const raceData = {
  ".zgm-42-runners": 191,
  ".zgm-21-runners": 200,
  ".zgm-10-runners":112,
  ".zgm-replay-runners": 4,
  ".zgm-total-runners": 522
};

for (const [selector, value] of Object.entries(raceData)) {
  const el = document.querySelector(selector);
  if (el) el.textContent = value;
}