[citation needed] He dominated the major contest scene between 2000 and 2002 as the winner of the BMX - flatland event at X Games VIII and has competed in and won a number of contests all over the world, such as the BMX Worlds in Germany in 2002.
At the heart of Ground Tactics is "hardcore flatland skills" and the promotion of originality and creativity.
On October 25, 2015, Martti came out of retirement and won FlatArk, one of the biggest flatland BMX contests in recent years.
Specifically, Martti was required to defeat the 2015 World Champion in order to advance to the final round of the competition.
Martti Kuoppa held two Guinness World Records for a time that he set in 2001: "Martti Kuoppa inscrit son nom au Guinness Book of Records with rolling no-footed on the front wheel of his bike for 100 meters and doing 59 pinky squeaks in a minute.