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Chainbreaker to Hummingbird

📍
99, Newcastle Court, Cerro, San Rafael, Marin County, California, 94903, United States
Cat. 3Flag this climb

Estimated Climb Time

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Climb Profile

Altitude builds left to right while colour shows gradient severity for each part of Chainbreaker to Hummingbird.

40 m115 m190 m265 m11.1% from 0 m to 5 m13.6% from 5 m to 9 m5.8% from 9 m to 14 m4.9% from 14 m to 20 m0.0% from 20 m to 28 m-4.8% from 28 m to 34 m-9.9% from 34 m to 41 m-11.7% from 41 m to 47 m-9.2% from 47 m to 53 m-9.4% from 53 m to 62 m-3.4% from 62 m to 71 m3.8% from 71 m to 81 m5.3% from 81 m to 89 m5.0% from 89 m to 97 m7.7% from 97 m to 105 m9.2% from 105 m to 117 m9.3% from 117 m to 125 m8.4% from 125 m to 135 m5.7% from 135 m to 143 m9.8% from 143 m to 152 m16.5% from 152 m to 160 m20.0% from 160 m to 170 m16.8% from 170 m to 180 m3.9% from 180 m to 187 m-1.7% from 187 m to 193 m-1.1% from 193 m to 202 m1.2% from 202 m to 210 m6.2% from 210 m to 217 m6.2% from 217 m to 227 m1.8% from 227 m to 238 m0.0% from 238 m to 247 m-4.5% from 247 m to 255 m-3.6% from 255 m to 261 m4.3% from 261 m to 268 m14.8% from 268 m to 274 m15.5% from 274 m to 280 m10.9% from 280 m to 286 m12.0% from 286 m to 291 m4.5% from 291 m to 298 m-2.2% from 298 m to 302 m14.9% from 302 m to 307 m15.9% from 307 m to 314 m13.8% from 314 m to 320 m7.2% from 320 m to 327 m12.1% from 327 m to 333 m12.3% from 333 m to 339 m9.4% from 339 m to 344 m11.9% from 344 m to 350 m13.0% from 350 m to 355 m17.0% from 355 m to 361 m21.2% from 361 m to 366 m21.1% from 366 m to 372 m14.1% from 372 m to 378 m3.3% from 378 m to 384 m-2.9% from 384 m to 391 m-1.6% from 391 m to 397 m0.0% from 397 m to 403 m6.3% from 403 m to 409 m11.1% from 409 m to 416 m15.5% from 416 m to 421 m17.5% from 421 m to 428 m19.4% from 428 m to 435 m23.0% from 435 m to 441 m15.4% from 441 m to 448 m20.7% from 448 m to 453 m14.8% from 453 m to 459 m15.0% from 459 m to 465 m13.1% from 465 m to 472 m13.1% from 472 m to 478 m10.0% from 478 m to 484 m12.7% from 484 m to 490 m9.2% from 490 m to 496 m16.4% from 496 m to 503 m29.3% from 503 m to 507 m28.0% from 507 m to 512 m26.0% from 512 m to 517 m25.0% from 517 m to 522 m18.4% from 522 m to 527 m21.4% from 527 m to 531 m13.0% from 531 m to 536 m10.0% from 536 m to 540 m9.3% from 540 m to 544 m5.2% from 544 m to 550 m1.6% from 550 m to 556 m0.0% from 556 m to 563 m-1.4% from 563 m to 570 m5.7% from 570 m to 577 m13.2% from 577 m to 585 m14.7% from 585 m to 591 m14.7% from 591 m to 598 m6.3% from 598 m to 605 m4.5% from 605 m to 611 m-2.0% from 611 m to 616 m3.3% from 616 m to 622 m6.3% from 622 m to 629 m11.7% from 629 m to 635 m27.3% from 635 m to 640 m29.4% from 640 m to 645 m22.6% from 645 m to 651 m8.0% from 651 m to 656 m13.0% from 656 m to 661 m12.0% from 661 m to 666 m13.6% from 666 m to 672 m17.1% from 672 m to 676 m23.4% from 676 m to 681 m8.6% from 681 m to 684 m9.8% from 684 m to 689 m-10.9% from 689 m to 694 m-10.3% from 694 m to 700 m-11.8% from 700 m to 705 m-4.7% from 705 m to 709 m7.0% from 709 m to 714 m25.5% from 714 m to 719 m21.0% from 719 m to 725 m21.5% from 725 m to 733 m31.0% from 733 m to 737 m37.8% from 737 m to 741 m34.0% from 741 m to 746 m27.8% from 746 m to 750 m26.3% from 750 m to 753 m25.8% from 753 m to 757 m30.8% from 757 m to 760 m34.1% from 760 m to 765 m38.0% from 765 m to 770 m44.6% from 