The 25-year-old stormed to victory in 10.71sec to lower the previous best held by compatriot Richard Browne, who chose not to compete due to the impending birth of his child, by 0.04 seconds.

Brazil’s Alan Oliveira took silver with a time of 10.98, while his team-mate Andre de Oliveira came away with bronze in 12.33.

"I was praying the wind was legal," said Wallace.

"I was excited and elated when I saw the time and my first thought when I saw it was 'please be legal'.

"I'm overwhelmed a little bit.

"I wish Richard [Browne] could have been here as the conditions were amazing.

"He would have pushed me and I would have pushed him and maybe it would have been even faster.

"Everything considered I was really happy with how I ran."

In the men's 100m T52, the United States completed a clean sweep of the medals, with five-time world champion Raymond Martin setting a winning time of 17.01 to beat Gianfanco Iannotta and Paul Nitz to the line. 

The US also dominated the podium in the men's 100m T42 as Shaquille Vance set a Games record time of 12.69 to secure gold, while Regas Woods took silver and Desmond Jackson claimed bronze.

Hannah McFadden ensured the US’s final track gold of the day, winning the women's 400m T54 in 1:00.15 ahead of team-mate Cheri Madsen, with Canada's Diane Roy taking bronze.

The first of six track gold medals for Brazil went to Yeltsin Ortega Jacques in the men’s 5,000m T12 before Edson Pinheiro claimed the men's 100m T38 crown. 

Three golds followed in quick succession for the Rio 2016 hosts as Gustavo Faria Araujo, Mateus Evangelista Cardoso and three-time Paralympic champion Terezinha Guilhermina won the men's 100m T13, the men's 100m T37 and the women's 100m T11 respectively.

Brazil's final track gold of the day came in the men's 400m T11 as Felipe De Souza Gomes beat team-mate Daniel Silva.

In the field events, Brazil's Shirlene Coelho and Mexico's Angeles Ortiz retained their Parapan titles in the women's javelin F37/38 and shot put F56/57 respectively.

Colombia's Abrahan Ortega set an Americas record of 13.78 metres on his way to gold in the men's shot put F46, while the US’s Dion Townsend-Roberts also broke an Americas record in the final round of the men's long jump T47 to take gold with a leap of 7.18m.

Meanwhile, the fourth evening of swimming saw Canada enjoy further success with three gold medals.

Katarina Roxon gave the host country their first, winning the women's 100m breaststroke SB8 with a time of 1min 22.18sec.

The US’s Anna Johannes took the silver, while Brazil’s Gabriela Cantagallo claimed the bronze.

Canada secured a clean sweep of the podium in the men’s 400m freestyle S10 as Benoit Huot claimed the gold with a time of 4:10.04 ahead of team mates Isaac Bouckley and Alexander Elliot.

Aurelie Rivard won Canada’s third gold medal of the evening in the women's 400m freestyle S10 with an Americas record time of 4:33.40, while Mexico’s Rubi Cristino and the US’s Serafina King touched in for silver and bronze respectively.

On the final day of powerlifting, Mexico won their third gold in nine events to top the medals table in the sport.

José Castillo Castillo sealed gold for his country with an Americas record lift of 225 kilograms in the men’s up to 97kg, while Colombia’s Fabio Torres claimed the silver ahead of Chile’s Frank Feliu Ubillas, who collected bronze.

There were also gold medals for Brazil’s Joseano Felipe in the men’s up to 107kg and over 107kg class, as well as Cuba’s Oniger Jesus Drake Vega in the men's up to 88kg.

In cycling, America's Joe Berenyi battled hometown favorite Mike Sametz in the final to win the men’s individual pursuit C1-3.

Fellow American Samantha Heinrich had to settle for silver in the women's individual pursuit C1-5 with Argentina's Mariela Delgado topping the podium. 



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