public async Task <IActionResult> AssignMarker(AssignMarkerToHeatViewModel model, int competitionInstanceId, int competitionId, int markerId)
 {
     if (await _markerService.AssignMarkerToHeatAsync(model) == false)
     {
         return(Json("Guntime already set for heat"));
     }
     return(RedirectToAction("Markers", new { competitionInstanceId, competitionId }));
 }