“Koivunen was a Finnish soldier, assigned to a ski patrol on 20 April 1944, along with several other Finnish soldiers. Three days into their mission, on 18 March, the group was attacked and surrounded by Soviet forces, from which they managed to escape. Koivunen became fatigued after skiing for a long distance, but could not stop. He was also the sole carrier of army-issued Pervitin, or methamphetamine, a stimulant used to remain awake while on duty. He took them all and had a short burst of energy, but then entered into a state of delirium, and lost consciousness. Koivunen remembered waking up the following morning, separated from his patrol and having no supplies.In the following days, he escaped Soviet forces once again, was injured by a land mine which also set fire to a nearby Russian camp, and laid in a ditch for a week waiting for help. Having skied more than 400 km (248.5 mi) he was found and admitted to a nearby hospital, where his heart rate was measured at 200 beats per minute, triple the average human heartbeat, and weighing only 43 kg (94.8 lbs). In the week Koivunen was gone, he subsisted only on pine buds and a single Siberian jay that he caught and ate raw. He ended up surviving and died peacefully at the age of 71”
Source:
Aimo Koivunen, https://en.wikipedia.org/w/index.php?title=Aimo_Koivunen&oldid=1066574295 (last visited Jan. 26, 2022).
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