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MLB park factors · Red Sox

Fenway Park park factors

Fenway Park ranks 3rd of 29 on the three year rolling run index at 106, and the 2026 season alone is at 106, close enough to the baseline that the park is behaving the way it has for three years. The most extreme number here is the doubles index at 120, 2nd highest in baseball on the three year rolling view.

Updated September 10, 2026 Indices Baseball Savant Venue MLB Stats API
106
Run index
3rd of 29
88
HR index
24th of 29
97
Strikeout index
21st of 29
103
wOBA index
three year rolling
106
2026 run index
this season alone

Park factor history

Five single seasons and the three year rolling view Baseball Savant shows by default. Reading them side by side is how you tell a park that has changed from a park that had one odd year.

Statcast park factors for Fenway Park. 100 is league average. The strikeout column reads from the hitter's side, so a number above 100 means the park suppresses contact.
SeasonwOBARunsHRSO2B3BBB
2026103106889712712897
2025103106849311494101
2024102104901031178194
2023108117929312811499
20221081171089612018597
Three year rolling10310688971209198

The ballpark itself

Elevation is 21 feet, close to the 518 foot league average, so altitude is not doing anything here. Home plate points northeast toward centre field, at 45.0 degrees, which is what turns a wind forecast into a blowing out or blowing in read rather than a guess. Playing surface is grass. The average fence sits 362 feet from the plate, 9 feet shallower than the league average, and the average wall is 20.3 feet high.

Measured fence distance and wall height from the Statcast park dimensions record for 2026, with the difference against the 30 park average in the adjacent column. Average wall height here is 20.3 feet against a league average of 9.7, and the average home run at this park travels 382 feet.
LocationDistancevs leagueWallvs league
Left field line309 ft-2237.3 ft+27.4
Left centre gap345 ft-3537.3 ft+27.3
Centre field388 ft-1317.2 ft+8.5
Right centre gap378 ft-14.0 ft-5.1
Right field line299 ft-283.6 ft-7.5

Where it ranks

Where this ballpark sits against the other 29 on every published index, three year rolling. Rank 1 is the highest number in baseball on that index, which for strikeouts means the most pitcher friendly.
IndexValueRankvs average
Runs1063rd of 29+6
Home runs8824th of 29-12
Strikeouts9721st of 29-3
wOBA1033rd of 29+3
Hits1053rd of 29+5
Singles1045th of 29+4
Doubles1202nd of 29+20
Triples9113th of 29-9
Walks9819th of 29-2
Hard hit rate9919th of 29-1

Splits that move a number

Three year rolling index split by batter handedness.
SplitRunsHRwOBASO
Right handed batters10489102103
Left handed batters1088710490
Three year rolling index split by start time.
SplitRunsHRwOBASO
Day games1068910396
Night games1068710398

Scoring at this ballpark in 2026

The index numbers above are league adjusted and cover three seasons. This is the raw scoring that actually happened here this year, which is the sanity check on all of it.

72
Games played here
2026 regular season
8.69
Runs per game
League average 8.94
23
Highest scoring game
Chicago White Sox at Boston Red Sox, 2026-08-06
1
Lowest scoring game
Detroit Tigers at Boston Red Sox, 2026-04-17
51%
Games above league average
37 of 72
36-36
Home team record here
2026 regular season
Runs per game at this ballpark by month, against the league average of 8.94 for the same period. Small samples early and late, so read the direction rather than the decimal.
MonthGamesRuns/gmvs league
April137.15-1.79
May157.40-1.54
June158.00-0.94
July119.00+0.06
August1311.77+2.83
September510.00+1.06
The last ten completed games at this ballpark.
DateMatchupFinalTotalStart
2026-09-09Los Angeles Angels at Boston Red Sox6–410Night
2026-09-08Los Angeles Angels at Boston Red Sox6–17Night
2026-09-07Los Angeles Angels at Boston Red Sox2–57Day
2026-09-02Seattle Mariners at Boston Red Sox8–311Day
2026-09-01Seattle Mariners at Boston Red Sox9–615Night
2026-08-31Seattle Mariners at Boston Red Sox8–917Night
2026-08-23San Francisco Giants at Boston Red Sox4–59Day
2026-08-22San Francisco Giants at Boston Red Sox2–35Night
2026-08-21San Francisco Giants at Boston Red Sox4–610Night
2026-08-19Arizona Diamondbacks at Boston Red Sox7–613Day

What it means for a bet

Totals

The park adds runs, so the posted total already reflects it. The edge is not in backing overs blind, it is in the days the market treats this park as generic: a cold night, a closed roof, or a pitching matchup that moves the number further than the park justifies.

Home run props

Scoring runs ahead of home runs by 18 points, so the runs come from balls in play rather than over the fence. Fade home run props, look at hits and total bases instead.

Every index on this page is a three year rolling figure unless the column says otherwise, and all of it is league relative: 100 is average, not neutral in an absolute sense. Park factors describe the venue, not tonight's pitching matchup, and they are the starting point of a number rather than the whole of it.

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