- Weather
- 57°Ftypical start
- Field size
- ~400 runners
- Course
- Flat
- Elevation
- 100 ft gain · 0 ft net
Event listed as: Marathon
PR8.9Weather8.0Experience6.0
All marathons
Early November · Midwest · Loop
Rock CF Thumb Coast Marathon, Half Marathon & 5K
Port Austin, MI
Event listed as: Marathon
- Best for PR
- Boston Qualifier
Registration opens on the organizer's site
- Typical start temp
- 33°F(estimated)
- Field size
- ~400 runners(estimated)
- Course
- Flat
- Elevation
- 100 ft gain · 0 ft net(estimated)
Why runners choose this race
A loop course around Port Austin, MI, with very little meaningful elevation change.
Good fit if
- · PR attempts
- · Boston qualification
- · Runners who want a low-key start
Think twice if
- · You want crowds and on-course energy
Course and logistics
- Course type
- Loop
- Surface
- Road
- Total gain
- 100 ft(estimated)
- Total loss
- 100 ft(estimated)
- Net elevation
- 0 ft(estimated)
- Field size
- ~400 runners(estimated)
- Crowd support
- Quiet, low-key
- Entry
- Easy
- Entry fee
- $115(most recent listed price)
- Day of week
- Sunday
- Start / finish
- Start and finish in the same area
Race details
- Typical timing
- Early November
- Next confirmed date
- Sunday, November 8, 2026
- Registration
- Open now
- Region
- Midwest
- Editorial tier
- Recommended
- Prestige
- 5.0/10(estimated)
- Data last reviewed
- 2026-08-26
Event listed as: Marathon
Good to know
- Best for PR
- Boston Qualifier
- Loop course
- Flat course
- Easy entry
Race-day weather
Modelled from location, month and coastal proximity — not verified race history.
ExcellentGoodWarmHeat risk
Typical start sits at 33°F — good conditions.
Similar races
- Weather
- 39°Ftypical start
- Field size
- ~400 runners
- Course
- Flat
- Elevation
- 100 ft gain · 0 ft net
Event listed as: Marathon
PR9.0Weather8.4Experience6.0
- Weather
- 55°Ftypical start
- Field size
- ~500 runners
- Course
- Flat
- Elevation
- 50 ft gain · 0 ft net
Event listed as: Marathon
PR9.0Weather8.5Experience6.5