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This page covers the 2026 edition, which has already taken place. See the next Rock 'n' Roll San Jose (October 2, 2027) →
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Rock 'n' Roll San Jose

Rock 'n' Roll San Jose: a fast, flat downtown course with live music and a party atmosphere.

Race Date

Oct 4, 2026

Location

San Jose, CA

Runner Favorite87

Quick facts

Date
Sunday, October 4, 2026
Location
San Jose, California
Distance
Half marathon (13.1 mi) + 10K run
Course
Point to Point
Terrain
Road
USATF certified
Yes
Finishers on record
124,588

Highlights

Good For

BQ RelevantPR Friendly

Atmosphere

Party FinishBig Crowd EnergyGreat Post Race

Course

Fast Flat

The Experience

Rock 'n' Roll San Jose has been a staple of the running calendar for 19 editions, drawing around 3,300 runners to downtown San Jose each year. The course is a flat, USATF-certified point-to-point route with a net drop, making it a prime candidate for personal bests and Boston qualifiers. About 31% of participants return year after year, lured by the fast profile and the city's vibrant backdrop.

Race day features live music along the course and a festive atmosphere at the finish, with a 10K and 5K also on offer. The typical weather is warm—highs around 86°F—so runners should prepare for sun, but the downtown setting provides plenty of energy from spectators and fellow participants. The after-party continues the rock 'n' roll theme, with music and celebration for finishers.

With its straightforward logistics and reputation for speed, Rock 'n' Roll San Jose appeals to both first-timers chasing a PR and seasoned runners seeking a quick, well-organized race. The course's flat terrain and consistent weather make it a reliable choice for those targeting specific times or simply enjoying a music-fueled race weekend.

Race-provided description

The Rock 'n' Roll Running Series San Jose is a fast-paced, music-filled race weekend, featuring a half marathon, 10K, 5K, and KiDS ROCK, all set against the vibrant backdrop of downtown San Jose.

Logistics

Race Day

Sunday, October 4, 2026

Start Time

TBA

Start Location

San Jose, CA

Directions

Course Info

USATF Certified

Course Type

Point to Point

Terrain

road

Scenery

Urban

Difficulty

Ultra-Flat

Net Drop/km

-0.36 m

Separation

1.0%

Also Offers

10K run

USATF Certified Course

CA24018TEB · 2024 San Jose Half Marathon

Relatively flat with minimal net elevation change. Loop course — start and finish are close together.

Quality Score

Runner Favorite87
Methodology
Heritage20/20

19 years running

Size15/15

~3,627 finishers a year

Momentum5/5

growing or steady

Loyalty20/20

29% returning runners

Course & details12/15

USATF certified · 6 timing sources

National draw10/10

runners from 48 states

Front-pack speed5/5

winner 1:05:06

Weather0/10

typical high 84°F

Race Day Weather

5-year historical avg

Start (Low)

61°

Afternoon (High)

86°

Hot conditions — adjust pace expectations, prioritize hydration

0.0"

Precipitation

11 mph

Wind

51%

Humidity

Historical Finish Times

How 124,588 finishers actually crossed the line across 19 years.

Most recent

2025

Total finishers

124,588

Median time

2:13:53

Latest turnout

4,613

States

51

10%
25%
75%
90%
1:00p50 median ≈ 2:156:20

Turnout by year

2018–2025

'18'19'20'21'22'23'24'25
See full results

Hover the histogram to inspect specific finish times.

Race Photos

Frequently asked

When is the Rock 'n' Roll San Jose?

The Rock 'n' Roll San Jose was held on Sunday, October 4, 2026. The next edition is on October 2, 2027.

Where does the Rock 'n' Roll San Jose take place?

It takes place in San Jose, California.

What distances does the Rock 'n' Roll San Jose offer?

The half marathon (13.1 miles), plus 10K run.

Is the Rock 'n' Roll San Jose course flat and good for a PR?

The Rock 'n' Roll San Jose is a ultra-flat, point to point course. The course is USATF-certified, so finish times can be used for qualifying.

How many people run the Rock 'n' Roll San Jose?

HalfRuns has finish records for 124,588 runners who have completed the Rock 'n' Roll San Jose.

HalfRuns editorial — independent, no paid placement.

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