CLIMBS OF THE WEEK
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WE'VE PARTNERED WITH SHERPA MAP! Providing you the best route planning tool to elevate your cycling experience.
Manually Create a Route
With Sherpa Map you can:
MANUALLY CREATE A ROUTEClick around the map to create your route while using a PJAMM climb as your refrence.
USE A ROUTE GENERATORLet Sherpa create a route for you by simply providing a starting point, general heading, and distance.
GET REAL-TIME WEATHER DATAUse weather overlays to help you navigate around the weather.
PLUS: Get surface data, duration estimates, elevation / gradient info, various map styles, and find nearby amenities.
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PJAMM DIFFICULTY INDEX (PDI)
NOW LIVE
The PJAMM Difficulty Index (PDI), our new system replacing FIETS, is now live! All climb rankings will now be based on PDI. We are in the process of updating many of our pages to reflect this change. During this transition period, you might notice notes on some pages indicating that the collection of climbs and page content is still based on FIETS. To learn more about the PDI, the reasons behind this change, and how it compares to FIETS, check out our blog post.
READ BLOG
NOW LIVE
The PJAMM Difficulty Index (PDI), our new system replacing FIETS, is now live! All climb rankings will now be based on PDI. We are in the process of updating many of our pages to reflect this change. During this transition period, you might notice notes on some pages indicating that the collection of climbs and page content is still based on FIETS. To learn more about the PDI, the reasons behind this change, and how it compares to FIETS, check out our blog post.
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EXPLORE OUR CLIMB MAP
Search cycling climbs near you with our interactive map. We've documented the top climbs, toughest climbs and most scenic cycling climbs around the world. You can find climbs listed by difficulty, elevation gained, highest peak, longest distance and steepest grade.
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CYCLING BLOG
Stay informed with the PJAMM Cycling Blog where we feature interesting, timely and informative articles about cycling climbing and cycling adventures. Our articles are written by the PJAMM Cycling staff and our members, if you would like to have an article considered for publication on our blog please contact us.
- Most Recent Blog Post -
Apr 13, 2026
Why Mauna Kea is the hardest climb in the world (and it's not just because of the formula)
By: Sam Lyons, Director of Social Media & Merchandising | PJAMM Cycling
Combined, the PJAMM crew has climbed Mauna Kea more than a dozen times. It's hard. Like, stupidly hard. Hard enough that every time we finish it, we swear we'll never do it again (and yet, deep down, we all know we will).
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TOP 10 CLIMBS
Discover the top 10 paved cycling climbs in the world! (Click a slide for full climb details)
#1 Mauna Kea - Hawaii, USA
42.5 mi
DISTANCE
13,755 ft
ELEV. GAINED
6.1 %
AVG. GRADE
With the highest Fiets Index in the world, Mauna Kea is a colossal, nearly impossible ascent. While the climb itself is intimidating, cyclists must be mentally and physically prepared for dynamic weather conditions, altitude sickness, and varying terrain on one of the longest climbs in the world.
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WE HAVE TRIATHLONS TOO!
Get ready for your next Full or Half Ironman. Analyze all routes with our profile tool, download gpx files or check the current & historical weather data.
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