Example

by Ayyappan Sakthivadivel

HTML

<!-- Learn about this code on MDN: https://developer.mozilla.org/en-US/docs/Web/SVG/Element/animateMotion -->

<?xml version="1.0"?>
<svg width="120" height="120" viewBox="0 0 120 120"
    xmlns="http://www.w3.org/2000/svg" version="1.1"
    xmlns:xlink="http://www.w3.org/1999/xlink">
  <!-- Draw the outline of the motion path in grey, along
       with 2 small circles at key points -->
  <path d="M10,110 A120,120 -45 0,1 110 10 A120,120 -45 0,1 10,110"
      stroke="lightgrey" stroke-width="5" 
      fill="none" id="theMotionPath"/>
  <!-- Red circle which will be moved along the motion path. -->
  <circle cx="" cy="" r="10" fill="red">
    <!-- Define the motion path animation -->
    <animateMotion dur="6s" repeatCount="indefinite">
      <mpath xlink:href="#theMotionPath"/>
    </animateMotion>
  </circle>
</svg>

CSS

.path1 {
  stroke-dasharray: 430;
  stroke-dashoffset: 0;
  animation: dash1 15s linear infinite;
	}

	@keyframes dash1 {
  from {
    stroke-dashoffset: 2500;
  }
  to {
    stroke-dashoffset: 0;
  }
	}
  
  .st3{fill:#FFFFFF;stroke:#1B7899;stroke-width:5; stroke-miterlimit:10;}