RAGBRAI 2025 Training Tips for Indoor Riders

RAGBRAI 2025 is already in the rearview mirror, and as of July 2026 the next ride calendar has moved on. But the useful part of “RAGBRAI 2025 training tips” was never the exact year. It was the problem underneath it: can a rider who is stuck indoors, short on space, and not shopping for a premium trainer still build enough endurance to handle a week across Iowa?

Yes, if the indoor plan is organized around weekly saddle time rather than gadget features. Coach David Ertl’s official RAGBRAI training framework starts around 20 miles per week in February, builds toward roughly 120 to 140 miles per week before the taper, and uses a 65-mile training ride as the practical confidence marker: “If you can do 65 miles in training, you can do 85 on RAGBRAI because you have all day.” [1]

That is the spine of an indoor plan. The trainer, spin bike, fan, mat, and strength work all have one job: help you accumulate repeatable riding time, recover, and come back again.

Start With The Weekly Mileage, Not The Device

Outdoor RAGBRAI plans usually assume you can ride after work, find quiet roads, and spend weekends building long miles. Indoor riders need the same progression, but the week may look less romantic: 35 minutes before breakfast, 50 minutes after the kids are asleep, a longer weekend trainer ride with a towel over the handlebars and a fan pointed at your chest.

The translation is simple, though not always easy. If the official plan asks for about 20 miles in an early week, the indoor rider needs two or three short rides that add up to that total. When the plan climbs later toward 120 to 140 miles in a week, the indoor rider needs more frequent sessions, one longer ride, and at least a few opportunities to practice sitting on the bike when boredom and pressure points start talking louder than the legs. [1]

Mileage is an imperfect indoor measure because a wind trainer, a smart trainer, and a spin bike may estimate distance differently. Still, the weekly target matters because it keeps the plan from becoming random workouts. If your setup measures time more honestly than miles, use time plus perceived effort consistently, then keep one rule: the workload should rise gradually toward the same kind of weekly volume the RAGBRAI plan expects.

A Small Indoor Setup Can Be Enough

The lowest-cost useful setup is not a fantasy. One RAGBRAI rider documented using a $35 wind trainer bought through Facebook Marketplace as part of training for the ride. The same rider also described a method built around weekly mileage goals instead of rigid daily perfection, while balancing full-time work and parenting. [2]

That case is worth more than a polished gear wall because it changes the starting assumption. A basic trainer does not make indoor riding luxurious. It can be loud, sweaty, and boring. But it lets you ride your actual bike in the same corner of the room, and that is specific enough to build saddle tolerance, pedaling rhythm, and weekly volume.

Those bands should be treated as decision ranges, not price guarantees. Current trainer and spin-bike prices move, and used-market availability depends on location. Before buying anything, price-check the specific models available now. The practical question is not which tier is impressive; it is whether the setup removes enough friction that you will ride several times a week.

A wind trainer gives resistance through a fan mechanism and usually gets harder as you pedal faster. A basic fluid trainer often feels smoother and may be quieter. A smart trainer can control resistance for structured sessions and virtual routes. A spin bike can work if it fits you well enough and lets you stay seated for long blocks, but it will not test your actual bike position unless the fit is very close.

For RAGBRAI, the boring accessories matter more than the glamorous ones: a strong fan, a stable front wheel block if needed, a towel, water within reach, and a place where sweat will not ruin the floor. Indoor heat buildup can turn an easy ride into a miserable one. If a better fan makes you complete the third ride of the week, it is more valuable than a screen full of unused metrics.

Build The Week Around Repeatable Sessions

The rider case from Steve and Lori Kat is useful because the plan was not built around a perfect daily calendar. In the first year, the rider’s longest training ride was 40 miles and they finished RAGBRAI; in the second year, the longest training ride reached 100 miles. The method was weekly mileage targets, adjusted around real life. [2]

That does not mean a first-timer should aim low. It means the training unit is the week. If Tuesday collapses because work runs late, Wednesday and Saturday can still carry the plan. If weather opens a window for an outdoor ride, take it. If it does not, the indoor bike is not a consolation prize; it is the way the week still gets done.

A practical indoor week can be shaped like this:

• One longer ride that gradually extends toward the 65-mile confidence point.
• Two or three shorter endurance rides that help meet the weekly total.
• One light recovery spin or rest day after the hardest session.
• One or two short strength sessions that support climbing, posture, and repeated days.

