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    Stage Race · Fueling GuideUpdated Sep 2026

    Swiss Epic — Fueling Guide

    A five-day pairs-format Alpine MTB stage race — high-altitude singletrack, glacier valleys and Grisons cantons stitched into one week.

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    Fueling challenges & strategy

    General, evidence-based guidance. Numbers should always be personalized to sweat rate, body mass, fitness and weather.

    Carbohydrate strategy per stage

    60–90 g/hr of mixed-source (glucose + fructose) carbohydrate per stage for most amateur riders; trained guts can push to 90–110 g/hr on shorter stages. On the biggest climbing days at altitude, drop to 60–80 g/hr — pushing sea-level volumes above 8,200 ft triggers nausea.

    Hydration

    17–34 fl oz/hr baseline per stage, biased higher in dry Alpine air. Track daily body-mass at the same time each morning (weigh before breakfast) to catch cumulative dehydration. A 1 % daily deficit becomes a 4–5 % deficit by Day 5 if untreated.

    Sodium

    500–1,000 mg/L of fluid, tuned to sweat testing. Long Alpine days can outrun a cautious sodium plan — cumulative loss over 5 stages is the classic cause of late-week cramping and cognitive fog. Salt caps in a jersey pocket let you dose independently of drink-mix flavour fatigue.

    Caffeine rotation

    3–6 mg/kg per stage, split pre-start and mid-race. Rotate lower-dose days (Days 2 and 4) to preserve responsiveness for the queen stages. Skip caffeine entirely for one 24-hour window mid-week if the schedule allows — the response comes back sharper for the final stages.

    Aid station strategy

    Every stop is a bottle swap first, calorie top-up second. Pre-mix bottles the night before and label them by stage-hour. Epic Series aid stations typically stock water, sports drink, bananas, cola and basic snacks — bring your own gels and preferred products; do not trust brand availability to match your gut.

    Pre-race breakfast (each morning)

    1–4 g/kg carbohydrate 2–4 hours before each stage, from rehearsed low-fibre, low-fat foods. Rotate 2–3 breakfast options across 5 mornings to prevent flavour fatigue. Race village kitchens open early — confirm timing on Day 1.

    During-race execution

    Fuel by the clock, not by feel. Altitude, cold, technical singletrack and pairs-format concentration all suppress hunger cues. Set a 20-minute alarm on the head unit for every stage and log every intake to catch drift before it becomes deficit.

    Recovery between stages

    Within 60 minutes of every finish: 1.0–1.2 g/kg carbohydrate, 0.3 g/kg protein and 150 % fluid replacement with sodium. Dinner: 2–3 g/kg CHO. Bedtime snack: 30–50 g CHO if the day was long. Recovery on Day 1 shapes Day 5 — treat every finish as a full nutrition transaction, not a spectator moment.

    Fueling timeline by phase

    Grams and millilitres per hour for each phase of the race. Personalize to your sweat rate, body mass and conditions.

    Swiss Epic · 5-stage arc for a mid-pack amateur team

    Race-week arrival & pre-Stage 1 load (T-3 days)

    Race village (Davos / Lenzerheide / etc.)·Arrival to Day 1 morning

    Carbs
    8–10 g/kg body mass/day carb load
    Fluids
    101–135 fl oz/day with sodium
    Sodium
    500–1,000 mg/L

    Focus: Sleep priority, low-fibre carb load, familiar foods only. Recon Stage 1 finish area if possible. Rehearse aid-station handoffs with your partner on a short recon ride.

    Stage 1 — settling in

    Typically 43–56 mi, 2,000–9,840 ft of climbing·4–6 hours

    Carbs
    70–90 g/hr
    Fluids
    20–30 fl oz/hr
    Sodium
    600–900 mg/L

    Caffeine: 100–200 mg pre-start, 100 mg mid-race

    Focus: Ride conservatively. Do NOT chase the leaders. Aim for high zone-2 heart rate for both riders. Practise the pairs-format aid stop discipline — 2 minutes max, both riders eat, both restart together.

    Stage 2 — first altitude stage (usually)

    Typically 37–50 mi, 2,500–11,480 ft of climbing·4–7 hours

    Carbs
    60–80 g/hr (altitude-adjusted)
    Fluids
    24–34 fl oz/hr
    Sodium
    700–1,000 mg/L

    Caffeine: 100 mg pre-start, low-dose day

    Focus: First high-altitude stage. Drop carb intake above 8,200 ft by 10–20 g/hr. Force fluids on descents — dry Alpine air suppresses thirst. Confirm cumulative body mass loss <1 % before dinner.

    Stage 3 — queen stage (usually)

    Typically 50–62 mi, 3,000–13,120 ft of climbing·5–8 hours

    Carbs
    70–90 g/hr on climbs, 60–80 g/hr at altitude
    Fluids
    27–34 fl oz/hr
    Sodium
    800–1,000 mg/L

    Caffeine: 150–200 mg pre-start, 100 mg pre-final climb

    Focus: The longest and hardest stage of the week. Pre-load with a bigger breakfast (top of range 3–4 g/kg CHO). Pack extra gels + one solid item in your jersey/pack. Pairs-format discipline is critical — no surge attempts here.

    Stage 4 — recovery-active stage

    Typically 37–47 mi, 2,000–9,190 ft of climbing·4–6 hours

    Carbs
    70–90 g/hr
    Fluids
    20–30 fl oz/hr
    Sodium
    600–900 mg/L

    Caffeine: Rotation low-dose day (100 mg pre-start only)

    Focus: Manage cumulative fatigue. Legs feel worse than the numbers suggest by Day 4. Focus on hydration and steady pace — do not chase overall positions here unless you and your partner are both in fresh form.

