BikeClimbs.com

Sorompótól a Farkas-hegyen át a Budaörsi-hegyig

📍
Hegyvidéki erdőterületek, Budaörs, Budakeszi járás, Pest, Central Hungary, 2040, Hungary
Cat. 3Flag this climb
Save your rider settings to unlock climb-time estimates and the effort table below.

Climb Profile

Altitude builds left to right while colour shows gradient severity for each part of Sorompótól a Farkas-hegyen át a Budaörsi-hegyig.

250 m310 m370 m430 m7.3% from 0 m to 4 m7.3% from 4 m to 8 m7.5% from 8 m to 12 m7.9% from 12 m to 16 m7.9% from 16 m to 20 m8.6% from 20 m to 23 m7.9% from 23 m to 27 m7.5% from 27 m to 31 m7.3% from 31 m to 35 m7.9% from 35 m to 39 m7.0% from 39 m to 43 m7.0% from 43 m to 48 m6.7% from 48 m to 52 m2.4% from 52 m to 56 m4.2% from 56 m to 61 m4.4% from 61 m to 66 m5.4% from 66 m to 69 m2.9% from 69 m to 73 m0.0% from 73 m to 76 m4.9% from 76 m to 80 m2.4% from 80 m to 85 m2.2% from 85 m to 89 m2.0% from 89 m to 94 m4.4% from 94 m to 99 m2.3% from 99 m to 103 m2.5% from 103 m to 107 m2.2% from 107 m to 112 m1.9% from 112 m to 117 m1.9% from 117 m to 122 m0.0% from 122 m to 127 m2.9% from 127 m to 130 m0.0% from 130 m to 134 m2.9% from 134 m to 137 m0.0% from 137 m to 140 m3.1% from 140 m to 143 m0.0% from 143 m to 146 m1.7% from 146 m to 152 m3.3% from 152 m to 158 m3.1% from 158 m to 161 m0.0% from 161 m to 165 m3.1% from 165 m to 168 m3.1% from 168 m to 171 m2.9% from 171 m to 174 m2.9% from 174 m to 178 m5.7% from 178 m to 181 m2.8% from 181 m to 185 m2.9% from 185 m to 189 m6.1% from 189 m to 192 m5.9% from 192 m to 195 m8.1% from 195 m to 199 m5.3% from 199 m to 203 m7.9% from 203 m to 207 m6.2% from 207 m to 210 m7.5% from 210 m to 214 m8.6% from 214 m to 217 m7.0% from 217 m to 222 m6.3% from 222 m to 225 m4.0% from 225 m to 232 m3.2% from 232 m to 239 m3.4% from 239 m to 244 m3.1% from 244 m to 251 m1.7% from 251 m to 257 m3.3% from 257 m to 263 m1.8% from 263 m to 268 m3.1% from 268 m to 275 m1.9% from 275 m to 280 m4.0% from 280 m to 285 m2.1% from 285 m to 290 m4.1% from 290 m to 295 m2.3% from 295 m to 299 m1.9% from 299 m to 304 m4.8% from 304 m to 309 m3.3% from 309 m to 315 m2.9% from 315 m to 318 m3.6% from 318 m to 324 m3.8% from 324 m to 329 m7.8% from 329 m to 334 m8.6% from 334 m to 338 m10.9% from 338 m to 343 m8.7% from 343 m to 348 m11.8% from 348 m to 353 m7.8% from 353 m to 358 m7.8% from 358 m to 363 m7.7% from 363 m to 368 m8.0% from 368 m to 373 m6.0% from 373 m to 378 m9.4% from 378 m to 381 m13.0% from 381 m to 386 m11.3% from 386 m to 391 m12.2% from 391 m to 396 m12.0% from 396 m to 401 m13.7% from 401 m to 406 m11.8% from 406 m to 410 m12.1% from 410 m to 413 m15.1% from 413 