Matchup · 2026
Marshalltown at Mason City
This season
Final
Marshalltown 13 · Mason City 22
Our line before the week
Mason City -17.5no cover
Total
53.5under
If they played today
Mason City at home
Mason City -6.5o/u 50.5
Marshalltown 22 · Mason City 29
71%
Marshalltown at home
Mason City -4.5o/u 50.5
Mason City 28 · Marshalltown 23
65%
Neutral site
Mason City -5.5o/u 50.5
Marshalltown 22 · Mason City 28
68%
| Site | Line | Total | Win prob | Score |
|---|---|---|---|---|
| Mason City at home | Mason City -6.5 | 50.5 | 71% | Marshalltown 22 · Mason City 29 |
| Marshalltown at home | Mason City -4.5 | 50.5 | 65% | Mason City 28 · Marshalltown 23 |
| Neutral site | Mason City -5.5 | 50.5 | 68% | Marshalltown 22 · Mason City 28 |
Computed from today's ratings, which already include the result above — so this is what the line would be if they met again now, not a forecast of the game that was played.
Line movement
Opened
Mason City -17.5
Sep 5 · o/u 52.0
Closed
Mason City -17.5
last capture before kickoff · o/u 52.0
Moves
0
Line move
0.0
unmoved · o/u 0.0
Our line, captured three mornings a week; a point is added when the line or total moves half a point or more.
Series history
28–27–2
Marshalltown leads
57
Meetings · 1908–2026
6–4
Last 10 · Mason City
5
Mason City streak
Biggest wins
Marshalltown
41-0 · 1998+41
39-0 · 1908+39
58-21 · 2012+37
Mason City
48-13 · 2001+35
32-3 · 2023+29
28-0 · 2020+28
Runs & venue
Longest streak: Mason City 5 straight, 2020–2026
Home team: 29-26-2
Playoff meetings: 0
Average margin: 16.1 · decided by 7 or less: 18
By decade · avg margin, Mason City view
| 2020s | 5-0 | +18.4 |
| 2010s | 3-7 | -11.2 |
| 2000s | 5-5 | -1.6 |
| 1990s | 3-6 | -11.1 |
| 1980s | 5-3 | +7.5 |
| 1970s | 5-4 | +1.6 |
| 1960s | 1-1 | +6.5 |
| 1920s | 0-1-1 | -9.5 |
| 1910s | 0-0-1 | 0.0 |
| 1900s | 0-1 | -39.0 |
| Season | Result | Model line |
|---|---|---|
| 2026 Sep 11 | Mason City 22-13 at Mason City | Mason City -17.5 no cover |
| 2025 Sep 12 | Mason City 42-17 at Marshalltown | Marshalltown -11.0 no cover |
| 2024 Aug 30 | Mason City 26-25 at Marshalltown | Mason City -1.5 no cover |
| 2023 Aug 25 | Mason City 32-3 at Mason City | PK — |
| 2020 Aug 28 | Mason City 28-0 at Marshalltown | — — |
| 2019 Sep 13 | Marshalltown 27-7 at Mason City | — — |
| 2018 Sep 7 | Marshalltown 45-13 at Marshalltown | — — |
| 2017 Sep 1 | Marshalltown 16-13 at Mason City | — — |
| 2016 Sep 2 | Mason City 15-9 at Marshalltown | — — |
| 2015 Oct 2 | Marshalltown 20-7 at Marshalltown | — — |
| 2014 Oct 3 | Mason City 19-15 at Mason City | — — |
| 2013 Oct 18 | Marshalltown 16-13 at Marshalltown | — — |
| 2012 Oct 12 | Marshalltown 58-21 at Mason City | — — |
| 2011 Oct 21 | Marshalltown 42-7 at Marshalltown | — — |
| 2010 Oct 22 | Mason City 21-0 at Mason City | — — |
| 2009 Sep 25 | Marshalltown 38-21 at Mason City | — — |
| 2008 Sep 26 | Mason City 28-21 at Marshalltown | — — |
| 2007 Sep 28 | Marshalltown 57-20 at Marshalltown | — — |
| 2006 Sep 29 | Marshalltown 10-7 at Mason City | — — |
| 2005 Oct 7 | Marshalltown 17-6 at Marshalltown | — — |
| 2004 Oct 8 | Marshalltown 34-0 at Mason City | — — |
| 2003 Oct 31 | Mason City 28-21 at Marshalltown | — — |
| 2002 Nov 1 | Mason City 27-7 at Mason City | — — |
| 2001 Oct 19 | Mason City 48-13 at Marshalltown | — — |
| 2000 Oct 20 | Mason City 24-7 at Mason City | — — |
| 1999 Oct 8 | Marshalltown 21-14 at Mason City | — — |
| 1998 Oct 9 | Marshalltown 41-0 at Marshalltown | — — |
| 1997 Sep 5 | Marshalltown 34-20 at Mason City | — — |
| 1996 Sep 6 | Mason City 7-6 at Marshalltown | — — |
| 1995 Sep 22 | Marshalltown 29-13 at Mason City | — — |
| 1994 Sep 23 | Mason City 21-18 at Marshalltown | — — |
| 1993 Oct 22 | Mason City 28-0 at Mason City | — — |
| 1992 Oct 23 | Marshalltown 35-0 at Marshalltown | — — |
| 1990 Oct 12 | Marshalltown 33-14 at Mason City | — — |
| 1989 Oct 6 | Marshalltown 28-8 at Marshalltown | — — |
| 1988 Oct 7 | Mason City 32-8 at Mason City | — — |
| 1987 Oct 9 | Marshalltown 13-10OT at Marshalltown | — — |
| 1986 Oct 10 | Mason City 21-7 at Mason City | — — |
| 1985 Oct 11 | Mason City 20-0 at Marshalltown | — — |
| 1984 Oct 12 | Mason City 28-7 at Mason City | — — |
| 1981 Sep 25 | Mason City 15-7 at Mason City | — — |
| 1980 Sep 26 | Marshalltown 18-14 at Mason City | — — |
| 1979 Sep 28 | Mason City 7-0 at Mason City | — — |
| 1978 Sep 29 | Mason City 25-7 at Mason City | — — |
| 1976 Oct 1 | Marshalltown 16-6 at Marshalltown | — — |
| 1975 Sep 26 | Mason City 21-7 at Mason City | — — |
| 1974 Sep 27 | Mason City 14-7 at Mason City | — — |
| 1973 Sep 28 | Marshalltown 21-13 at Mason City | — — |
| 1972 Sep 29 | Mason City 20-7 at Marshalltown | — — |
| 1971 Oct 1 | Marshalltown 24-13 at Marshalltown | — — |
| 1970 Oct 2 | Marshalltown 24-8 at Mason City | — — |
| 1969 Oct 3 | Marshalltown 6-0 at Marshalltown | — — |
| 1968 Oct 4 | Mason City 26-7 at Mason City | — — |
| 1927 Oct 15 | Marshalltown 25-6 at Mason City | — — |
| 1926 Nov 5 | Tie 7-7 at Marshalltown | — — |
| 1917 Nov 3 | Tie 7-7 at Mason City | — — |
| 1908 Oct 17 | Marshalltown 39-0 at Mason City | — — |
Every recorded meeting in Brent Moore's all-time archive. Model lines appear for seasons whose archive pages have been built (2021 on, plus any older season you have opened).