12-Week Training Timeline • Race-Day Checklists • Packing List
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“This year was in June, yesterday, June 5th, and temps were in the 90s with winds gusting up to 25mph... The weather forecast was for low 90s and high winds. Definitely, a tough day to be on a bike for 6-10hrs. I think I heard later that 350 had registered and 150 had shown up for the event.”
— Nicholas Garbis COMPETITIVE
“There's hardly a better gravel route to be found — natural beauty, grinding open spaces, epic climbs including the soul-breaking Oriole Road at mile 91. It's a spring gravel classic, so you can expect that the weather is rarely a friend. That's what spring racing is about. You prepare in fear.”
— Nicholas Garbis COMPETITIVE
Establish aerobic foundation. 70-85% volume in Z1-{{Z2}}. {{CTL}} rising steadily (+5-8/wk in loading weeks, netting about +10/month after recovery weeks). {{TSB}} slightly negative (-5 to -15). Week 4 = recovery week (60% volume). Feels boring but doable—you should finish most rides feeling like you could do more.
Layer intensity, develop race-specific fitness. 60-70% Z1-Z2, 30-40% Z3-Z6. Two to three quality sessions per week. The magic happens here: deliberately dig a fatigue hole ({{TSB}} goes to -25), recover just enough, then dig another hole. This is where fitness sharpens.
Weather Training Century Endurance Dress RehearsalShed fatigue, maintain sharpness. Volume drops 30-50%. Intensity stays high but duration decreases. Week 11: {{TSB}} rises to +5 to +10. Week 12: TSB targets +15 to +25 for race day. Fitness doesn't improve—the goal is to remove the fatigue layer so you can express the fitness you've built.
Minnesota spring weather is variable.
100-mile distance requires sustained effort.
Limited organization requires self-sufficiency.
Minnesota local gravel challenge.
Spring Valley Wilder 100 is a self-supported Minnesota gravel century through rolling Bluff Country. The $35 entry, 17 years of local continuity, and Gravel 'Sota membership are real strengths; limited field-depth evidence and intentionally minimal support keep it in Tier 4.
The organizer-linked 2026 route records 1,577.08 meters, or about 5,174 feet, across 102 miles. The Bluff Country pattern of valleys and plateaus creates repeated climbing without one defining mountain, and the late rollers still arrive after a full self-supported day.
The organizer describes 17 consecutive years of barrier-free gravel racing from Spring Valley, and the 2026 race joined Gravel 'Sota as the series opener. City ownership, volunteer support, and a deliberately accessible $35 entry show durable regional community even without national reach.
Weather extremes define this race, from 2021's brutal 94°F heat that caused half the registered field to skip, to historical variance "from the 30s to the 80s, cold rain to hot sun." Gerasimos G.
Grassroots, barrier-free, self-supported Bluff Country gravel racing. (est. 2021)
A solid local Minnesota century gravel race. Worth it for Minnesota/Midwest riders. Not worth traveling for.
Expected Race-Day Conditions:
Climate: Minnesota spring
Key Challenges: Variable weather, Humidity possible, Rolling terrain
60-90 minutes Z2 endurance. Keep legs moving, nothing hard. Optional: 3 × 1 min Z4 to keep neuromuscular system awake.
45-60 minutes Z2. Maybe 2 × 3 min G Spot if you're feeling restless. Don't go hard.
Rest day or 30-45 minutes very easy spin. The last hard workout was 4-5 days ago. Everything now is just maintenance.
45-60 minutes Z2. Include 3-5 × 30 seconds Z5-Z6 (openers to keep legs sharp). Last real ride before race.
Travel day (if traveling) or rest day. Optional 30-minute easy spin if legs feel heavy.
30-45 minutes Z2 with 3 × 1 min Z4 openers. Course preview if racing Sunday. No heroics.
20-30 minutes very easy spin or complete rest. Do what's worked for you previously.
Tire Setup (Minnesota rolling gravel):
Reviewed Picks for This Course:
Top tire pick: Specialized Pathfinder Pro 38mm ($54.99) — See full analysis →
Climate Gear (Minnesota spring):
Drivetrain: Chain clean and lubed. Shifting smooth across all gears. No chain slip under power.
Tires: Tubeless sealant fresh. Tire pressure set for race conditions. Check for cuts, sidewall damage.
Cockpit: Computer charged and mounted. Bottles/cages secure. Bento box organized.
Wheels: Thru-axles tight. No spoke issues. Hubs spin smoothly.
Don't: Install new chain race week. Change tire pressure drastically. Add new untested equipment.
Essentials: Spare tube (even if tubeless), tire plugs, CO2 cartridges (2-3) or mini pump, multi-tool with chain breaker, quick link, tire levers.