m to 418 m12.9% from 418 m to 424 m14.0% from 424 m to 430 m13.7% from 430 m to 435 m63.3% from 435 m to 440 m28.9% from 440 m to 445 m28.3% from 445 m to 449 m29.2% from 449 m to 454 m28.0% from 454 m to 459 m4.3% from 459 m to 464 m-50.0% from 464 m to 467 m-45.0% from 467 m to 471 m-46.9% from 471 m to 476 m-46.8% from 476 m to 481 m0.0% from 481 m to 485 m0.0% from 485 m to 490 m0.0% from 490 m to 495 m0.0% from 495 m to 499 m0.0% from 499 m to 504 m0.0% from 504 m to 509 m3.8% from 509 m to 514 m10.7% from 514 m to 520 m9.3% from 520 m to 525 m10.8% from 525 m to 532 m10.0% from 532 m to 537 m7.7% from 537 m to 541 m9.8% from 541 m to 546 m11.1% from 546 m to 550 m10.7% from 550 m to 555 m9.7% from 555 m to 561 m8.9% from 561 m to 567 m10.5% from 567 m to 573 m10.6% from 573 m to 577 m9.8% from 577 m to 588 m9.4% from 588 m to 593 m10.9% from 593 m to 597 m8.9% from 597 m to 602 m13.0% from 602 m to 607 m18.6% from 607 m to 611 m15.4% from 611 m to 615 m20.6% from 615 m to 618 m17.6% from 618 m to 622 m15.6% from 622 m to 625 m17.1% from 625 m to 628 m18.9% from 628 m to 632 m16.7% from 632 m to 636 m17.1% from 636 m to 639 m14.7% from 639 m to 642 m17.6% from 642 m to 646 m15.2% from 646 m to 649 m14.7% from 649 m to 653 m14.7% from 653 m to 656 m15.2% from 656 m to 659 m11.8% from 659 m to 663 m13.5% from 663 m to 668 m13.6% from 668 m to 674 m12.2% from 674 m to 679 m13.6% from 679 m to 683 m12.5% from 683 m to 688 m13.3% from 688 m to 692 m15.6% from 692 m to 696 m15.2% from 696 m to 699 m12.9% from 699 m to 702 m12.9% from 702 m to 705 m13.3% from 705 m to 708 m14.0% from 708 m to 714 m13.0% from 714 m to 719 m13.7% from 719 m to 724 m11.9% from 724 m to 728 m12.5% from 728 m to 732 m11.6% from 732 m to 737 m11.4% from 737 m to 741 m11.4% from 741 m to 746 m9.8% from 746 m to 750 m11.4% from 750 m to 754 m11.4% from 754 m to 758 m9.5% from 758 m to 763 m10.5% from 763 m to 766 m9.8% from 766 m to 771 m10.0% from 771 m to 775 m10.3% from 775 m to 778 m8.1% from 778 m to 782 m11.1% from 782 m to 786 m7.9% from 786 m to 790 m11.4% from 790 m to 793 m8.3% from 793 m to 797 m10.3% from 797 m to 801 m11.4% from 801 m to 804 m11.4% from 804 m to 808 m9.7% from 808 m to 811 m11.4% from 811 m to 814 m10.6% from 814 m to 819 m11.8% from 819 m to 822 m10.2% from 822 m to 827 m10.6% from 827 m to 832 m11.5% from 832 m to 837 m12.8% from 837 m to 842 m8.3% from 842 m to 847 m0.0% from 847 m to 851 m0.0% from 851 m to 856 m0.0% from 856 m to 861 m0.0% from 861 m to 866 m0.0% from 866 m to 871 m0.0% from 871 m to 875 m80.0% from 875 m to 880 m0.0% from 880 m to 886 m0.0% from 886 m to 891 m0.0% from 891 m to 896 