Mark Byington
Coach Rating
0.29
Rating
#20
National Rank
NCAAM
League
2026-2027
As of Season
Joint program + coach model (log-odds scale): what the coach adds to the program's own quality; +1.0 makes a team a 73% favorite over the same program with an average coach. Ranked among that season's head coaches.
Career season coverage is unconfirmed.
Game-Derived Season Summary
260-155
Verified Record
62.7%
Win Pct
13
Verified Seasons
415
Verified Games
Totals include only independently qualified game records. They may cover only part of the coaching career.
Season-by-Season
| Season | Team | Record | Win % | PPG | DPPG | Margin | Elo | Pyth | AdjO | AdjD | League | Actions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-2027 | Vanderbilt |
0-0
Coaching record · Sports Reference |
- | - | - | - | 1451 (#17) |
92.6% (#3)
Adjusted Efficiency
|
69.9 (#8) | 60.1 (#8) | NCAAM | View → |
| 2025-2026 | Vanderbilt |
27-9
Coaching record · Sports Reference |
75.0% | 85.7 | 75.0 | +10.7 | 1424 (#13) |
95.9% (#17)
Adjusted Efficiency
|
87.3 (#13) | 67.2 (#13) | NCAAM | View → |
| 2024-2025 | Vanderbilt |
20-13
Coaching record · Sports Reference |
60.6% | 78.9 | 74.3 | +4.6 | 1120 (#88) |
89.8% (#48)
Adjusted Efficiency
|
81.2 (#44) | 68.9 (#44) | NCAAM | View → |
| 2023-2024 | James Madison |
32-4
Coaching record · Sports Reference |
88.9% | 83.2 | 69.6 | +13.6 | 1238 (#45) |
79.1% (#79)
Adjusted Efficiency
|
78.9 (#65) | 69.8 (#65) | NCAAM | View → |
| 2022-2023 | James Madison |
22-11
Coaching record · Sports Reference |
66.7% | 80.5 | 68.1 | +12.4 | 1031 (#134) |
69.2% (#108)
Adjusted Efficiency
|
75.3 (#91) | 69.4 (#91) | NCAAM | View → |
| 2021-2022 | James Madison |
15-14
Coaching record · Sports Reference |
51.7% | 75.1 | 73.2 | +1.9 | 883 (#230) |
38.5% (#215)
Adjusted Efficiency
|
70.6 (#228) | 74.1 (#228) | NCAAM | View → |
| 2020-2021 | James Madison |
13-7
Coaching record · Sports Reference |
65.0% | 78.1 | 70.5 | +7.6 | 964 (#185) |
55.5% (#141)
Adjusted Efficiency
|
74.3 (#146) | 73.2 (#146) | NCAAM | View → |
| 2019-2020 | Georgia Southern |
20-13
Coaching record · Sports Reference |
60.6% | 75.6 | 70.7 | +4.9 | 1075 (#130) |
56.9% (#146)
Adjusted Efficiency
|
71.5 (#137) | 69.0 (#137) | NCAAM | View → |
| 2018-2019 | Georgia Southern |
21-12
Coaching record · Sports Reference |
63.6% | 82.6 | 75.4 | +7.2 | Data withheld: source-integrity hold |
65.9% (#119)
Adjusted Efficiency
|
78.7 (#109) | 74.3 (#109) | NCAAM | View → |
| 2017-2018 | Georgia Southern |
21-12
Coaching record · Sports Reference |
63.6% | 75.9 | 70.2 | +5.7 | 1025 (#154) |
52.5% (#157)
Adjusted Efficiency
|
72.2 (#154) | 71.1 (#154) | NCAAM | View → |
| 2016-2017 | Georgia Southern |
18-15
Coaching record · Sports Reference |
54.5% | 75.5 | 73.3 | +2.2 | 877 (#240) |
38.6% (#204)
Adjusted Efficiency
|
71.3 (#198) | 73.2 (#198) | NCAAM | View → |
| 2015-2016 | Georgia Southern |
14-17
Coaching record · Sports Reference |
45.2% | 75.9 | 74.4 | +1.5 | 883 (#238) |
34.7% (#218)
Adjusted Efficiency
|
71.0 (#219) | 74.7 (#219) | NCAAM | View → |
| 2014-2015 | Georgia Southern |
22-9
Coaching record · Sports Reference |
71.0% | 68.1 | 60.2 | +7.9 | 1019 (#158) |
52.5% (#153)
Adjusted Efficiency
|
62.7 (#146) | 61.4 (#146) | NCAAM | View → |
| 2013-2014 | Georgia Southern |
15-19
Coaching record · Sports Reference |
44.1% | 70.8 | 70.4 | +0.4 | 862 (#278) |
17.0% (#293)
Adjusted Efficiency
|
64.5 (#291) | 73.1 (#291) | NCAAM | View → |