JB weld and a radiator top up from the water backpack might of fixed that and at least got you to the finish line? shame about the crash.. great riding otherwise!
Zoleo to zoleo or Stuck in the middle of nowhere without iridium go for rescue side with no local 5G tower (IRIDIUM iOT satellite WiFi isn't so spot on in the Woods unless high ground hiking or on high seas) will send by iridium iOT satellite or Garmin SOS GPS satellite SMS calls.