m0.0% from 896 m to 902 m0.0% from 902 m to 907 m0.0% from 907 m to 912 m0.0% from 912 m to 917 m0.0% from 917 m to 922 m0.0% from 922 m to 927 m0.0% from 927 m to 932 m1.9% from 932 m to 938 m2.8% from 938 m to 941 m0.0% from 941 m to 945 m0.0% from 945 m to 948 m0.0% from 948 m to 952 m0.0% from 952 m to 955 m0.0% from 955 m to 959 m3.3% from 959 m to 962 m0.0% from 962 m to 965 m0.0% from 965 m to 968 m0.0% from 968 m to 973 m1.9% from 973 m to 979 m4.1% from 979 m to 984 m1.8% from 984 m to 989 m1.7% from 989 m to 995 m0.0% from 995 m to 998 m0.0% from 998 m to 1.0 km2.9% from 1.0 km to 1.0 km0.0% from 1.0 km to 1.0 km1.8% from 1.0 km to 1.0 km1.9% from 1.0 km to 1.0 km-3.2% from 1.0 km to 1.0 km0.0% from 1.0 km to 1.0 km0.0% from 1.0 km to 1.0 km0.0% from 1.0 km to 1.0 km0.0% from 1.0 km to 1.0 km11.1% from 1.0 km to 1.0 km30.0% from 1.0 km to 1.0 km28.3% from 1.0 km to 1.1 km14.5% from 1.1 km to 1.1 km-2.2% from 1.1 km to 1.1 km0.0% from 1.1 km to 1.1 km0.0% from 1.1 km to 1.1 km-2.6% from 1.1 km to 1.1 km0.0% from 1.1 km to 1.1 km-1.3% from 1.1 km to 1.1 km-1.3% from 1.1 km to 1.1 km-1.4% from 1.1 km to 1.1 km-1.3% from 1.1 km to 1.1 km-1.5% from 1.1 km to 1.1 km-1.9% from 1.1 km to 1.1 km0.0% from 1.1 km to 1.1 km-1.6% from 1.1 km to 1.2 km0.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km-1.8% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km-2.0% from 1.2 km to 1.2 km-2.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km-2.0% from 1.2 km to 1.3 km-2.0% from 1.3 km to 1.3 km0.0% from 1.3 km to 1.3 km-2.2% from 1.3 km to 1.3 km-2.1% from 1.3 km to 1.3 km2.2% from 1.3 km to 1.3 km14.6% from 1.3 km to 1.3 km10.5% from 1.3 km to 1.3 km7.9% from 1.3 km to 1.3 km5.3% from 1.3 km to 1.3 km7.3% from 1.3 km to 1.3 km6.7% from 1.3 km to 1.3 km9.1% from 1.3 km to 1.3 km17.1% from 1.3 km to 1.3 km15.8% from 1.3 km to 1.3 km17.5% from 1.3 km to 1.3 km16.3% from 1.3 km to 1.3 km18.2% from 1.3 km to 1.3 km13.3% from 1.3 km to 1.3 km8.6% from 1.3 km to 1.3 km10.5% from 1.3 km to 1.3 km9.1% from 1.3 km to 1.4 km6.5% from 1.4 km to 1.4 km7.5% from 1.4 km to 1.4 km10.3% from 1.4 km to 1.4 km6.8% from 1.4 km to 1.4 km0.0% from 1.4 km to 1.4 km0.0% from 1.4 km to 1.4 km2.9% from 1.4 km to 1.4 km2.5% from 1.4 km to 1.4 km2.3% from 1.4 km to 1.4 km2.7% from 1.4 km to 1.4 km3.1% from 1.4 km to 1.4 km3.1% from 1.4 km to 1.4 km2.2% from 1.4 km to 1.4 km2.0% from 1.4 km to 1.4 km2.0% from 1.4 km to 1.4 km2.0% from 1.4 km to 1.4 km1.6% from 1.4 km to 1.4 km3.0% from 1.4 km to 1.4 km1.1% from 1.4 km to 1.4 km-1.1% from 1.4 km to 1.4 km-1.1% from 1.4 km to 1.5 km-1.3% from 1.5 km to 1.5 km0.0% from 1.5 km to 1.5 