770 m to 775 m35.8% from 775 m to 781 m24.3% from 781 m to 784 m21.2% from 784 m to 788 m24.4% from 788 m to 792 m21.1% from 792 m to 796 m11.1% from 796 m to 801 m8.9% from 801 m to 805 m9.5% from 805 m to 809 m11.4% from 809 m to 814 m15.8% from 814 m to 817 m8.3% from 817 m to 821 m14.3% from 821 m to 825 m16.3% from 825 m to 830 m31.0% from 830 m to 834 m6.3% from 834 m to 837 m32.7% from 837 m to 842 m30.0% from 842 m to 846 m41.5% from 846 m to 852 m37.1% from 852 m to 859 m30.2% from 859 m to 864 m35.0% from 864 m to 868 m7.5% from 868 m to 873 m-20.0% from 873 m to 878 m-25.0% from 878 m to 882 m-13.0% from 882 m to 887 m4.2% from 887 m to 892 m5.6% from 892 m to 899 m2.7% from 899 m to 906 m1.7% from 906 m to 912 m-4.4% from 912 m to 917 m-4.3% from 917 m to 921 m-10.0% from 921 m to 926 m-5.5% from 926 m to 934 m-10.1% from 934 m to 940 m2.6% from 940 m to 948 m17.8% from 948 m to 956 m17.6% from 956 m to 962 m25.0% from 962 m to 969 m37.1% from 969 m to 976 m41.2% from 976 m to 985 m26.9% from 985 m to 995 m9.8% from 995 m to 1.0 km-3.1% from 1.0 km to 1.0 km0.0% from 1.0 km to 1.0 km-5.6% from 1.0 km to 1.0 km-12.2% from 1.0 km to 1.0 km-10.7% from 1.0 km to 1.0 km0.0% from 1.0 km to 1.1 km8.8% from 1.1 km to 1.1 km38.5% from 1.1 km to 1.1 km25.5% from 1.1 km to 1.1 km24.5% from 1.1 km to 1.1 km23.4% from 1.1 km to 1.1 km24.4% from 1.1 km to 1.1 km21.2% from 1.1 km to 1.1 km17.4% from 1.1 km to 1.1 km11.4% from 1.1 km to 1.1 km1.9% from 1.1 km to 1.1 km6.8% from 1.1 km to 1.1 km-1.8% from 1.1 km to 1.1 km2.0% from 1.1 km to 1.1 km5.0% from 1.1 km to 1.1 km4.0% from 1.1 km to 1.1 km3.7% from 1.1 km to 1.1 km4.9% from 1.1 km to 1.1 km5.4% from 1.1 km to 1.1 km10.3% from 1.1 km to 1.1 km6.8% from 1.1 km to 1.2 km25.6% from 1.2 km to 1.2 km23.6% from 1.2 km to 1.2 km26.7% from 1.2 km to 1.2 km34.1% from 1.2 km to 1.2 km32.7% from 1.2 km to 1.2 km37.5% from 1.2 km to 1.2 km26.0% from 1.2 km to 1.2 km23.1% from 1.2 km to 1.2 km22.0% from 1.2 km to 1.2 km4.7% from 1.2 km to 1.2 km7.8% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km-3.2% from 1.2 km to 1.2 km15.8% from 1.2 km to 1.2 km23.9% from 1.2 km to 1.2 km31.0% from 1.2 km to 1.2 km35.4% from 1.2 km to 1.2 km39.5% from 1.2 km to 1.2 km28.6% from 1.2 km to 1.2 km12.2% from 1.2 km to 1.2 km10.0% from 1.2 km to 1.2 km24.4% from 1.2 km to 1.2 km25.0% from 1.2 km to 1.3 km22.7% from 1.3 km to 1.3 km18.2% from 1.3 km to 1.3 km16.7% from 1.3 km to 1.3 km17.5% from 1.3 km to 1.3 km16.7% from 1.3 km to 1.3 km13.5% from 1.3 km to 1.3 km26.3% from 1.3 km to 1.3 km20.0% from 1.3 km to 1.3 km35.1% from 1.3 km to 1.3 km35.1% from 1.3 km to 1.3 km36.4% from 1.3 km to 1.3 km31.3% from 1.3 km to 1.3 km27.9% from 1.3 km to 1.3 km26.9% from 1.3 km to 1.3 km17.1% from 1.3 km to 1.3 km16.7% from 1.3 km to 1.3 km26.2% from 1.3 km to 1.3 km26.2% from 1.3 km to 1.3 km28.6% from 1.3 km to 1.3 km25.7% from 1.3 km to 1.3 km27.9% from 1.3 km to 1.3 km18.8% from 1.3 km to 1.3 km17.6% from 1.3 km to 1.3 km16.7% from 1.3 km to 1.4 km16.7% from 1.4 km to 1.4 km11.8% from 1.4 km to 1.4 km12.0% from 1.4 km to 1.4 km9.5% from 1.4 km to 1.4 km9.8% from 1.4 km to 1.4 km10.0% from 1.4 km to 1.4 km11.1% from 1.4 km to 1.4 km0.0% from 1.4 km to 1.4 km4.5% from 1.4 km to 1.4 km2.1% from 1.4 km to 1.4 km6.4% from 1.4 km to 1.4 km6.3% from 1.4 km to 1.4 km9.6% from 1.4 km to 1.4 km10.2% from 1.4 km to 1.4 km5.4% from 1.4 km to 1.4 km0.0% from 1.4 km to 1.4 