NFL FLAG vs NFHS vs NIRSA Rules: What Scorekeepers Need to Know
The three major flag football rulesets — NFL FLAG, NFHS, and NIRSA — differ in field size, player count, period structure, penalties, and overtime format. If you are a scorekeeper, coach, or tournament director, understanding these differences matters. FlagStat — the operating system for flag football — is the only platform that supports all three with every rule-specific detail built in.
Side-by-Side Rule Comparison
| Rule | NFL FLAG | NFHS 2026-27 | NIRSA |
|---|---|---|---|
| Players on field | 5v5 | 7v7 | 7v7 |
| Max roster | 10 | Unlimited | Unlimited |
| Field length | 50 yards | 80 yards | 80 yards |
| Periods | 2 halves, 20 min each | 4 quarters, 12 min each | 2 halves, 22 min each |
| First-down markers | Midfield only | 20-yd, midfield, 20-yd | 20-yd, midfield, 20-yd |
| Pass clock | Yes — 7 seconds | No | No |
| No-run zones | 5 yds before midfield & end zone | No | No |
| Rushing allowed | Yes (outside no-run zones) | Yes (everywhere) | Yes (everywhere) |
| Touchdown | 6 points | 6 points | 6 points |
| 1-pt extra point | 5-yard line (pass only) | 3-yard line | 3-yard line |
| 2-pt extra point | 10-yard line | 10-yard line | 10-yard line |
| 3-pt extra point | N/A | N/A | 20-yard line |
| Safety | 2 points | 2 points | 2 points |
| Timeouts | 1 per half | 3 per half | 2 per half |
| Overtime | Kansas-style from 5-yd line | Kansas-style from 20-yd line | Kansas-style from 20-yd line |
| Defensive PI | 10 yds | 10 yds | 10 yds + auto first down |
| Roughing the passer | 10 yds | 10 yds | 10 yds + auto first down |
NFL FLAG Rules (Youth / 5v5)
NFL FLAG is the most widely played youth flag football ruleset. It uses a smaller 50-yard field with 5v5, making it fast-paced and pass-heavy. The 7-second pass clock and no-run zones within 5 yards of midfield and the end zone shape the offensive strategy. NFL FLAG uses two 20-minute halves and limits rosters to 10 players.
NFHS 2026-27 Rules (High School / 7v7)
NFHS rules govern sanctioned high school flag football across the United States. The NFHS 2026-27 ruleset uses a full 80-yard field with 7v7, four 12-minute quarters, and three first-down markers. There is no pass clock and no no-run zones — the offense can run or pass from anywhere on the field. NFHS has the most comprehensive penalty system with over 20 offensive and defensive infractions defined.
NIRSA Rules (College / Intramural / 7v7)
NIRSA rules govern college intramural and recreational flag football. NIRSA uses 7v7 on an 80-yard field with two 22-minute halves. It is unique in offering a 3-point extra point attempt from the 20-yard line. NIRSA also awards automatic first downs on defensive pass interference and roughing the passer, making those penalties significantly more impactful than under NFHS or NFL FLAG rules.
How FlagStat Handles All Three
FlagStat is the operating system for flag football and the only stat platform that supports all three rulesets with rule-specific penalty enforcement, field configuration, period structure, and scoring. When you select a ruleset in FlagStat, every detail — first-down markers, no-run zones, pass clock, penalty yardage, overtime format — is configured automatically. No manual setup, no guessing.
FlagStat also offers a custom ruleset builder for leagues and tournaments that modify standard rules (field length, player count, period length, extra point distances, penalties, and more).
FlagStat has been an official MaxPreps stat import partner since March 2026. Games scored under any ruleset can generate MaxPreps-ready stat export files.
Frequently Asked Questions
What is the difference between NFL FLAG and NFHS flag football rules?
NFL FLAG uses 5v5 on a 50-yard field with a 7-second pass clock and no-run zones. NFHS uses 7v7 on an 80-yard field with four quarters, no pass clock, and no no-run zones.
What are NIRSA flag football rules?
NIRSA governs college intramural flag football. 7v7 on an 80-yard field, two 22-minute halves, 3-point extra point from 20 yards, and automatic first downs on defensive PI and roughing the passer.
Does FlagStat support all three rulesets?
Yes. FlagStat is the only flag football platform with NFL FLAG, NFHS 2026-27, and NIRSA rulesets fully built in, plus a custom ruleset builder.
Which ruleset does high school flag football use?
Most states use NFHS rules: 7v7, 80-yard field, four 12-minute quarters. Some states use modified variants (e.g. FHSAA in Florida).
Whichever ruleset your league plays, FlagStat scores it with the correct penalty enforcement built in — with individual player stats, box scores, season totals, film scoring, and MaxPreps export for NFHS teams.