km0.0% from 1.5 km to 1.5 km0.0% from 1.5 km to 1.5 km1.8% from 1.5 km to 1.5 km3.4% from 1.5 km to 1.5 km4.4% from 1.5 km to 1.5 km7.2% from 1.5 km to 1.5 km3.8% from 1.5 km to 1.5 km-5.8% from 1.5 km to 1.5 km-5.6% from 1.5 km to 1.6 km1.7% from 1.6 km to 1.6 km1.8% from 1.6 km to 1.6 km1.8% from 1.6 km to 1.6 km1.9% from 1.6 km to 1.6 km2.0% from 1.6 km to 1.6 km1.8% from 1.6 km to 1.6 km3.8% from 1.6 km to 1.6 km3.7% from 1.6 km to 1.6 km2.0% from 1.6 km to 1.6 km5.5% from 1.6 km to 1.6 km2.4% from 1.6 km to 1.6 km6.1% from 1.6 km to 1.6 km4.4% from 1.6 km to 1.6 km6.1% from 1.6 km to 1.6 km6.1% from 1.6 km to 1.6 km5.6% from 1.6 km to 1.6 km6.8% from 1.6 km to 1.6 km6.5% from 1.6 km to 1.6 km8.5% from 1.6 km to 1.6 km6.1% from 1.6 km to 1.6 km6.1% from 1.6 km to 1.6 km5.0% from 1.6 km to 1.7 km5.7% from 1.7 km to 1.7 km6.2% from 1.7 km to 1.7 km6.1% from 1.7 km to 1.7 km3.4% from 1.7 km to 1.7 km6.2% from 1.7 km to 1.7 km3.4% from 1.7 km to 1.7 km3.5% from 1.7 km to 1.7 km3.6% from 1.7 km to 1.7 km2.8% from 1.7 km to 1.7 km4.7% from 1.7 km to 1.7 km8.5% from 1.7 km to 1.7 km24.1% from 1.7 km to 1.7 km19.6% from 1.7 km to 1.7 km19.4% from 1.7 km to 1.7 km15.2% from 1.7 km to 1.7 km15.6% from 1.7 km to 1.7 km16.0% from 1.7 km to 1.7 km17.1% from 1.7 km to 1.7 km14.3% from 1.7 km to 1.7 km16.0% from 1.7 km to 1.7 km15.7% from 1.7 km to 1.7 km12.2% from 1.7 km to 1.8 km14.0% from 1.8 km to 1.8 km11.9% from 1.8 km to 1.8 km14.3% from 1.8 km to 1.8 km12.8% from 1.8 km to 1.8 km12.5% from 1.8 km to 1.8 km11.8% from 1.8 km to 1.8 km11.1% from 1.8 km to 1.8 km11.5% from 1.8 km to 1.8 km9.1% from 1.8 km to 1.8 km12.5% from 1.8 km to 1.8 km9.7% from 1.8 km to 1.8 km9.1% from 1.8 km to 1.8 km9.7% from 1.8 km to 1.8 km7.3% from 1.8 km to 1.8 km6.2% from 1.8 km to 1.8 km7.5% from 1.8 km to 1.8 km6.5% from 1.8 km to 1.8 km0.0% from 1.8 km to 1.8 km-1.8% from 1.8 km to 1.8 km0.0% from 1.8 km to 1.8 km0.0% from 1.8 km to 1.8 km0.0% from 1.8 km to 1.8 km0.0% from 1.8 km to 1.8 km0.0% from 1.8 km to 1.8 km0.0% from 1.8 km to 1.9 km0.0% from 1.9 km to 1.9 km0.0% from 1.9 km to 1.9 km2.9% from 1.9 km to 1.9 km0.0% from 1.9 km to 1.9 km0.0% from 1.9 km to 1.9 km7.0% from 1.9 km to 1.9 km13.0% from 1.9 km to 1.9 km14.3% from 1.9 km to 1.9 km13.2% from 1.9 km to 1.9 km14.8% from 1.9 km to 1.9 km13.5% from 1.9 km to 1.9 km15.6% from 1.9 km to 1.9 km13.6% from 1.9 km to 1.9 km12.5% from 1.9 km to 1.9 km13.0% from 1.9 km to 1.9 km10.0% from 1.9 km to 1.9 km11.8% from 1.9 km to 1.9 km13.7% from 1.9 km to 1.9 km11.8% from 1.9 km to 1.9 km12.2% from 1.9 km to 1.9 km11.9% from 1.9 km to 1.9 km11.4% from 1.9 km to 2.0 km12.1% from 2.0 km