km1.8% from 1.4 km to 1.4 km1.6% from 1.4 km to 1.5 km-6.2% from 1.5 km to 1.5 km2.8% from 1.5 km to 1.5 km10.0% from 1.5 km to 1.5 km8.3% from 1.5 km to 1.5 km7.5% from 1.5 km to 1.5 km16.1% from 1.5 km to 1.5 km22.0% from 1.5 km to 1.5 km18.3% from 1.5 km to 1.5 km9.6% from 1.5 km to 1.6 km8.8% from 1.6 km to 1.6 km3.4% from 1.6 km to 1.6 km7.1% from 1.6 km to 1.6 km11.9% from 1.6 km to 1.6 km5.2% from 1.6 km to 1.6 km9.5% from 1.6 km to 1.6 km-5.1% from 1.6 km to 1.6 km-6.7% from 1.6 km to 1.6 km-7.5% from 1.6 km to 1.6 km-2.7% from 1.6 km to 1.6 km-4.2% from 1.6 km to 1.6 km-6.7% from 1.6 km to 1.6 km12.1% from 1.6 km to 1.6 km21.7% from 1.6 km to 1.7 km-9.1% from 1.7 km to 1.7 km-7.8% from 1.7 km to 1.7 km-0.9% from 1.7 km to 1.7 km-11.9% from 1.7 km to 1.7 km-27.0% from 1.7 km to 1.7 km-15.3% from 1.7 km to 1.8 km2.8% from 1.8 km to 1.8 km7.9% from 1.8 km to 1.8 km6.3% from 1.8 km to 1.8 km7.1% from 1.8 km to 1.8 km12.9% from 1.8 km to 1.8 km19.2% from 1.8 km to 1.9 km27.1% from 1.9 km to 1.9 km22.8% from 1.9 km to 1.9 km16.1% from 1.9 km to 1.9 km11.3% from 1.9 km to 1.9 km8.8% from 1.9 km to 1.9 km6.2% from 1.9 km to 1.9 km6.6% from 1.9 km to 1.9 km7.9% from 1.9 km to 1.9 km1.2% from 1.9 km to 1.9 km-3.1% from 1.9 km to 1.9 km5.6% from 1.9 km to 2.0 km-4.8% from 2.0 km to 2.0 km-4.0% from 2.0 km to 2.0 km0.0% from 2.0 km to 2.0 km3.2% from 2.0 km to 2.0 km12.2% from 2.0 km to 2.0 km20.0% from 2.0 km to 2.0 km28.6% from 2.0 km to 2.0 km29.6% from 2.0 km to 2.0 km30.5% from 2.0 km to 2.0 km35.3% from 2.0 km to 2.0 km33.3% from 2.0 km to 2.0 km27.4% from 2.0 km to 2.0 km22.4% from 2.0 km to 2.0 km13.2% from 2.0 km to 2.0 km4.0% from 2.0 km to 2.0 km-1.9% from 2.0 km to 2.0 km-2.1% from 2.0 km to 2.0 km11.3% from 2.0 km to 2.1 km20.4% from 2.1 km to 2.1 km24.0% from 2.1 km to 2.1 km32.1% from 2.1 km to 2.1 km35.2% from 2.1 km to 2.1 km27.1% from 2.1 km to 2.1 km23.6% from 2.1 km to 2.1 km22.0% from 2.1 km to 2.1 km17.4% from 2.1 km to 2.1 km10.0% from 2.1 km to 2.1 km15.2% from 2.1 km to 2.1 km12.2% from 2.1 km to 2.1 km9.8% from 2.1 km to 2.1 km16.7% from 2.1 km to 2.1 km20.0% from 2.1 km to 2.1 km20.0% from 2.1 km to 2.1 km20.4% from 2.1 km to 2.1 km19.3% from 2.1 km to 2.1 km15.1% from 2.1 km to 2.1 km13.4% from 2.1 km to 2.2 km8.6% from 2.2 km to 2.2 km2.9% from 2.2 km to 2.2 km6.6% from 2.2 km to 2.2 km9.2% from 2.2 km to 2.2 km1.3% from 2.2 km to 2.2 km-2.7% from 2.2 km to 2.2 km-4.1% from 2.2 km to 2.2 km-3.1% from 2.2 km to 2.2 km-4.2% from 2.2 km to 2.2 km-1.5% from 2.2 km to 2.2 km0.0% from 2.2 km to 2.2 km1.5% from 2.2 km to 2.2 km5.7% from 2.2 km to 2.3 km9.1% from 2.3 km to 2.3 km6.5% from 2.3 km to 2.3 km1.7% from 2.3 km to 2.3 km3.9% from 2.3 km to 2.3 km-1.0% from 2.3 km to 2.3 km1.5% from 2.3 km to 2.3 km-1.2% from 2.3 km to 2.3 km0.9% from 2.3 km to 2.3 km5.4% from 2.3 km to 2.3 km-5.1% from 2.3 km to 2.4 km-8.8% from 2.4 km to 2.4 km1.6% from 2.4 km to 2.4 km-3.3% from 2.4 km to 2.4 km-12.3% from 2.4 km to 2.4 km-28.6% from 2.4 km to 2.5 km-16.5% from 2.5 km to 2.5 km-6.4% from 2.5 km to 2.5 km-13.2% from 2.5 km to 2.5 km-17.2% from 2.5 km to 2.5 km-0.4% from 2.5 km to 2.6 km-11.4% from 2.6 km to 2.6 km-10.8% from 2.6 km to 2.6 km-12.0% from 2.6 km to 2.6 km6.7% from 2.6 km to 2.6 km-34.4% from 2.6 km to 2.7 km-8.5% from 2.7 km to 2.7 km-8.0% from 2.7 km to 2.7 km-1.3% from 2.7 km to 2.7 km8%15%13%3%3%-10%0 m500 m1 km1.5 km2 km2.5 km
Gradient key0-3%3-6%6-9%9-12%12-15%15%+

