Overall
#0 / 54109
Top 48%Gender (Female)
#0 / 24561
Top 36%Division (F25-29)
#0 / 5362
Top 38%Race Day Weather
54°/44°F
few clouds
Race Timeline
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:31/mi
29:35
↑ 52 ft↓ 48 ft
10K· 6.21 mi
9:23/mi
58:43
↑ 25 ft↓ 31 ft
15K· 9.32 mi
9:17/mi
1:27:33
↑ 12 ft↓ 13 ft
20K· 12.43 mi
9:22/mi
1:56:40
↑ 18 ft↓ 17 ft
Half· 13.11 mi
9:30/mi
2:03:09
↑ 13 ft0.2% grade
25K· 15.53 mi
9:16/mi
2:25:38
↑ 22 ft↓ 30 ft
30K· 18.64 mi
9:22/mi
2:54:45
↑ 13 ft↓ 12 ft
35K· 21.75 mi
9:40/mi
3:24:46
↑ 27 ft↓ 27 ft
40K· 24.85 mi
10:15/mi
3:56:37
↑ 16 ft↓ 11 ft
Finish· 26.22 mi
9:19/mi
4:09:20
↑ 23 ft↓ 20 ft
Course Elevation
227ft
Total climb
32ft
Range
589 to 621 ft
221ft
Total descent
About the height of a three-story building
The Course
Half Splits
1st Half· via Half
2:03:099:24 /mi⚡ faster
2nd Half
2:06:119:38 /mi+2.5%
Positive split — 2.5% slower in the second half
AI Race Performance Report
Brenna's race, broken down like a coach
The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.
Free account · no payment
Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
5K | 29:35 | 9:31 | 3.11 mi | 29:35 | 9:31 | - | |
10K | 58:43 | 9:27 | 3.10 mi | 29:08 | 9:23 | -0:08 | |
15K | 1:27:33 | 9:24 | 3.11 mi | 28:50 | 9:17 | -0:06 | |
20K | 1:56:40 | 9:23 | 3.11 mi | 29:07 | 9:22 | +0:05 | |
Half(13.11 mi) | 2:03:09 | 9:24 | 0.68 mi | 6:29 | 9:30 | +0:08 | |
25K | 2:25:38 | 9:22 | 2.42 mi | 22:29 | 9:16 | -0:14 | |
30K | 2:54:45 | 9:22 | 3.11 mi | 29:07 | 9:22 | +0:06 | |
35K | 3:24:46 | 9:25 | 3.11 mi | 30:01 | 9:40 | +0:18 | |
40K | 3:56:37 | 9:31 | 3.10 mi | 31:51 | 10:15 | +0:35 | |
Finish(26.22 mi) | 4:09:20 | 9:31 | 1.37 mi | 12:43 | 9:19 | -0:56 |
Trend:
Faster pace
Steady pace
Slower pace
More below
See the rest of Brenna's race
Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.
Questions or issues regarding timing data?
If you notice any discrepancies in your timing data or have questions about your results, our support team can help.
Contact Race SupportPublic Race Data
Enhanced athlete results built from publicly available data.
Race managed by
Chicago Event Management
Race timed by
Mika Timing
