diff --git a/wled00/FX.cpp b/wled00/FX.cpp
index 18d61b2167..46f6c1a71a 100644
--- a/wled00/FX.cpp
+++ b/wled00/FX.cpp
@@ -543,26 +543,40 @@ static const char _data_FX_MODE_RAINBOW_CYCLE[] PROGMEM = "Rainbow@!,Size;;!";
 /*
  * Alternating pixels running function.
  */
-static void running(uint32_t color1, uint32_t color2, bool theatre = false) {
+static void running(uint32_t color1, uint32_t color2, bool theatre = false, int skip = 0) {
   int width = (theatre ? 3 : 1) + (SEGMENT.intensity >> 4);  // window
   uint32_t cycleTime = 50 + (255 - SEGMENT.speed);
   uint32_t it = strip.now / cycleTime;
   bool usePalette = color1 == SEGCOLOR(0);
 
+  // skip>0: each stripe has (width) lit LEDs with (skip) blacks between them, plus a (skip)-wide
+  // black gap at each color transition. stripe_len = width*pitch - skip; period = 2*width*pitch.
+  int pitch = skip + 1;
+  int stripe_len = width * pitch - skip;
+  int period = theatre ? width : (2 * width * pitch);
+
   for (unsigned i = 0; i < SEGLEN; i++) {
-    uint32_t col = color2;
+    uint32_t col;
     if (usePalette) color1 = SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 0);
     if (theatre) {
-      if ((i % width) == SEGENV.aux0) col = color1;
+      col = ((i % width) == SEGENV.aux0) ? color1 : color2;
     } else {
-      int pos = (i % (width<<1));
-      if ((pos < SEGENV.aux0-width) || ((pos >= SEGENV.aux0) && (pos < SEGENV.aux0+width))) col = color1;
+      int pos = ((int)(i % period) - (int)SEGENV.aux0 + period) % period;
+      if (pos < stripe_len) {
+        col = (pos % pitch == 0) ? color1 : 0;                              // foreground stripe
+      } else if (pos < stripe_len + skip) {
+        col = 0;                                                              // black gap after foreground
+      } else if (pos < 2 * stripe_len + skip) {
+        col = (((pos - stripe_len - skip) % pitch) == 0) ? color2 : 0;      // background stripe
+      } else {
+        col = 0;                                                              // black gap after background
+      }
     }
     SEGMENT.setPixelColor(i,col);
   }
 
   if (it != SEGENV.step) {
-    SEGENV.aux0 = (SEGENV.aux0 +1) % (theatre ? width : (width<<1));
+    SEGENV.aux0 = (SEGENV.aux0 + 1) % period;
     SEGENV.step = it;
   }
 }
@@ -1160,9 +1174,9 @@ static const char _data_FX_MODE_CHASE_FLASH_RANDOM[] PROGMEM = "Chase Flash Rnd@
  * Alternating color/sec pixels running.
  */
 void mode_running_color(void) {
-  running(SEGCOLOR(0), SEGCOLOR(1));
+  running(SEGCOLOR(0), SEGCOLOR(1), false, SEGMENT.custom1 >> 4);
 }
-static const char _data_FX_MODE_RUNNING_COLOR[] PROGMEM = "Chase 2@!,Width;!,!;!";
+static const char _data_FX_MODE_RUNNING_COLOR[] PROGMEM = "Chase 2@!,Width,Skip;!,!;!;;c1=0";
 
 
 /*