===================================================================
--- original.js
+++ change.js
@@ -180,11 +180,11 @@
 							self.y = linesGroundLevels[self.lineIndex];
 							// Define speed for next hurdle => Defines the Difficulty
 							//self.nextHurdleSpeedX = -1 + (-5 + 10 * Math.random()); // Level 1/3
 							//self.nextHurdleSpeedX = 0 + (-5 + 15 * Math.random()); // Level 2/3
-							self.nextHurdleSpeedX = -1 * Math.min(0, 2 - difficultyLevel) + (-5 + 10 * Math.random() * (1 + 0.5 * (difficultyLevel - 1))); // Level n
+							self.nextHurdleSpeedX = -2 * Math.min(0, 2 - difficultyLevel) + (-5 + 10 * Math.random() * (1 + 0.5 * (difficultyLevel - 1))); // Level n
 							if (difficultyLevel == 1 && obstacles[self.lineIndex].length <= 3 && self.x > athlete.x) {
-								self.nextHurdleSpeedX = -1 - 1 * Math.abs(self.nextHurdleSpeedX); // Level 1/3
+								self.nextHurdleSpeedX = -2 - 1 * Math.abs(self.nextHurdleSpeedX); // Level 1/3
 							}
 						} else {
 							self.jumpAnim();
 						}
@@ -258,8 +258,13 @@
 							}
 							self.jumpAnim();
 						}
 					}
+					// Update athlete speed
+					if (self.isOnGround && !finishLine.isCut && Date.now() - lastRunTime > 1000) {
+						speedGauge = Math.max(0, speedGauge - 0.001 * (Date.now() - lastRunTime) / 1000);
+						globalSpeedPerLine[0] = globalBaseSpeed * speedGauge;
+					}
 				} else {
 					// Falling
 					self.y += 5;
 					self.fallAnim();
@@ -269,13 +274,8 @@
 						self.speedY = 0;
 						self.y = linesGroundLevels[self.lineIndex] + 200;
 					}
 				}
-				// Update athlete speed
-				if (Date.now() - lastRunTime > 1000) {
-					speedGauge = Math.max(0, speedGauge - 0.05 * (Date.now() - lastRunTime) / 1000);
-					globalSpeedPerLine[0] = globalBaseSpeed * speedGauge;
-				}
 			} else {
 				if (self.finishPosition == 1) {
 					self.victoryAnim();
 				}
@@ -845,9 +845,9 @@
 var scoreTxt;
 var drone;
 var bonusManager;
 var currentFinishPosition = 1;
-var difficultyLevel = 2;
+var difficultyLevel = 1;
 var droneEnrtyObstacleNumber = 5;
 var droneStaySeconds = 3;
 var globalBaseSpeed = -20 - 10 * difficultyLevel;
 var globalSpeedPerLine = []; // Global speed for tracks and obstacles default -10 / min = -4
@@ -973,18 +973,30 @@
 	initPlayingState();
 }
 function gamePlayingDown(x, y, obj) {
 	log("gamePlayingDown ...");
-	if (athlete.isRunning && !finishLine.isCut) {
-		if (x < game.width / 2) {
-			lastRunTime = Date.now();
-			speedGauge = Math.min(1, speedGauge + 0.2);
-		} else {
-			speedGauge = Math.min(1, speedGauge + 0.1);
-			// Make the athlete jump
-			athlete.jump();
+	if (!finishLine.isCut) {
+		if (athlete.isRunning && !athlete.isFalling) {
+			var speedGaugeDelta = 0;
+			if (x < game.width / 2) {
+				lastRunTime = Date.now();
+				// Animate runButton to simulate a button press
+				runButton.width *= 0.95;
+				runButton.height *= 0.95;
+				LK.setTimeout(function () {
+					runButton.width /= 0.95;
+					runButton.height /= 0.95;
+				}, 100);
+				// Make the athlete run
+				speedGaugeDelta = speedGauge ? 0.3 : 0.6;
+			} else {
+				speedGaugeDelta = speedGauge ? 0.1 : 0.2;
+				// Make the athlete jump
+				athlete.jump();
+			}
+			speedGauge = Math.min(1, speedGauge + speedGaugeDelta);
+			globalSpeedPerLine[0] = globalBaseSpeed * speedGauge;
 		}
-		globalSpeedPerLine[0] = globalBaseSpeed * speedGauge;
 	} else {
 		log("gamePlayingDown : raceFinishTime : " + raceFinishTime + " => " + (Date.now() - raceFinishTime));
 		if (Date.now() - raceFinishTime > 1000) {
 			// Return to menu