Mason City Riverhawks

4A - CIML-Iowa

Varsity
2027-28 2026-27 2025-26 2024-25 2023-24 2022-23 2021-22 2020-21 2019-20 2018-19 2017-18 2016-17 2015-16 2014-15 2013-14 2012-13 2011-12 2010-11 2009-10 2008-09 2007-08
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Team Menu
Scores
Charles City L 3-2
Fort Dodge W 3-2
Waverly-Shell Rock L 2-0
Osage L 2-0
Humboldt L 2-0
See More
Leaders
Assists
Cassie Sievers, SR
  • 493
  • AST 493
  • PER 5.8
Kills
Grace Tobin, SR
  • 308
  • KLS 3.6
  • PCT 23.6%
  • PTS 4.7
Total Blocks
Jada Williams, SO
  • 45
  • BLK 45
  • PER 0.6
Digs
Emily Wittnebel, SR
  • 320
  • DIG 320
  • PER 3.8
Serve Aces
Grace Tobin, SR
  • 49
  • ACE 0.6
  • ATT 2.9
  • PCT 0.8
Full Team Statistics
Tuesday, Aug 27
VOLLEYBALL Varsity

(Des Moines East vs Mason City)

0
Des Moines East
Varsity (0-1)
3
Mason City
Varsity (1-0)
final
1 2 3 T
DM E 6 10 13 0
MCTY 25 25 25 3
Mason City High School
Thursday, Aug 29
VOLLEYBALL Varsity

(New Hampton vs Mason City)

3
New Hampton
Varsity (3-0)
0
Mason City
Varsity (1-1)
final
1 2 3 T
NHMP 25 27 25 3
MCTY 15 25 20 0
Mason City High School
Saturday, Aug 31
VOLLEYBALL Varsity

CC Early Bird Invitational

0
Mason City
Varsity (7-10)
2
Iowa City Liberty
Varsity (19-1)
final
1 2 T
MCTY 11 7 0
IACL 21 21 2
Charles City High School
Saturday, Aug 31
VOLLEYBALL Varsity

(Mason City vs Iowa Falls-Alden)

2
Mason City
Varsity (3-3)
1
Iowa Falls-Alden
Varsity (2-4)
final
1 2 3 T
MCTY 23 16 15 2
IAFA 21 21 11 1
Charles City High School
Saturday, Aug 31
VOLLEYBALL Varsity

(Mason City vs Decorah)

2
Mason City
Varsity (3-3)
1
Decorah
Varsity (1-2)
final
1 2 3 T
MCTY 24 10 15 2
DEC 22 21 12 1
Charles City High School
Saturday, Aug 31
VOLLEYBALL Varsity

(Mason City vs Charles City)

0
Mason City
Varsity (3-3)
2
Charles City
Varsity (2-0)
final
1 2 T
MCTY 4 20 0
CH C 21 22 2
Charles City High School
Tuesday, Sep 3
VOLLEYBALL Varsity

(Mason City vs Des Moines North)

3
Mason City
Varsity (4-3)
0
Des Moines North
Varsity (0-3)
final
1 2 3 T
MCTY 25 25 25 3
DM N 6 7 4 0
North High School
Tuesday, Sep 10
VOLLEYBALL Varsity

(Mason City vs Ankeny)

0
Mason City
Varsity (4-4)
3
Ankeny
Varsity (12-1)
final
1 2 3 T
MCTY 16 16 23 0
ANK 25 25 25 3
Ankeny High School
Thursday, Sep 12
VOLLEYBALL Varsity

(Mason City vs Charles City)

2
Mason City
Varsity (5-4)
0
Charles City
Varsity (4-3)
final
1 2 T
MCTY 25 25 2
CH C 20 22 0
Clear Lake High School
Thursday, Sep 12
VOLLEYBALL Varsity

(Mason City vs Clear Lake)