    Stage 5 — finale

    Typically 40–53 mi, 2,500–11,480 ft of climbing·4–7 hours

    Carbs
    70–90 g/hr
    Fluids
    24–34 fl oz/hr
    Sodium
    700–1,000 mg/L

    Caffeine: 150–250 mg for the final stage — save the biggest dose here

    Focus: The finish line stage. Emotional pacing is a real risk — riders over-cook the first hour to 'seal' a GC position. Trust the routine: alarm-based fueling, pairs discipline, ride to power, celebrate at the finish line, not at km 30.

    Recovery (T+0 to T+72 h post-Stage 5)

    Race village finish + travel home·First 72 h after crossing the final finish line

    Carbs
    1.0–1.2 g/kg within 60 min, then 8–10 g/kg over 24 h, tapering
    Fluids
    150 % of estimated body-mass loss with sodium
    Sodium
    3,000–5,000 mg cumulative day 1 post-race

    Focus: Race-village pasta party + real Swiss meal (Rösti, Älplermagronen, Zopf). Sleep priority for 2–3 nights. Ferritin, vitamin D and iron check 7–10 days after, not immediately. Recovery week: easy spins only for 5–7 days.

    Numbers assume a 5–7 hour daily amateur team in typical mid-August Grisons conditions (50–59 °F mornings, 68–82 °F valleys, 41–50 °F on 2,500+ m passes). Faster teams (4–5 hours/stage) can hold higher carb intake but must protect between-stage recovery. Slower teams (7+ hours/stage) should bias to more real food and shift caffeine timing later in each stage. Individual sweat rate can shift fluid and sodium targets by ±30 % — personalize with a pre-race sweat test in similar Alpine conditions.

    Aid stations & crew strategy

    Every aid station along the Swiss Epic course, with crew access, drop-bag rules and the fueling action to execute at each stop.

    • Typical Stage aid — early climb

      Mile ≈ km 20–25 (varies by stage)

      Quick bottle swap and one gel. < 90 seconds. Restart with your partner.

    • Typical Stage aid — mid-race

      Mile ≈ km 35–50 (varies by stage)

      Full bottle reset, one solid item, layer decision if weather is shifting. 2–4 minute stop max. Both riders eat before restarting.

    • Typical Stage aid — final quarter

      Mile ≈ km 55–70 (varies by stage)

      The last aid before the finish. Force one bottle + one gel even if you feel fine. This is where under-fueled teams lose the most time in the final hour.

    What most riders get wrong

    • 01

      Racing Stage 1 like a one-day event

      Sprint-race intake volumes (>90 g/hr indefinitely) and race-pace effort on Stage 1 wreck the gut and legs before Stage 3. Stage racing rewards conservative Days 1–2, honest Day 3 and controlled Days 4–5 — not a hero performance on Day 1.

    • 02

      Under-drinking at altitude

      Dry Alpine air masks respiratory water loss. Cumulative dehydration wrecks late-week performance. A 1 % daily body-mass deficit compounds to 4–5 % by Day 5 — enough to drop your team out of contention or into a DNF.

    • 03

      Skipping recovery on shorter stages

      Even a 4-hour 'easy' stage needs full recovery nutrition. Cumulative debt is what breaks stage racers, not any single hard day. Treat every finish line as a nutrition transaction: 1.0–1.2 g/kg CHO + 0.3 g/kg protein + 150 % fluid within 60 minutes.

    • 04

      Sea-level fueling volumes above 8,200 ft

      Altitude slows gastric emptying by 15–25 %. Pushing lowland intake late in a high-altitude stage often triggers nausea. Drop to 60–80 g/hr above 8,200 ft — the total daily intake matters more than the peak hour.

    • 05

      Poor layer strategy

      Being cold on Alpine descents burns glycogen (shivering costs 300–500 kcal/hr) and suppresses fueling. Pack real layers, not just an emergency vest. Layer down before climbs, layer up before descents — do not wait until you're cold.

    • 06

      New products on race day

      Altitude, cold, technical singletrack and pairs-format stress amplify GI risk. Race only what you have trained on rides of 5+ hours over multiple weekends. Bring your own gels and drink mix — the race village stocks basics but not necessarily your brand.

    • 07

      Ignoring your partner's fueling

      In pairs format, your partner's bonk becomes your problem. Coordinate intake and aid stops — one rider forgetting to eat costs both riders 15+ minutes on a climb. Discuss the fueling plan the night before every stage.

    • 08

      Under-planning the transfer between host towns

      Stages start and finish in different towns. Riders who arrive at Day 2's start venue without their spare bottles, breakfast rotation or race kit have already lost the day. Pack a stage-day bag the night before, every night.

    • 09

      Chasing GC positions in the final hour of Stage 5

      Emotional pacing on the last stage is a common team-killer. Riders over-cook the first hour to 'seal' a GC position and blow up in the last 19 mi. Trust the numbers, trust the routine, cross the line together.

    Download the free printable race-day fueling checklist for Swiss Epic

    A practical race-week checklist: carbs, hydration, sodium, caffeine and race-day supplies — print it or keep it on your phone.

    Related FuelQ resources

    Free calculators, checklists and articles to help you personalize your Swiss Epic plan.

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    Frequently asked questions

    Generic fueling plans don't work for Swiss Epic.

    Every athlete is different. FTP, finish time, body weight, sweat rate, weather, nutrition preferences and race goals all change what you should eat and drink.

    FuelQ Pro builds a personalized race fueling strategy tuned to your ride — carbohydrate, hydration, sodium, caffeine and recovery, mapped to the course.

    Start with the free checklist

    A Race Fueling Plan gives you a personalized strategy for this event. The free checklist helps you prepare the basics first: race-week setup, 48-hour prep, race morning, hydration, sodium, caffeine, aid stations, and backup calories.