The Fourth Round of the Long-distance Running League and New Year's Eve Long-distance Race, hosted by the General Association of Athletics of Macau, took place in the evening on December 31, 2018. This event attracted over 700 participants. Yu Hin Wa from Hong Kong became the champion for four consecutive years in the men's open group. Wong San San defeated Wu Yang Yang and won the champion in the women's open group.

Held at a different location this year, the New Year's Eve race took place on Avenida Marginal Flor de Lótus, Taipa. Seven hundred and twenty seven long-distance running enthusiasts participated in the event. The route went by Seac Pai Van, Estrada do Dique Oeste and Rotunda Da Piscina Olímpica, etc. and it was around 8 kilometers in length. The route of the youth group was around 4.6 kilometers. Eventually, Hong Kong runner Yu Hin Wa crossed the finishing line with the fastest record 25 minutes 22 seconds, defeating Chan Kai Un and Chan Chan Kit and winning the champion in the men's open group. Iao Kuan Un, who crossed the finishing line as the second fastest runner, won the champion in the middle-aged group. Wong San San from the women's open group achieved the result 31 minutes 36 seconds. She finished the race 1.5 minutes faster than the last year's champion Wu Yang Yang. Ng Un Un was awarded the third place.

The champions in the rest of the groups are: Ip Seng Tou (men's youth group), Wong Man Fan (women's youth group), Iao Kuan Un (men's middle-aged group), Ieong Mei Na (women's middle-aged group), Lam Man Fu (men's progress group 1), Kun Sio Pan (men's progress group 2), Leong Pak Lok (men's progress group 3), Huang Lianfang (women's progress 1), Lam Wai Keng (women's progress group 2), Ho Tin (men's senior group), Iong Weng Lok (men's youth group A), Lao Cheok Hei (men's youth group B), Ao Ieong Wai San (women's youth group A) and Valleste Kristina Andreia Pastorin (women's youth group B).