LONDON (GBR): Abbott has signed a new four-year contract as title sponsors of the World Marathon Majors series, sportbusiness.com reports. The healthcare company began its association with the six-marathon grouping in 2015 and this latest news means they will continue to do so until 2023. Tim Hadzima, general manager of AbbottWMM, said: “With Abbott’s help, we will continue to push forward in pursuit of our goals, chief among them to promote the sport of marathon running throughout the globe. The first four years of our partnership is just the start, and with the new races and initiatives coming, the next four promise to be even more exciting.”