We pick out three performances every day in My Personal Best, measured by Omega.

The Buenos Aires 2018 Youth Olympic Games has seen its fair share of athletes outdoing themselves, setting new personal bests en route.

We've selected some of the top performances put in by competitors, in #MyPersonalBest as measured by Omega, Official Timekeeper.

Loubna Benhadja, Baptiste Thiery, Gudbjorg Jona Bjarnadottir 

Algeria's Loubna Benhadja picked up silver over 400m hurdles setting a new personal best of 59,70. France's Baptiste Thiery claimed pole vault gold clearing a personal best 5.32m with his final effort at the height. Gudbjorg Jona Bjarnadottir of Iceland won the women's 200m improving her personal best to 23,47 along the way.

Xing Jialiang, Yaroslava Mahuchikh, Joshua Cowley

China's Xing Jialing won silver in the shot put after unleashing a personal best of 20.89m, while Ukraine' Yaroslava Mahuchikh clinched high jump gold by clearing a new personal best of 1.95m. Aussie long jumper Joshua Cowley produced an extraordinary four personal bests jumps en route to his silver medal effort of 7.82m.

Gracjan Kozak, Chen Long, Oscar Miers

Poland's Gracjan Kozak threw a personal best to clinch bronze in the men's discuss throw while China's Chen Long jumped to victory in the high jump narrowly edging out Australia's Oscar Miers who also recorded a personal best.

Elina Tzengko, Giacomo Casadei, Gudbjorg Jona Bjarnadottir

Greece's Tzengko hurled further than the rest of the field to lead the women's javelin throw after Stage 1, Casadei of Italy produced the fastest clear round in the individual equestrian jumping, and Bjarnadottir blazed clear of the pack in her women's 200m Stage 1 heat.

Aliaksei Aleksandrovich, Mayuka Yamamoto, Rawan Ayman Ibrahim Barakat

Aleksandrovich of Belarus sits in second place after Stage 1 of the men's shot put, a new PB good enough for Japanese swimmer Yamamoto to take women's 50m freestyle silver, and Egyptian Ayman Ibrahim Barakat achieved a new PB in the women's hammer throw for second place in Stage 1.

Huy Hoang Nguyen, Peyton Brown, Connor Bell

Day 5's top performances included Vietnamese swimmer Nguyen who won the men's 800m freestyle with a storming new PB on the last day of swimming action at Buenos Aires 2018. Brown of the United States lifted a new personal record to collect bronze in the women's 58kg weightlifting. And New Zealand's Bell leads the men's discus throw after Stage 1 of the athletics competition.

Thomas Ceccon, Ivan Tyshchenko, Russian Federation men's 4×100m medley relay team

Ceccon's fifth medal of Buenos Aires came with a new personal best on Day 4 as the Italian took home gold in the men's 50m freestyle. Ukrainian rower Tyshchenko won his country's second gold of the Games in the men's single sculls. And the Russian Federation set a new junior world record in the men's 4×100m medley relay.

Andrei Minakov, Sabina Baltag, Barbora Seemanova

Russian Federation's Minakov broke his old personal record en route to winning the men's 100m butterfly final, Romanian weightlifter Baltag lifted heavier than she had ever done to clinch the women's 53 kg category, and Seemanova of the Czech Republic claimed gold in the women's 100m freestyle with her fastest time in the final.

Dylan McCullough, Yineth Milena Santoya, Finlay Knox

Day 2's new bests came from McCullough, who won New Zealand's first gold of the Buenos Aires Games in the men's triathlon, Colombian weightlifter Santoya who took gold in the women's 48 kg, and Canada's Knox who clinched bronze in the pool in the men's 200m individual medley.

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