Former World Cup-winning footballer Kaka will make his debut at the Berlin Marathon on Sunday, saying he was "just as excited as I used to be before football matches."
Kaka's dream of competing in his first Copa America was shattered as he suffered a hamstring injury at Brazil's training base in Los Angeles
Kaka was the last Brazilian to win the the prestigious Ballon d'Or in 2007.
Kaka has been called up to replace injured midfielder Philippe Coutinho in the squad for Brazil's opening 2018 World Cup qualifiers against Chile and Venezuela.
Captain Kaka and David Villa netted a goal each to help Major League Soccer All-Stars edge English Premier League team Tottenham 2-1.
Kaka, the former Milan and Real Madrid star edged Toronto's Sebastien Giovinco, the former Juventus striker from Italy on $7.115 million, while such high-profile new arrivals as England's Frank Lampard and Steven Gerrard saw their compensation made public as well, the duo among 21 MLS players who will crack the $1 million mark this year.
Having missed selection for last year's World Cup, Kaka was recalled by Dunga in October for international friendlies against Argentina and Japan.
The 33-year-old Kaka was left out of Brazil's World Cup squad last year but earned a recall by coach Dunga for friendlies against Argentina and Japan in October, Xinhua reported.
Kaka is currently playing as an attacking midfielder for American Club Orlando City in Major League Soccer. His contract with the MLS club will expire this year.
Kaka was given a rousing reception after his team's 1-1 draw with Figueirense on Sunday, his last home match before joining new US Major Soccer League franchise Orlando City.