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About RaceIndexOur methodologyData coverageCyclingTriathlon

Climb, grade and descent planning

Hilly running races and big-climb route profiles

Shortlist races where the route profile matters: total ascent, climbing per km, steepest grade, descent and the low-ascent alternatives when you need a gentler tune-up.

Climb-route coverage

806Race pages with elevation profiles633Hilly route candidates633Candidates with route maps60Mapped climb ranking pages

Clean ranking URLs

Hilly, steep, descent and low-ascent rankings

All rankings →

Mapped route ranking pages

Route-first shortlist

Big-climb route candidates

Route maps →

This list favours ascent, climbing per km, steepness and descent. Check the race page before you decide whether the route suits a workout, tune-up or target race.

Route metrics runners check before a climb-heavy race

Biggest ascent totals

  1. Tahoe 200 Endurance Run Ultramarathon: 13,097 m ascent; 40.6 m/km climbing; 13,099 m descent
  2. Run Rabbit Run 50 & 100 Mile Race Ultramarathon: 11,159 m ascent; 69.3 m/km climbing; 11,151 m descent
  3. Hardrock Hundred Mile Endurance Run Ultramarathon: 9,546 m ascent; 59.3 m/km climbing; 9,547 m descent
  4. Scout Mountain Ultras Ultramarathon: 6,262 m ascent; 38.0 m/km climbing; 39.4% max grade; 6,271 m descent; GAP 11.3%
  5. Unicaja Ultra Sierra Nevada Ultramarathon: 5,322 m ascent; 53.2 m/km climbing; 3,876 m descent

Most climbing per km

  1. Sinks Canyon Rough and Tumble Trail Races Ultramarathon: 4,282 m ascent; 85.6 m/km climbing; 4,276 m descent
  2. Dolomiti di Brenta Trail (Molveno) Half Marathon: 1,509 m ascent; 71.9 m/km climbing; 1,511 m descent
  3. Run Rabbit Run 50 & 100 Mile Race Ultramarathon: 11,159 m ascent; 69.3 m/km climbing; 11,151 m descent
  4. Zagori Mountain Running (ZMR) Ultramarathon: 4,049 m ascent; 67.5 m/km climbing; 4,048 m descent
  5. Dolomiti di Brenta Trail (Molveno) Ultramarathon: 4,066 m ascent; 63.5 m/km climbing; 4,087 m descent

Steepest route profiles

  1. Endurancelife Classic Quarter (Cornwall Coastal Ultra) Ultramarathon: 1,916 m ascent; 27.1 m/km climbing; 45.0% max grade; 1,884 m descent; GAP 8.3%
  2. Endurancelife Classic Quarter (Cornwall Coastal Ultra) Relay: 1,916 m ascent; 27.1 m/km climbing; 45.0% max grade; 1,884 m descent; GAP 8.3%
  3. Volvic Volcanic Experience (VVX) Other: 644 m ascent; 26.8 m/km climbing; 44.8% max grade; 644 m descent; GAP 6.7%
  4. Lake Tahoe Marathon Ultramarathon: 1,912 m ascent; 16.5 m/km climbing; 44.7% max grade; 1,939 m descent; GAP 3.1%
  5. Lake Tahoe Marathon Relay: 1,912 m ascent; 16.5 m/km climbing; 44.7% max grade; 1,939 m descent; GAP 3.1%

Biggest descent totals

  1. Tahoe 200 Endurance Run Ultramarathon: 13,097 m ascent; 40.6 m/km climbing; 13,099 m descent
  2. Run Rabbit Run 50 & 100 Mile Race Ultramarathon: 11,159 m ascent; 69.3 m/km climbing; 11,151 m descent
  3. Hardrock Hundred Mile Endurance Run Ultramarathon: 9,546 m ascent; 59.3 m/km climbing; 9,547 m descent
  4. Western States Endurance Run Ultramarathon: 4,960 m ascent; 30.8 m/km climbing; 39.2% max grade; 6,466 m descent; GAP 5.7%
  5. Scout Mountain Ultras Ultramarathon: 6,262 m ascent; 38.0 m/km climbing; 39.4% max grade; 6,271 m descent; GAP 11.3%

