Top-15 Photos: Parapan American Games Day Four

By U.S. Paralympics | Aug. 12, 2015, 9:17 a.m. (ET)

Team USA continued its medal surge on Tuesday in Toronto, earning 20 medals on the track, nine in the pool and three in the velodrome. In track & field competition, Jarryd Wallace sprinted to a world record in the men’s 100-meter T44, while U.S. athletes earned podium sweeps in the men’s 100m T52 and T42 classes. The women’s goalball team recorded its third 10-0 shutout over Guatemala, while men’s goalball fought to a thrilling 11-10 win against Argentina. Wheelchair rugby, women’s wheelchair basketball and men’s and women’s sitting volleyball all maintained their undefeated streaks, recording victories over Colombia, El Salvador and Brazil respectively.

A new world record and two podium sweeps on the track

Mikey Brannigan soaks in his gold-medal moment on the podium after winning the men's 5000m T20.

Jarryd Wallace sets a new world record of 10.71 in the men's 100m T44.

David Brown (left) and his guide runner Jerome Avery celebrate on the podium after winning the men's 100m T11.

Tobi Fawehinmi competes in the men's long jump T47. Fawehinmi won a silver medal, while his U.S. teammate Roderick Townsend took gold.

Regas Woods (left, silver), Shaquille Vance (center, gold) and Desmond Jackson (right, bronze) sweep the podium in the men's 100m T42.

Hannah McFadden claimed her first international win as she took first in the women's 800 T54.

U.S. swimmers collect nine more medals and set two Parapan Am records

Anna Johannes dives off the blocks in the women's 100m breaststroke SB8. Johannes won a silver medal in the event.

Sophia Herzog (left) and Reilly Boyt earned silver and gold medals respectively in both the women's 100m breaststroke SB6 and women's 200m IM SM5-6.

Berenyi is golden again at the velodrome

Joe Berenyi is one of the most decorated athletes at the 2015 Parapan American Games so far, with two gold medals in track cycling and an additional gold in the road race.

The U.S. earned three medals in the track cycling individual pursuit, including gold for Samantha Heinrich (right), bronze for Shawn Morelli (left) and gold for Joe Berenyi.

Women's wheelchair basketball still undefeated

Rose Hollermann shoots and scores in the United States' 77-8 win over El Salvador.

Abby Dunkin led Team USA in scoring with 17 points on Tuesday night.

Megan Blunk takes the ball down the court in Team USA's 77-8 rout of El Salvador. 

Table tennis players start strong in doubles competition

The U.S. doubles team of Tahl Leibovitz and Lim Ming Chui defeated Puerto Rico and Argentina in men's team class 9-10 preliminary play.

Ari Arratia (left) and Daryl Sterling, Jr., took the win over Costa Rica in the first men's team class 6-8 preliminary round match.