The Thai League 1, often referred to as T1, is the highest level of the Thai football league system. Contested by 16 clubs, it operates on a system of promotion and relegation with Thai League 2. Seasons typically run from August to May, with each team playing 30 games: two against each other team, one home and one away. It is sponsored by Toyota Motor Thailand and therefore officially known as the Hilux Revo Thai League. In the Thai League, most games are played on Saturday and Sunday evenings, occasionally being played on Wednesday and Friday evening fixtures.
Nakhonpathom United Football Club, formerly known as Nakhon Pathom United, is a Thailand professional football club based in Nakhon Pathom province and currently play in Thai League 1. Their home stadium is Nakhon Pathom Municipality Sport School Stadium. In 2008 season, the club finished at 9th place which became the highest league position in the club history.
BG Pathum United Football Club is a Thai professional football club based in Pathum Thani province and is managed by BG Sports Company Limited which is a subsidiary of Bangkok Glass Public Company Limited. BG Pathum United participates in the Thai League 1.
Kasetsart Football Club is a Thai football club under the stewardship of Kasetsart University based in Bangkok.
The 2010 Thai Premier League was the 14th season of the Thai Premier League since its establishment in 1996. A total of 16 teams competed in the league, with Muangthong United as the defending champions.
The 2013 Thai Premier League is the 17th season of the Thai Premier League since its establishment in 1996. A total of 18 teams are competing in the league. It will begin in 2 March 2013 to 3 November 2013.
Khon Kaen United Football Club is a Thai professional football club based in Khon Kaen province. The club currently plays in Thai League 1, the top tier of the Thai football league system. The club has won the Thai League 3 title in 2019.
Samut Prakan City Football Club is a Thai defunct football club based in Samut Prakan, Thailand. The club last plays in Thai League 2. It was renamed from Pattaya United in 2019, following the owner's decision to rename the club and relocate it to Samut Prakan.
The 2021–22 Thai League 1 is the 25th season of the Thai League 1, the top Thai professional league for association football clubs, since its establishment in 1996, also known as Hilux Revo Thai League due to the sponsorship deal with Toyota Motor Thailand. A total of 16 teams will compete in the league. The season began on 31 July 2021 and is scheduled to conclude in May 2022.
The 2021-22 season is Port's 5th consecutive seasons in top flight after promoted back from Thai League 2 in 2017. Also, as Port finished 2nd in the first half of 2020-21 Thai League 1, they are qualified to the group stage of 2021 AFC Champions League. In this season, Port participates in 4 competitions which consisted of the Thai League, FA Cup, League Cup, and AFC Champions League.
The 2021–22 season is the 106th season of competitive association football in Thailand.
The 2021–22 season is Police Tero's 2nd consecutive seasons in top flight after promoted back from Thai League 2 in 2020. In this season, Police Tero participates in 3 competitions which consisted of the Thai League, FA Cup, and League Cup.
The 2021–22 season is Bangkok United Football Club's 13th in the new era since they took over from Bangkok University Football Club in 2009. It is the 6th season in the Thai League and the club's 11th season in the top flight of the Thai football league system since returning in the 2013 season.
The 2021–22 season is Nongbua Pitchaya's 12th season in existence and the first season in Thai League 1, the top tier of Thai football. In this season, Nongbua Pitchaya competes in 3 competitions which consisted of the Thai League, FA Cup, and League Cup.
The 2022–23 Thai League 1 is the 26th season of the Thai League 1, the top Thai professional league for association football clubs, since its establishment in 1996, also known as Hilux Revo Thai League due to the sponsorship deal with Toyota Motor Thailand. A total of 16 teams will compete in the league. The season began on 12 August 2022 and is scheduled to conclude on 12 May 2023.
The 2023–24 Thai League 1 was the 27th season of the Thai League 1, the top Thai professional league for association football clubs, since its establishment in 1996, also known as Hilux Revo Thai League due to the sponsorship deal with Toyota Motor Thailand. A total of 16 teams will compete in the league.
The 2023–24 season is Bangkok United Football Club's 15th in the new era since they took over from Bangkok University Football Club in 2009. It is the 8th season in the Thai League and the club's 13th season in the top flight of the Thai football league system since returning in the 2013 season.
The 2023-24 season is Port's 7th consecutive season in Thailand's premier division, after being promoted from Thai League 2 in 2017. As Port finished 3rd in the 2022-23 Thai League 1, they qualified to the play-off round of the 2023-24 AFC Champions League. This season, Port will participate in 4 competitions which consist of the Thai League, FA Cup, League Cup, and AFC Champions League.
The 2024–25 Thai League 1 will be the 28th season of the Thai League 1, the top Thai professional league for association football clubs, since its establishment in 1996. A total of 16 teams will compete in the league.
The 2024–25 Thai League 2 is the 27th season of the Thai League 2, the second-tier professional league for Thailand's association football clubs, since its establishment in 1997. also known as Muang Thai League due to the sponsorship deal with Muang Thai Life Assurance and Muang Thai Insurance. A total of 18 teams will compete in the league. The season began on 9 August 2024 and is scheduled to conclude on 24 May 2025.
