The overall Olympic medal count at the close of day one at the 2016 Rio Summer Games boasted the results of 12 event finals topped by a diverse group of athletes representing 20 different nations around the world. Here's a look at the day's results, including the identities of the three countries that hold the medal tally lead heading into day two.

First day yields three Olympic medal count leaders

A trio of nations hold the top spot on the overall medal standings leaderboard with five medals apiece. Buoyed by a gold medal for teen Virginia "Ginny" Thrasher in the women's 10m air rifle event and a quartet of silver medals (earned by the men's archery team and swimmers Maya DiRado, Chase Kalisz, and the women's 4x100m freestyle relay squad), Team USA is one of the three.

Also holding a share of the top spot is Japan, whose athletes scored a gold medal (for swimmer Kosuke Hagino, who won the men's 400m individual medley) and four bronzes. The third team atop the Olympic medal count standings after day one is China, whose athletes claimed two silver and three bronze medals in shooting, swimming, and fencing events.

Australia and Hungary share gold medal count lead

With three total podium placements, Australia ranks fourth in the overall tally after the first day of Rio 2016 competition. The team tied with Hungary for the most gold medals earned with two, asMack Horton took400m freestyle gold and the women's relay team taking gold and setting a new world record with their 4x100m freestyle effort.

Four nations are tied for fifth place in the overall Olympic medal count with two podium finishes each. Included in the mix are Hungary, South Korea, Italy, and Kazakhstan.

The rest of the nations who appear in thestandings after day one boast a single medal apiece. The gold medal winners hail from:

  • Argentina
  • Belgium
  • Russia
  • Thailand
  • Vietnam

The silver medalists represent:

  • Brazil
  • Denmark
  • Indonesia

The bronze medals, finally, went to athletes from the following countries:

  • Canada
  • Spain
  • Poland
  • Uzbekistan

Day two at the Rio Summer Games will take place on Aug.

7. By day's end, expect to see big changes to theOlympic medal count standings.

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