Sabrina Serna

Woodstock

Bib: 25462 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Top 44%

Division (F35-39)

#0 / 3504

Top 45%

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

10:36/mi

32:57

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:05/mi

1:04:18

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:46/mi

1:34:39

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:50/mi

2:05:11

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:13/mi

2:12:09

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:04/mi

2:36:34

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:01/mi

3:07:40

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

10:10/mi

3:39:16

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:55/mi

4:10:06

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:38/mi

4:23:14

↑ 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

2:12:0910:05 /mi⚖️ balanced

2nd Half

2:11:0510:00 /mi⚖️ balanced

Even split — consistent pacing between halves

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	32:57	10:36	3.11 mi	32:57	10:36	-
10K	1:04:18	10:21	3.10 mi	31:21	10:05	-0:31
15K	1:34:39	10:09	3.11 mi	30:21	9:46	-0:19
20K	2:05:11	10:04	3.11 mi	30:32	9:50	+0:04
Half(13.11 mi)	2:12:09	10:05	0.68 mi	6:58	10:13	+0:23
25K	2:36:34	10:05	2.42 mi	24:25	10:04	-0:09
30K	3:07:40	10:04	3.11 mi	31:06	10:01	-0:03
35K	3:39:16	10:05	3.11 mi	31:36	10:10	+0:09
40K	4:10:06	10:04	3.10 mi	30:50	9:55	-0:15
Finish(26.22 mi)	4:23:14	10:03	1.37 mi	13:08	9:38	-0:17

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:38 /mi

Average Pace

10:03 /mi

Slowest Pace

10:36 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:50:17

87% of race

Time at Steady Pace

32:57

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:02 /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	F35-39	Seg. Overall	Seg. Females	Seg. F35-39
5K	3.11 mi	40754	15797	2263	34805	12432	1815
10K	3.10 mi	37862+2892	14131+1666	2040+223	35678	12980	1889
15K	3.11 mi	36803+1059	13548+583	1963+77	34805	12432	1815
20K	3.11 mi	35825+978	13025+523	1903+60	33116	11624	1716
Half(13.11 mi)	0.68 mi	35661+164	12941+84	1891+12	33710	12112	1762
25K	2.42 mi	35024+637	12690+251	1855+36	32677	11676	1712
30K	3.11 mi	33663+1361	12092+598	1782+73	28965	10067	1507
35K	3.11 mi	32412+1251	11618+474	1717+65	27250	9714	1438
40K	3.10 mi	30628+1784	10920+698	1621+96	21886	7768	1192
Finish(26.22 mi)	1.37 mi	30179+449	10750+170	1594+27	23527	8757	1303

8757

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