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Sleeping Giant Trail Runs
TrailUnited StatesConnecticut

Sleeping Giant Trail Runs 2027

04.04.2027Hamden (United States)
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3 courses · 40–80 km24.9–49.7 mi · up to 1’828 m D+up to 5’997 ft D+

At a glance

Sleeping Giant Trail Runs 2027 takes place on Sunday 4 April 2027 in Hamden (Connecticut, United States). Two distances to choose from: 40 and 80 km.

Longest course: 80 km with 1’828 m D+ (23 m per km: hilly terrain).

On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

This race is one of the toughest, gnarliest races in the Northeast. Considered one of the more iconic parks and popular trail running/hiking spots in Connecticut for outdoor enthusiasts, it offers…
From the organiser

3 courses

  1. 40km24.9mi

    914 m D+2’999 ft D+

    1’163 m D-3’816 ft D-

    avg 2%

    25K

    4 aid stations

    No index
    GPX

  2. 80km49.7mi

    1’828 m D+5’997 ft D+

    avg 2%

    50K
    No index

  3. –

    loop
    No index

Course analysis

25K40 km24.9 mi914 m D+2’999 ft D+

49effort kmⓘ40 km on the map · feels like 49 km24.9 mi on the map · feels like 49 km
D+
914 m2’999 ft
D−
1’163 m3’816 ft
Max alt.
220 m722 ft
Steepest
22%

Segments

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Elevation profile: 25K

27 m – 220 m89 ft – 722 ft

Terrain

Aid station by aid station

Terrain, climb and cutoff between each aid station.

  1. Start → Quarry Aid Station km 0 → 1.1km 0 → 0.7

    1.1 km0.7 mi · +15 m49 ft · −28 m92 ft

  2. Quarry Aid Station → Quarry Aid Station km 1.1 → 8.3km 0.7 → 5.2

    7.2 km4.5 mi · +186 m610 ft · −170 m558 ft

  3. Quarry Aid Station → Chestnut Aid Station km 8.3 → 13.6km 5.2 → 8.4

    5.3 km3.3 mi · +387 m1’270 ft · −334 m1’096 ft

  4. Chestnut Aid Station → Chestnut Aid Station km 13.6 → 19.8km 8.4 → 12.3

    6.2 km3.8 mi · +321 m1’053 ft · −321 m1’053 ft

  5. Chestnut Aid Station → Finish km 19.8 → 40km 12.3 → 24.9

    20.2 km12.6 mi · +253 m830 ft · −313 m1’027 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 Sleeping Giant Trail Runs, in one roadbook.

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

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Where to stay

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