Anastasia Nielsen began competing internationally at a very young age and quickly progressed through the Junior and Young Rider categories before making her breakthrough at the highest level. At just 20 years old, she is already ranked among the world’s top 110 riders and holds 7th place in the FEI U25 ranking.
Her first international successes came in the youth categories. In 2023, she became Junior European Champion in Gorla Minore with Tailormade Contou, achieving one of the greatest results in Monaco’s history at a championship level. The following year, she confirmed her potential by finishing 4th at the Young Rider European Championships in Kronenbergwith Beau van de Hagenhorst Z, before securing 13th place at the 2025 edition in Riesenbeck.
The real turning point of her career came in 2026 with ESI Rocky. The pair won the CSI5* Grand Prix of Saint-Tropez(1.60 m), the biggest victory of her young career, defeating a world-class field that included several of the sport’s leading riders, notably finishing ahead of Thibeau Spits (BEL, World No.1 U25).
Beyond this prestigious victory, Anastasia Nielsen has become a regular competitor at the world’s biggest international events. With ESI Rocky, Action Man, Dark Chocolate 48, and Beau van de Hagenhorst Z, she regularly competes in CSI5* competitions in Doha, Cannes, Monte Carlo, Saint-Tropez, and Valkenswaard.
Today, Anastasia Nielsen is considered one of the most promising young riders on the international show jumping circuit.
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