Ponce Juarez came out on top by almost 20 seconds at the SESI Centro Esportivo in the Brazilian city, clocking 38min 6.59sec.

Two Kenyan athletes completed the podium, with Serah Kimani second in 38:26.41, and Grancy Kandagor third in 38:38.93.

Nele Alder-Baerens of Germany placed fourth in 40:34.62, with South Korea's Oh Sang-mi fifth in 41:02.90.

Brazil's Jessica Galdino and Kenya's Winn Bugosi both did not finish.

In the women's heptathlon, Slovenia's Leja Glojnaric leads after four events with 2,916 points.

Kateryna Potapenko of Ukraine is her nearest challenger on 2,747, followed by Bulgaria's Nadka Nachova on 2,501.

In the taekwondo competitions at the University of Caxias do Sul Sports Village Gymnasium One, Iran and South Korea both claimed four gold medals.

Alireza Sharifimanesh in the men's under-58 kilograms, Fatemehzahra Zoleikani in the women's under-57kg, Maryam Khodabandeh in the women's individual poomsae, and Morteza Rezasefat Chokami and Khodabandeh in the poomsae pairs all triumphed for Iran.

The country also claimed two silver and four bronze medals in taekwondo.

Lee Hak-seong in the men's under-80kg, Ha Gwan-yong in the men's over-80kg, Lee Jin-young in the women's under-67kg and Choi Min-ho in the men's individual poomsae were the South Korean winners, joined by two silver and two bronze medallists from the country.

The other gold medallists were Greece's Pavlos Liotsos in the men's under-68kg, Merve Yazici of Turkey in the women's under-49kg and Croatia's Matea Kolovrat in the women's over-67kg.

Ukraine clinched the mixed team air pistol title in the shooting at the Clube Caxiense de Caça e Tiro, with Inna Afonchenko and Oleksii Lazebnyk beating South Korea's Min Ji-yun and Kim Ki-hyeon 16-10 in the gold medal match.

South Korea's Chun Ji-won and Kim Tae-young overcame Chinese Taipei's Kao Ya-ju and Liao Juei-yao 16-4 to take bronze.

German defending champion John Allen topped men's golf qualifying, posting rounds of 68 and 69 to finish with 137 at the Golf Club Caxias do Sul.

Compatriot Nico Guldan finished five strokes further back in second, with Canada's Russell Bowie third on 145.

The 2017 silver medallist Diksha Dagar of India topped women's qualifying by 14 shots, impressing with rounds of 67 and 72 to finish on 139.

Ashlyn Grace Johnson of the United States was second on 153, with France's Margaux Brejo one shot further back.

In the women's handball at the University of Caxias do Sul Multi-Sport Gym, Kenya thrashed Argentina 35-3, and Denmark made it three successive wins with a narrow 18-16 triumph over Denmark.

In the men's basketball tournament at the Vasco da Gama Gym, defending champions Lithuania lost 94-78 to Venezuela in a match that was a repeat of the 2017 final.

Ukraine, bronze medallists in 2017, eased past Chinese Taipei 91-35, while Poland hammered Kenya 118-14.

Greece saw off hosts Brazil 67-45, and the US beat Argentina 92-64.

Ukraine lead the medals table with 39 golds at the Deaflympics, followed by the US on 14 and Japan on 10.

Competition is due to run until Sunday (May 15).