RacesColorado Rockies
San Juan Solstice 50
Demand
4 out of 5
How much it asks
Worth
5 out of 5
Whether the ticket is worth it
Lake City, Colorado, United States
Scorecard · is it worth it?
Worth the trip if the mountains match what you want.
The card
San Juan Solstice is the 50 miler that makes other 50 milers look like a different sport. It runs out of Lake City, a town that is already in the mountains, onto the Continental Divide, through Alpine Gulch, in the window around the summer solstice because the snow and the creeks do not care about your calendar. Demand is 4: fifty miles, on the order of 12,700 feet of gain, high points around 13,300 feet, lightning as a known Divide problem, snowfields in the years the race comes in early. It is not a 5 only because it is still a 50, not a 100, and because the cutoff culture is a hard day rather than a 48-hour siege.
Worth is 5 because this is the San Juans without pretending Leadville is the San Juans. You fly to a small town, you run on the Divide, you come down. The race exists as a benefit for Lake City EMTs. That is not marketing copy; it is the ownership story in the public record. Organization confidence is medium: the history of date moves, snow calls, and creek years is unusually well documented on UltraSignup and in race notes.
Date and fee live on the registration page. If you can only take one Colorado 50 into the mountains, take this one. If you wanted a canal, JFK is in the catalog as the skip. If you wanted the same range at 100 miles, look at Ouray or Hardrock, and do not look at Leadville.
The public record on this race is mostly about snow, creeks, and lightning, which is the right kind of record. Dates have moved around the solstice because the Divide does not care about your hotel. UltraSignup is the registration surface we can cite; a standalone marketing site is not required for a score. That is not a lack of research. If you are already in Lake City for Hardrock week, this 50 is the honest shorter ask in the same mountains. If you are choosing one San Juan flight, the 50 can be the whole weekend.
Who it is for
Runners who want the San Juans in a day, can handle 13,000-foot running, and do not need a 100-mile identity.
Who should skip
First ultras, heat-only specialists, and anyone who wanted a fast 50 to check a box.
Elevation
Tap or hover for miles, clock, and aidft
Dark from 20:34 to 05:46 local. No split grid; shading uses start time and clock only.
Bottom ticks are aid. Longest gap 10.0 mi.
Hardest stretch
Hardest stretch: Start to Alpine, 2,721 ft in 7.0 mi.
Segment gains from the course elev profile.
| From | To | Mi | Gain | Loss |
|---|---|---|---|---|
| Start | Alpine | 7.011.3 km | 2,721 ft829 m | 21 ft6 m |
| Alpine | Williams | 8.714 km | 1,607 ft490 m | 3,761 ft1,146 m |
| Williams | Carson | 5.38.5 km | 2,088 ft636 m | 103 ft31 m |
| Carson | Divide | 1016.1 km | 2,519 ft768 m | 1,882 ft574 m |
| Divide | Slumgullion | 9.014.5 km | 688 ft210 m | 2,954 ft900 m |
| Slumgullion | Vickers | 6.510.5 km | 1,721 ft525 m | 1,523 ft464 m |
| Vickers | Town Park | 3.55.6 km | 63 ft19 m | 1,167 ft356 m |
- Start
- 8,675 ft2,644 m
- Finish
- 8,673 ft2,644 m
- Net
- −2 ft−1 m
- Longest climb
- 4,208 ft1,283 m
- Above 10,000 ft
- 34 mi55 km
Start and finish are within 400 ft. Treat net as a loop.
Weekend
Official handbook facts
- Start
- 05:00
- Crew
- 15.7, 40 mi
- Drop bags
- 15.7, 21, 40 mi
- Pacer from
- 40 mi
- Poles
- Allowed
- Tracker
- Open
San Juan Solstice 50 homepage · retrieved 2026-09-06 (repo record)
Field
Last editions · 50M scored distance
Field evidence: who showed up, who finished, how long. DNF is that evidence, not a difficulty score. Public results, scored distance only.
DNF over the years
DNF 17% in 2024, 31% the year before.
2026
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 239
- DNF
- –
- Win
- 8:20:00
- Median
- .
2025
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 218
- DNF
- –
- Win
- 8:12:05
- Median
- .
2024
- Starters
- 286
- Finishers
- 237
- DNF
- 17%
- Win
- 8:32:29
- Median
- 13:23:10
2023
- Starters
- 291
- Finishers
- 201
- DNF
- 31%
- Win
- 8:39:17
- Median
- 13:43:35
2022
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 201
- DNF
- –
- Win
- 8:16:18
- Median
- .
2021
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 181
- DNF
- –
- Win
- 8:49:24
- Median
- .
2018
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 208
- DNF
- –
- Win
- 8:33:46
- Median
- .
2017
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 179
- DNF
- –
- Win
- 9:03:29
- Median
- .
