diff --git a/src/ce_dubproject.pas b/src/ce_dubproject.pas
index a4a49da3..56b29999 100644
--- a/src/ce_dubproject.pas
+++ b/src/ce_dubproject.pas
@@ -36,6 +36,7 @@ type
     function findTargetKindInd(value: TJSONObject): boolean;
     procedure dubProcOutput(proc: TProcess);
     function getCurrentCustomConfig: TJSONObject;
+    function compileOrRun(run: boolean; const runArgs: string = ''): boolean;
   public
     constructor create(aOwner: TComponent); override;
     destructor destroy; override;
@@ -66,6 +67,7 @@ type
     //
     function compile: boolean;
     function run(const runArgs: string = ''): boolean;
+    function targetUpToDate: boolean;
     //
     property json: TJSONObject read fJSON;
     //property sources: TStringList read fSrcs;
@@ -280,7 +282,7 @@ begin
   end;
 end;
 
-function TCEDubProject.compile: boolean;
+function TCEDubProject.compileOrRun(run: boolean; const runArgs: string = ''): boolean;
 var
   dubproc: TProcess;
   olddir: string;
@@ -294,35 +296,54 @@ begin
   dubproc := TProcess.Create(nil);
   olddir := GetCurrentDir;
   try
-    msgs.message('compiling ' + prjname, self as ICECommonProject, amcProj, amkInf);
+    if not run then
+      msgs.message('compiling ' + prjname, self as ICECommonProject, amcProj, amkInf);
     chDir(extractFilePath(fFilename));
     dubproc.Executable := 'dub' + exeExt;
     dubproc.Options := dubproc.Options + [poStderrToOutPut, poUsePipes];
     dubproc.CurrentDirectory := extractFilePath(fFilename);
     dubproc.ShowWindow := swoHIDE;
-    dubproc.Parameters.Add('build');
+    if not run then
+      dubproc.Parameters.Add('build')
+    else
+      dubproc.Parameters.Add('run');
     if fBuiltTypeIx <> 0 then
       dubproc.Parameters.Add('--build=' + fBuildTypes.Strings[fBuiltTypeIx]);
     if fConfigIx <> 0 then
       dubproc.Parameters.Add('--config=' + fConfigs.Strings[fConfigIx]);
+    if run and (runArgs <> '') then
+      dubproc.Parameters.Add('--' + runArgs);
     dubproc.Execute;
     while dubproc.Running do
       dubProcOutput(dubproc);
-    if dubproc.ExitStatus = 0 then begin
-      msgs.message(prjname + ' has been successfully compiled', self as ICECommonProject, amcProj, amkInf);
-      result := true;
-    end else
-      msgs.message(prjname + ' has not been compiled', self as ICECommonProject, amcProj, amkWarn);
+    if not run then
+    begin
+      if dubproc.ExitStatus = 0 then begin
+        msgs.message(prjname + ' has been successfully compiled', self as ICECommonProject, amcProj, amkInf);
+        result := true;
+      end else
+        msgs.message(prjname + ' has not been compiled', self as ICECommonProject, amcProj, amkWarn);
+    end;
   finally
     chDir(olddir);
     dubproc.Free;
   end;
 end;
 
+function TCEDubProject.compile: boolean;
+begin
+  result := compileOrRun(false);
+end;
+
 function TCEDubProject.run(const runArgs: string = ''): boolean;
 begin
-  //TODO-cDUB: implement
-  result := false;
+  result := compileOrRun(true);
+end;
+
+function TCEDubProject.targetUpToDate: boolean;
+begin
+  // rebuilding is done automatically when the command is 'run'
+  result := true;
 end;
 {$ENDREGION --------------------------------------------------------------------}
 
diff --git a/src/ce_interfaces.pas b/src/ce_interfaces.pas
index acb02680..f22a9991 100644
--- a/src/ce_interfaces.pas
+++ b/src/ce_interfaces.pas
@@ -74,6 +74,8 @@ type
       function compile: boolean;
       // tries to un the project output and returns true if it did
       function run(const runArgs: string = ''): boolean;
+      // returns true if the target has not to be recompiled
+      function targetUpToDate: boolean;
 
   end;
 
diff --git a/src/ce_main.pas b/src/ce_main.pas
index 309a278a..8f96ffaa 100644
--- a/src/ce_main.pas
+++ b/src/ce_main.pas
@@ -1796,47 +1796,18 @@ begin
 end;
 
 procedure TCEMainForm.actProjRunExecute(Sender: TObject);
-var
-  i: Integer;
-  dt: double;
-label
-  _rbld,
-  _run;
 begin
   if fProjectInterface.binaryKind <> executable then
   begin
     dlgOkInfo('Non executable projects cant be run');
     exit;
   end;
-  if not fileExists(fProjectInterface.outputFilename) then
-  begin
-    if dlgOkCancel('The project output is missing, build ?') <> mrOK then
-      exit;
-    goto _rbld;
-  end;
-
-  // TODO-cICECommonInterface, add function to check if rebuild needed.
-  if fProjectInterface.getFormat = pfNative then
-  begin
-    dt := fileAge(fNativeProject.outputFilename);
-    for i := 0 to fNativeProject.Sources.Count-1 do
-    begin
-      if fileAge(fNativeProject.sourceAbsolute(i)) > dt then
-        if dlgOkCancel('The project sources have changed since last build, rebuild ?') = mrOK then
-          goto _rbld
-        else
-          break;
-    end;
-  end
-  // DUB checks this automatically
-  else fProjectInterface.compile;
-
-  goto _run;
-  _rbld:
-    fProjectInterface.compile;
-  _run:
-    if fileExists(fProjectInterface.outputFilename) then
-      fProjectInterface.run;
+  if (not fProjectInterface.targetUpToDate) then if
+    dlgOkCancel('The project output is not up-to-date, rebuild ?') = mrOK then
+      fProjectInterface.compile;
+  if fileExists(fProjectInterface.outputFilename)
+      or (fProjectInterface.getFormat = pfDub) then
+        fProjectInterface.run;
 end;
 
 procedure TCEMainForm.actProjRunWithArgsExecute(Sender: TObject);
diff --git a/src/ce_nativeproject.pas b/src/ce_nativeproject.pas
index 59fc10f8..31c0bb80 100644
--- a/src/ce_nativeproject.pas
+++ b/src/ce_nativeproject.pas
@@ -100,6 +100,7 @@ type
     //
     function run(const runArgs: string = ''): Boolean;
     function compile: Boolean;
+    function targetUpToDate: boolean;
     //
     property configuration[ix: integer]: TCompilerConfiguration read getConfig;
     property currentConfiguration: TCompilerConfiguration read getCurrConf;
@@ -775,7 +776,6 @@ var
   str: string;
   msgs: ICEMessagesDisplay;
 begin
-
   lst := TStringList.Create;
   msgs := getMessageDisplay;
   try
@@ -810,6 +810,19 @@ begin
   end;
 end;
 
+function TCENativeProject.targetUpToDate: boolean;
+var
+  dt: double;
+  i: integer;
+begin
+  result := false;
+  if not FileExists(fOutputFilename) then exit;
+  dt := FileAge(fOutputFilename);
+  for i := 0 to fSrcs.Count-1 do
+    if fileAge(sourceAbsolute(i)) > dt then exit;
+  result := true;
+end;
+
 function TCENativeProject.outputFilename: string;
 begin
   exit(fOutputFilename);