March 12 – The Senate Defenders bagged the first championship title of the UNTV Cup Season 6 after they won against Malacañang-PSC Kamao in the Game 2 of the Finals series at Smart Araneta Coliseum, Quezon City, 84–64. Senate Defenders won the ₱4 million cash prize for their chosen beneficiary[3]
December 8 – The Parañaque Aces defeat the Dasmariñas Ballers Club, in Game 2 of the NBL Finals, also win the series, 2–0, to be crowned as the first inaugural champions.
March 2 – The Ateneo Blue Eaglets won their second championship in 3 years in the UAAP Season 80 Junior's Basketball. The Finals MVP was Kai Zachary Sotto and the Blue Eaglets won their school's 19th UAAP juniors title.
July 2 – A bench-clearing brawl broke out between the Australia and Philippines men's national basketball teams during the 2019 FIBA Basketball World Cupqualifier in Bocaue. With Australia leading by over 30 points with just over 4:00 left in the third quarter, play was halted for a foul. Australia's Daniel Kickert then swung his elbow at Roger Pogoy, immediately leading to both benches clearing and a melee spreading from the bench to one of the baskets. When order was restored and game officials reviewed video of the incident, a total of 13 players were ejected—four from Australia (including Kickert) and nine from the Philippines. This left the hosts with only three players to resume the game; after two of the remaining Philippines players fouled out, leaving that team with only one player, the officials called the game, with Australia winning 89–53.[12]
February 25 – Longest reigning Filipino champion Donnie "Ahas" Nietes pulled off an impressive victory in front of American fight fans by stopping his Argentinean challenger Juan Carlos Reveco in 7 rounds of HBO's "Super Fly 2" in Inglewood, California.[16]
May 26 – Reigning IBF world super flyweight champion Jerwin Ancajas made a fifth successful title defense following a highly dominant performance over fellow Filipino Jonas Sultan at Save Mart Arena in Fresno, California.[18]
June 10 – Albert Pagara won the WBO Intercontinental Super Bantamweight Championship title by gutting out a hard-fought decision against Laryea Odoi. of Ghana at the main event of Pinoy Pride 44 at the Maasin City Sports Complex, Maasin City, Southern Leyte
October 7 – Milan Melindo has failed in his bid to become a world champion again after losing via technical knockout to Ken Shiro of Japan in their World Boxing Council light-flyweight bout in Yokohama, Japan.[22]
November 3 – Nonito Donaire was crowned himself as the new WBA "Super" bantamweight champion and marked his successful return to the 118-pound class after he defeated Irish boxer Ryan Burnett in Glasgow, United Kingdom.[23]
March 16 – The NCAA Season 93 cheerleading competition and closing ceremonies were simultaneously held at the Smart Araneta Coliseum, Quezon City.
July 7 – The 94th season of the National Collegiate Athletic Association (NCAA) as hosted by the University of Perpetual Help System Daltas Was Commenced at the Mall of Asia Arena.
September 8 – The 81st season of the University Athletic Association of the Philippines (UAAP) as hosted by the National University was Opened at the Mall of Asia Arena.
November 17 – NU Pep Squad reclaims the UAAP Season 81 Cheerdance Competition crown held at the Mall of Asia Arena[25]
October 1–9 – The Philippines national team competed in the 2018 Bangabandhu Cup hosted by Bangladesh. The Philippines topped Group B undefeated, but lost 2–0 to Tajikistan in the semi-finals.[32][33]
November 13 – December 6 – The Philippines national team co-hosted and competed in the 2018 AFF Championship. The Philippines finished second in Group B, but lost to eventual champions Vietnam on 4–2 aggregate in the semi-finals.[34][35]
December 6 – Filipino team Kaya FC Elite U13 took home silver after BIS Cruzeiros defended their crown at the Phuket Football Tournament in Thailand.[36]
May 18 – Eduard Folayang beats Kharun Atlangeriev at ONE: Unstoppable Dreams held at the Singapore Indoor Stadium in Kallang, Singapore.
