Career
As a result, he earned the Svenska Dagbladet Gold Medal that year for his championship successes. Rönnlund was the anchorman of the Swedish 4 × 10 km relay team at the 1964 Winter Olympics in Innsbruck, bringing the team from fourth place to victory. After retiring from active competition he was hired in 1972 by The Swedish Radio Corporation as a cross-country skiing commentator.
He gained nationwide popularity working in a duo with Åke Strömmer.
Rönnlund retired from broadcasting after the 2003 FIS Nordic World Ski Championships. Rönnlund was married to fellow Swedish cross-country skier Toini Gustafsson, a 1967 Holmenkollen medalist.
They had two children together, plus one from the previous marriage of Gustafsson. They became the second husband-wife team to earn this honor.
Rönnlund died on 5 January 2011 after a period of illness.