2021 - Ancient Oaks 100-Mile Endurance Run
2021 distances
Trail running
100-Mile Run
You must receive an Invitation to Run in order to be placed on the Entrants List. There is no fee to enter the race. Anyone can request an Invitation to Run. There are no requirements for entry. There is nothing that will give you a preference for gaining entry into the race, with one exception - people who volunteer at AO100 will earn a guaranteed entry into a future race. The race consists of completing 29 loops of a 3.46-mile course for 100.3 miles within the allotted time of 32 hours. There are NO other finishing options. You either complete 29 loops or you are listed as a DNF. There is no belt buckle for finishing AO100, but all finishers will receive a hand-made award of some sort, yet to be determined. If you want a belt buckle for finishing the 100-mile race, then you should enter one of the more than 150 other 100-mile races that offer belt buckles for finishing. There will be little aid offered - the only thing you should expect at the aid station is water. There may be a variety of items at the aid station, but you should not expect anything beyond water. If you really need that fair-trade, free-range, no-kill soy latte with almond butter whip at the race, then you should plan on bringing it yourself.
Running
Wait List
Race date Weather
Conditions on December 18, 2021 — historical Open-Meteo data.
Course
Route map and elevation profile
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Results — Ancient Oaks 100-Mile Endurance Run
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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 2 Titusville events
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