Course map, elevation profile & surface
Fly the course
Follow the route over 3D terrain, mile by mile.
Race-day light
For a 59:15 finish (an estimate) · starting 12:00 PM Mar 29 · headlamp mi 34–87. Dark means the sun below civil twilight.
Climbs
9 climbs · 12,205 ft totalbiggest firstAid stations as published on the course file
| Aid station | Mile | km |
|---|---|---|
| M000-Start | 0.0 | 0.0 |
| A Road Use | 1.4 | 2.3 |
| A Road Use | 3.3 | 5.4 |
| A M016-Casa Blanca | 15.7 | 25.3 |
| A M037-Apache Springs | 36.2 | 58.2 |
| A M053-Oak Tree | 51.3 | 82.6 |
| A M070-Santa Rita | 68.2 | 109.7 |
| A M081-Gabe Zimmerman | 78.3 | 126.0 |
| A Road Crossing-E. Marsh Station Road | 79.5 | 128.0 |
| A M091-Pistol Hill | 87.9 | 141.5 |
| A Road Use | 90.1 | 145.0 |
| A Road Use | 92.7 | 149.2 |
| A Road Use | 97.3 | 156.6 |
| A Road Use | 97.9 | 157.6 |
| A Road Use | 98.3 | 158.1 |
| A Road Use | 99.7 | 160.5 |
| A M104-Valencia | 100.4 | 161.5 |
| A Road Use | 101.0 | 162.6 |
| A Water | 109.6 | 176.4 |
| A Water | 116.5 | 187.6 |
| A Water | 117.6 | 189.2 |
| A Water | 118.3 | 190.4 |
| A Water | 120.6 | 194.1 |
| A M126-Rillito | 121.5 | 195.5 |
| A Water | 121.8 | 196.0 |
| A Water | 122.2 | 196.7 |
| A Water | 122.9 | 197.8 |
| A Water | 122.9 | 197.8 |
| A Water | 123.9 | 199.4 |
| A Water | 125.4 | 201.8 |
| A Water | 125.9 | 202.6 |
| A Water | 126.2 | 203.2 |
| A Water | 126.9 | 204.2 |
| A Water | 128.4 | 206.6 |
| A Water | 129.8 | 208.8 |
| A M145-Catalina | 139.5 | 224.5 |
| A M151-Charlou Gap | 145.7 | 234.6 |
| A 7.5 last water | 157.5 | 253.5 |
| A IMG_20250322_144229.jpg | 157.8 | 253.9 |
| A 7swim | 157.9 | 254.2 |
| A 6ish water | 158.7 | 255.4 |
| A 6 mi water | 158.9 | 255.7 |
| A 5 mi mt lemmon water | 159.8 | 257.2 |
| A Bath pool 5mi | 159.8 | 257.2 |
| A IMG_20250322_133015.jpg | 160.0 | 257.5 |
| A IMG_20250322_130201.jpg | 160.8 | 258.7 |
| A Road Use 2 | 163.6 | 263.2 |
| A Road Use 1 | 164.5 | 264.7 |
| A M171-Mt Lemmon | 164.7 | 265.1 |
| A M185-Oracle Aid Station | 178.2 | 286.7 |
| A M195-Tiger Mine | 186.7 | 300.5 |
| A M209-Black Hills | 200.1 | 322.0 |
| A M224-Freeman | 215.0 | 346.0 |
| A M242-Tortilla | 232.0 | 373.4 |
| A M257-Grand Enchantments | 246.0 | 396.0 |
| A M273-Gila River | 261.6 | 421.0 |
| A M295-Picket Post | 283.3 | 456.0 |
| M300-Finish | 288.9 | 464.9 |
Badge colours match the markers on the map above — always confirm locations and cutoffs with the race organizer.
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Conditions typical race-day weather for Mar 29 at the start
Typical = the median of 2016–2025 for Mar 29 ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Race almanac the sky on race day
Next race day Mon, Mar 29, 2027 · 12:00 PM start
First and last light are civil twilight, the sun 6° below the horizon. The moon is lit as at midnight after the start; headlamp hours count a typical finish from the start while the sun is below civil twilight. Worked out for the start line.
Reviews what runners who have been there say
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About this course
Arizona Monster 300 300 Miler — 2027 covers 288.9 mi (464.9 km) with 14,970 ft of elevation gain through Arizona, United States. That is about 52 ft per mile of climbing, and 16,364 ft of descent. The course tops out at 7,992 ft and bottoms out at 1,663 ft. The surface is 72% trail, 20% paved and 8% gravel. There are 56 aid stations on course; the longest stretch between aid is 21.7 mi. The profile has 9 sustained climbs; the biggest is the climb to Road Use 2, +3,435 ft over 8.0 mi at 8.2% on average (steepest stretch 13%). Race day is March 29, 2027, starting at 12:00 PM; the sun rises at 6:16 AM and sets at 6:41 PM. Typical race-day weather at the start: a high of 73°F and a low of 46°F, with a 9% chance of a wet day. The interactive map above shows the full route with its elevation profile and aid stations, built from the course's GPS file.
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Course history
- Sep 3, 2026Added to the catalog
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