2016
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 168
- DNF
- –
- Win
- 8:24:33
- Median
- .
2015
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 183
- DNF
- –
- Win
- 9:05:56
- Median
- .
2014
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 167
- DNF
- –
- Win
- 8:06:21
- Median
- .
2013
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 169
- DNF
- –
- Win
- 7:35:03
- Median
- .
2012
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 143
- DNF
- –
- Win
- 8:13:00
- Median
- .
2011
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 158
- DNF
- –
- Win
- 9:13:03
- Median
- .
2010
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 152
- DNF
- –
- Win
- 8:13:00
- Median
- .
2009
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 109
- DNF
- –
- Win
- 9:37:30
- Median
- .
2008
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 130
- DNF
- –
- Win
- 9:19:26
- Median
- .
2007
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 120
- DNF
- –
- Win
- 8:58:40
- Median
- .
2006
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 115
- DNF
- –
- Win
- 9:26:11
- Median
- .
2005
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 100
- DNF
- –
- Win
- 10:21:21
- Median
- .
2004
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 110
- DNF
- –
- Win
- 7:59:44
- Median
- .
2003
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 97
- DNF
- –
- Win
- 9:08:36
- Median
- .
2002
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 82
- DNF
- –
- Win
- 8:43:23
- Median
- .
2000
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 56
- DNF
- –
- Win
- 10:11:54
- Median
- .
1999
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 57
- DNF
- –
- Win
- 10:33:58
- Median
- .
1998
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 52
- DNF
- –
- Win
- 10:12:51
- Median
- .
1997
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 47
- DNF
- –
- Win
- 9:23:04
- Median
- .
1996
Finishers from UltraRunning Magazine calendar results table (50 Miles). Starters/DNF not published on this page.
- Starters
- .
- Finishers
- 31
- DNF
- –
- Win
- 10:02:45
- Median
- .
Overall field only. Not a pro or sponsored subset.
Climate
Typical June at the start area · historical race-week weather
- Typical high
- 68°F (20°C)
- Typical low
- 39°F (4°C)
- Typical precip
- 1.5 in (38 mm) / June
- Days with rain
- 35% of days
- High point
- 13,301 ft (4,054 m)
BewareHigh point 13,301 ft (4,054 m). the air is part of the weather.
2015–2024 June means at the start / massif. · Open-Meteo ERA5 / climate · retrieved 2026-09-06 (repo record)
Dimensions
Ten 1–5 scores with a one-line why. Organization has a separate confidence tag.
Supporting dimensions · organization confidence medium
A 50 miler that behaves like a mountain 100K: Divide, snow, creeks, 50 miles of San Juans.
On the order of 12,700 ft of gain. Dense climbing for a 50.
Alpine Gulch, snowfields in big snow years, Divide running. Not a towpath.
Near-solstice San Juans: lingering snow, creeks, lightning on the Divide.
High points around 13,300 ft. This is the air problem in 50-mile form.
Lake City is remote and small. That is the point, and also the lodging puzzle.
A Colorado mountain classic, not a World Series final.
Community benefit for Lake City EMTs, long public history. Medium from the public record.
A San Juan day without a 100-mile lottery.
Continental Divide out of Lake City. This is why people fly to the San Juans.
| Dimension | Score | Why |
|---|---|---|
Distance & format How much does the advertised distance and format actually ask? | 4 out of 5 | A 50 miler that behaves like a mountain 100K: Divide, snow, creeks, 50 miles of San Juans. |
Vertical How serious is the climbing, not just the mile marker? | 4 out of 5 | On the order of 12,700 ft of gain. Dense climbing for a 50. |
Technicality Hands, poles, route-finding, or just a long dirt road? | 4 out of 5 | Alpine Gulch, snowfields in big snow years, Divide running. Not a towpath. |
Climate Heat, monsoon, ice, or a friendly summer afternoon? | 4 out of 5 | Near-solstice San Juans: lingering snow, creeks, lightning on the Divide. |
Altitude Does the air change the race, or is it a talking point? | 5 out of 5 | High points around 13,300 ft. This is the air problem in 50-mile form. |
Logistics How hard is the weekend around the race: travel, crew, lodging, rules? | 3 out of 5 | Lake City is remote and small. That is the point, and also the lodging puzzle. |
Prestige & field Does the start list and history change what the weekend feels like? | 3 out of 5 | A Colorado mountain classic, not a World Series final. |
Organization From public evidence, does the event look competently run? | 4 out of 5 | Community benefit for Lake City EMTs, long public history. Medium from the public record. |
Value Entry fee, travel tax, and lottery friction versus what you get on course. | 5 out of 5 | A San Juan day without a 100-mile lottery. |
Adventure & scenery Would you fly for the place even if nobody kept score? | 5 out of 5 | Continental Divide out of Lake City. This is why people fly to the San Juans. |