Marilyn Chinwenwa Okoro is a British track and field athlete. She finished third in the 800 metres at both the 2007 and 2008 IAAF World Athletics Final. She was on the bronze winning 4 × 400 m relay at the 2007 World Championships in Athletics. She represented Great Britain at the Beijing Olympic Games in 2008 and finished sixth (1:59.53 mins) in the semi-finals. She was part of the 4 × 400 m relay team which finished fifth in the final of the 2008 Summer Olympics although the team was later upgraded to bronze medal position following disqualification for doping offences of the teams finishing in third and fourth place.

Jennifer Brenda "Jenny" Meadows is a retired British athlete. Her main event was the 800 metres, although she previously competed also over the 400 metres. She won the bronze medal at the 2009 World Championships, and a silver at the 2010 World Indoor Championships. At the European Athletics Championships, Meadows took silver outdoors in 2010 and gold indoors in 2011. She also had some international success as part of the Great Britain women's 4 x 400 metres relay squad.