12-Week Training Timeline • Race-Day Checklists • Packing List
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“Flagstaff is pretty nice in August. But at 7,000 ft **sun screen will be key**. While on course you may experience our **infamous monsoons**, so maybe a light rain jacket but often temperatures are pleasant and rain may feel good.”
— From event organizer UNKNOWN
“**Gravel bike or 29'er mtb. Ride what you are comfortable with!** If you are on a gravel bike I would suggest **nothing less than 700-40c**”
— From event organizer UNKNOWN
Race-Specific Training Focus:
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.
Altitude Training Mountain 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.
Flagstaff altitude (7000+ feet) requires adaptation.
Arizona mountains require sustained effort.
Limited organization requires self-sufficiency.
Arizona mountain gravel challenge.
Bear Howard Gravel is a local event in Arizona—mountain terrain with significant elevation at altitude. The Arizona mountains are scenic, but the small local field and limited organization keep it in Tier 4.
The 100-mile delivers "just over 6k of total elevation gain" including the "challenging out and back climb up Saddle Mountain" with a $250 Strava prize. Organizers get feedback that the course is "epic and certainly no walk in the park." 60-mile riders face 2,800 feet of climbing west of the peaks.
August start times are staggered from 6:30am for the 100-mile through 8:15am for the 30-mile, getting riders moving before Flagstaff heat peaks. High-altitude location moderates summer temperatures compared to lower Arizona deserts. Morning starts avoid afternoon thunderstorm potential.
Organizers warn the 100-mile "will test your bike handling as well as your fitness" with "a few sections of technical gravel." The course includes "a cool section of single track" and is "mostly gravel" with minimal asphalt. They emphasize it's "challenging in its features" beyond just distance.
Local Arizona event.
A solid local Arizona mountain gravel race. Worth it for Arizona/Southwest riders. Not worth traveling for.
Expected Race-Day Conditions:
Climate: Arizona mountain summer
Key Challenges: Variable weather, Generally mild, Mountainous 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 (Arizona mountain gravel):
Reviewed Picks for This Course:
Top tire pick: Specialized Pathfinder Pro 42mm ($54.99) — See full analysis →
Climate Gear (Arizona mountain summer):
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.
Bear Howard Gravel Start Time: 6:15 am at. Set your alarm for 3:15 AM.
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 (60 miles): At ~12mph, expect ~5.0 hours on course. Endurance pace — target 60-80g carbs/hour (300-400g total, or 12-16 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: August start times are staggered from 6:30am for the 100-mile through 8:15am for the 30-mile, getting riders moving before Flagstaff heat peaks. High-altitude location moderates summer temperatures compared to lower Arizona deserts.
Plan your fueling around these conditions — heat and humidity increase fluid and sodium demands significantly.
Aid Stations: Multiple aid stations
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: ~$75
Cost of Trip: Budget-friendly (2/5)
Nearest Airport: Flagstaff (FLG) 30 minutes
Flagstaff (FLG) 30 minutes
Flagstaff has good lodging options.
Day of typically
At start/finish
Flagstaff 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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