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University of South Dakota Athletics

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Swimming and Diving

2020-21 Swimming and Diving Roster

Madisen Martinez
Aaron C Packard/USD

Duncan Johnson

  • Class Senior
  • Hometown Forest Lake, Minn.
  • Highschool Forest Lake Senior HS

Biography

Career Bests

2020-21
Helped the Coyote men win their first-ever Summit League title...competed in three events at the Summit League Championships, the 200 IM (2:01.22), the 100 breast (59.85) and the 100 IM (54.03)...won the 400 IM in a season best 4:41.42 during the Coyote Invite...placed fourth in the 200 IM (1:57.01), seventh in the 100 fly (54.80) and eighth in the 100 free (50.17) while posting season bests at the Coyote Extravaganza...placed in the top 10 in six events.

2019-20
At the Summit League Championships competed in the 100 IM (56.13), 200 IM (1:58.96) and 100 breast (1:02.88)...won the 200 IM (1:56.45) while also placing fourth in the 100 breast (59.55) and sixth in the 100 IM (53.83) in personal bests at the Jackrabbit Invitational..swam personal bests in the 100 fly (53.27) and 200 IM (1:55.31) along with season bests in the 100 free (48.12) and 100 back (54.02) at the Augustana Invitational...moved into the Coyote Top 10 list in 10th in the 100 IM (53.83)...named Summit League Male Swimmer of the Week on Feb. 11...placed in the top 10 in five events.

2018-19
Competed in the 100 breast (1:02.12), 100 IM (54.12) and 200 IM (1:59.40) at the Summit League Championships...won the 200 IM (1:56.38) while also finishing seventh in the 100 breast (59.95) at the Coyote Invitational...placed sixth in the 100 breast (1:11.30) and eighth in the 100 fly (1:02.69) in a home dual with South Dakota State...on the Coyote Top 10 list sits 10th in the 100 IM (54.12)...placed in the top 10 in five events.

2017-18
Won the 200-yard individual medley at the Coyote Invitational (Feb. 2) … placed fifth in the 200 IM (1:57.78) at the Rochester Invitational … finished fifth in the 200 IM (2:01.91) at the USD Tri-Duals … swam seasons bests in 100 free (48.22), 100 fly (53.69), 100 breast (1:04.53), 200 IM (1:55.71), 200 back (2:06.47) and 100 back (54.16).

Prep
Was named all-conference three times from 2014-17 ... at the 2017 Senior State Championships, won the 100 fly and the 100 individual medley ... at the 2017 Section 7AA Championships, won all four events he competed in ... holds the record for the 100 back and 200 individual medley at Forest Lake Senior High School ... part of the 200 medley relay, 200 free relay and the 400 free relay that hold school records ... received a letter for swimming all four years and was the team captain senior year.

Personal
Son of Dave Johnson and Diane Willemin ... business major.

Historical Player Information

  • 2017-18Freshman

    IM
  • 2018-19Sophomore

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  • 2019-20Junior

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  • 2020-21Senior

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