Danny Asmara did his first marathon run in 2008 as a personal challenge after gaining full mobility following a motorbike accident. Ten years on, the teacher completed 100 marathons in 5 countries and 30 cities. 20 of these were ultramarathons. His 100th was the Sundown Marathon on 19 May 2018 at age 39. In fact he ran in all 10 editions of the Sundown Marathon.