He fought at King Håkon's side during the rebellion of duke Skule Bårdsson in May 1240.
In 1261 he was one of the leaders of the Norwegian delegation who took princess Ingebjørg Eiriksdotter, the daughter of Eric IV of Denmark, out of the convent in Horsens (dominikanerkloster ved Horsens) to bring her to Norway as the bride of the king's son, Magnus Håkonsson.
In 1263, King Håkon armed a great force and traveled to the land of Scotland, to protect the Hebrides and to attack the Scottish mainland, which had been under attack from King Alexander III of Scotland.
Ogmund took part in King Håkon's expedition and led a contingent of the Norwegian forces at the Battle of Largs on the Firth of Clyde in Scotland.
[2] The main source of the life and career of Ogmund Crouchdance is Håkon Håkonssons saga.