
ZAGREB21
Zagreb, Croatia · Expected Sunday 28 March 2027Date to be confirmed
Difficulty Calculator
Adjusted Time
1:43:53
Time difference: -1.1 minutes compared to an average road half marathon.
Course Details
How hard is ZAGREB21?
On our difficulty model, ZAGREB21 plays about 1 minute faster than an average road half marathon for a 1:30 runner. It ranks #429 hardest of 634 half marathons we analyse, and #3 of 3 in Croatia. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at ZAGREB21?
Estimated finish times on this course versus the same effort on an average road half marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On ZAGREB21 | Difference |
|---|---|---|
| 1:30:00 | 1:28:42 | −01:18 |
| 1:45:00 | 1:43:53 | −01:07 |
| 2:00:00 | 1:59:04 | −00:56 |
| 2:15:00 | 2:14:16 | −00:44 |
| 2:30:00 | 2:29:28 | −00:32 |
| 2:45:00 | 2:44:42 | −00:18 |
| 3:00:00 | 2:59:55 | −00:05 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
ZAGREB21 2027 Course Analysis
ZAGREB21 is a half marathon held in Zagreb, Croatia. The next edition is expected on Sunday 28 March 2027, following the pattern of previous editions (the last Sunday of March). The organisers have not confirmed it yet. The course is run on road surface with 78m of total climbing, with its high point near 119m above sea level. For registration and full race details, visit the official ZAGREB21 website.
Climbing
At 78m of total climbing, it is flatter than 66% of the 634 half marathons we rate.
Looking for an easier marathon or a tougher challenge? You can also compare ZAGREB21 against other half marathons to find the right race for your goals.
Half marathons of similar difficulty
If ZAGREB21 fits your goal, these courses play out about the same on our difficulty model.