2025 PBA50 U.S. OPEN
PBA50 Patterns
The 2025 PBA50 U.S. Open presents a moderately challenging 41-foot medium pattern with a 3.33:1 ratio and balanced oil distribution (13.75mL forward, 14.08mL reverse) that demands precision without extreme backend reaction. The nearly symmetrical volume split and 604 boards crossed create a controlled lane environment where mid-lane track play is rewarded, favoring bowlers who can manage a predictable breakpoint rather than exploit dramatic angular motion. This KEGEL-conditioned pattern rewards shot-making and line discipline: expect moderate skid through the fronts, controlled hook in the midlane, and manageable continuation, making it suitable for a range of rev rates while punishing inconsistent targeting more than raw power.
• Reverse Drop Brush
• Multi-Pump
• Variable Buff
Board-by-Board Volume
Forward Loads Data
| # | Start | Stop | Load | Mics | Speed | T.Oil |
|---|---|---|---|---|---|---|
| 1 | 2 | 38 | 1 | 55 | 18 | 2,035 |
| 2 | 2 | 38 | 1 | 50 | 18 | 1,850 |
| 3 | 2 | 38 | 1 | 45 | 18 | 1,665 |
| 4 | 2 | 38 | 1 | 40 | 18 | 1,480 |
| 5 | 4 | 36 | 2 | 40 | 18 | 2,640 |
| 6 | 8 | 33 | 2 | 40 | 18 | 2,080 |
| 7 | 12 | 30 | 2 | 40 | 18 | 1,520 |
| 8 | 16 | 27 | 1 | 40 | 18 | 480 |
| 9 | 2 | 38 | 0 | 40 | 18 | 0 |
| 10 | 2 | 38 | 0 | 40 | 22 | 0 |
| 11 | 2 | 38 | 0 | 40 | 22 | 0 |
Reverse Loads Data
| # | Start | Stop | Load | Mics | Speed | T.Oil |
|---|---|---|---|---|---|---|
| 1 | 2 | 38 | 0 | 45 | 30 | 0 |
| 2 | 14 | 28 | 2 | 45 | 18 | 1,350 |
| 3 | 13 | 29 | 2 | 45 | 18 | 1,530 |
| 4 | 11 | 30 | 3 | 50 | 18 | 3,000 |
| 5 | 9 | 31 | 2 | 50 | 14 | 2,300 |
| 6 | 7 | 32 | 2 | 50 | 14 | 2,600 |
| 7 | 5 | 33 | 1 | 50 | 14 | 1,450 |
| 8 | 2 | 38 | 1 | 50 | 14 | 1,850 |
| 9 | 2 | 38 | 0 | 50 | 14 | 0 |
Pattern data provided by Kegel