The Huati Group/FINA World Marathon Swimming Series Finals was held in Abu Dhabi, UAE, from 15-16 December 2021.
On the first day, the open water swimming 4x1500m relay race was held. On the second day, the German team won the men's and women's championships in the 10 km marathon: Tokyo Olympic champion Verbrock won the gold medal in the men's group with a time of 1 hour 48 minutes and 9 seconds 40 seconds, and Baker, the third runner-up at the 2019 FINA Gwangju World Championships, won the gold medal in the women's group with a time of 1 hour 58 minutes and 17 seconds.

The specific results are as follows:
Men's 10 km marathon swimming
Gold: Verbrock (Germany) 1:48:09.40
Silver Medal: Acelenza (Italy) 1:48:12.00
Bronze: Lasovński (Hungary) 1:48:23.60
Women's 10km Marathon
Gold medal: Baker (Germany) 1:58:17.00
Silver Medal: Cunha (Brazil) 1:58:19.30
Bronze: Van Looendaal (Netherlands) 1:58:22.10
After the match, the overall champion of the year (that is, participated in more than 50% of the series this year , including the last one and the highest points player): the runner-up of the Tokyo Olympic Games , Hungary's Lasovsky became the men's champion of the year; France's Casinho, tied for the first place with Brazil's Cunha in the annual points.