Update: The Flexifoil website has some more info on the Combat:
Aaron Hadlow vs Ruben Lenten in Tarifa This Weekend The Biggest Kitesurf Event in Tarifa this weekend 9th & 10th of May In the left corner, the 5x World champion Mr. Aaron Hadlow weighing in at 70 kg and 9 with years of experience... And in the right corner, Mr. Ruben Lenten, nicknamed “MegaLoopMAN†weighing in at 71 kg and 8 years with lots of power and entertainment.
They fight for the title that all riders want “To Be The Most Extreme!†The “Ring†will be on the best beach in Tarifa, Valdevaqueros, and the spectators on the beach will decide which one is more extreme.
Check the trailer for the one on one mortal kite combat between 5 times world champion Aaron Hadlow and Extreme kiteloop King Ruben Lenten!
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The PKRA in Tarifa is canceled so I guess they thought let's entertain the crowds which of course allready booked their tickets to the windcity of Europe