2
Mason City
Varsity (6-4)
1
Clear Lake
Varsity (4-6)
final
1 2 3 T
MCTY 25 23 15 2
C L 20 25 10 1
Clear Lake High School
Saturday, Sep 14
VOLLEYBALL Varsity

(Mason City vs Algona)

0
Mason City
Varsity (6-8)
2
Algona
Varsity (7-8)
final
1 2 T
MCTY 12 6 0
ALG 21 21 2
Spencer Senior High School
Saturday, Sep 14
VOLLEYBALL Varsity

(Mason City vs Spencer)

0
Mason City
Varsity (6-8)
2
Spencer
Varsity (2-9)
final
1 2 T
MCTY 20 19 0
SPN 22 21 2
Spencer Senior High School
Saturday, Sep 14
VOLLEYBALL Varsity

Spencer Tournament

2
Humboldt
Varsity (12-2)
0
Mason City
Varsity (6-8)
final
1 2 T
HMBT 21 21 2
MCTY 3 7 0
Spencer Senior High School
Saturday, Sep 14
VOLLEYBALL Varsity

(Mason City vs Cherokee Washington)

0
Mason City
Varsity (6-8)
2
Cherokee Washington
Varsity (6-6)
final
1 2 T
MCTY 18 20 0
CWSH 21 22 2
Spencer Senior High School
Saturday, Sep 14
VOLLEYBALL Varsity

(Mason City vs Carroll)

2
Mason City
Varsity (7-8)
1
Carroll
Varsity (6-4)
final
1 2 3 T
MCTY 21 16 15 2
CROL 19 21 11 1
Spencer Senior High School
Tuesday, Sep 17
VOLLEYBALL Varsity

(Valley vs Mason City) C

3
Valley
Varsity (17-3)
0
Mason City
Varsity (7-9)
final
1 2 3 T
VLY 25 25 25 3
MCTY 13 19 11 0
Mason City High School
Tuesday, Sep 24
VOLLEYBALL Varsity

Away Conference Dual C

3
Southeast Polk
Varsity (12-5)
1
Mason City
Varsity (7-11)
final
1 2 3 4 T
SE P 18 25 25 25 3
MCTY 25 19 18 22 1
Mason City High School
Tuesday, Oct 1
VOLLEYBALL Varsity

(Mason City vs Waukee) C

0
Mason City
Varsity (7-11)
3
Waukee
Varsity (23-8)
final
1 2 3 T
MCTY 21 16 14 0
WKE 25 25 25 3
Waukee High School
Saturday, Oct 5
VOLLEYBALL Varsity

(Mason City vs Denver)

0
Mason City
Varsity (8-13)
2
Denver
Varsity (22-10)
final
1 2 T
MCTY 12 18 0
DNV 21 21 2
Waverly-Shell Rock Senior High School
Saturday, Oct 5
VOLLEYBALL Varsity

WSR tournament

2
Mason City
Varsity (8-13)
0
Crestwood
Varsity (12-11)
final
1 2 T
MCTY 25 25 2
CRWD 22 17 0
Waverly-Shell Rock Senior High School
Saturday, Oct 5
VOLLEYBALL Varsity

(Union Community vs Mason City)

2
Union Community
Varsity (19-4)
0
Mason City
Varsity (8-13)
final
1 2 T
UCM 21 21 2
MCTY 19 14 0
Waverly-Shell Rock Senior High School
Saturday, Oct 5
VOLLEYBALL Varsity

Waverly Shell Rock Tournament

0
Mason City
Varsity (8-14)
2
Mount Vernon
Varsity (17-8)
final
1 2 T
MCTY 12 14 0
MT V 21 21 2
Waverly-Shell Rock Senior High School
Saturday, Oct 5
VOLLEYBALL Varsity

Go Hawk Invitational

2
Nevada
Varsity (25-8)
0
Mason City
Varsity (8-15)
final
1 2 T
NVD 21 21 2
MCTY 8 8 0
Waverly-Shell Rock Senior High School
Saturday, Oct 5
VOLLEYBALL Varsity

