Nora Leff

Chicago

Bib: 42169 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Top 42%

Division (F20-24)

#0 / 2002

Top 42%

Race Day Weather

54°/44°F

few clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

600 ft elev

5K· 3.11 mi

9:28/mi

29:24

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:32/mi

59:02

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:59/mi

1:26:56

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:24/mi

1:56:09

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:14/mi

2:02:27

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:44/mi

2:26:03

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:03/mi

2:57:17

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

10:22/mi

3:29:31

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

11:52/mi

4:06:22

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:03/mi

4:20:04

↑ 23 ft↓ 20 ft

606 ft elev

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

2:02:279:20 /mi⚡ faster

2nd Half

2:17:3710:30 /mi+12.4%

Positive split — 12.4% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:24	9:28	3.11 mi	29:24	9:28	-
10K	59:02	9:30	3.10 mi	29:38	9:32	+0:04
15K	1:26:56	9:20	3.11 mi	27:54	8:59	-0:33
20K	1:56:09	9:21	3.11 mi	29:13	9:24	+0:25
Half(13.11 mi)	2:02:27	9:20	0.68 mi	6:18	9:14	-0:10
25K	2:26:03	9:24	2.42 mi	23:36	9:44	+0:30
30K	2:57:17	9:31	3.11 mi	31:14	10:03	+0:19
35K	3:29:31	9:38	3.11 mi	32:14	10:22	+0:19
40K	4:06:22	9:55	3.10 mi	36:51	11:52	+1:30
Finish(26.22 mi)	4:20:04	9:56	1.37 mi	13:42	10:03	-1:49

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:59 /mi

Average Pace

9:56 /mi

Slowest Pace

11:52 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

34:12

13% of race

Time at Steady Pace

2:36:47

60% of race

Time at Slower Pace

1:09:05

27% of race

Average Pace: 9:55 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Females	F20-24	Seg. Overall	Seg. Females	Seg. F20-24
5K	3.11 mi	30748	10421	810	27429	8705	683
10K	3.10 mi	30923-175	10508-87	835-25	31281	10688	846
15K	3.11 mi	29803+1120	9896+612	785+50	27429	8705	683
20K	3.11 mi	29730+73	9865+31	785	29717	9855	807
Half(13.11 mi)	0.68 mi	29471+259	9745+120	783+2	26101	8271	652
25K	2.42 mi	29552-81	9830-85	783	30171	10326	864
30K	3.11 mi	29299+253	9818+12	786-3	29243	10209	826
35K	3.11 mi	28931+368	9822-4	798-12	28565	10392	858
40K	3.10 mi	29464-533	10323-501	837-39	33481	13778	1145
Finish(26.22 mi)	1.37 mi	29258+206	10286+37	839-2	26749	10353	895

10353

Passing Analysis

No position changes recorded for this athlete.

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All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Chicago Event Management

Race timed by

Mika Timing