SATURDAY, APRIL 28

8:30 a.m. – Credential sales open.

9:15 a.m. – Tech inspection open.

10:15 a.m. – Jr. Dragster Thunder and Jr. Dragster Lightning time trials.

11 a.m. – Time trials for Trophy, Sportsman, Pro. Followed by second round of Jr. Dragster Thunder, Jr. Dragster Lightning time trials. Followed by time trials for Motorcycle and Super Pro.

Noon – STL Underground 2K18 roll in.

Noon – First round of eliminations for Jr. Dragster Thunder and Jr. Dragster Lightning. Followed by second round of time trials for Trophy, Sportsman, Pro. Followed by second round of Jr. Dragster Thunder and Jr. Dragster Lightning eliminations. Followed by second round of time trials for Motorcycle and Super Pro.

2 p.m. – Tech lanes open for STL Underground 2K18.

2 p.m. (time approximate):

Third round of eliminations for Jr. Dragster Thunder and Jr. Dragster Lightning.

Third round of time trials for Trophy.

First round of eliminations for Sportsman and Pro.

Fourth round of eliminations for Jr. Dragster Thunder and Jr. Dragster Lightning.

First round of Motorcycle and Super Pro eliminations.

STL Underground 2K18.

Fifth round of eliminations for Jr. Dragster Thunder and Jr. Dragster Lightning.

First round of Trophy eliminations.

Second round of Sportsman, Pro, Motorcycle and Super Pro eliminations.

STL Underground 2K18.

Jr. Dragster Thunder-Lightning Run-off.

Second round of Trophy eliminations.

Third round of Sportsman, Pro, Motorcycle and Super Pro eliminations.

STL Underground 2K18.

Fourth round of Sportsman, Pro, Motorcycle and Super Pro eliminations.

STL Underground 2K18.

Fifth round of Sportsman, Pro, Motorcycle and Super Pro eliminations.

STL Underground 2K18.

Sixth round of Sportsman, Pro and Super Pro eliminations.

Seventh round of Sportsman, Pro and Super Pro eliminations.

Final round of Sportsman, Pro and Super Pro eliminations.

STL Underground 2K18.

SCHEDULE IS SUBJECT TO CHANGE.