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San Francisco 49ers Defense — Yards Allowed by Quarter (2025)

In 2025, the San Francisco 49ers allowed 50.6 passing yards per first quarter (league average 49.1), ranking #20 of 32. They were a bottom-3 Q1 RB receiving defense. Full quarter-by-quarter allowances by position below, with full-game totals.

Yards allowed per quarter, by category (rank of 32)

CategoryQ1Q2Q3Q4Game
passing50.6 (#20)66.6 (#21)50.9 (#17)65.0 (#20)233.1 (#20)
rushing34.3 (#27)26.8 (#11)23.3 (#6)30.3 (#18)114.7 (#13)
WR receiving33.1 (#19)34.9 (#10)32.6 (#19)40.9 (#21)141.5 (#20)
TE receiving6.4 (#4)22.8 (#31)9.8 (#10)16.2 (#23)55.2 (#22)
RB receiving11.1 (#31)8.9 (#21)8.5 (#19)7.3 (#8)35.8 (#25)

Rank #1 = fewest allowed (stingiest). Categories split receiving by the receiver's position — the split most sites never publish. Game = all four quarters combined, ranked across teams.

Notable extremes

FAQ

Which quarter did the San Francisco 49ers defense allow the most passing yards in 2025?

Q2 — 66.6 passing yards per game.

How many passing yards per game did the San Francisco 49ers allow in 2025?

233.1 per game across all four quarters (#20 of 32, where #1 allowed the fewest).

Methodology: computed from nflverse play-by-play; a quarter's yards are the yards gained on plays snapped in that quarter. Averages use each player's games played, not team games. Updated 2026-07-28.

Open the live model — any player, any line, all four quarters →