Matchup · 2026
Mason City at Clarion CGD
Projected line
Clarion CGD at home
Mason City -9.5o/u 51.5
Mason City 30 · Clarion CGD 21
73%
Mason City at home
Mason City -11.5o/u 51.5
Clarion CGD 20 · Mason City 31
77%
Neutral site
Mason City -10.5o/u 51.5
Mason City 31 · Clarion CGD 21
75%
| Site | Line | Total | Win prob | Score |
|---|---|---|---|---|
| Clarion CGD at home | Mason City -9.5 | 51.5 | 73% | Mason City 30 · Clarion CGD 21 |
| Mason City at home | Mason City -11.5 | 51.5 | 77% | Clarion CGD 20 · Mason City 31 |
| Neutral site | Mason City -10.5 | 51.5 | 75% | Mason City 31 · Clarion CGD 21 |
Series history
11–6–2
Mason City leads
19
Meetings · 1906–1937
6–3
Last 10 · Mason City
2
Mason City streak
Biggest wins
Mason City
133-0 · 1917+133
34-0 · 1936+34
28-0 · 1924+28
Clarion CGD
13-0 · 1914+13
10-0 · 1923+10
7-0 · 1931+7
Runs & venue
Longest streak: Mason City 3 straight, 1917–1922
Home team: 12-5-2
Playoff meetings: 0
Average margin: 18.4 · decided by 7 or less: 9
By decade · avg margin, Clarion CGD view
| 1930s | 2-5-1 | -10.1 |
| 1920s | 2-3 | -10.2 |
| 1910s | 2-2 | -29.5 |
| 1900s | 0-1-1 | -8.0 |
| Season | Result | Model line |
|---|---|---|
| 1937 Oct 15 | Mason City 20-6 at Clarion CGD | — — |
| 1936 Oct 16 | Mason City 34-0 at Mason City | — — |
| 1935 Oct 18 | Tie 6-6 at Clarion CGD | — — |
| 1934 Oct 12 | Mason City 33-7 at Mason City | — — |
| 1933 Oct 13 | Mason City 6-0 at Clarion CGD | — — |
| 1932 Oct 14 | Clarion CGD 12-8 at Mason City | — — |
| 1931 Oct 16 | Clarion CGD 7-0 at Clarion CGD | — — |
| 1930 Oct 16 | Mason City 12-0 at Mason City | — — |
| 1928 Oct 20 | Clarion CGD 7-6 at Mason City | — — |
| 1924 Sep 27 | Mason City 28-0 at Mason City | — — |
| 1923 Oct 13 | Clarion CGD 10-0 at Clarion CGD | — — |
| 1922 Nov 18 | Mason City 6-0 at Mason City | — — |
| 1921 Oct 22 | Mason City 35-7 at Clarion CGD | — — |
| 1917 Sep 29 | Mason City 133-0 at Mason City | — — |
| 1916 Sep 30 | Clarion CGD 14-7 at Clarion CGD | — — |
| 1915 Oct 15 | Mason City 12-7 at Mason City | — — |
| 1914 Sep 25 | Clarion CGD 13-0 at Clarion CGD | — — |
| 1907 Oct 26 | Tie 5-5 at Clarion CGD | — — |
| 1906 Oct 26 | Mason City 16-0 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).