20 19 isn't the fifth central marathon broadcast live?

According to the news from the running circle, the key to CCTV's five sets of future live broadcast series "Run China" may lie in advertising cooperation. I remember one year when the inside story just came out, the publicity before Wuxi Marathon could be broadcast live on CCTV. Later, CCTV made a new regulation that Wuxi Marathon could not be broadcast live, so Wuxi Marathon cooperated with Run China to add Sima to the series Run China, and finally got the live broadcast ~