
About the event
Taking place on July 27, 2025, the Calero Hills Trail Fest 10km invites runners to experience the charm of Calero County Park in a shorter, yet invigorating, race. With an elevation gain of 800 feet, this course is designed to offer a satisfying challenge without overwhelming those new to trail running. Organized by Troy's California Trail Runs, the 10km race is ideal for runners of all levels who want to explore trail running in a supportive and beautiful setting. The race’s varied terrain provides a taste of what trail running is all about, making it a great introduction to the sport.
Date:
Sat
Jul 26
2025
Location:
Distance:
Elevation profile:
Hilly
Website:
LinkElevation gain:
Number of participants:
Find the best training plan for your goals and the distance you’re planning to run:
Stories from Runnas
The Calero Hills Trail Fest 10km, set for July 27, 2025, offers a moderate challenge with an elevation gain of 800 feet. Organized by Troy's California Trail Runs, this race provides an accessible entry point for trail runners looking to enjoy the natural beauty of Calero County Park.
If you are an official race organiser with any questions about this page, please get in touch: races@runna.com
Other races you might like
Our partners














$19.99
$119.99
$19.99
$129.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
AUD$29.99
AUD$179.99
19.99 €
119.99 €
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
19.99 €
119.99 €
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
19.99 €
119.99 €
$19.99
$119.99
99.90 R$
599.90 R$
$19.99
$119.99
$19.99
$119.99
39.99 BGN
249.99 BGN
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
CAD$27.99
CAD$162.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$17,990
$99,990
¥128
¥798
$99,900
$599,900
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
19.99 €
119.99 €
19.99 €
119.99 €
Kč 499.00
Kč 2,990.00
$19.99
$119.99
kr 149.00
kr 999
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
E£599.99
E£3499.99
$19.99
$119.99
19.99
119.99 €
$19.99
$119.99
$19.99
$119.99
19.99 €
119.99 €
19.99 €
119.99 €
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
19.99 €
119.99 €
$19.99
$129.99
19.99 €
119.99 €
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$148.00
$888.00
Ft 7,990.00
Ft 49990
$19.99
$129.99
1,999.00 ₹
9,900.00 ₹
Rp 299,000.00
Rp 1,999,000
$19.99
$119.99
19.99 €
119.99 €
59.90 ₪
399.90 ₪
19.99 €
119.99 €
$19.99
$119.99
¥2,500
¥15,000
$19.99
$119.99
₸9,990
₸59,990
$19.99
$129.99
25,000 ₩
149,000 ₩
19.99 €
119.99 €
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
19.99 €
119.99 €
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
19.99 €
119.99 €
19.99 €
119.99 €
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
RM 79.90
RM 499.90
$19.99
$119.99
$19.99
$119.99
19.99 €
119.99 €
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$399
$2,299
$19.99
$119.99
$19.99
$129.99
$19.99
$119.99
19.99 €
119.99 €
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
19.99 €
119.99 €
$29.99
$199.99
$19.99
$119.99
$19.99
$119.99
₦9,900.00
₦49,900
$19.99
$119.99
kr 229.00
kr 1490
$19.99
$119.99
Rs 4,900
Rs 29,900
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
69.90 PEN
399.90 PEN
999.00 ₱
5,990.00 ₱
zł 99.99
zł 599.99
19.99 €
119.99 €
69.99 QAR
399.99 QAR
lei 99.99
lei 599.99
₽1,490.00
₽9,990
$19.99
$119.99
79.99 SAR
499.99 SAR
$19.99
$119.99
19.99 €
119.99 €
$19.99
$119.99
$19.99
$119.99
$24.98
$149.98
19.99 €
119.99 €
19.99 €
119.99 €
$19.99
$119.99
R 399.99
R 2,299.99
19.99 €
119.99 €
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
kr 229.00
kr 1,329.00
18.00 CHF
100.00 CHF
$19.99
$119.99
$590.00
$3,990
$19.99
129.99
39,900.00 TZS
249,900.00 TZS
699.00 THB
3990.00 THB
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
₺399.99
₺2,499.99
$19.99
$119.99
$19.99
$119.99
69.99 AED
399.99 AED
15.99 £
99.99 £
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99
499,000 ₫
2,999,000 ₫
$19.99
$119.99
$19.99
$119.99
$19.99
$119.99