Too close to call on this goal. Boston and Marine Corps score within 0.5 of each other — pick on the date, the travel, or which one you actually want to run.
| A fast time / Boston | Marine Corps | flatter course, cooler typical morning |
| A first marathon | Marine Corps | more forgiving on debut day |
| Easiest entry | Marine Corps | less lottery / qualifier friction |
| Crowd & support | Boston | bigger field, more on-course energy |
| Lower trip cost | Marine Corps | cheaper all-in from South Florida |
Race-morning figures are 10-year history 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) | Boston Marathon | Marine Corps Marathon |
|---|---|---|
| Green Score (overall) | 7.1 | 8.4 |
| First-timer score | 8.0 | 8.8 |
| Terrain | 6.9 | 7.9 |
| Climate | 10.0 | 10.0 |
| Entry | 2.0 | 7.1 |
| Travel | 5.0 | 7.0 |
| Field & support | 10.0 | 9.5 |
| Distance | marathon | marathon |
| Date | April 19, 2027 | October 25, 2026 |
| Location | Hopkinton, MA | Arlington, VA |
| Typical race-day weather (normal) | 49°F / dew 41°F | 48°F / dew 42°F |
| Elevation gain | 814 ft | 656 ft |
| Field size | 30,000 | 18,000 |
| Entry | qualifier | lottery |
| Entry fee | $255 | $210 |
| Boston qualifier course | No | Yes |
Sign in and connect Strava to see your projected finish time and qualifying odds at both races — heat- and course-adjusted to race day.