In March 2017 Judd won the British Inter Counties Ladies’ Cross Country Championships held at Loughborough, earning selection for the British team competing in the World Cross Country Championships later that month in Kampala.

On 5 April 2017, Judd ran 8:52.16 for 3000 metres in Watford, to become only the fourth British woman to have broken two minutes for 800m and nine minutes for 3000m, after Christina Boxer, Kirsty Wade and Hannah England. A month later, again in Watford, she improved her 1500m best to 4:05.20.

In May 2014, Judd led the Prefontaine Classic 800 metres as a season opener. In June 2014, Judd improved her 800 m best to 1:59.77 in Oslo. In August, at the 2014 Commonwealth Games in Glasgow, she reached the 800 m final, finishing fourth in 2:01.91. Two weeks later at the European Championships in Zürich, she again reached the final, finishing seventh in 2:01.65.

On 22 June 2013, Judd won the 800 m at the European Team Championships. She followed this up with victory at the Birmingham Grand Prix on 30 June 2013, running under two minutes for the first time in her career with 1:59.86. At the 2013 UK World Championship trials, she finished second to Marilyn Okoro, earning selection for the 2013 World Championships in Moscow, where she was eliminated in the heats, running 2:01.48.

Judd won a gold medal as a member of the British junior women’s team at the 2012 European Cross Country Championships. She began the outdoor season by running 2:01.09 for 800 m in a BMC event. At the British Olympic trials in June, she finished third, ahead of UK number one Marilyn Okoro. Then in July at the 2012 World Junior Championships, she won a silver medal in the 800  m final in 2:00.96, which is a UK age 17 record. She went on to reach the 1500 m final, finishing fifth and smashing her previous personal best, with a time of 4:09.93 which is another UK age 17 best.

Jessica Judd (born 7 January 1995) is an English middle-distance and cross country runner who competes for Blackburn Harriers AC. She won a bronze medal at the 2011 World Youth Championships and a silver medal at the 2012 World Junior Championships. She holds the UK Under 15 1500 m record and the Under 17 1500 m and 3000m records.