Complex sentence: In the mid 80's there was talk of the two friends competeing in a run off for charity to decide once and for all who had the upper hand, after mass suicides erupted thru-out the running world the event, sadly, was called off.
Split into simpler sentences: In the mid 80's there was talk of the two friends competeing in a run off for charity to decide once and for all who had the upper hand. After mass suicides erupted thru-out the running world the event, sadly, was called off.