All marathons

Early April · West Coast · Loop

Modesto Marathon

Modesto, CA · Sunday, April 4, 2027

Event listed as: Marathon

  • Best for PR
  • Boston Qualifier

Registration opens on the organizer's site

Typical start

52°

Cooler than 29% of U.S. marathons

Modeled historical conditions

Elevation gain

100ft

Flatter than 77% of races

Estimated total climb

Field size

800

Larger than 31% of races

Estimated field

PR potential

9.4/10

Top 11%

Almanac model

Percentiles compare this race against all 224 U.S. marathons in the Almanac.

Course profile

100 ft gain · 0 ft net

Flat course, loop.

0510152026.2
Schematic profile drawn from total gain, total loss and course category, on a shared vertical scale of 200 ft. Not a surveyed GPS trace.

Race-day weather

Modeled from location, month and coastal proximity, not verified race history.

6 AM

44°

Start

52°

Midday

59°

ExcellentGoodWarmHeat risk

Typical start sits at 52°F, excellent marathon conditions.

Typical dew point 30°F, 6% chance of precipitation, wind around 7 mph. All modeled.

The bottom line

A quietly fast race that does not ask for much beyond honest pacing.

Modesto Marathon is a strong choice for a PR attempt, and Modesto offers very little meaningful elevation. The tradeoff is atmosphere: expect long quiet stretches and few spectators.

Why runners choose this race

A loop course around Modesto, CA, with very little meaningful elevation change.

The case for it

  • PR attempts
  • Boston qualification
  • Runners who want a low-key start

The tradeoffs

  • You want crowds and on-course energy

Course and logistics

Course type
Loop
Surface
Road
Profile
Flat
Total gain
100 ft(estimated)
Total loss
100 ft(estimated)
Net elevation
0 ft(estimated)
Field size
~800 runners(estimated)
Crowd support
Quiet, low-key
Entry
Easy
Entry fee
$95(most recent listed price)
Day of week
Sunday
Start / finish
Start and finish in the same area

Race details

Typical timing
Early April
Next confirmed date
Sunday, April 4, 2027
Registration
Open now
Region
West Coast
Editorial tier
Recommended
Data last reviewed
2026-08-26
  • Best for PR
  • Boston Qualifier
  • Loop course
  • Flat course
  • Easy entry

Similar races

Races with a comparable profile.

Early November · West Coast

Two Cities Marathon

Fresno, CA

Weather
52°Ftypical startModelled estimate
Field size
~1,000 runners
Course
Flat
Elevation
200 ft gain · 0 ft net

Event listed as: Full Marathon

PR9Weather9Experience7

Early February · West Coast

Surf City Marathon

Huntington Beach, CA

Weather
53°Ftypical startModelled estimate
Field size
~2,000 runners
Course
Flat
Elevation
150 ft gain

Coastal Pacific Coast Highway ocean run

PR9Weather9Experience8

Late August · West Coast

PeaceHealth Appletree Marathon

Vancouver, WA

Weather
50°Ftypical startModelled estimate
Field size
~500 runners
Course
Flat
Elevation
120 ft gain · 0 ft net

Event listed as: Marathon

PR9Weather9Experience6