to 2.0 km12.2% from 2.0 km to 2.0 km14.7% from 2.0 km to 2.0 km11.4% from 2.0 km to 2.0 km13.0% from 2.0 km to 2.0 km15.0% from 2.0 km to 2.0 km12.8% from 2.0 km to 2.0 km15.2% from 2.0 km to 2.0 km11.4% from 2.0 km to 2.0 km16.2% from 2.0 km to 2.0 km13.5% from 2.0 km to 2.0 km16.3% from 2.0 km to 2.0 km17.1% from 2.0 km to 2.0 km16.3% from 2.0 km to 2.0 km16.2% from 2.0 km to 2.0 km16.2% from 2.0 km to 2.0 km16.7% from 2.0 km to 2.0 km18.2% from 2.0 km to 2.0 km18.9% from 2.0 km to 2.0 km16.2% from 2.0 km to 2.0 km15.8% from 2.0 km to 2.0 km14.7% from 2.0 km to 2.0 km13.5% from 2.0 km to 2.0 km15.9% from 2.0 km to 2.0 km14.3% from 2.0 km to 2.0 km14.0% from 2.0 km to 2.1 km14.6% from 2.1 km to 2.1 km12.8% from 2.1 km to 2.1 km15.8% from 2.1 km to 2.1 km12.5% from 2.1 km to 2.1 km12.8% from 2.1 km to 2.1 km8.8% from 2.1 km to 2.1 km7.5% from 2.1 km to 2.1 km7.7% from 2.1 km to 2.1 km7.3% from 2.1 km to 2.1 km9.1% from 2.1 km to 2.1 km7.7% from 2.1 km to 2.1 km8.3% from 2.1 km to 2.1 km7.3% from 2.1 km to 2.1 km7.1% from 2.1 km to 2.1 km7.1% from 2.1 km to 2.1 km7.1% from 2.1 km to 2.1 km9.1% from 2.1 km to 2.1 km7.5% from 2.1 km to 2.1 km8.8% from 2.1 km to 2.1 km7.8% from 2.1 km to 2.1 km9.4% from 2.1 km to 2.1 km8.0% from 2.1 km to 2.1 km8.2% from 2.1 km to 2.2 km8.3% from 2.2 km to 2.2 km9.6% from 2.2 km to 2.2 km8.3% from 2.2 km to 2.2 km8.0% from 2.2 km to 2.2 km8.2% from 2.2 km to 2.2 km8.7% from 2.2 km to 2.2 km8.5% from 2.2 km to 2.2 km7.3% from 2.2 km to 2.2 km9.6% from 2.2 km to 2.2 km8.9% from 2.2 km to 2.2 km9.3% from 2.2 km to 2.2 km10.5% from 2.2 km to 2.2 km9.3% from 2.2 km to 2.2 km9.8% from 2.2 km to 2.2 km10.2% from 2.2 km to 2.2 km10.9% from 2.2 km to 2.2 km10.9% from 2.2 km to 2.2 km11.7% from 2.2 km to 2.2 km12.0% from 2.2 km to 2.3 km10.9% from 2.3 km to 2.3 km11.3% from 2.3 km to 2.3 km12.2% from 2.3 km to 2.3 km12.8% from 2.3 km to 2.3 km10.5% from 2.3 km to 2.3 km13.0% from 2.3 km to 2.3 km10.4% from 2.3 km to 2.3 km10.5% from 2.3 km to 2.3 km11.4% from 2.3 km to 2.3 km12.9% from 2.3 km to 2.3 km8.6% from 2.3 km to 2.3 km11.1% from 2.3 km to 2.3 km13.0% from 2.3 km to 2.3 km11.5% from 2.3 km to 2.3 km9.7% from 2.3 km to 2.3 km12.2% from 2.3 km to 2.3 km12.5% from 2.3 km to 2.3 km10.7% from 2.3 km to 2.3 km12.5% from 2.3 km to 2.3 km10.4% from 2.3 km to 2.3 km12.3% from 2.3 km to 2.3 km11.3% from 2.3 km to 2.4 km10.6% from 2.4 km to 2.4 km8.8% from 2.4 km to 2.4 km9.7% from 2.4 km to 2.4 km10.0% from 2.4 km to 2.4 km12.1% from 2.4 km to 2.4 km9.4% from 2.4 km to 2.4 km8.5% from 2.4 km to 2.4 km9.8% from 2.4 km to 2.4 km10.9% from 2.4 km to 2.4 km9.1% from 2.4 km to 2.4 km8.3% from 2.4 