<svg viewBox="0 0 280 140" xmlns="http://www.w3.org/2000/svg">
  <path fill="none" stroke="black" stroke-linecap="round" stroke-width="15" d="M20 120 L80 20 L140 100 L200 20 L260 120" />
  <circle r="7" fill="white">
    <animateMotion dur="10s" repeatCount="indefinite" path="M20 120 L80 20 L140 100 L200 20 L260 120" />
  </circle>
</svg>
svg {
  width: 70%;
  margin: auto;
  display: block;
}
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