Iowa GridironHS football · lines, ratings, history
Matchup · 2026

Johnston at Mason City

Card
5A Away · #3 5A
Johnston
CIML · 1-1
Rating
41.7
Offense
+21.4
Defense
+20.3
4A Home · #23 4A
Mason City
Iowa Alliance · 0-2
Rating
4.3
Offense
+1.4
Defense
+2.9

Projected line

Mason City at home
Johnston -36.5o/u 53.0
Johnston 45 · Mason City 8
99%
Johnston at home
Johnston -38.5o/u 53.0
Mason City 7 · Johnston 46
100%
Neutral site
Johnston -37.5o/u 53.0
Johnston 45 · Mason City 8
99%

Series history

6–3
Johnston leads
9
Meetings · 19982019
6–3
Last 9 · Johnston
4
Johnston streak
Biggest wins
Johnston
52-0 · 2018+52
56-14 · 2008 PO+42
40-6 · 2019+34
Mason City
41-7 · 2002+34
34-28 · 2001+6
24-21 · 2000+3
Runs & venue
Longest streak: Johnston 4 straight, 2003–2019
Home team: 6-3
Playoff meetings: 1
Average margin: 23.3 · decided by 7 or less: 3
By decade · avg margin, Mason City view
2010s0-2-43.0
2000s3-2-3.8
1990s0-2-9.5
SeasonResultModel line
2019
Oct 18
Johnston 40-6 at JohnstonJohnston -47.5
no cover
2018
Oct 12
Johnston 52-0 at Mason CityJohnston -51.5
covered
2008PO
Oct 29
Johnston 56-14 at JohnstonJohnston -24.0
covered
2003
Sep 19
Johnston 42-22 at JohnstonMason City -9.0
no cover
2002
Sep 20
Mason City 41-7 at Mason CityMason City -6.0
covered
2001
Sep 21
Mason City 34-28 at Mason CityMason City -11.5
no cover
2000
Sep 22
Mason City 24-21OT at JohnstonJohnston -1.5
no cover
1999
Sep 10
Johnston 34-29 at Johnston
1998
Sep 11
Johnston 21-7 at Mason CityMason City -2.0
no cover

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).

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