Climb Stats

Combined metric and imperial stats for quick route planning.

Climb categoryCategory 3
Distance2.72 km / 1.69 miles
Elevation gain182.6 m / 599 ft
Average gradient6.7%
Maximum gradient36.3%
Elevation high264.24 m / 867 ft
Elevation low40.69 m / 133 ft
Climb difficulty score18,255.23

Similar Climbs Nearby

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Tip: rotate your phone to landscape and swipe the table sideways to reveal the full set of climb details.

ClimbLengthGradientAscent
Knight to Quercus
San Rafael, Marin County
2.85 km6.3%180 m
Freitas to top of Sorich
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2.62 km6.1%161 m
Montecillo to TL ridge top
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2.32 km6.6%178 m
Gold Hill - Just the Dirt
San Rafael, Marin County
2.91 km7.5%218 m
Del Ganado to 680
San Rafael, Marin County
2.39 km7.8%185 m

Climb Rank

How does this climb compare against every other climb in the world?

🗺

This climb ranks 258,515th out of 2,710,652 worldwide cycling climbs.

🧮

Ranked as the 18,131st most difficult cycling climb of all 337,250 climbs in United States.

📉

Places 6,927th out of 66,571 cycling climbs in California.

⚖

Ranks 430th out of 2,439 cycling climbs in Marin County.

⚖

Ranking 27th out of 416 cycling climbs in San Rafael.

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