Nutrition: Gels, bars, chews—whatever you practiced with. Bottle with sports drink pre-mixed. Extra water bottle.
Other: Sunscreen, chamois cream, arm warmers/vest, rain jacket (if forecast), extra base layer.
Race essentials: Bib number and pins, race chip, ID and emergency contact info.
Spring Valley Wilder 100 Start Time: 8:00 a.m..
Wake up. Coffee if you normally drink it (not the time to change habits). Breakfast: 100-150g carbs, minimal fat, minimal fiber. Oatmeal with banana and honey, bagel with jam, or white rice with a pinch of salt.
Start sipping sports drink. Begin hydrating and topping off fuel. Apply chamois cream and sunscreen.
Arrive at start area. Check in, use porta-potty. Get your head right.
Light warmup ride: 10-15 minutes easy spinning. Wake up the legs.
Final gear check: bottles filled and secured, nutrition in pockets, tire pressure verified, drivetrain sounds good. Run through your performance statements mentally.
Openers near the start: 2-3 x 30 seconds at race effort with easy spinning between. Gets HR up, legs awake, reminds body what fast feels like.
Roll to start line. Find your position. Deep breath.
6-2-7 breathing if anxious. You're ready. Trust your training.
Your Fueling Math (102 miles): At ~11mph, expect ~9.3 hours on course. Lower intensity — fat oxidation increasing — target 50-70g carbs/hour (463-649g total, or 18-25 gels).
Carb targets scale with duration: shorter races burn more carbs per hour at race intensity, while ultra-distance events shift toward fat oxidation and GI tolerance becomes the limiter (Jeukendrup 2014, van Loon et al.).
Enter your details for a complete race fueling plan — carbs, hydration, sodium, and an hour-by-hour strategy.
Your numbers are the easy part.
Hitting them at race intensity is a trained skill — gut training over 4-6 weeks, bottle logistics, heat adjustments when the plan meets the weather. The custom training plan builds your fueling protocol into the actual training weeks, so race day is a rehearsal, not an experiment.
BUILD MY PLAN — FUELING INCLUDEDGet race-day tips in your inbox
What Riders Say About Conditions: Weather extremes define this race, from 2021's brutal 94°F heat that caused half the registered field to skip, to historical variance "from the 30s to the 80s, cold rain to hot sun." Gerasimos G.
Plan your fueling around these conditions — heat and humidity increase fluid and sodium demands significantly.
Aid Stations: None advertised; organizer defines the race as self-supported and prohibits hand-up support
2-3g carbs/kg bodyweight. Low fat, low fiber. Familiar foods only. 500ml water with meal.
One gel (24g carbs) with 200ml water. Tops off blood glucose.
Focus on pacing, positioning, settling in. Sip on drink. Heart rate is spiking, gut blood flow is reduced.
First gel or equivalent (24g carbs). Start your fueling clock. Hydrate consistently.
Consume carbs consistently by the clock. Target rate depends on race duration: 80-100g/hr for races under 4 hours, 60-80g/hr for 4-8 hour events, 50-70g/hr for 8-12 hours, and 40-60g/hr for ultra events (12+ hours). At lower intensities fat becomes your primary fuel and GI tolerance is the limiter. Set a timer. Your brain will be stupid. It will forget to eat.
Practice eating real food on easy rides. Start with 40-50g carbs per hour, mostly solid. Build tolerance gradually. SGLT1 transporters can double in 2 weeks of consistent gut training (GSSI).
Increase toward your race-day target rate. Mix of liquids and solids. Practice eating at tempo pace. Your gut adapts to what you train it for.
Hit your race-day target rate (see duration-scaled targets in your prep kit). Race nutrition only (gels, drink, bars you'll use on race day). Practice at race pace. For ultra events (12+ hours), include savory and mixed-macro foods alongside gels.
Stick with what worked in training. No new products. Trust your gut (literally).
Known Suffering Zones:
Budget Planning:
Entry Fee: ~$35
Cost of Trip: Moderate (3/5)
Nearest Airport: Rochester (RST) 45 minutes
Rochester (RST) 45 minutes
Spring Valley has good lodging options.
2026: Friday at Bluff Brothers Brewing or race morning at the Methodist Church Museum
Start at Methodist Church Museum; finish at Spring Valley Willow Park
Spring Valley has full dining options. Stock nutrition.
Spin in Z1 after crossing the finish line. Let heart rate drop gradually. Stopping abruptly causes blood to pool in your legs.
20-30g protein, 60-100g carbs, 500-750ml fluid with electrolytes. Chocolate milk, protein shake with banana, or whatever the finish line has.
You lost 1-4 liters of fluid. Drink 500-1000ml within the first hour. Add electrolytes. If pee is dark yellow by evening, keep drinking.
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