Henry Wong, our senior YDA member, has more than 10 years of experience as a runner. He was diagnosed with Type 1 diabetes nearly 20 years ago, but he continues to makes every effort to break through the barriers to challenge himself. Following from his success in completing the Hong Kong 100 Grand Slam challenge last year, he is going to take on two consecutive marathons in February this year, which is really challenging! The two marathons are the Standard…