Wednesday, December 9, 2026 – Sunday, December 13Dawsonville, GA
Hardest Ultra Marathon | IRONHIKE OLYMPUS MONS - SOLO | Amicalola Falls State Park, Georgia | 180 Miles | 84 Hour | Hardest Ultra on Earth | Run, Power Hike, Walk. | 72,480 feet of elevation gain and loss up and down 604 stairs, for a total of 144,960 stairs on the AT Approach Trail staircase above Amicalola Falls. This is the most elevation of any ultra under 200 miles on Earth. We are redefining race day.
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1 event
- Olympus Mons Ultra - powered by Skratch Labs ® - Individual180 miUltraStarts 11:59 PM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 93/100
- High / low
- 53° / 34°F
- 12° / 1°C
- Humidity
- 81%
- Dew point 37°F
- Chance of rain
- 35%
- Wind
- 4 mph
- Average
- Rain on about 35% of days around this date.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
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