At the age of 15, she placed second at the European Championships in Aguilas (1 September 2012) in the Team Relay Youth category (16–17 years).

In 2013 and 2014, Beaugrand also took part in ITU Elite races although she still belonged to the Youth category: at the French Championships on 29 September 2013 she placed fourth and at the European Sprint Cup in Bratislava (18 May 2014) she won the silver medal.

Beaugrand is also the French 2013 and 2014 Youth Champion in cross country,[8] and in 2013 and 2014 she also set the new national records for 1500m in her age class (youth/cadette).

[9] On 27 October 2014 Beaugrand also set a new youth record on the 10 km distance (called semi-marathon or Voie Royale) in Saint-Denis.

[citation needed] The local swimming club CN Antibes served as her training base.