Masazumi Soejima

is a Japanese athlete. He is best known as a Paralympian Track and field competitor. He competes in category long distance events.
Marathon.
In 2011, he won the wheelchair division of the New York City Marathon. He completed the course in 1 hour 31 minutes 41 seconds (1:31:41). He dedicated his race to the children in Japan, who were affected by the 2011 Tōhoku earthquake and tsunami and the Fukushima nuclear disaster.
Soejima won the wheelchair division of the Boston Marathon in 2011.
Paralympics.
Masazumi has competed in the marathon in both the 2004 and 2008 Summer Paralympics, 10000m in 2004, 5000m and 1500m in 2008. 
In the 4x400m relay in 2004, he won a bronze medal.