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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • Half Marathon
  • 21.1 km
  • Costa Mesa
  • Event dates –
  • Open entry

Hoag OC Marathon Running Festival Half Marathon

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2027 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

Modelled energy-cost change -0.3% versus flat · net elevation -32 m

View verified GPS mapOfficial event website & entry ↗
Plan my trainingPlan my paceData current as of

Decision summary

Hoag OC Marathon Running Festival Half Marathon at a glance

Route ascent
125 m

Lower than 61% of comparable mapped races

Typical conditions
75/100

Historical race-date favourability, not a forecast

Evidence depth
16 verified facts

Stored GPS route

Quick answers

What runners ask first

Hoag OC Marathon Running Festival Half Marathon route map

raceindex.org has a GPS course file for Hoag OC Marathon Running Festival Half Marathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.

How hilly is the Hoag OC Marathon Running Festival Half Marathon?

The Hoag OC Marathon Running Festival Half Marathon route has 125 m of ascent, 157 m of descent and an estimated -0.3% grade-adjusted pace penalty versus a flat route.

Where does the Hoag OC Marathon Running Festival Half Marathon route go?

Underfoot, expect a road course. The setting includes coastal and waterfront.

Race character

Scenery

  • Coastal
  • Waterfront
  • City
  • Parkland

Atmosphere

  • Festival
  • Scenic Tour
  • Community

Terrain

  • Road
  • Beach

Entry, logistics and records

Records and field

Field size
The festival has grown to over 23,000 participants across all events.

Entry requirements

Entry status
Open entry: The held registration model is open entry and this edition is not marked sold out.

Race day logistics

Expo / packet pickup
Free two-day Health and Fitness Expo at the OC Fair & Event Center, Friday May 1 and Saturday May 2, featuring running, health and nutrition products.

How hilly is the Hoag OC Marathon Running Festival Half Marathon?

15%72%12%
  • Steep descent 0%
  • Descent 15%
  • Flat 72%
  • Climb 12%
  • Steep climb 0%
Total ascent
125 m
Net elevation
−32 m
GAP factor
-0.3%
Longest climb
660 m at 2.6%
Gradient mix and ascent are derived from the course geometry under our published normalisation, not taken from organiser marketing.

What are typical race-day conditions?

  • 16°CTypical temperature
  • 19 kphTypical wind
  • 1 mmTypical rainfall
  • 75Favourability /100
Typical conditions for the race date and locality, warmer than the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

More race details

Is the Hoag OC Marathon Running Festival Half Marathon flat?

Its normalised GAP factor is -0.3% slower than a flat course, with about 125 m of total ascent.

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (3)

Read the full methodology →