At the 2013 Biathlon Junior World Championships in Obertilliach, Austria, Dahlmeier took three gold medals in the individual, sprint and relay, as well as a silver in the pursuit. Following this, she was selected for the German team in the women's relay at the 2013 Biathlon World Championships: racing in the third leg, she shot clean and overcame a 38 second deficit to hand over with Germany in the lead. Dahlmeier completed her first full World Cup campaign the following season: she enjoyed further success in World Cup relays, however she was unable to secure a solo podium finish, and did not make an impact at the 2014 Winter Olympics in Sochi, Russia.