November 8 – Fighters from Team Lakay brought honor to the country after dominating the 2018 Global Martial Arts Awards.[39]
November 9 – A new king in the bantamweight division has been crowned following a split decision victory by Team Lakay's Kevin Belingon over Bibiano Fernandes to capture the ONE bantamweight world title in the main event of 'ONE: Heart of the Lion' fight night at the Indoor Stadium in Singapore.[40]
November 23 – Brandon Vera and Eduard Folayang wins their perspective titles in the ONE Championship 85 at the Mall of Asia Arena in Pasay.[41][42]
– The country ends the year with five World Champions in Folayang, Vera, Joshua Pacio, Kevin Belingon and Geje Eustaquio.[43]
May 19–21 – The 2018 Philippine National Games It will be co-hosted by the City of Cebu and the Province of Cebu, Philippines from May 19 to 25, 2018.[45]
August 21, Weightlifting – Weightlifter Hidilyn Diaz won the Philippines' first gold medal in the Asian Games, capturing the women's 53-kilograms event at Jakarta International Expo Hall A in Indonesia.[47]
August 26:
Golf – Filipino-Japanese Yuka Saso captured the Philippines' second gold medal after ruling the women's golf tournament in the 2018 Asian Games at the Pondok Indah Golf and Country Club in Indonesia.[48]
Golf – Yuka Saso together with Bianca Isabel Pagdanganan and Lois Kaye Go won another gold medal, this time from the golf women's team event in the 2018 Asian Games at the Pondok Indah Golf and Country Club in Indonesia.[49]
August 29, Skateboarding – Athlete Margielyn Didal barely broke a sweat to rule the women's street skateboard competition at the 2018 Asian Games in Indonesia, securing the country's fourth gold medal.[50]
October 6–13, Multi-sport – The Philippines send a delegation of 57 athletes in 18 sports to compete at the 2018 Asian Para Games in Jakarta and Palembang, Indonesia.[51] The Philippines place 11th overall in the medal tally of the games with 29 medals won, including ten gold medals.[52][53][54]
October 7 Swimming (Men's 200-meter Individual Medley) – Para swimmer Ernie Gawilan has made history for the Philippines, as he delivered the country's first ever gold medal in the Asian Para Games in Jakarta, Indonesia.[52]
October 10, Chess – The Philippine chess team wins 3 golds in a 6-medal haul in the 2018 Asian Para Games in Jakarta, Indonesia.[56]
October 14 Sailing: – Philippine Kiteboarder Christian Tio won the Philippines' first silver medal in the Youth Olympics, capturing the boy's IKA Twin Tip Racing event at the Club Náutico San Isidro in San Isidro, Buenos Aires, Argentina.
November 2, Gymnastics – Carlos Yulo became the first Filipino gymnast ever to win bronze medal in the men's floor event of the 2018 World Artistic Gymnastics Championships at Aspire Dome in Doha, Qatar.[57][58]
November 25, Jiu-Jitsu – Meggie Ochoa became the first Filipino to reign supreme on the global jiu-jitsu stage when she gold at the 2018 JuJutsu World Championship in Malmö, Sweden.[59][60][61]
December 10 – Asian Games gold medalist Margielyn Didal is the sole Filipino in Time magazine's list of 25 Most Influential Teens of 2018.[62]
POC and PSC
February 23 – The Philippine Olympic Committee held elections for the post of President and chairman after the 2016 elections results were declared null and void by the Pasig Regional Trial Court. The court required Ricky Vargas and Abraham Tolentino to be candidates for the post of President and chairman respectively.[63] Vargas and Tolentino won over incumbents Peping Cojuangco and Ting Ledesma.[64]
Swimming
Tennis
Volleyball
February 19 − The Arellano Lady Chiefs seals their third championship title in the NCAA season 93 women's volleyball against the San Beda Red Lionesses in 2 games. Regine Anne Arocha acclaimed the Finals MVP title
February 22 – The Perpetual Altas claims the NCAA Season 93 men's volleyball title after beating Arellano Chiefs in a four-setter do-or-die match, 25–23, 25–27, 25–19, 25–23. Perpetual Help's Rey Taneo, Jr. hailed as the Finals MVP.
May 2
The National University Bulldogs are once again the kings of UAAP Volleyball after they defeated the Ateneo Blue Eagles, in four hard-fought sets, on Game 2 of the best of 3 series. The final score was 25–20, 31–29, 22–25, 33–31.[65]
The De La Salle University's (DLSU) Lady Spikers won their 11th championship title, 3rd consecutive title in the season 80 of the UAAP women's volleyball tournament against Far Eastern University's (FEU) Lady Tamaraws in three straight sets: 26–24, 25–20, and 26–24. Dawn Macandili was named the finals' MVP.[66][67]