Top 25
2-10
- Games
- 12
- Win rate
- 16.7%
Back to Coaches
Consistent WinnerBalanced
Coach Profile
Bill Callahan
2004-2007 • Nebraska
One defining program at Nebraska.
Bill Callahan coached 4 seasons, won 55.1%, and posted an average SRS of 5.2. Best season: 2006 Nebraska. The profile was balanced with a very steady week-to-week shape. One primary stint defined the run.
- Career record
- 27-22
- Career win rate
- 55.1%
- Average SRS
- 5.2
- Peak SRS
- 11.2
Career Dossier
One glance at the full arc.
The profile below keeps the headline numbers visible, then moves into tenure shape, school impact, and full season detail.
- Seasons coached
- 4
- Career span
- 4 years
- Best finish
- #24
- Consistency
- 80.5
Primary school anchor
Nebraska
Balanced profile with 1 program stop and a peak score of 64.6.
Career Arc
Track how the coach's season-to-season performance changed over time, where the peak landed, and where each school stint appears.
Focus on where peaks separate, where floors hold, and how the shape of each career changed over time.
Bill Callahan
EliteStrongAverageLean
2004Actual season year • SRS range 0.4 to 11.22007
Active comparison point
Bill Callahan • 2006
2006 Nebraska
Best season9-5 • SRS 11.2 • SP Overall 14.7
Win %
64.3%
YoY SRS
+3.6
SP Off / Def
31.5 / 17.7
Finish
Unranked
Comparison context
Focus a point to inspect how it stacks up against the rest of the field.
Ranked opponent record
Track career record against ranked opponents with switchable poll source and ranking timing.
Using AP Top 25 rankings at the time of each game; week-one games use the week-one ranking release when available.
Top 10
0-7
- Games
- 7
- Win rate
- 0.0%
Top 5
0-4
- Games
- 4
- Win rate
- 0.0%
View ranked game results12
| 2007 Regular Week 10 | Nebraska | Kansas | #8 | L39-76 |
| 2007 Regular Week 9 | Nebraska | Texas | #17 | L25-28 |
| 2007 Regular Week 6 | Nebraska | Missouri | #17 | L6-41 |
| 2007 Regular Week 3 | Nebraska | USC | #1 | L31-49 |
| 2006 Regular Week 14 | Nebraska | Oklahoma | #8 | L7-21 |
| 2006 Regular Week 11 | Nebraska | Texas A&M | #24 | W28-27 |
| 2006 Regular Week 8 | Nebraska | Texas | #5 | L20-22 |
| 2006 Regular Week 3 | Nebraska | USC | #4 | L10-28 |
| 2006 Postseason Week 1 | Nebraska | Auburn | #9 | L14-17 |
| 2005 Regular Week 6 | Nebraska | Texas Tech | #15 | L31-34 |
| 2005 Regular Week 5 | Nebraska | Iowa State | #23 | W27-20 |
| 2004 Regular Week 12 | Nebraska | Oklahoma | #2 | L3-30 |
Tenure map
Each stint expands by seasons coached. Deeper color signals a stronger average SRS over that stretch.
Length = seasons coachedDeeper color = stronger stint
Nebraska
2004-2007 • 4 seasons
Avg SRS 5.2 • Win % 55.1%
- Longest tenure
- Nebraska • 4 seasons
- Best tenure
- Nebraska • 5.2 SRS
- Best tenure win rate
- Nebraska • 55.1%
Style and Strength Profile
Compare strength, identity, steadiness, and ceiling through normalized bars with raw SP and SRS context underneath.
These bars are normalized against the full coach dataset. Raw SP and SRS values stay visible so the profile reads as evidence, not decoration.
Overall Strength
Start with total quality before splitting style and variance.
Bill Callahan sets the reference point in overall strength.
Overall Strength
Decisive edgeBill Callahan sets the reference point in overall strength.
Normalized score; raw SP overall stays underneath for reference.
Bill Callahan
Strong
- Raw avg SP Overall
- 9.2
- Percentile
- 83th pct
Strong
Normalized against the full tracked coach pool.
Impact by school
See how each stint compared with what that program usually looked like outside that same span.
Nebraska
2004-2007 • 27-22
Compared with this school's baseline outside that stint over the prior 5 seasons (5 baseline seasons found).
Avg SRS 5.2Win % 55.1%
Avg wins
Higher is better
6.8 during vs 9.0 baseline
-2.3
Avg SRS
Higher is better
5.2 during vs 17.2 baseline
-12.0
Avg SP Overall
Higher is better
9.2 during vs 20.2 baseline
-10.9
Ranked finish rate
Higher is better
25.0% during vs 80.0% baseline
-55.0%
Career highs and lows
High Points
Best Season
Nebraska 2006
9-5 • SRS 11.2
Biggest Improvement
Nebraska 2005
8-4 • 7.2 SRS
Best Offensive Season
Nebraska 2007
5-7 • SP Off 39.1
Best Defensive Season
Nebraska 2005
8-4 • SP Def 13.8
Setbacks
Worst Season
Nebraska 2004
5-6 • SRS 0.4
Biggest Drop
Nebraska 2007
5-7 • -9.8 SRS
Season-by-season results
Full transparency into every season in the coaching record. Positive YoY values indicate improvement from the prior season.
| Nebraska | 2007 | 12 | 5 | 7 | 0 | 41.7% | #20 | — | 1.4 | 10.0 | 39.1 | 31.2 | -9.8 | -22.6% |
| Nebraska | 2006 | 14 | 9 | 5 | 0 | 64.3% | #20 | — | 11.2 | 14.7 | 31.5 | 17.7 | +3.6 | -2.4% |
| Nebraska | 2005 | 12 | 8 | 4 | 0 | 66.7% | — | #24 | 7.6 | 10.3 | 24.2 | 13.8 | +7.2 | +21.2% |
| Nebraska | 2004 | 11 | 5 | 6 | 0 | 45.5% | — | — | 0.4 | 1.9 | 31.1 | 30.2 | — | — |
Similar coaches
Related profiles are matched by style, strength band, volatility band, peak range, and career length.
Odell Haggins
same balanced identity • avg SRS within 0.0
Avg SRS 5.2 • Peak SRS 10.1 • 2 seasons
Best finish Unranked • Volatility 5.0
Open profile →Arthur Curtis
same balanced identity • avg SRS within 0.9
Avg SRS 4.3 • Peak SRS 8.6 • 3 seasons
Best finish Unranked • Volatility 4.5
Open profile →Roger Theder
same balanced identity • avg SRS within 0.2
Avg SRS 5.4 • Peak SRS 14.1 • 4 seasons
Best finish Unranked • Volatility 5.7
Open profile →Otis Douglas
same balanced identity • avg SRS within 0.7
Avg SRS 4.5 • Peak SRS 9.4 • 3 seasons
Best finish Unranked • Volatility 4.1
Open profile →Bob Chesney
same balanced identity • avg SRS within 0.4
Avg SRS 5.6 • Peak SRS 9.9 • 2 seasons
Best finish Unranked • Volatility 4.3
Open profile →Snorter Luster
same balanced identity • avg SRS within 0.8
Avg SRS 4.4 • Peak SRS 11.9 • 5 seasons
Best finish Unranked • Volatility 3.9
Open profile →