My servo motor moves slowly. Help me please!

Need Help With My Project
1 
#define BLYNK_PRINT Serial


#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>

char auth[] = "************************************";

char ssid[] = "**************";
char pass[] = "************";

#include <Servo.h>. 
// Defines Tirg and Echo pins of the Ultrasonic Sensor
const int trigPin = D7;
const int echoPin = D8;
// Variables for the duration and the distance
long duration;
float distance;
float sensorMin;
int y;
Servo myServo; // Creates a servo object for controlling the servo motor

void setup() {
  Blynk.begin(auth, ssid, pass);
  pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output
  pinMode(echoPin, INPUT); // Sets the echoPin as an Input
  Serial.begin(115200);
  myServo.attach(D6); // Defines on which pin is the servo motor attached
  
  
}
void loop() {
  // rotates the servo motor from 15 to 165 degrees
  
  sensorMin = calculateDistance();
  for(int i=15;i<=165;i++){
  Blynk.run();
  Blynk.virtualWrite(V3,i);
  myServo.write(i);
  delay(20);
  distance = calculateDistance();// Calls a function for calculating the distance measured by the Ultrasonic sensor for each degree
  
  if (distance < sensorMin){ 
    y = i; //hold angle of servo motor
    sensorMin = distance;
    Blynk.virtualWrite(V1,y);
    Blynk.virtualWrite(V4,sensorMin);
    
  Serial.print(i); // Sends the current degree into the Serial Port
  Serial.print(","); // Sends addition character right next to the previous value needed later in the Processing IDE for indexing
  Serial.print(y); // Sends the hold degree into the Serial Port
  Serial.print(","); // Sends addition character right next to the previous value needed later in the Processing IDE for indexing
  Serial.print(sensorMin); // Sends the distance value into the Serial Port
  Serial.print("\n.\n"); // Sends addition character right next to the previous value needed later in the Processing IDE for indexing
  }
  // Repeats the previous lines from 165 to 15 degrees
  for(int i=165;i>15;i--){  
  Blynk.run();
  Blynk.virtualWrite(V3,i);
  myServo.write(i);
  delay(20);
  distance = calculateDistance();
  if (distance < sensorMin){
    y = i; //hold angle of servo motor
    sensorMin = distance;
    Blynk.virtualWrite(V1,y);
    Blynk.virtualWrite(V4,sensorMin);
    

  Serial.print(i); // Sends the current degree into the Serial Port
  Serial.print(","); // Sends addition character right next to the previous value needed later in the Processing IDE for indexing
  Serial.print(y); // Sends the hold degree into the Serial Port
  Serial.print(","); // Sends addition character right next to the previous value needed later in the Processing IDE for indexing
  Serial.print(sensorMin); // Sends the distance value into the Serial Port
  Serial.print("\n.\n"); // Sends addition character right next to the previous value needed later in the Processing IDE for indexing
  }
}
// Function for calculating the distance measured by the Ultrasonic sensor
float calculateDistance(){ 
  
  digitalWrite(trigPin, LOW); 
  delayMicroseconds(2);
  // Sets the trigPin on HIGH state for 10 micro seconds
  digitalWrite(trigPin, HIGH); 
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  duration = pulseIn(echoPin, HIGH); // Reads the echoPin, returns the sound wave travel time in microseconds
  distance= duration*0.034/2;
  return distance;
}
2

@11147 welcome.

Don’t post unformatted code or your token.
Check PUSH_DATA example to see how loop() should be structured when Blynking.