United Airlines NYC, on this goal. It has the better race morning — and against Key West that is the difference that actually shows up in your finish time.
Build the plan →| A fast time / Boston | United Airlines NYC | flatter course, cooler typical morning |
| A first marathon | United Airlines NYC | more forgiving on debut day |
| Easiest entry | Key West | less lottery / qualifier friction |
| Crowd & support | United Airlines NYC | bigger field, more on-course energy |
| Lower trip cost | Key West | cheaper all-in from South Florida |
Race-morning figures are 30-year normal normals, not forecasts. Cost and travel are estimated from South Florida; your own origin may flip the trip-cost row. Full method on the methodology page.
| Score (10 = easiest) | Key West Half Marathon | United Airlines NYC Half |
|---|---|---|
| Green Score (overall) | 8.0 | 7.3 |
| First-timer score | 7.7 | 7.9 |
| Terrain | 10.0 | 6.3 |
| Climate | 5.0 | 10.0 |
| Entry | 10.0 | 5.2 |
| Travel | 9.0 | 5.0 |
| Field & support | 6.0 | 9.0 |
| Distance | half marathon | half marathon |
| Date | January 17, 2027 | March 14, 2027 |
| Location | Key West, FL | New York, NY |
| Typical race-day weather (normal) | 70°F / dew 62°F | 40°F / dew 28°F |
| Elevation gain | 16 ft | 574 ft |
| Field size | 1,800 | 25,000 |
| Entry | open | lottery |
| Entry fee | $110 | $150 |
| Boston qualifier course | No | No |
Sign in and connect Strava to see your projected finish time and qualifying odds at both races — heat- and course-adjusted to race day.