⏵ Course guide · Interior Alaska ultra
Drew's Angel Creek 50 sends its 50 mile and 50K fields point to point across boreal forest and exposed tundra ridgelines in the Chena River Recreation Area, finishing with a soak at Chena Hot Springs Resort. I will walk you through the course and cutoff structure first, then give you a pacing and fueling plan built for a remote, technical Interior Alaska day. Free calculators along the way to dial in your own numbers.
These facts come from the official race site and its race-information page. Check the current year details, cutoffs, and required gear before you commit. Race logistics change year to year.
Both distances run point to point toward Chena Hot Springs Resort. The 50 mile starts at Twin Bears Camp (Mile 30 Chena Hot Springs Road) at 5 AM, and the 50K starts later, at 9 AM, from Angel Rocks Trailhead (Mile 49), where the two courses merge for the final stretch.
The official course description calls it a roughly 50/50 mix: hard-packed trail with good footing alternating with technical sections, mostly along ridgelines, that the organizers say will challenge even experienced trail runners. Expect the terrain to shift character often rather than settle into one steady rhythm, and expect the ridgeline stretches to be where the technical difficulty and the exposure both concentrate.
Because the course runs through the Chena River Recreation Area with limited road access, support crews are only allowed within 100 yards of Angel Rocks Trailhead, and pacers (up to two per racer) are restricted to that same trailhead and the finish at Chena Hot Springs Resort. Drop bags fill the gap: 50 milers get bags at Upper Angel Creek Cabin (mile 30), Angel Rocks Trailhead (mile 42), and the finish, while 50K runners get bags at Angel Rocks Trailhead and the finish. Plan your self-sufficiency around those three or two touchpoints, not around a crew meeting you wherever you want.
Moose, black bear, and grizzly bear all live in the Chena River Recreation Area, and the official race information asks runners to make noise through thick brush and travel in groups where visibility is limited. The race itself honors the late Drew Harrington, one of its founding organizers; Alaska State Parks renamed a trail shelter cabin on the nearby Chena Dome Trail in his honor as "a friend to all trail users." The event finishes with a post-race BBQ, awards, and a soak at Chena Hot Springs Resort.
The one cutoff that matters is a departure time from Angel Rocks Trailhead, 6:30 PM, not a finish-line clock. Build your day around clearing that checkpoint with margin, and the rest of the course takes care of itself.
With 12,600 feet of gain packed into a technical, roughly-half-ridgeline 50 mile course, a grade-adjusted pace target gives you an honest read on what effort you can sustain across terrain that alternates between fast trail and slow, exposed climbing. Runners who treat the early hard-packed miles as a chance to bank time usually pay for it once the ridgeline sections start eating their legs.
For 50 milers, the 6:30 PM departure cutoff at Angel Rocks Trailhead (mile 42) works out to roughly a 19 minute per mile average pace allowance, well over 8 hour marathon pace, but a slow first half against technical terrain can eat that margin fast. A vert-aware finish prediction, checked against that mile-42 cutoff once you have real splits from the first stretch of the course, tells you whether you are actually on pace or just hoping you are.
⏵ Free tools to pace this course
A 5 AM start and an anticipated finish window stretching toward 9 PM for the last racers means most 50 milers are out for a long day, with near-endless daylight but cool Interior Alaska temperatures throughout.
Aim for roughly 60 to 90 grams of carbohydrate per hour, and sodium in the 300 to 700 mg per liter range. Because support is limited to drop bags at Upper Angel Creek Cabin, Angel Rocks Trailhead, and the finish, stage exactly what you need at each of those points rather than assuming you can adjust on the fly. The required gear list is minimal, just a water bottle or hydration bladder and a wind or rain jacket, so your own planning carries more of the weight than aid-station density does on this course.
⏵ Build your fueling plan
Get a carb, sodium, fluid, and caffeine plan per hour built for your weight, your goal time, and a long Interior Alaska day with the free ultra fueling calculator. Browse the rest of the free running tools at the tools hub.
⏵ Train for it with Summit Line
Get a race-day plan built around YOUR fitness, this exact point-to-point ridgeline profile, and your projected checkpoint splits. Summit Line reads your real training, builds a plan for technical, remote terrain, and rehearses your fueling so race day is something you execute, not guess at.
The race's own course description does not undersell it: roughly a 50/50 mix of hard-packed trail and technical sections, mostly along exposed ridgelines, that the organizers say will challenge even experienced trail runners. The 50 mile course carries 12,600 feet of gain and 12,000 feet of loss point to point through boreal forest and tundra, and it is remote enough that support crews are restricted to within 100 yards of the one road-accessible checkpoint. This is a serious Interior Alaska ultra, not a scenic tune-up.
The 50 mile course has 12,600 feet of elevation gain and 12,000 feet of loss, point to point from Twin Bears Camp to Chena Hot Springs Resort. The 50K, starting later at Angel Rocks Trailhead, covers 6,400 feet of gain and 6,200 feet of loss. Both totals come from the official course description, which also notes the terrain is a roughly even split between good-footing trail and technical ridgeline sections.
With a 5 AM start for the 50 mile and an anticipated finish as late as 9 PM for the final racers, plan for a long day that starts cool and stays cool, since early August in Interior Alaska rarely gets hot even with a full day of daylight. Aim for roughly 60 to 90 grams of carbohydrate per hour and sodium in the 300 to 700 mg per liter range. Drop bags are available at Upper Angel Creek Cabin (mile 30), Angel Rocks Trailhead (mile 42), and the finish for 50 milers, and at Angel Rocks Trailhead and the finish for 50K runners, so plan your resupply around those points rather than carrying everything from the start. Build your numbers with the free ultra fueling calculator before race day.
The hard cutoff is a departure time, not a finish time: every racer, in both distances, must leave Angel Rocks Trailhead by 6:30 PM. For 50 milers, who reach that checkpoint at mile 42, the official race information frames this as roughly a 19 minute per mile average pace allowance, well over an 8 hour marathon pace. Anyone who departs Angel Rocks by 6:30 PM is guaranteed to finish, with the final racer expected in around 9 PM.
The course runs through boreal forest and tundra ridgelines in the Chena River Recreation Area, a roughly even mix of hard-packed trail and technical, often exposed ridge sections. Moose, black bear, and grizzly bear all live in the area, and the official race information tells runners to make noise through thick brush, travel in groups where possible, and know how to react if they encounter a moose or a bear. Required gear is minimal by ultra standards, a water bottle or bladder and a wind or rain jacket, so come prepared for genuine Interior Alaska conditions beyond the mandatory list.
Not as a first ultra, at least not the 50 mile. The race requires 50 mile entrants to have finished a marathon-distance or longer event within the past two years just to register, and the organizers are direct that this course can challenge even experienced trail runners given the technical ridgeline terrain and remote, crew-restricted support. The 50K has no qualifying requirement and covers the same style of terrain at roughly half the vert, which makes it the more realistic entry point if you are newer to trail ultras but want the same point-to-point Interior Alaska experience finishing at Chena Hot Springs.
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<a href="https://runsummitline.com/guides/drews-angel-creek-50">The Drew's Angel Creek 50 course guide</a>This guide is independent and for planning only. The course details, dates, cutoffs, and required gear come from public sources and can change year to year, so confirm the current specifics with the official race before you register or run. The fueling and pacing advice is general and not medical advice.