He used it to help prepare for racing the full - distance in the Yukon River Trail Marathon next month .
Sunday marked Eikelboom 's fifth time in the race , finishing second in 2012 .
Eikelboom used it to help prepare for racing the full - distance in the Yukon River Trail Marathon next month .
Sunday marked Eikelboom 's fifth time in the race , finishing second in 2012 .