8 Things You Should Know About USMLE Step 1

Most Step 1 guides walk through content review and study schedules. This one doesn't. These are eight things about the exam itself, its rules, its history, and how it fits into the rest of your training, that are easy to miss or get slightly wrong, especially if you are relying on advice written before 2022.

1. It's been pass/fail since 2022, and that changes what you should optimize for

Step 1 has reported pass/fail, with no three-digit score, since January 26, 2022. If you are early in medical school, this is probably the first thing anyone told you about the exam. What is easier to miss is what it actually changes: since there is no score to maximize past the passing standard, the marginal value of squeezing out extra points disappears once you are comfortably above it. Time spent chasing a higher score you will never see is time not spent building the foundation you will lean on for Step 2 CK, which is still scored.

2. You don't have to pass it before Step 2 CK

There is no USMLE requirement that you pass Step 1 before attempting Step 2 CK. The two can be taken in either order. Almost everyone still takes Step 1 first, generally at the end of their second year, since it lines up with when foundational science coursework wraps up, but that is convention, not a rule. Step 3 is the one with an actual prerequisite: you must pass both Step 1 and Step 2 CK before you are eligible for it.

Individual medical schools can still set their own internal policies about exam order and timing, so check your own school's requirements before assuming you have full flexibility.

3. The block format changed for 2026 test takers

As of May 14, 2026, Step 1 moved from seven 60-minute blocks to fourteen 30-minute blocks. The total question count (up to 280), the overall 8-hour testing day, and the scoring itself did not change, only the rhythm: more, shorter blocks, with slightly more total break time and a shorter optional tutorial. Our Step 1 exam dates guide covers the full before-and-after comparison along with registration and scheduling.

4. You only get four attempts, and the timing rules are strict

You get a maximum of four attempts at Step 1. If you have not passed after your fourth attempt, including any incomplete attempts, you become permanently ineligible to retake it. The timing between attempts is also restricted, not just the total count:

• You cannot take the same Step more than three times within any rolling 12-month window.
• A fourth attempt must come at least 12 months after your first attempt, and at least 6 months after your most recent attempt.
• An incomplete attempt, one you start but do not finish, still counts as an attempt.

5. Pass/fail doesn't mean invisible: programs still see your attempt history

Pass/fail removed the score, not the record. Your USMLE transcript still shows every attempt at every Step exam, including how many times you sat for Step 1 and whether any of those attempts were failures, and this transcript is part of what residency programs can see through ERAS. A single pass on the first attempt and a pass on a third attempt both show up as "pass," but the attempt history behind that pass is not hidden. This is one of the more common misunderstandings about what pass/fail actually protects you from: it removes score comparison between applicants, not visibility into your testing history.

6. Step 2 CK carries more weight than it used to

With Step 1 no longer producing a comparable score, many residency programs have leaned more heavily on Step 2 CK as their main standardized, numeric data point for screening applicants, alongside clerkship grades, letters, and research. This shift has been widely reported across residency program director surveys since the 2022 change. The practical takeaway is not that Step 1 does not matter, passing it is still required and still shapes your timeline, but that Step 2 CK is now carrying more of the weight Step 1 used to carry on its own.

If you have not started Step 2 CK prep yet, our Step 2 CK study guide covers what changes once clerkships are the setting instead of preclinical coursework.

7. There's no single correct dedicated period length

Ask around and you will hear anywhere from 4 to 10 weeks described as the "right" dedicated period for Step 1. Both are right, for different people. The number that matters is not a universal week count, it is how much content review and how many timed practice questions you need to get through given your starting point, your baseline practice scores, and how much of the curriculum you covered well the first time. A shorter, focused period with strong daily consistency regularly outperforms a longer period spent unfocused. If you are building a plan, our Step 1 study guide includes a sample schedule you can compress or stretch to fit your own timeline.

8. You have to be enrolled in, or a graduate of, an eligible medical school

Step 1 is not open to the general public. To be eligible, you must be officially enrolled in, or a graduate of, an LCME-accredited MD program or a COCA-accredited DO program in the US or Canada, or, for international medical graduates, enrolled in or a graduate of a medical school listed in the World Directory of Medical Schools and meet ECFMG eligibility requirements. You cannot self-study and register independently of a medical school affiliation.

Frequently asked questions

Does Step 1 still matter if it's pass/fail?

Yes. You still have to pass it to progress, your attempt history is still visible to residency programs, and how comfortably you pass can still shape decisions like away rotations or specialty choice, even without a score attached.

Can I take Step 2 CK before Step 1?

There is no USMLE rule against it, though almost no one does, and your own medical school may have its own policy requiring a specific order. Confirm with your school before assuming you have flexibility here.

How many times can I take Step 1?

Four attempts total, with restrictions on timing between them: no more than three attempts in any 12-month period, and a fourth attempt only after at least 12 months from your first attempt and 6 months from your most recent one.

Do residency programs see how many times I took Step 1?

Yes. Your USMLE transcript reports every attempt, and this is visible to programs through ERAS, even though the pass itself does not come with a score.

Sources and disclaimers

This guide reflects publicly available USMLE program information as of this writing. Eligibility, attempt limits, exam format and other policies are set by the NBME and FSMB and can change without notice, so confirm current details directly on USMLE.org before making plans. MedPrep Institute is not affiliated with or endorsed by NBME, FSMB, USMLE, ECFMG or any other company named here. All trademarks belong to their owners.