RV8 pilot reported a runway excursion.

Attributes
ACN	1745512
Time
Date	202006
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	RV-8
Operating Under FAR Part	Part 91
Flight Phase	Landing
Route In Use	None
Flight Plan	None
Person 1
Function	Single Pilot
Qualification	Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument
Experience	Flight Crew Last 90 Days 30 Flight Crew Total 3500 Flight Crew Type 1
Events
Anomaly	Ground Event / Encounter Loss Of Aircraft Control Ground Excursion Runway

Narrative:

Upon landing rwy xxl; RV8 departed runway approx midpoint of runway; passed through grass median and entered taxiway X. From this point taxi back to parking uneventful. Directional departure occurred at approximately 45KT. Directional control re-acquired using wheel brakes; at approx. 20 knots. No damage to aircraft or airport facilities. First flight for this aircraft. Possible contributing factors.- pilot inexperience in type.- inadvertent brake application on rollout.- tailwheel steering mis-adjustment - excessive airspeed on touchdown.- failure to maintain full back stick upon rollout; reducing effectiveness of tailwheel steering.

Original NASA ASRS Text

Title: RV8 pilot reported a runway excursion.

Narrative: Upon landing Rwy XXL; RV8 departed runway approx midpoint of runway; passed through grass median and entered Taxiway X. From this point taxi back to parking uneventful. Directional departure occurred at approximately 45KT. Directional control re-acquired using wheel brakes; at approx. 20 knots. No damage to aircraft or airport facilities. First Flight for this aircraft. Possible contributing factors.- Pilot inexperience in type.- Inadvertent brake application on rollout.- Tailwheel steering mis-adjustment - Excessive airspeed on touchdown.- Failure to maintain full back stick upon rollout; reducing effectiveness of tailwheel steering.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.