage:
U.S. Team Representation: Members of the gold-medal-winning team at the 2017 CDIO5* in Rotterdam and competitors at the Nations Cup in Aachen.
Championship Reserve: Served as the traveling reserve for the 2015 Pan American Games and the 2018 World Equestrian Games (WEG). She was also the non-traveling alternate for the Tokyo Olympics.
World Cup Qualification: Olivia qualified for both the 2020 and 2021 FEI World Cup Finals, though both events were ultimately canceled.
Top Rankings: In 2021, the pair achieved a personal best score of 83.57% in the Grand Prix Freestyle in Wellington.
Select Accomplishments
USDF Gold, Silver and Bronze Medalist
2022 Developing Prix St. George Champion
2020 and 2021 FEI World Cup (Unfortunately both of these World Cups were canceled so she was unable to compete)
2020 USDF Regional and Finals Champion 4th level
2020 Toyko reserve
2018 Would Equestrian Games Traveling Alternate
2017 - Rotterdamn CDIO5* Team Gold
2015 - Traveling Alternate for USA Pan American Games Dressage Team
2014 - USEF National Championships Intermediar - 3rd Place
2012 - USDF Region 2 Open GP Champion, and Open I-2 Reserve Champion
2011 - USEF National Championships FEI Young Rider Grand Prix 1st Place, Overall Brentina Cup Reserve Champion