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The Bear Chase
UltraUnited StatesColorado

The Bear Chase 2027

02.10 – 03.10.2027Lakewood (United States)Dates to be confirmed
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3 courses · 50–100 km31.1–62.1 mi · up to 1’322 m D+up to 4’337 ft D+

At a glance

The Bear Chase 2027 is expected from Saturday 2 to Sunday 3 October 2027 in Lakewood (Colorado, United States), date to be confirmed by the organiser. Three distances to choose from: 50, 80.5 and 100 km.

Longest course: 100 km with 1’322 m D+ (13 m per km: runnable terrain). It has 10 aid stations. Terrain: 96% trail and 3% road. Terrain data: © OpenStreetMap contributors.

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The Bear Chase Race Endurance Festival is a 100K, 50 Mile, 50K, Half Marathon, 10K and the New 5k trail race at beautiful Bear Creek Lake Park, in Lakewood, CO. An excellent race for first time trail…
From the organiser

3 courses

  1. 50km31.1mi

    621 m D+2’037 ft D+

    557 m D-1’827 ft D-

    avg 1%

    50K
    No index
    GPX

  2. 80.5km50mi

    1’058 m D+3’471 ft D+

    939 m D-3’081 ft D-

    avg 1%

    50 Mile
    No index
    GPX

  3. 100km62.1mi

    1’322 m D+4’337 ft D+

    1’203 m D-3’947 ft D-

    avg 1%

    100K

    10 aid stations

    No index
    GPX

Course analysis

100 km62.1 mi1’322 m D+4’337 ft D+

113effort kmⓘ100 km on the map · feels like 113 km62.1 mi on the map · feels like 113 km
D+
1’322 m4’337 ft
D−
1’203 m3’947 ft
Max alt.
1’767 m5’797 ft
Steepest
9%

Segments

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Elevation profile: 100K

1’664 m – 1’767 m5’459 ft – 5’797 ft

Terrain

Aid station by aid station

Terrain, climb and cutoff between each aid station.

  1. Start → Homestead Aid km 0 → 8.5km 0 → 5.3

    8.5 km5.3 mi · +100 m328 ft · −157 m515 ft

  2. Homestead Aid → Cattail Creek Aid km 8.5 → 14.1km 5.3 → 8.8

    5.6 km3.5 mi · +82 m269 ft · −21 m69 ft

  3. Cattail Creek Aid → Homestead Aid km 14.1 → 28.5km 8.8 → 17.7

    14.4 km8.9 mi · +162 m531 ft · −223 m732 ft

  4. Homestead Aid → Cattail Creek Aid km 28.5 → 34.2km 17.7 → 21.2

    5.7 km3.5 mi · +80 m262 ft · −19 m62 ft

  5. Cattail Creek Aid → Homestead Aid km 34.2 → 48.5km 21.2 → 30.1

    14.4 km8.9 mi · +157 m515 ft · −218 m715 ft

  6. Homestead Aid → Cattail Creek Aid km 48.5 → 54.2km 30.1 → 33.7

    5.7 km3.5 mi · +81 m266 ft · −20 m66 ft

  7. Cattail Creek Aid → Homestead Aid km 54.2 → 68.6km 33.7 → 42.6

    14.4 km8.9 mi · +160 m525 ft · −221 m725 ft

  8. Homestead Aid → Cattail Creek Aid km 68.6 → 74.3km 42.6 → 46.1

    5.7 km3.5 mi · +79 m259 ft · −18 m59 ft

Elevation figures are measured by Kliva on the course trace. Cutoffs are the organiser's.

Race plan

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Pacing, aid stations and fueling timed to your effort on The Bear Chase, in one roadbook.

Includes this race's official aid stations and cutoff times.

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Feels like these

External route

50K50 km31.1 mi621 m D+2’037 ft D+

External content: map and profile provided by the third-party service.

Where to stay

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