USBC USBC Senior Masters Sport

2025 USBC Senior Masters

USBC Senior Masters

The 2025 USBC Senior Masters features a notably flat 2:1 ratio across a medium 38-foot pattern, creating a demanding environment where friction changes dramatically and recovery is minimal once a ball leaves the oil. With 33.2mL of heavy volume concentrated forward (19.35mL), the pattern rewards precision in oil track management and penalizes overuse of any single line: the steep ratio collapse means balls that miss their mark will either skid excessively or read the lanes unpredictably as they transition to the backend. This is a pattern designed for bowlers who can execute consistent releases and adjust quickly, as the 664 total boards crossed indicate significant movement is possible, but only for those who can navigate the challenging oil-to-dry transition without relying on heavy backend reaction.

DISTANCE: 38' RATIO: 2:1 VOLUME: 33.2 FORWARD: 19.35 REVERSE: 13.85 PUMP: 50ยตL DROP BRUSH: 35' TANKS: ICE & ICE

โ€ข Reverse Drop Brush

38'
Length
33.2mL
Volume
2:1
Ratio
664
Boards Crossed
Forward 19.35 mL (58%)
Reverse 13.85 mL (42%)
Conditioner ICE & ICE
Pump Type 50ยตL
Dual Tank No
Peak Oil Board Board 12 (1100 ยตL)

Board-by-Board Volume

Zone
Ratio
3L-7L : 18L-18R
Outside Track : Middle
2.00
8L-12L : 18L-18R
Middle Track : Middle
1.06
13L-17L : 18L-18R
Inside Track : Middle
1.00
18L-18R
Middle
1.00
18L-18R : 17R-13R
Middle Inside : Track
1.00
18L-18R : 12R-8R
Middle Middle : Track
1.01
18L-18R : 7R-3R
Middle Outside : Track
1.96
Zone
Ratio
0 0 150 150 300 300 450 450 600 600 750 750 900 900 1050 1050 1200 1200 124681012141618191918161412108642
Forward
Reverse

Forward Loads Data

# Start Stop Load Mics Speed T.Oil
1 2 38 5 50 18 9,250
2 3 36 1 50 18 1,700
3 5 35 3 50 18 4,650
4 8 33 2 50 18 2,600
5 9 31 1 50 18 1,150
6 2 38 0 50 18 0
7 2 38 0 50 22 0

Reverse Loads Data

# Start Stop Load Mics Speed T.Oil
1 2 38 0 50 30 0
2 9 32 5 50 18 6,000
3 6 34 2 50 18 2,900
4 4 36 3 50 18 4,950
5 2 38 0 50 14 0
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