Medusa 100
Trail run
100Mi | 100k | 50k | 10MI | 5K |
100Mi | 100k | 50k | 10MI | 5K |
TBD
TBD 2025
Challenge yourself to go the distance. With a 10ish mile loop, aid stations every 3 to 4 miles, and a generous cutoff, this is a great race for your first ultra, running an ultra without a crew, or to dip your toes into trail running. The course is on soft natural trail system that winds its way through woodlands, open pastures, and the Medina River bottomland.
100 mile - 7:00am start | 10 loops, 32 hour cutoff
100 kilometer - 7:30am start | 6 loops
50 kilometer - 8:00am start | 3 loops
10 mile - 4:00PM start | 1 loop
5 kilometer - 4:30PM start | 1 lollipop loop
Pacers are allowed to join runners after 5:00PM on Nov 4th. Course closes 3:00pm on Sunday Nov 5th.
Packet Pick Up
routes
All routes will be clearly marked. 10 mile loop will have reflective marking.
5k route will be marked with yard signs.
10 Mile loop
10 mile - 1 loop
50k - 3 loops
100k - 6 loops
100 mile - 10 loops
5k lollipop
What's provided.
The 10 mile loop will have 3 aid stations, no more than 4 miles apart.
Aid stations will be stocked with water, Skratch Lemon & Lime flavor, and snacks.
We are committed to zero trace and being as green as we can. This is a cupless race. There will be NO cups at the aid stations for water.
0.0 Start/Finish line (restroom)
3.4 Ultra Reina Station
7.5 Shed (restroom)
5k route will not have an aid station.
Aid Stations
Rules
Crew & Pacers
Crew is allowed at any aid station. They will need to walk or bike to the aid station.
Pacers are allowed at any time after 5pm. Please sign up as a “Volunteer” and “Pacer” under Ultra Signup. Check in at the start line to get your pacer bib.
Drop bags will be at the start/finish line.
Cutoffs
Course closes at 3:00PM on Sunday November 5th for all courses.
Distance Changes
Change your distance at any time through Ultra Signup. Last chance to change your distance online is November 3rd. You can also change your distance in person at packet pick up.
Cancellations & Transfers
Change your distance at any time through Ultra Signup. Last chance to change your distance is November 3rd.
Transfer your bib to anyone via Ultra Signup by November 3rd.
Cancel registration by 10/4/2023.
Pregnancy deferral - if you become pregnant you may defer your race entry for the 100k or 100 mile. Please email us at racechingona@gmail.com
Lodging
Preferred hotels -
Embassy Suites San Antonio Brooks Hotel & Spa 7610 S New Braunfels Ave, San Antonio, TX 78235
Hotel Valencia Riverwalk 150 E Houston St, San Antonio, TX 78205
Camping -
8 campsites with electric and water hookups for tent or RV boondock camping. These are first come first serve.
Camping is not allowed Friday night
Directions
Parking
Weather
Please be prepared for anything. South Texas weather is fickle. The event is rain or shine.
Check the local weather forecast here.