km to 2.4 km7.8% from 2.4 km to 2.4 km8.7% from 2.4 km to 2.4 km7.9% from 2.4 km to 2.4 km6.7% from 2.4 km to 2.4 km9.1% from 2.4 km to 2.4 km7.5% from 2.4 km to 2.4 km6.3% from 2.4 km to 2.4 km7.3% from 2.4 km to 2.4 km7.9% from 2.4 km to 2.4 km6.3% from 2.4 km to 2.4 km5.1% from 2.4 km to 2.5 km6.3% from 2.5 km to 2.5 km4.5% from 2.5 km to 2.5 km2.0% from 2.5 km to 2.5 km3.3% from 2.5 km to 2.5 km2.9% from 2.5 km to 2.5 km2.9% from 2.5 km to 2.5 km0.0% from 2.5 km to 2.5 km2.9% from 2.5 km to 2.5 km1.8% from 2.5 km to 2.5 km0.0% from 2.5 km to 2.5 km2.8% from 2.5 km to 2.5 km0.0% from 2.5 km to 2.5 km0.0% from 2.5 km to 2.5 km2.6% from 2.5 km to 2.5 km0.0% from 2.5 km to 2.5 km2.8% from 2.5 km to 2.5 km0.0% from 2.5 km to 2.5 km2.6% from 2.5 km to 2.5 km2.6% from 2.5 km to 2.5 km0.0% from 2.5 km to 2.5 km2.6% from 2.5 km to 2.5 km0.0% from 2.5 km to 2.5 km2.4% from 2.5 km to 2.5 km0.0% from 2.5 km to 2.5 km2.4% from 2.5 km to 2.6 km2.1% from 2.6 km to 2.6 km2.0% from 2.6 km to 2.6 km0.0% from 2.6 km to 2.6 km0.0% from 2.6 km to 2.6 km2.0% from 2.6 km to 2.6 km0.0% from 2.6 km to 2.6 km0.0% from 2.6 km to 2.6 km2.9% from 2.6 km to 2.6 km0.0% from 2.6 km to 2.6 km0.0% from 2.6 km to 2.6 km2.1% from 2.6 km to 2.6 km0.0% from 2.6 km to 2.6 km2.1% from 2.6 km to 2.6 km0.0% from 2.6 km to 2.6 km5%9%3%8%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
Distance2.62 km / 1.63 miles
Elevation gain173.5 m / 569 ft
Average gradient6.6%
Maximum gradient37.8%
Elevation high428.2 m / 1,405 ft
Elevation low254.7 m / 836 ft
Climb difficulty score17,348.72

Similar Climbs Nearby

If you like the shape of this climb, these nearby options have a similar distance, gradient, and elevation profile.

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

ClimbLengthGradientAscent
over the top
Budaörs, Pest
1.94 km9.9%192 m
sas/csillagvölgyi mászás
Budaörs, Pest
1.94 km9.5%202 m
Hegyközi Utca Climb
Budaörs, Pest
1.6 km7.4%118 m
Budakeszi Farkas-hegy climb
Budaörs, Pest
1.62 km7.7%125 m
Trafó Utca Climb
Budaörs, Pest
1.53 km6.5%100 m

Climb Rank

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

🗺

This climb ranks 277,805th out of 2,710,652 worldwide cycling climbs.

🧮

Ranked as the 837th most difficult cycling climb of all 10,252 climbs in Hungary.

📉

Places 213th out of 2,457 cycling climbs in Central Hungary.

⚖

Ranks 212th out of 2,446 cycling climbs in Pest.

🏵️

A local climb of note, this is the 4th most difficult cycling climb (out of 99 climbs) in Budaörs.

Useful Links

View this climb on other sites.

Google Street View
Strava

Something wrong with this listing? Help keep BikeClimbs accurate.

Flag this climb