Chicagoland Spring Marathon
Chicagoland Spring Marathon race day weather
Comfortable temps
Mild 52°F temps at gun time mean comfortable early miles without overheating risk. Temperatures rising to 61°F through the course will gradually increase perceived effort in the second half. Light winds shouldn't be a major factor for pacing. Moderate humidity at 66% is worth noting for effort level, especially in later miles.
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Chicagoland Spring Marathon route and elevation
The Chicagoland Spring Marathon course has about 271 ft (83 m) of climbing and 271 ft (83 m) of descent, and finishes near the elevation it starts. It is flatter than 61% of the marathon courses racecast.io has mapped, measured by what the hills cost in time. It has no steep miles: no mile climbs more than 50 ft (15 m).
Biggest climbs
- Miles 23.4 to 25.9: climbs about 50 ft (16 m).
What the hills cost
- 3:30 on a flat course is about 3:30:40 here (40 seconds slower).
- 4:00 on a flat course is about 4:00:45 here (45 seconds slower).
- 4:30 on a flat course is about 4:30:50 here (50 seconds slower).
Hills only, priced mile by mile on the course map. The pace calculator above adds the race-day weather.
Even-effort splits for a 3:30, 4:00 or 4:30 finish
| Mile | Climb | Descent | 3:30 | 4:00 | 4:30 |
|---|---|---|---|---|---|
| 1 | 22 ft | 42 ft | 7:54 | 9:01 | 10:09 |
| 2 | 7 ft | 15 ft | 7:56 | 9:05 | 10:13 |
| 3 | 14 ft | 17 ft | 7:59 | 9:07 | 10:15 |
| 4 | 15 ft | 17 ft | 7:58 | 9:06 | 10:15 |
| 5 | 11 ft | 13 ft | 7:58 | 9:07 | 10:15 |
| 6 | 27 ft | 8 ft | 8:09 | 9:18 | 10:28 |
| 7 | 11 ft | 20 ft | 7:56 | 9:05 | 10:13 |
| 8 | 29 ft | 5 ft | 8:11 | 9:21 | 10:31 |
| 9 | 0 ft | 38 ft | 7:50 | 8:57 | 10:04 |
| 10 | 12 ft | 4 ft | 8:04 | 9:13 | 10:22 |
| 11 | 35 ft | 24 ft | 8:04 | 9:14 | 10:23 |
| 12 | 4 ft | 25 ft | 7:54 | 9:01 | 10:09 |
| 13 | 30 ft | 6 ft | 8:11 | 9:21 | 10:31 |
| 14 | 18 ft | 37 ft | 7:54 | 9:02 | 10:10 |
| 15 | 6 ft | 7 ft | 7:59 | 9:07 | 10:15 |
| 16 | 35 ft | 6 ft | 8:13 | 9:24 | 10:34 |
| 17 | 13 ft | 24 ft | 7:56 | 9:04 | 10:12 |
| 18 | 12 ft | 10 ft | 8:00 | 9:08 | 10:17 |
| 19 | 10 ft | 35 ft | 7:53 | 9:01 | 10:08 |
| 20 | 11 ft | 11 ft | 7:59 | 9:07 | 10:16 |
| 21 | 7 ft | 5 ft | 8:00 | 9:09 | 10:17 |
| 22 | 1 ft | 5 ft | 7:58 | 9:06 | 10:15 |
| 23 | 16 ft | 10 ft | 8:02 | 9:11 | 10:20 |
| 24 | 26 ft | 12 ft | 8:06 | 9:15 | 10:25 |
| 25 | 4 ft | 10 ft | 7:57 | 9:05 | 10:13 |
| 26 | 47 ft | 23 ft | 8:11 | 9:21 | 10:31 |
| Last 0.2 | 3 ft | 0 ft | 1:48 | 2:04 | 2:19 |
Explore the Chicagoland Spring Marathon course with the weather and your pace along the route, or compare it with other races.
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About the Chicagoland Spring Marathon
The marathon starts near Schaumburg's business district and runs through Busse Woods, passing lakes, prairie, and an elk pasture. The course is mostly flat with a few short bridge inclines. It is USATF-certified (#IL24010NM) and a Boston Marathon qualifier. A half marathon (#IL21015NM) and a 10K start the same morning, all distances finishing with pizza from Giordano's.