2021 USBC Junior Gold Advancers (All Divisions)
Junior Gold
The 2021 USBC Junior Gold Advancers pattern is a medium-length 37-foot track with heavy oil volume (32.5mL total) that creates a moderately challenging environment for advancing junior competitors. The 2.29:1 ratio, combined with the substantial forward volume of 21.35mL versus reverse volume of 11.15mL, produces a relatively flat oil structure that rewards consistent rev rates and angle control while resisting extreme hook: this design prevents early corner dominance and demands precision through the backend rather than relying on dramatic reaction. The 650 boards crossed over the pattern length means bowlers will find usable real estate on both sides, but the heavy forward bias creates a defined oil band that favors controlled delivery styles and makes timing adjustments critical as the pattern transitions throughout competition.
โข Reverse Drop Brush
Board-by-Board Volume
Forward Loads Data
| # | Start | Stop | Load | Mics | Speed | T.Oil |
|---|---|---|---|---|---|---|
| 1 | 2 | 38 | 5 | 50 | 14 | 9,250 |
| 2 | 2 | 35 | 1 | 50 | 14 | 1,700 |
| 3 | 5 | 34 | 1 | 50 | 14 | 1,500 |
| 4 | 6 | 33 | 2 | 50 | 14 | 2,800 |
| 5 | 7 | 32 | 2 | 50 | 18 | 2,600 |
| 6 | 8 | 31 | 2 | 50 | 18 | 2,400 |
| 7 | 9 | 30 | 1 | 50 | 18 | 1,100 |
| 8 | 2 | 38 | 0 | 50 | 22 | 0 |
| 9 | 2 | 38 | 0 | 50 | 26 | 0 |
Reverse Loads Data
| # | Start | Stop | Load | Mics | Speed | T.Oil |
|---|---|---|---|---|---|---|
| 1 | 2 | 38 | 0 | 50 | 30 | 0 |
| 2 | 12 | 30 | 1 | 50 | 14 | 950 |
| 3 | 11 | 31 | 1 | 50 | 14 | 1,050 |
| 4 | 10 | 32 | 1 | 50 | 14 | 1,150 |
| 5 | 9 | 33 | 1 | 50 | 14 | 1,250 |
| 6 | 8 | 34 | 1 | 50 | 14 | 1,350 |
| 7 | 2 | 35 | 1 | 50 | 14 | 1,700 |
| 8 | 2 | 38 | 2 | 50 | 14 | 3,700 |
| 9 | 2 | 38 | 0 | 50 | 10 | 0 |
Pattern data provided by Kegel