| Date: | Saturday, July 03-04, 2027 |
|---|---|
| Location: | CALERO COUNTY PARK 23205 MCKEAN RD. SAN JOSE, CA. |
| Race Distances: | 100k 54Mi 50k 26Mi 25k |
| Start Time: | 3:45 AM 7/3/27 Inside Calero Park for set up. 4:00 AM Runner Check in Opens. 4:45 AM Trail Briefing 5:00 AM 100k 54Mi Race Starts 3:00 AM 7/4/27 Race Over. Start 5:00 AM to 3:00 AM Time Limit 22 Hours for 100k 54Mi Runners. Start 8:00 AM to 5:00 PM Time Limit 10 Hours 50k 26Mi 25k. 50k is 32 Miles. |
| Start Line Location: | CALERO COUNTY PARK 23205 MCKEAN RD. SAN JOSE, CA. |
| Finish Line Location: | CALERO COUNTY PARK 23205 MCKEAN RD. SAN JOSE, CA. |
| Overall Cut-Off Times: | Start 5:00 AM to 3:00 AM Time Limit 22 Hours for 100k 54Mi Runners. Start 8:00 AM to 5:00 PM Time Limit 10 Hours 50k 26Mi 25k |
About the Race
7/3/4/27 Calero Hills Hardcore Ultras
100k 54Mi 50k 26Mi 25k
3:45 AM 7/3/27 Inside Calero Park for set up.
4:00 AM Runner Check in Opens.
4:45 AM Trail Briefing
5:00 AM 100k 54Mi Race Starts
3:00 AM 7/4/27 Race Over.
Start 5:00 AM to 3:00 AM Time Limit 22 Hours for 100k 54Mi Runners.
Start 8:00 AM to 5:00 PM Time Limit 10 Hours 50k 26Mi 25k.
50k is 32 Miles.
1:00 PM MILE 16 50k 26Mi 25k At Calero Park.
25k Done at mile 16 at Calero Park.
50k 26Mi Runners must be out of Calero Park Aid Station continuing on course.
50k 26Mi Race Over at 5:00 PM at Calero Park DONE.
50k at MILE 32 at Calero Park.
26Mi at Mile 26.8 At Calero Park.
Bathrooms for event.
1. Calero Park Start Finish first
2. Rancho Canada del Oro
Start Finish Staging Area Calero Park
Event combines Calero Park SCC Parks & Rancho Canada del Oro SCC Open Space Authority Ivy
Course Very Hilly single track dirt roads combined shaded sections exposed sections oak trees no creek crossings.
Wildlife Concerns
Rattlesnakes
Mtn Lions
Poison oak along course.
Weather be prepared for anything
Normally Hot
Lights Required at dark.
Pacer info 100k 54Mi when & where to pick up your runner.
Please inform Staff at Start Finish you want to pace & you will be allocated a bib.
One Pacer at a time.
No Muling.
1. Mile 32 Calero Park Start Finish first opportunity to start pacing 100k 54Mi runners.
2. Mile 54 at Calero Start Finish 100k runners.
3. Mile 58 Rancho Canada del Oro Turn Around at Aid Station in the Rancho Canada del Oro parking lot.
Drop Bags locations
1. Start Finish Calero Park
Mile 16 mile 32 / 54 100k Runners
Mile 16 mile 32 / 54Mi Runners
Mile 16 50k Runners
Mile 16 26Mi Runners
Crew Information
2 locations to see your runners.
1. Calero Park Start Finish.
2. Rancho Canada del Oro Aid Station a 10 minute drive from Calero Park.
Calero Park 100k 54Mi Runners Mileage.
Miles 16 32 54
Rancho Canada del Oro 100k 54Mi Runners Mileage.
Miles 4 28.
Rancho Canada del Oro 100k Runners Mileage.
Mile 58 Turn Around.
Calero Park 50k 26Mi Runners Mileage.
Mile 16.
