As a couple of you guessed this mystery posting ( http://dreamsofspace.blogspot.com/2012/08/the-martian-olympics-1960.html) is the fictional story by Wernher von Braun as illustrated by the wonderful Fred Freeman. I had seen illustrations from the story before but had never read it. I was lucky enought to get copies of the 3 issues it appeared in.
The story text appeared in columns, so for readability I will reproduce it that way.
The story starts...
This story will be stretched out over a number of postings so hang on for more adventures on Mars!