Climb-route leader by distance

Top climb-focused route candidate per distance, after plausibility filtering
DistanceRaceAscentClimb/kmMax gradeDescent
UltramarathonTahoe 200 Endurance Run13,097 m40.6 m/kmUnavailable13,099 m
RelayVltava Run5,230 m13.9 m/km25.9%6,136 m
MarathonMohawk Mountain Race (Cornwall)1,991 m47.2 m/km37.1%1,990 m
Half MarathonZagori Mountain Running (ZMR)1,107 m52.7 m/km39.9%1,092 m
OtherSlovenski gozdarski trail1,336 m39.3 m/km40.6%1,335 m
5KSljemenski Maraton (Zagreb)245 m49.0 m/km38.6%248 m
10KEndurancelife Peak District (Castleton)510 m51.0 m/km31.1%511 m
10 MileSognefjord Trail Run755 m44.4 m/km32.1%756 m
15KSoča Outdoor Festival493 m33.8 m/km37.9%502 m
12KCarson Canyons Super-K Trail Runs473 m39.4 m/km26.6%464 m

How to use this for climb planning

Open the route map

Check where the climbs arrive, not just how much ascent the course has overall.

Read the profile

Use the elevation profile for ascent, descent, grade and GAP context before choosing a goal.

Compare by distance

Move from this hub into hilly, climb-density, steepest, descent and low-ascent rankings.

Check conditions

Heat, wind and rain can change how hard a climb-heavy route feels on race day.

Need less climbing?

Use low-ascent races as contrast options when your training block needs the same distance without another heavy climb day.

  1. Summer Breeze Half Marathon (San Leandro) Half Marathon: 0 m ascent; 1.8% max grade; 0 m descent; GAP 0.0%
  2. Summer Breeze Half Marathon (San Leandro) 10K: 0 m ascent; 1.7% max grade; 0 m descent; GAP 0.0%
  3. Mississippi River Marathon 5K: 4 m ascent; 0.8 m/km climbing; 2.4% max grade; 4 m descent; GAP 0.1%
  4. Naturosa Catania Marathon 10K: 4 m ascent; 0.4 m/km climbing; 0.7% max grade; 4 m descent; GAP -0.0%
  5. Bath & Bristol Railway Races 10K: 7 m ascent; 0.7 m/km climbing; 2.6% max grade; 6 m descent; GAP 0.1%

Route-profile checks

  • Hilly race shortlists start with route-profile data: ascent, climbing per km, grade and descent.
  • Climb density keeps shorter sharp routes visible alongside longer mountain and ultra routes.
  • Descent is shown separately because downhill load can matter as much as uphill effort.
  • Low-ascent links are included for runners comparing the same distance with less climbing.

Hilly running race questions

Which running races are hilly or climb-focused?

raceindex.org has 698 route-profiled race pages with climb, grade or descent figures. This hub highlights routes with bigger ascent, more climbing per km, steeper grades or larger descents, then links to distance-specific climb rankings.

Is a hilly race the same as a trail race?

No. Trail describes surface and terrain. Hilly describes the route profile. A road race can be hilly, and a trail race can still have long runnable sections.

What does climbing per km mean?

Climbing per km is total ascent divided by race distance. It helps compare a short sharp 10K with a longer marathon or ultra where total ascent alone can dominate.

Why include descent for hilly race planning?

Big descents can be as decisive as climbs. They affect pacing, braking load and quad fatigue, especially on mountain, trail and net-downhill routes.

Why link to low-ascent rankings from a hilly race hub?

Low-ascent pages give runners a contrast set. They are useful when you want the same distance but less climbing, or when a tune-up race should not overload your legs.