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RACE PREVIEW / 2027

OC Marathon

ORANGE COUNTY, CALIFORNIAUPCOMING
26.2 MI

Net downhill. Three meaningful hills.

Course

OFFICIAL COURSE / PRE-RACE

OC Marathon / official course schematicOrganizer course schematic: VEA Newport Beach start; Corona del Mar, Bayside Drive, Newport Harbor and Upper Newport Bay; north toward Irvine and South Coast Plaza, through Santa Ana, then south along the Santa Ana River Trail and Mesa Verde to the OC Fair and Event Center in Costa Mesa. Selected official mile markers; not GPS geometry or a navigational map.
OFFICIAL COURSE / PRE-RACE · SCHEMATICSOURCE MAP ↗ (opens in a new tab)

Interpretation of the course map currently linked from the organizer’s 2027 event page. The map asset is dated 2026; this is a pre-race reference, not independently confirmed final 2027 geometry. No personal 2026 activity track is used.

Elevation

OFFICIAL PROFILE / SCHEMATIC

OC Marathon / official elevation profileOfficial schematic profile stitched into continuous distance order from the supplied four-strip screenshot. Net downhill, with an early rise and descent, then significant hills near miles 6.5 to 7, 11 and 14.5 at the 405 freeway overpass. Relative artwork heights are not measured elevation samples.OC Marathon / official elevation profileOfficial schematic profile stitched into continuous distance order from the supplied four-strip screenshot. Net downhill, with an early rise and descent, then significant hills near miles 6.5 to 7, 11 and 14.5 at the 405 freeway overpass. Relative artwork heights are not measured elevation samples.
COURSE PROFILE / OFFICIAL MATERIAL · VISUAL REFERENCE, NOT GPS SAMPLES

Newport Beach to Costa Mesa, by way of the coast, Upper Newport Bay and Santa Ana.

6.5–7 MI / FIRST HILL11 MI / SECOND HILL14.5 MI / 405 OVERPASS

Course facts

2027 / ORGANIZER INFORMATION

DISTANCE
26.2 MI
START TIME
5:30 AM
START
VEA Newport Beach
FINISH
OC Fair & Event Center / Costa Mesa
USATF CERTIFICATION
CA25003RG
TIME LIMIT
7 HOURS
START ELEVATION
218 FT
FINISH ELEVATION
62 FT
QUALIFICATION
Boston qualifier

Race day

THE COURSE AHEAD

6.5–7.0 MI / FIRST HILL

The organizer describes a rise from approximately 15 to 75 feet.

11 MI / SECOND HILL

A second hill interrupts the otherwise mostly flat middle stretch.

14.5 MI / 405 OVERPASS

The final significant hill is described as an approximately 55-foot incline. The remaining course has only minor inclines.