Details here: http://www.letsrun.com/news/2015/04/how-to-watch-the-london-marathon-without-knowing-the-results/
Free 7 or 30 day trial available. You can pay $10 a month if you just want to watch Olympic sports, Soccer, international sports, and International News or can pay $25 a month and get ESPN, TNT, TBS, AMC, Adult Swim, Disney Channel, Food Network, HGTV, Cartoon Network, and others +Universal Sports, ESPNU, ESPNEWS, the SEC Network, & beIN Sports. HBO is an option for an extra $15.
With the free trial its a no brainer if you want to test it out and watch London and World Relays next week on Universal.
Info here: http://www.letsrun.com/news/2015/04/how-to-watch-the-london-marathon-without-knowing-the-results/