Lauren HollandBy Lauren Holland

Updated November 2026

A good first half marathon time is one that you finished healthy, ran with steady effort, and that fits your current fitness. For most first-timers, that lands somewhere between 2:15 and 2:45, with many beginners finishing a bit slower than they hoped. If you are unsure, aim to finish strong and let your first race set the baseline for future goals.

That range is a rough guide, not a rule. Your personal number depends on how long you have been running, how much weekly mileage you can handle, the course, the weather and how you pace yourself on race day. Two runners with identical finish times can have very different experiences, and both can be excellent results.

Shopping for one? See our guide: First Ever Marathon Time: 3 Best Guides and Pace Tools for First-Timers.

Why There Is No Single Right Answer

Half marathon times vary widely because the field includes people who have run for decades and people who started running last spring. A first-timer who has been jogging three days a week for a year is in a different place than someone who came from a 5K background and trained consistently for four months. Comparing yourself to a single benchmark often leads to frustration rather than useful information.

Instead, think in terms of pace. Pace is more useful than total time because it tells you how hard you are running and lets you adjust during the race. Once you know a realistic pace, you can convert it into a finish time using the distance of 13.1 miles.

Factors That Shape Your Realistic Time

Several variables determine what a reasonable goal looks like for you:

  • Current running base. If you can comfortably run 20 to 25 miles per week before training starts, you have more room to push your pace. If you are building from 10 miles per week, a conservative goal is wiser.
  • Training history. Runners who have completed a 10K or 15K recently can usually estimate a half marathon pace by adding roughly 30 to 60 seconds per mile to their recent race pace, depending on experience.
  • Terrain and elevation. Hilly courses and trail sections add meaningful time. Compare your target against the course profile, not a flat-course estimate.
  • Weather. Heat and humidity can slow even well-trained runners. Many first-timers see a noticeable drop in pace on warm race mornings.
  • Race-day strategy. Starting too fast is one of the most common mistakes. It often leads to a hard finish or a walk break in the second half.

How to Set Your Own Good Time

Use this approach to find a goal that is ambitious but achievable:

  1. Note your best recent race time at any distance from 5K to 10K, or estimate your easy-run pace if you have no race results.
  2. Use a race-time calculator, which many running sites and coaching apps provide, to estimate a half marathon finish from that effort.
  3. Subtract a little time to account for it being your first half and the distance being new.
  4. Set three goals: a finish goal (the most important), a stretch goal, and a conservative goal you are confident you can hit on a good day.
  5. Recheck your target during training. Long runs at a steady effort are the best real-time indicator of what you can sustain.

Practical Tips for a Strong First Half

  • Run your long runs at a conversational pace, and only pick up the effort near the end of a run if you feel good.
  • Practice your race-day fueling and hydration during long training runs, not for the first time on race day.
  • Start the race slower than you think you should. Holding back in the first three miles usually pays off later.
  • Run a few miles at goal pace during training to build familiarity with how it feels.
  • Plan for a walk break if needed. Taking short walk breaks through aid stations is a legitimate strategy and does not disqualify you from a good finish.

If you have a health condition, a history of injury, or symptoms during training, check with a doctor or a qualified running coach before setting a demanding time goal.

What We’d Use

A basic GPS running watch makes pacing easier, because it gives you real-time splits and lets you hold a steady effort without guessing. Look for a model that shows current pace and lap data clearly. View on Amazon

A hydration belt or handheld bottle helps you practice drinking during long runs so you are not experimenting on race day. View on Amazon

A pace band or printed race-day card with mile splits can keep you on target without checking your watch every few minutes. View on Amazon

Is finishing a half marathon in under two hours realistic for a beginner?

It is possible for runners with a strong running background, but it is uncommon for a true first-timer. Most beginners who finish under two hours already run regularly and have raced shorter distances at a fast pace.

Should I aim for a time or just to finish?

For a first half, finishing healthy and enjoying the process is a solid primary goal. You can still set a time target as a secondary motivator, but keep the finish as the priority.

How much does the course affect my time?

Significantly. Hills, turns, crowded starts and heat can each add minutes. Compare your goal to the course profile and adjust your expectations accordingly.

Can I improve my time in a second half marathon?

Yes. Most runners improve by refining pacing, building a larger weekly base and getting more comfortable with race-day fueling. Each subsequent race gives you better data on your true capability.

Where can I find a plan to build toward a goal time?

Look for a beginner plan that includes easy runs, one long run per week and a clear taper. You can read about structured options in Average First Half Marathon Time: What Most Beginners Run to compare what other first-timers typically achieve.

Ready to choose one?

Lauren Holland

About Lauren Holland

Lauren Holland is part of our editorial team and reviews and edits our marathon & half-marathon guides, checking product details against manufacturer specifications and owner feedback.