Matchup · 2026
Grinnell at Marion
This season
Final
Grinnell 20 · Marion 21
Our line before the week
Grinnell -18.0no cover
Total
51.5under
If they played today
Marion at home
Grinnell -11.5o/u 50.0
Grinnell 31 · Marion 19
82%
Grinnell at home
Grinnell -13.5o/u 50.0
Marion 18 · Grinnell 32
86%
Neutral site
Grinnell -12.5o/u 50.0
Grinnell 31 · Marion 19
84%
| Site | Line | Total | Win prob | Score |
|---|---|---|---|---|
| Marion at home | Grinnell -11.5 | 50.0 | 82% | Grinnell 31 · Marion 19 |
| Grinnell at home | Grinnell -13.5 | 50.0 | 86% | Marion 18 · Grinnell 32 |
| Neutral site | Grinnell -12.5 | 50.0 | 84% | Grinnell 31 · Marion 19 |
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
Grinnell -19.5
Sep 5 · o/u 43.5
Closed
Grinnell -18.0
last capture before kickoff · o/u 51.5
Moves
6
Line move
-1.5
toward Marion · o/u +8.0
Sep 5 Grinnell -19.5 / 43.5Sep 12 Grinnell -19.0 / 44.0Sep 13 Grinnell -19.0 / 46.0Sep 18 Grinnell -21.5 / 46.5Sep 20 Grinnell -17.0 / 47.5Sep 26 Grinnell -19.5 / 49.5Oct 4 Grinnell -18.0 / 51.5
Our line, captured three mornings a week; a point is added when the line or total moves half a point or more.
Series history
5–3
Grinnell leads
8
Meetings · 1986–2026
5–3
Last 8 · Grinnell
1
Marion streak
Biggest wins
Grinnell
30-0 · 2025+30
35-19 · 1993+16
10-0 · 2010 PO+10
Marion
14-6 · 2003+8
9-7 · 1992+2
21-20 · 2026+1
Runs & venue
Longest streak: Grinnell 2 straight, 1993–2002
Home team: 3-5
Playoff meetings: 1
Average margin: 9.3 · decided by 7 or less: 4
By decade · avg margin, Marion view
| 2020s | 1-1 | -14.5 |
| 2010s | 0-1 | -10.0 |
| 2000s | 1-1 | +2.5 |
| 1990s | 1-1 | -7.0 |
| 1980s | 0-1 | -4.0 |
| Season | Result | Model line |
|---|---|---|
| 2026 Oct 9 | Marion 21-20 at Marion | Grinnell -18.0 no cover |
| 2025 Oct 10 | Grinnell 30-0 at Grinnell | Grinnell -12.5 covered |
| 2010PO Oct 27 | Grinnell 10-0 at Marion | — — |
| 2003 Oct 17 | Marion 14-6 at Grinnell | — — |
| 2002 Oct 18 | Grinnell 21-18 at Marion | — — |
| 1993 Oct 15 | Grinnell 35-19 at Marion | — — |
| 1992 Oct 16 | Marion 9-7 at Grinnell | — — |
| 1986 Oct 31 | Grinnell 10-6 at Grinnell | — — |
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).