Mary Joy "MJ" Reyes Tabal-Jimenez OLY (born July 13, 1989) is a Filipino marathon runner.

Tabal, a veteran of local and international marathons, made her official debut at the 2003 Southeast Asian Games in Hanoi, Vietnam and has won a silver medal in the women's marathon competition in the 2015 Southeast Asian Games in Singapore, and a gold medal in the 2017 SEA Games in Kuala Lumpur Malaysia [1] and won the women's division title in the National Milo Marathon Finals for six straight years, 2013, 2014, 2015, 2016, 2017 and 2018.

[8] On July 13, 2016, the Philippine Athletics Track and Field Association (PATAFA) reinstated Tabal in the national team, a year after she resigned due to conflicts between training and sponsorship agreements with Motorace Racing, Tabal's sponsor,[9] but it was removed from the association's national team in September 2016, days after her Olympics stint.

[10] At the first day of the 29th Southeast Asian Games on August 19, 2017, Tabal gave the country's first gold medal after dominating the 42 km women's marathon event with an official time of 2 hours, 48 minutes and 26 seconds.

[11] In 2018, actress Sharlene San Pedro portrayed Tabal's life story in Maalaala Mo Kaya's episode entitled Rubber Shoes which was aired last February 24, 2018.