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FIND YOUR NEXT CYCLING CLIMB We've searched the world to document and share the hardest, most epic & breathtaking ascents for cyclists

CLIMB OF THE WEEK
Mauna Kea
HI, USA
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Distance: 42.5 mi | Elev. Gained: 13,755 ft | Avg. Grade: 6.1%

The New PJAMM DIFFICULTY INDEX (PDI)

COMING MAY 2024

We've been working on a replacement to FIETS as our index for ranking climbs. We will be making the swap to our newly developed PJAMM Difficulty Index (PDI) mid May. Check out our blog post to learn more about this index, why we are making the change and how it compares to FIETS.

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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 -

Introducing the PJAMM Difficulty Index (PDI)
By: Matthew Jewett, Director of Technology | PJAMM Cycling

At PJAMM, we have long depended on the FIETS index to assess the difficulty of climbs. While it has served us well, we recognize that the FIETS index is not without its limitations. Thus, we are driven by a desire to refine and enhance the existing methodology, leading us to develop our own comprehensive difficulty index.

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TOP 10 CLIMBS

Discover the top 10 cycling climbs in the world! (Click a slide for full climb details)

Cycling Climb - Mauna Kea - USA, HI

#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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