TRAILGOAT
Arizona Monster 300 300 Miler — 2027Arizona, United States288.9mi14,970ftMar 29

Arizona Monster 300 300 Miler — 2027

Arizona, United States · Race day · Mar 29, 2027 · by Destination Trail

race day in 144 days

Plan this race
Course map, elevation profile & surface
Distance
288.9mi
Elev gain
14,970ft
Elev loss
16,364ft
High point
7,992ft
Low point
1,663ft
Effective oxygen
74–94%of sea level
Surface
72% trail
Drawing the course…

Race-day light

In the dark
43%
Sunrise
6:16am
Sunset
6:41pm
Headlamp from
34mi

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 first
Pick a climb to find it on the profile and the map.
Aid stations as published on the course file
Aid stationMilekm
M000-Start0.00.0
A Road Use1.42.3
A Road Use3.35.4
A M016-Casa Blanca15.725.3
A M037-Apache Springs36.258.2
A M053-Oak Tree51.382.6
A M070-Santa Rita68.2109.7
A M081-Gabe Zimmerman78.3126.0
A Road Crossing-E. Marsh Station Road79.5128.0
A M091-Pistol Hill87.9141.5
A Road Use90.1145.0
A Road Use92.7149.2
A Road Use97.3156.6
A Road Use97.9157.6
A Road Use98.3158.1
A Road Use99.7160.5
A M104-Valencia100.4161.5
A Road Use101.0162.6
A Water109.6176.4
A Water116.5187.6
A Water117.6189.2
A Water118.3190.4
A Water120.6194.1
A M126-Rillito121.5195.5
A Water121.8196.0
A Water122.2196.7
A Water122.9197.8
A Water122.9197.8
A Water123.9199.4
A Water125.4201.8
A Water125.9202.6
A Water126.2203.2
A Water126.9204.2
A Water128.4206.6
A Water129.8208.8
A M145-Catalina139.5224.5
A M151-Charlou Gap145.7234.6
A 7.5 last water157.5253.5
A IMG_20250322_144229.jpg157.8253.9
A 7swim157.9254.2
A 6ish water158.7255.4
A 6 mi water158.9255.7
A 5 mi mt lemmon water159.8257.2
A Bath pool 5mi159.8257.2
A IMG_20250322_133015.jpg160.0257.5
A IMG_20250322_130201.jpg160.8258.7
A Road Use 2163.6263.2
A Road Use 1164.5264.7
A M171-Mt Lemmon164.7265.1
A M185-Oracle Aid Station178.2286.7
A M195-Tiger Mine186.7300.5
A M209-Black Hills200.1322.0
A M224-Freeman215.0346.0
A M242-Tortilla232.0373.4
A M257-Grand Enchantments246.0396.0
A M273-Gila River261.6421.0
A M295-Picket Post283.3456.0
M300-Finish288.9464.9

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 high
73°F
Typical low
46°F
Chance of rain
9%
2025 high
72°F

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 lightsunrise 6:16 am
5:52am
Last lightsunset 6:41 pm
7:05pm
Moonlast quarter, up from 2:00 am
48% lit

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

  1. Sep 3, 2026Added to the catalog
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