Svenja Würth was in the German Student Cup from the 2004/05 season to the 2007/08 season, where she won the overall ranking in the 2005/06 season. On August 6, 2006, she made her debut in the Continental Cup in Klingenthal, Saxony , and finished 25th, later she jumped in Rastbüchl and Baiersbronn and missed the second round with places 42nd and 39th. In the overall ranking she came in 61st place. She won the silver medal at the German Schoolchildren's Championships in Oberwiesenthal . In the Continental Cup season 2007/08 her best result was 20th place in Bischofsgrün and in the overall standings she reached 54th place. At the Nordic Ski Games of the OPA 2008 in Bois-d'Amont she finished seventh and at the German Championship 2008 in Oberhof she won the silver medal with Carina Vogt as Baden-Württemberg II . The 2008/09 Continental Cup season was mixed. At her home competition in Baiersbronn, she jumped to sixth place in the second competition. In the overall ranking she landed on 32nd place. On December 12th and 13th, 2008, she won the two individual competitions in the German Cup in Rastbüchl. At the Nordic Ski Games of the OPA 2009 in Baiersbronn he finished fifth. The 2010/11 Continental Cup season was mixed, like the previous season. She jumped into the points in every competition except in Schonach, where she just missed the second round with 31st place. In the overall standings she came in 41st place. At the Nordic Junior World Ski Championships 2011 in Otepää , she reached 14th place. In the Continental Cup season 2011/12 she jumped in Bischofsgrün, Oberwiesenthal and at the beginning of winter in Notodden . In the overall ranking she landed on 45th place. On January 7, 2012, she made her debut in the World Cup in Hinterzarten and came in fifth. In the overall World Cup ranking, she reached 15th place. At the Nordic Junior World Ski Championships 2012 in Erzurum , she jumped to 23rd place in the individual and won the silver medal in a team with Ramona Straub, Katharina Althaus and Carina Vogt.
Svenja Würth in flight
At the beginning of the 2012/13 Alpine Cup season, she won second place in Pöhla , then fourth and eighth in Bischofsgrün and 20th in the overall Alpine Cup ranking. In the 2012 Summer Grand Prix she achieved both in Almaty Jump the places ten. In the overall summer Grand Prix standings, Würth came in 16th. In the summer of 2012, Würth became German champion at the German championships in Hinterzarten. At the beginning of the 2012/13 World Cup season , she achieved midfield results. In Schonach she was 29 and 31. In the overall World Cup ranking, she was 32. At her third and last Nordic Junior World Ski Championships in 2013 in Liberec , she jumped to 18th place and in a team with Ramona Straub, Katharina Althaus and Pauline Heßler , she won bronze medal at the Nordic World Ski Championships 2013 in Val di Fiemme she came in 21st place. Right at the beginning of the FIS Cup 2013/14 season, Würth jumped both competitions to a sensational fifth place in Villach and came in 21st in the overall FIS Cup ranking. Two weeks later she started at the 2013 Summer Grand Prix in Hinterzarten. There she finished seventh in the individual and third in the mixed team. In the further course of the Summer Grand Prix, Würth won in the mixed team in Courchevel and was only able to jump out of a good ninth place in the individual in Almaty. At the German Championships 2013 in Oberstdorf she jumped to the penultimate 15th place in the women’s category. In the 2013/14 World Cup season , she only jumped in Lillehammer and Hinterzarten. She was 44 in the overall ranking. At the beginning of the FIS Cup she jumped in fourth place in Hinterzarten and won the second competition. At the 2014 German Championship in Hinterzarten, she narrowly missed the medal ranks with fourth place. In the 2014/15 World Cup season , she finished in the back of almost every competition. At the final of the FIS Cup in Hinterzarten, she won both competitions. At the end of the season, she won the German Cup three times in a row. At the German Junior Championship in 2015, she won the silver medal. In Oberstdorf she achieved sixth place at the 2015 German Championships. At the Summer Grand Prix 2015 in Courchevel she came in 24th place and in the World Cup season 2015/16 she could not deliver good results. Her best result was a 21st place in the first competition in Almaty. In the overall ranking she came in 33rd place.
She started the FIS Cup season 2016/17 very well in Villach with places 28 and four and in Hinterzarten places four and three very well. In the World Cup season 2016/17 she was able to place herself permanently in the top 10 and was nominated again for the Nordic World Ski Championships 2017 in Lahti. Here she reached sixth place in the individual on the normal hill and was nominated for the mixed team competition. Here she won the World Cup gold medal together with Carina Vogt , Andreas Wellinger and Markus Eisenbichler . At the German Championships 2017 in Oberstdorf, she won the silver medal in the Women II category. In the 2017/18 World Cup season , Würth had a serious fall in the first team competition in World Cup history in Hinterzarten and was taken to a hospital. She lost control on landing in the first run and collided with the gang. The injury suffered in the process turned out to be a torn cruciate ligament and prevented Würth from participating in the Olympic Games .
In May 2020, Würth announced that it would switch to Nordic combined with immediate effect .