Race Discovery
Iron Hike - Fall Olympus Mons Ultra Trail Marathon Relay - powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour | Run, Hike or Walk
Iron Hike - Fall Olympus Mons Ultra Trail Marathon Relay - powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour | Run, Hike or Walk logo

Iron Hike - Fall Olympus Mons Ultra Trail Marathon Relay - powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour | Run, Hike or Walk

Cornwall, Connecticut, United States View on map
Oct 01, 2026 – Oct 04, 2026 (America/New_York local time)
Trail running

About this race

Continue to the registration site for current registration prices.  >> Register Now!

IronHike Endurance Productions LLC is a US military veteran-owned business.

Pick your distance

Trail running

Olympus Mons Ultra - powered by Skratch Labs ® - 152+ Miles | 72,590' Elevation | 84-Hour

Oct 01, 2026 Ultra 12:00 AM
Free
Open

Typical race-day weather

Based on 5 years of Open-Meteo archive data for this event's race dates in Cornwall, plus the 3 days either side.

Temp (°C)
Minimum temperature (race-week average) 10.5° / Maximum temperature (race-week average) 19.1°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-week average) 9.4° / Maximum feels like — heat index / wind chill (race-week average) 19.2°
Peak wind (km/h)
Strongest wind of the day (race-week average)
15.2
Precip (mm)
Precipitation over the day (race-week average)
4.6mm
Humidity
Mean relative humidity (race-week average)
79.0%
Sunrise
Sunrise at the start line on October 1, 2026 (EDT)
Sunset
Sunset at the start line on October 1, 2026 (EDT)
Daylight
Hours between sunrise and sunset on race day
11h 44m

The sun rises at 6:50 AM and sets at 6:35 PM local time (EDT) in Cornwall on October 1, 2026 — 11h 44m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Other races near Cornwall

Different organizers, within 40 miles, in the next three months

Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 24 Cornwall events

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