Rebecca's Private Idaho

Hard

Date

2026-09-05

Location

Sun Valley, Idaho, United States

Distance

190 km

Elevation

N/A

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▌ RIDER INTEL DOSSIER

ID: REBECCA-S-PRIVATE-IDAHO

GR SCORE

/ 100

TIER 2

~/dossier/rebecca-s-private-idaho $ cat briefing.md

▌ Rebecca Rusch’s Sawtooth festival. Big mountains, big inclusion.

Rebecca Rusch’s Idaho festival of gravel — three distances through the Sawtooth Mountains, a multi-day weekend, and a culture of inclusion that has set the tone for the modern US scene.

EFFORT47/70

EXPER.62/70

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14 SCORING DIMENSIONS

· Inside the rating

$ ./radar --plot

REBECCA'S PRIVATE IDAHO

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EFFORT MATRIX

· Physical demands · 7 vectors

$ ./bench --effort

LENGTH08/10

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08/10190 km Big Potato; 100 km Baked Potato; shorter French Fry

190 km Big Potato; 100 km Baked Potato; shorter French Fry

CLIMBING08/10

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08/10~2,500 m of constant Sawtooth foothill climbs

~2,500 m of constant Sawtooth foothill climbs

ALTITUDE07/10

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07/10Ketchum at 1,800 m, course climbs above 2,400 m

Ketchum at 1,800 m, course climbs above 2,400 m

DURABILITY08/10

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08/108-12 hr at altitude — body management is key

8-12 hr at altitude — body management is key

TECHNICALITY05/10

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05/10Mostly graded ranch roads; occasional chunky descent

Mostly graded ranch roads; occasional chunky descent

HEAT05/10

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05/10September Idaho: 10-25 °C, intense midday sun

September Idaho: 10-25 °C, intense midday sun

RACE PRESSURE06/10

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06/10Pro field shows up but festival vibe dominates

Pro field shows up but festival vibe dominates

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EXPERIENCE MATRIX

· Race quality · 7 vectors

$ ./bench --experience

ADVENTURE09/10

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09/10Sawtooth Mountains backcountry, Hemingway country

Sawtooth Mountains backcountry, Hemingway country

SCENERY10/10

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10/10Sawtooth peaks, aspen groves, alpine meadows

Sawtooth peaks, aspen groves, alpine meadows

ORGANIZATION10/10

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10/10Rebecca’s production with deep care for riders

Rebecca’s production with deep care for riders

VALUE07/10

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07/10Mid-range entry; Ketchum lodging premium during race week

Mid-range entry; Ketchum lodging premium during race week

COMMUNITY10/10

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10/10The most inclusive culture in US gravel

The most inclusive culture in US gravel

ACCESSIBILITY08/10

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08/10Three distances, no lottery, multi-day events

Three distances, no lottery, multi-day events

FIELD DEPTH08/10

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08/10Pros and recreational riders share course energy

Pros and recreational riders share course energy

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GREEN FLAGS

$ ./pros

[+]Three distances accommodate any ambition
[+]Multi-day festival vibe with bonus rides
[+]Spectacular Sawtooth Mountains scenery
[+]Rebecca Rusch’s inclusive culture sets the tone
[+]Ketchum is a charming mountain town
[+]Strong post-race scene with concerts and food

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RED FLAGS

$ ./cons

[!]Altitude flattens unacclimatised riders
[!]Ketchum lodging premium during race week
[!]September can deliver early snow at altitude
[!]Long shuttles back to start for shorter courses
[!]Smoke from regional wildfires in some years

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RIDER FIT

· Match by archetype

$ match-rider --types

ClimberPRIME · 9/10

Sustained foothill climbs reward power-to-weight

Altitude LoverPRIME · 9/10

Course at 1,800-2,400 m — acclimation matters

Adventure TouristPRIME · 10/10

Pair with a Sawtooth riding holiday

Endurance MulePRIME · 8/10

Big Potato is a real 8-12 hr day

Skill RiderGOOD · 6/10

Loose descents reward bike handling

Privateer ProGOOD · 7/10

Marquee event with strong visibility

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⚡ SIGNATURE CHALLENGE

Altitude with a smile

Sustained efforts at 2,000-2,400 m are the physical test, but the festival weekend lets you choose your distance honestly. Big Potato is the marquee; Baked Potato is the smart play for first-timers.

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TIRE INTEL

· Setup recommendation

$ rubber --recommend

WIDTH

40-45 mm

PRESSURE

26-32 psi

PATTERN

Semi-slick with edge knobs

Mostly graded ranch road with chunkier descents — favour rolling speed but keep some grip for loose corners at altitude.

▶ TOP PICKS

1.Schwalbe G-One RS[40mm]— Race-day rolling speed for the long Big Potato

2.Pirelli Cinturato Gravel H[40mm]— Hard-pack speed, low rolling resistance

3.Maxxis Reaver[40mm]— Predictable on loose Sawtooth descents

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WEATHER PLAYBOOK

· What the sky throws at you

$ forecast --race

Early September Sawtooth: cool starts (3-8 °C), highs 18-25 °C, possible afternoon thunderstorms above 2,000 m. Bring a packable shell and arm warmers.

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