Airport San Jose
Lots of Lodging San Jose & Morgan Hill
Stores & gas 15 minutes from Calero Park
Safeway Almaden on Almaden Expressway & Crown.
Gas in shopping center.
Course information
6:30 AM MILE 4 Rancho Canada del Oro parking lot Aid Station PACE TIME for 100k 54Mi.
5:30 AM Rancho Canada del Oro Aid Station OPENS
1:15 AM 7/4/ CLOSES
9:00 AM MILE 13 Cottle Aid Station PACE TIME for 100k 54Mi.
7:00 AM OPENS
5:30 PM CLOSES
STAGE 1 16 MILE Clockwise Loop.
All Distances first run this 16 mile Clockwise loop following PINK RIBBONS tied to Clothespins.
First loop 100k 54Mi 50k 26Mi 25k run one loop Clockwise & finish the loop at mile 16 At Calero Park.
25k DONE.
10:30 AM CUTOFF TIME MILE 16 100k 54Mi Runners at Calero Park.
After completing first Clockwise loop leaving Calero Park for second time.
100k 54Mi 50k REVERSE Course just ran following PINK RIBBONS now COUNTERCLOCKWISE RETURNING to Calero Park at mile 32.
1:00 pm CUTOFF TIME MILE 16 (ENFORCED) 50k after completing 16 mile Clockwise loop returning to Calero Park at mile 16 & now reversing 16 mile loop just ran.
50k at mile 16 second time out run Counterclockwise 16 mile loop returning to Calero Park at mile 32 DONE.
4:30 PM STAGE 2 CUTOFF TIME MILE 32 at Calero Park for 100k 54Mi Runners to already be leaving Calero Park Aid Station.
1:00 PM CUTOFF TIME 26 Milers at MILE 16 after completing first 16 mile Clockwise loop.
Now run Stage 2 leaving Calero Park.
Run Out & Back Section to Cottle Aid Station Following YELLOW RIBBONS.
Turn Around at Cottle Aid Station Return to Calero Park Finish Line DONE.
5:00 PM 26 Mile Race Over.
4:00 PM STAGE 2 CUTOFF TIME (STRICTLY ENFORCED) for 100k 54Mi Runners to be out of Calero Park Aid Station continuing on course STAGE 2 MILE 32 At Calero Park.
Leaving Calero Park 100k 54Mi.
Now Run STAGE 2 Following YELLOW RIBBONS for 5.4 miles to Cottle Aid Station.
5:30 PM CUTOFF TIME (NOT ENFORCED) Mile 37.4 Cottle Aid Station 100k 54Mi Runners.
5:30 PM CUTOFF TIME Mile 37.4 100k 54Mi Continue following YELLOW RIBBONS for another 7.2 miles running a Counterclockwise loop returning to the Cottle Aid Station MILE 44.6.
8:00 PM CUTOFF TIME (NOT ENFORCED) Mile 44.6 Cottle Aid Station
100k 54Mi Runners leaving Cottle Aid Station now follow ORANGE RIBBONS for 9.5 MILES returning to Calero Park at MILE 54.
54 MILERS DONE at Calero Park.
11:30 PM CUTOFF TIME STAGE 3 MILE 54 at Calero Park Runners must be out of Aid Station.
100k RUNNERS ONLY back out.
100k Runners run out 4 miles Turn Around at Aid Station return to Finish DONE.
Out & Back Section Following PINK RIBBONS to Rancho Canada del Oro Aid Station Mile 58 Turn Around.
1:00 AM CUTOFF TIME Mile 58 Rancho Canada del Oro Aid Station 100k Runners return to Calero Park mile 62 DONE.
Race Over 3:00 AM 22 Hour Time Limit.
TWO Aid Stations on 16 Mile Loop.
1. Mile 4 Rancho Canada del Oro parking lot Aid Station.
Crew Access ok
Bathroom available
2. Mile 13 Cottle Aid Station located inside Calero Park NO CREW ACCESS.
3 Water Stops on 16 Mile Loop.
Mile 9
Mile 10
Mile 15