# Hardest Ultra Marathon Relay | IRONHIKE OLYMPUS MONS - TRAIL BUDDY FLEX RELAY | Amicalola Falls State Park, Georgia | Team of 2 Athletes | 180 Miles | 84 Hour | Hardest Ultra on Earth | Run, Power Hike, Walk. | 72,480 feet of elevation gain and loss shared across two Mountain Athletes, up and down 604 stairs per lap for a total of 144,960 stairs on the AT Approach Trail staircase above Amicalola Falls. This is the hardest ultra on Earth, or Mars, built for buddying up. We are redefining race day.

- **When:** Tue, Dec 8, 2026 · 6:00 PM CST
- **Where:** 418 Amicalola Falls Lodge Rd, Dawsonville, GA, 30534
- **Event page:** https://runthis.run/event/rs-215302-hardest-ultra-marathon-relay-ironhike-olympus-mons-trail-bud

## Registration

Register on the event's own site: https://runsignup.com/Race/GA/Dawsonville/IronHikeOlympusMonsUltraFallTrailBuddyRelayGA?aflt_token=58wBqomPr6bPwa1YDhuKo0IQvrNCjzTq

## Description

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Source: [https://runthis.run/event/rs-215302-hardest-ultra-marathon-relay-ironhike-olympus-mons-trail-bud](https://runthis.run/event/rs-215302-hardest-ultra-marathon-relay-ironhike-olympus-mons-trail-bud) — data from Run This (runthis.run).