Jo Muir

Muir was formerly a runner.^[2] She took up modern pentathlon at the age of 15, having also been involved in tetrathlon.^[3] After finishing her studying, she chose to become a full-time athlete.^[4] She trains at the University of Bath.^[5]

In 2013, Muir made her debut in the Modern Pentathlon World Cup at an event in Palm Springs, California, US.^[6] In 2015, Muir and Francesca Summers came second in the women's relay event at the Junior European Modern Pentathlon Championships.^[7] In 2016, Muir and Samantha Murray finished second in the women's relay event at the 2016 World Modern Pentathlon Championships.^[8] Later in the year, she finished fifth at the 2016 European Modern Pentathlon Championships in Sofia, Bulgaria. It was her first senior European Championship, and she was highest ranked British finisher.^[9] Muir came 16th at the 2018 World Modern Pentathlon Championships.^[10] The same year, she won a 5 miles (8.0 km) running road race in Gelston, Dumfries and Galloway.^[11]

In January 2019, Muir won the Budapest Indoor International event.^[4] In August 2019, Muir came fourth in the individual event at the 2019 European Modern Pentathlon Championships, and won the team event alongside Kate French and Francesca Summers.^[12][13] In January 2020, Muir won the Budapest Indoor International event again.^[5] In February, she won the opening event of the Modern Pentathlon World Cup in Cairo.^[14]

In March 2021, Muir came second in the opening event of the season's Modern Pentathlon World Cup in Budapest, finishing behind fellow Briton Kate French.^[15] She finished fourth in the second and third events of the World Cup,^[16] and finished sixth in the competition's final in May 2021.^[17] Muir was unable to compete in the 2021 World Modern Pentathlon Championships, as all British athletes were withdrawn from the event,^[18] due to the UK Government's COVID-19 restrictions on travel to Egypt.^[19] The World Championships were the last qualifying event prior to selection for the delayed 2020 Summer Olympics.^[20] In June 2021, Muir qualified for the modern pentathlon event at the 2020 Olympics based on her world ranking.^[21] At the time of her qualification, she was ranked sixth in the world,^[21] and she was the only Olympic debutant in the British pentathlon squad.^[22] At the Games, Muir finished 14th;^[23] she finished 33rd in the first fencing section, improved to 15th after the swimming event, before being demoted to 31st after the second fencing tournament. She was 21st after the equestrian event.^[24]

At the 2022 European Modern Pentathlon Championships, Muir came second in the individual event and was part of the British team that won the event.^[25]

Muir is from Haugh of Urr, Scotland.^[17] She attended Castle Douglas High School.^[26] and later studied Sports Performance at the University of Bath,^[3] graduating in 2015.^[7]

• Joanna Muir at UIPM