- Class: 2020
- High School: Blue Valley Southwest
- State: Kansas
- Position: Attack
- Club Team: Midwest Top Gun
- College: Uncommitted
- 2019 1st Team All-State/Metro
- 2019 All-Star Denver Shootout
- 2019 Uncommitted Under Armour
- 2018 2nd Team All-State/Metro
- 2018 All-Star Can-Am
High School Career
"Mason is one of the strongest/most powerful attackmen in the midwest. His size, strength, and IQ take him to the next level and make him a clear asset to any team. He is driven, hardworking, dedicated, and passionate about Lacrosse. Make no mistake he will be one to watch this coming year and in college." -- Ken Peterson, Head Coach
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News for Mason Petersen
2020 High School Lacrosse Leading Returning Scorers
By Mike Loveday | February 10, 2020
The following is a list of the high school lacrosse players who were underclassmen in 2019 and among the leading returning scorers for the 2020 season.
Boys High School Lacrosse Class of 2020 New Century Club Members
By Mike Loveday | June 18, 2019
LaxRecords.com has compiled a list of the boy's high school lacrosse players in the Class of 2020 who wrapped up their junior years in a new century club with at least 200 career points.