| Medal record | ||
|---|---|---|
| Track and field (P42) | ||
Representing  Denmark | ||
| Paralympic Games | ||
 | 2000 Sydney | Javelin throw F42 |
| 2004 Athens | Javelin throw F42 |
 | 1996 Atlanta | Javelin throw F42 |
| 2000 Sydney | Pentathlon P42 |
 | 1996 Atlanta | Pentathlon P42 |
Jakob Mathiasen is a Paralympian athlete from Denmark competing mainly in category P42 javelin throw events.
He competed in the 1996 Summer Paralympics in Atlanta, United States. There he won a silver medal in the men's Javelin throw - F42 event, a bronze medal in the men's Pentathlon - P42 event and finished eighth in the men's High jump - F42-44 event. He also competed at the 2000 Summer Paralympics in Sydney, Australia. There he won a gold medal in the men's Javelin throw - F42 event, a silver medal in the men's Pentathlon - P42 event, finished eighth in the men's Discus throw - F42 event and finished ninth in the men's Long jump - F42 event. He also competed at the 2004 Summer Paralympics in Athens, Greece. There he won a gold medal in the men's Javelin throw - F42 event