Early in the ramp, the longer ride might be modest. Later, it becomes the session that teaches you whether your shorts rub, whether your hands go numb, whether your low back fades, and whether your fueling routine works when you are bored and sweating indoors.

Treat Saddle Tolerance As Training, Not Aftercare

RAGBRAI training advice often talks about legs, but the official and first-timer guidance puts a lot of practical weight on the rest of the body: saddle sores, back pain, and shoulder fatigue are the problems that can end a day even when fitness is decent. [1][3]

Indoor riding is excellent for this because it removes excuses. You can change one variable at a time: saddle height, saddle tilt, shorts, chamois cream, hand position, fan placement, stem height, or how often you stand for a few pedal strokes. Outdoors, a nice route can distract you from a small fit problem until hour four. Indoors, discomfort announces itself early.

Use that feedback before the ride week. A saddle that feels wrong after 45 indoor minutes will not become kinder across several Iowa days. A pair of shorts that creates a hot spot during a trainer ride should not be saved for the event. A neck position that makes you shrug for an hour deserves attention while there is still time to adjust the bike or build upper-back endurance.

The best indoor comfort test is not heroic. Pick a growing long ride, keep the fan on, fuel as you would outside, and notice what fails first. Then change only one or two things before the next long session. The goal is not to create a laboratory. It is to avoid discovering preventable contact-point problems after the baggage truck has already left.

Use Strength Work Only Where It Helps The Ride

Coach Ertl’s training guidance includes upper-body and core work one to two times per week starting in winter, alongside the riding plan. [4] For an apartment rider, that does not require a garage gym. It requires a few movements that support the positions and stresses RAGBRAI actually creates.

A useful strength session can be short: two or three rounds, controlled reps, no need to chase soreness. If the next day’s ride suffers because the workout was too aggressive, the strength work has stopped supporting the plan. The bike mileage remains the main course.

For small spaces, resistance bands cover rows and face pulls. A sturdy step or low bench covers step-ups. Wall sits need only a wall. Planks and bird-dogs need floor space about the size of a yoga mat. Dumbbells are useful, but not required at the start.

Check Recovery Before The Final Stretch

Pork Belly Ventures gives first-timers a more road-shaped reality check: 20- to 30-mile rides three times per week, plus 50 to 60 miles on weekends, and a back-to-back long-ride test around July 4 to see whether the body can recover and repeat. [3]

Indoor riders can adapt that without pretending a trainer ride feels exactly like a rolling day outside. Near the final part of training, stack two meaningful rides on consecutive days. They do not need to be punishment rides. They need to answer a practical question: after one longer day, can you get back on the bike, sit comfortably, pedal steadily, and eat and drink enough to continue?

If the answer is no, the fix may not be more intensity. It may be better recovery food, an easier first day, a saddle adjustment, less ambitious strength work, or more gradual long-ride progression. RAGBRAI is a repeated-day event, so recovery is part of readiness, not a reward for finishing training.

Intervals Are Optional, Consistency Is Not

RAGBRAI’s advanced training tips include tools such as cadence changes, sweet-spot work, and VO2 max efforts that can be adapted to indoor trainers. [5] These can be useful if you are already meeting the weekly mileage ramp, recovering well, and staying comfortable on the bike.

For a first-time indoor rider, intervals should not crowd out the basics. A hard workout that replaces two steady rides may make the week look more athletic while making the actual RAGBRAI preparation worse. Add intensity like seasoning: a short cadence block during a midweek ride, a controlled harder segment on a smart trainer, or a few resistance changes on a spin bike. Then return to the weekly mileage plan.

A Readiness Standard That Fits A Real Home

For a future RAGBRAI, an indoor rider does not need to prove they own the best trainer in the building. A more useful standard is this: follow the weekly mileage ramp, build one long ride toward the 65-mile confidence point, test saddle and contact points early, add simple strength work once or twice a week, and use a back-to-back ride near the final stretch to confirm recovery.

Expensive equipment can make indoor training smoother and more entertaining. It cannot replace the repeated work of getting on the bike, staying comfortable, and coming back the next day. A used wind trainer in an apartment corner can still serve the plan if it helps you keep building the week.

References

1. 2025 Training Plan - RAGBRAI, RAGBRAI
2. My RAGBRAI Training Plan – What Actually Worked, Steve and Lori Kat
3. First-timers - Pork Belly Ventures, Pork Belly Ventures
4. Ready, Set, Train! RAGBRAI Training, RAGBRAI
5. RAGBRAI Training: Advanced Training Tips, RAGBRAI