All OSR League races can be found under League Sessions on the iRacing Member Site or by using the iRacing Beta User Interface.
Nashville Fairgrounds Speedway Track Championship – Saturday Nights at 8:00 pm eastern, Fixed Setups (iRacing Default), Cautions On, Ten Incident Points = Drive Through Penalty, Fourteen Incident Points = DQ, One Fast Repair, Three Green/White/Checkers
- Street Stock – 8:00 PM Eastern, 40 Laps, Caution Laps Don’t Count, 35 Minute Time Limit, No Tire Changes
- Late Model Stock – 9:00 PM Eastern, 50 Laps, Caution Laps Don’t Count, 35 Minute Time Limit, No Tire Changes
- Grand National (ARCA Car) – 10:00 PM Eastern, 75 Laps, Caution Laps Count, 35 Minute Time Limit, One Tire Change Allowed
OSR SK Modified – Sunday Nights at 8:00 pm eastern, Fixed Setups, Cautions On, Caution Laps Don’t Count, Twenty-Five Minute Time Limit, Ten Incident Points = Drive Through Penalty, Fourteen Incident Points = DQ, One Fast Repair, Three Green/White/Checkers, One Set of Tires
| Race Dates | Track | Laps |
| Week 1 (2020-10-04) | Nashville Fairgrounds Speedway | 40 |
| Week 2 (2020-10-11) | Concord Speedway | 50 |
| Week 3 (2020-10-18) | Phoenix Int. Raceway 2008 | 30 |
| Week 4 (2020-10-25) | Irwindale Speedway (Inner) | 50 |
| Week 5 (2020-11-01) | Thompson Speedway | 40 |
| Week 6 (2020-11-08) | Bristol Motor Speedway | 50 |
| Week 7 (2020-11-15) | Lanier National Speedway | 50 |
| Week 8 (2020-11-22) | South Boston Speedway | 50 |
| Week 9 (2020-11-29) | North Wilkesboro Speedway | 40 |
| Week 10 (2020-12-06) | Five Flags Speedway | 50 |
OSR Tour Modified – Sunday Nights at 9:00 pm eastern, Fixed Setups, Cautions On, Lucky Dog, Twelve Incident Points = Drive Through Penalty, Sixteen Incident Points – DQ, One Fast Repair, Three Green/White/Checkers, Two Sets of Tires
| Race Dates | Track | Laps |
| Week 1 (2020-10-04) | Nashville Fairgrounds Speedway | 90 |
| Week 2 (2020-10-11) | Thompson Speedway | 90 |
| Week 3 (2020-10-18) | Martinsville Speedway | 90 |
| Week 4 (2020-10-25) | Lucas Oil Raceway | 60 |
| Week 5 (2020-11-01) | Phoenix Int. Raceway 2008 | 40 |
| Week 6 (2020-11-08) | USA International Speedway | 50 |
| Week 7 (2020-11-15) | Lanier National Speedway | 80 |
| Week 8 (2020-11-22) | South Boston Speedway | 80 |
| Week 9 (2020-11-29) | North Wilkesboro Speedway | 60 |
| Week 10 (2020-12-06) | Five Flags Speedway | 60 |