Luis Carlos Martínez Méndez[a] (born 11 December 1995) is a Guatemalan swimmer.

2019 Pan American silver medalist 100 meter butterfly 2016 Olympian (Guatemala) 2015-2017 World Championships qualifier 3x NCAA All-American The following are Martínez's career timings in his college career:[3] • School's 6th-fastest performer with the 9th-fastest performance (45.72) in the 100 fly.

Recorded 4 of the 22-fastest times in program history • School's 10th-fastest performer (1:43.56) in the 200 fly Senior Season (2017–18) • NCAA All-American as part of the 11th-place 200 free relay, swimming the anchor leg • Competed at NCAAs in the 100 fly (46.21/28th), 200 fly (1:44.48/37th) and 50 free (19.89/44th) • Swam a personal best 100 fly (45.72) at the Bulldog Invite, which made him the 6th-fastest performer with the 9th-fastest performance in school history • Finished 7th in the 100 fly (46.28), 20th in the 100 free (19.90) and 22nd in the 200 fly (1:45.64) at SECs • Swept the fly events at the Texas A&M and Alabama dual meets • Also won the 100 fly at the Tennessee & Wisconsin double dual meet • Swam on a pair of winning relays during the dual meet season Summer 2017 • Swam for Guatemala at the 2017 World Championships in Budapest • Finished 18th in the 50m fly in 23.71, a new Guatemalan record • Finished 21st in the 100 fly in 52.18, a new Guatemalan record • Finished 37th in the 200 fly (2:03.10) Junior Season (2016–17) • Earned NCAA All-America honors as a part of the 200 and 400 medley relay teams • Competed at NCAAs in the 100 fly (45.92/17th) and 200 fly (1:46.53/40th) • Finished 5th in the 100 fly (46.03) at SECs • Also placed 10th in the 200 fly (1:43.56) and 27th in the 200 IM (1:47.76) at SECs • Swept the fly events at the Wisconsin, LSU, Alabama and Tennessee dual meets and won the 100 fly at the Texas dual meet Sophomore Season (2015–16) • 2016 Olympian for his native Guatemala • Clocked a personal-best and national record 52.22 to finish 19th at the Olympics • Qualified for the Olympics by placing third in the 100 fly (52.35) at the AT&T Winter Nationals in Federal Way, Wash. • NCAA participant in the 100 fly (46.83/30th) and 200 fly (1:47.21/41st) • Personal-bests in both the 100 fly (46.22) and 200 fly (1:44.72) came during SEC prelims • SEC 100 fly prelims time is 8th-fastest in Auburn history • Won the 100 fly during the Indiana (47.95), Florida (54.09 - LCM) and Texas (47.45) dual meets Freshman Season (2014–15) • Joined the team in January 2015 after transferring from Missouri S&T • Recorded the third-best time on the team in the 100 fly at 47.09 to pick up an NCAA 'B' cut, but did not earn an invite to the NCAA meet • Took 15th overall in the 100 fly at the SEC Championships, touching in at 47.09 • Was 30th in the 200 fly at the SEC meet with a time of 1:48.03 and placed 36th in the 500 freestyle with a PR time of 4:26.64 • Swam in his first dual meet of his Auburn career against Texas He competed at the 2016 Summer Olympics in the Men's 100 metre butterfly event; his time of 52.22 seconds finished him 19th in the heats but did not qualify him for the semifinals.

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