Rebecca Grais

Cambridge

Bib: 48703 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Division (F25-29)

#0 / 5362

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

9:30/mi

29:30

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:36/mi

59:19

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:05/mi

1:30:38

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

11:46/mi

2:07:10

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

11:10/mi

2:14:47

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:26/mi

2:40:06

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

12:05/mi

3:17:38

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

11:11/mi

3:52:22

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

10:57/mi

4:26:24

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:06/mi

4:40:10

↑ 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

2:14:4710:17 /mi⚡ faster

2nd Half

2:25:2311:05 /mi+7.9%

Positive split — 7.9% 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	29:30	9:30	3.11 mi	29:30	9:30	-
10K	59:19	9:33	3.10 mi	29:49	9:36	+0:06
15K	1:30:38	9:43	3.11 mi	31:19	10:05	+0:29
20K	2:07:10	10:14	3.11 mi	36:32	11:46	+1:41
Half(13.11 mi)	2:14:47	10:17	0.68 mi	7:37	11:10	-0:36
25K	2:40:06	10:18	2.42 mi	25:19	10:26	-0:44
30K	3:17:38	10:36	3.11 mi	37:32	12:05	+1:39
35K	3:52:22	10:41	3.11 mi	34:44	11:11	-0:54
40K	4:26:24	10:43	3.10 mi	34:02	10:57	-0:14
Finish(26.22 mi)	4:40:10	10:42	1.37 mi	13:46	10:06	-0:51

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:30 /mi

Average Pace

10:42 /mi

Slowest Pace

12:05 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:09:43

46% of race

Time at Steady Pace

1:16:23

27% of race

Time at Slower Pace

1:14:04

26% of race

Average Pace: 10:41 /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	F25-29	Seg. Overall	Seg. Females	Seg. F25-29
5K	3.11 mi	31090	10579	2379	37432	13874	3152
10K	3.10 mi	31352-262	10714-135	2403-24	31791	10952	2468
15K	3.11 mi	33311-1959	11660-946	2627-224	37432	13874	3152
20K	3.11 mi	37077-3766	13712-2052	3099-472	45396	18823	4320
Half(13.11 mi)	0.68 mi	37242-165	13815-103	3124-25	39857	15645	3659
25K	2.42 mi	36765+477	13624+191	3096+28	35289	13160	3032
30K	3.11 mi	37610-845	14245-621	3245-149	40739	16666	3844
35K	3.11 mi	36848+762	14032+213	3214+31	33436	13146	3066
40K	3.10 mi	35505+1343	13504+528	3093+121	28209	10947	2542
Finish(26.22 mi)	1.37 mi	35075+430	13342+162	3062+31	27163	10584	2584

10584

Passing Analysis

No position changes recorded for this athlete.

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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