Waverly Shell Rock Tournament

2
Mount Vernon
Varsity (21-9)
0
Mason City
Varsity (8-16)
final
1 2 T
MT V 25 25 2
MCTY 16 14 0
Waverly-Shell Rock Senior High School
Tuesday, Oct 8
VOLLEYBALL Varsity

Senior Night C

3
Marshalltown
Varsity (8-11)
2
Mason City
Varsity (8-17)
final
1 2 3 4 5 T
MRSH 25 20 27 20 15 3
MCTY 22 25 25 25 6 2
Mason City High School
Saturday, Oct 12
VOLLEYBALL Varsity

(Clear Lake vs Mason City)

0
Clear Lake
Varsity (7-15)
2
Mason City
Varsity (9-17)
final
1 2 T
C L 15 18 0
MCTY 21 21 2
Mason City High School
Saturday, Oct 12
VOLLEYBALL Varsity

(Central Springs vs Mason City)

2
Central Springs
Varsity (15-8)
1
Mason City
Varsity (9-18)
final
1 2 3 T
CSPR 16 21 15 2
MCTY 21 17 8 1
Mason City High School
Saturday, Oct 12
VOLLEYBALL Varsity

Mason City Tourney Pool Play

2
Waverly-Shell Rock
Varsity (37-6)
0
Mason City
Varsity (9-21)
final
1 2 T
WSR 21 21 2
MCTY 15 8 0
Mason City High School
Saturday, Oct 12
VOLLEYBALL Varsity

(Osage vs Mason City)

2
Osage
Varsity (30-6)
0
Mason City
Varsity (9-21)
final
1 2 T
OSG 21 21 2
MCTY 16 1 0
Mason City High School
Saturday, Oct 12
VOLLEYBALL Varsity

Mason City Tournament

2
Humboldt
Varsity (25-5)
0
Mason City
Varsity (9-21)
final
T
HMBT 2
MCTY 0
Mason City High School
Tuesday, Oct 15
VOLLEYBALL Varsity

Senior Night C

3
Mason City
Varsity (10-21)
2
Fort Dodge
Varsity (5-30)
final
1 2 3 4 5 T
MCTY 25 20 18 25 15 3
FT D 16 25 25 20 7 2
Fort Dodge Senior High School
Wednesday, Oct 23
VOLLEYBALL Varsity

Class 4A - Region 6 First Round

3
Charles City
Varsity (18-25)
2
Mason City
Varsity (10-22)
final
1 2 3 4 5 T
CH C 25 25 23 18 15 3
MCTY 13 21 25 25 7 2
Mason City High School
Scores
Charles City L 3-2
Fort Dodge W 3-2
Waverly-Shell Rock L 2-0
Osage L 2-0
Humboldt L 2-0
See More
Leaders
Assists
Cassie Sievers, SR
  • 493
  • AST 493
  • PER 5.8
Kills
Grace Tobin, SR
  • 308
  • KLS 3.6
  • PCT 23.6%
  • PTS 4.7
Total Blocks
Jada Williams, SO
  • 45
  • BLK 45
  • PER 0.6
Digs
Emily Wittnebel, SR
  • 320
  • DIG 320
  • PER 3.8
Serve Aces
Grace Tobin, SR
  • 49
  • ACE 0.6
  • ATT 2.9
  • PCT 0.8
Full Team Statistics
Team Information
Level Varsity
Class 4A
Conference CIML-Iowa
Head Coach Curt Klaahsen
Enrollment 810
CIML-Iowa Standings
Team CONF ST OVER PCT
Valley 6-0 L1 42-5 .894
Waukee 5-1 L1 35-12 .745
Southeast Polk 3-2 L1 20-15 .571
Marshalltown 2-4 L1 17-15 .531
Mason City 1-4 L1 10-22 .312
Fort Dodge 0-4 L9 5-35 .125
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