Flight crew reported a runway incursion on final approach that resulted in a go-around.

Attributes
ACN	1690719
Time
Date	201909
Local Time Of Day	1801-2400
Place
Locale Reference	DEN.Airport
State Reference	CO
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	A320
Operating Under FAR Part	Part 121
Flight Phase	Landing
Flight Plan	IFR
Aircraft 2
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	Taxi
Flight Plan	IFR
Person 1
Function	First Officer Pilot Not Flying
Qualification	Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP)
Person 2
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine Flight Crew Instrument
Events
Anomaly	Conflict Ground Conflict Critical Ground Incursion Runway

Narrative:

While attempting to land on runway 17R at den; a B737 taxied in front of the landing runway on taxiway ed; which is also hotspot 1. We did not see the aircraft until about 100 ft. AGL; at the same time tower directed us to go around. We flew right over the top of the taxiing aircraft. We executed the go around normally and came back around to land uneventfully.

Original NASA ASRS Text

Title: Flight crew reported a runway incursion on final approach that resulted in a go-around.

Narrative: While attempting to land on Runway 17R at DEN; a B737 taxied in front of the landing runway on Taxiway ED; which is also Hotspot 1. We did not see the aircraft until about 100 ft. AGL; at the same time Tower directed us to go around. We flew right over the top of the taxiing aircraft. We executed the go around normally and came back around to land uneventfully.

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.