Thailand's Soraoat Dapbang became the fastest man in Southeast Asia when he won the 100m title at the 32nd SEA Games in Cambodia on Friday.
Soraoat crossed the line in 10.37sec, ahead of Marc Brian Louis of Singapore who clocked 10.39 at Morodok Techo National Stadium in Phnom Penh.
Malaysia's Muhammad Haiqal Hanafi was third in 10.45.
Thailand were without pre-tournament favourite Puripol Boonson, whose campaign to defend his titles at the Games ended prematurely due to injury sustained during the 200m race on Monday.
Soraoat had risen to the occasion to win the 200m gold for Thailand.
Thailand were denied the expected gold in the women's 100m dash in which Singapore's Shanti Pereira (11.41sec) beat Supanich Poolkerd (11.58) to second place. Vietnam's Tran Thi Nhi Yen came in third in 11.75.
There was another gold for the Thai contingent in track and field as Jariya Wichaidit proved too good for the opponents, landing the women's javelin throw title.
Jariya secured the top honours with a throw of 52.60 metres on her sixth and final attempt.
The Philippines' Gennah Malapit (49.55m) and compatriot Evalyn Palabrica (48.31) were second and third respectively.
A leap of 2.28 metres proved enough for Tawan Kaeodam to earn the men's high jump gold medal, easily beating Vietnam's Duc Anh Vu (2.18).
Farrel Glenn and Mohammed Eizlan, both from Malaysia, finished tied for third with jumps of 2.15m.
The Philippines prevailed in the men's 4x400m relay, finishing the race in 3:07.22min ahead of the Thai quartet who were second in 3:07.23.
The Thais took bronze in the women's 4x400m meet, which was won by Vietnam with the Philippines in second place.
In taekwondo, Jiraphong Khetlak and Sasipha Chupon added the men's and women's freestyle poomsae individual gold medals to the Thai haul.
Khetlak scored 6.90 to beat Indonesia's Wawan Saputra (6.88) and Van Huy Hua of Vietnam (6.84).
Sasipha (6.44) finished ahead of Cambodia's Voeun Sitha (6.18) and Myanmar's Nine Akri Soe (5.62).
In fencing, Thailand's Voragun Srinualnad beat Vietnam's Vu Thanh An in the men's sabre final.
In golf, the Thai and women's teams both sealed final places on Friday.
The men's side, led by Ratchanon Chantananuwat, defeated Malaysia 3-0 and will face Vietnam in Saturday's gold medal match.
The women's team, led by Eila Galitsky, beat Cambodia 2-0 and will take on Indonesia in the final.
In boxing, 11 Thais will fight in the finals on Saturday and Sunday.
It is the first SEA Games on Cambodian soil since the event was launched as the South East Asian Peninsular (SEAP) Games in 1959.
The Cambodia Games, which officially started on May 5, end on May 17.