Southern Illinois
| Lane 1 Speed Rating |
|
| Lane 1 Speed Rank - US/IL | 2/4 |
| Lane 1 Speed Rank - US | 23/223 |
| Lane 1 Speed Rank - World | 24/235 |
| # Lanes - Home Straight | 8 |
| # Lanes - Lap | 8 |
| Lane Width (m) | 1.22 |
| Surface Type | artificial |
| Surface Color(s) | red |
| Steeplechase Pit Location | inside |
| Elevation (m) | 126 |
| Turn Diameter (m) | 78.49 |
| Apex Turn Radius (m) | 39.75 |
| Turn Shape Ratio | 1.27% |
| Geometry Type | Single Radius |
| Lane# | Total (m) | Straight (m) | Turn (m) | Deg / Turn (m) | Speed Rating |
|---|---|---|---|---|---|
| 1 | 400.00 | 153.42 | 246.58 | 1.46 | 15.49 |
| 2 | 407.67 | 153.42 | 254.25 | 1.42 | 16.93 |
| 3 | 415.33 | 153.42 | 261.91 | 1.37 | 18.32 |
| 4 | 423.00 | 153.42 | 269.58 | 1.34 | 19.66 |
| 5 | 430.66 | 153.42 | 277.25 | 1.30 | 20.95 |
| 6 | 438.33 | 153.42 | 284.91 | 1.26 | 22.19 |
| 7 | 445.99 | 153.42 | 292.58 | 1.23 | 23.40 |
| 8 | 453.66 | 153.42 | 300.24 | 1.20 | 24.56 |
This page was last updated: April 11, 2019. handle select lists on new track form (6ed3337) by Tom Hummel