Brianna Spear

London

Bib: 69486 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Top 46%

Division (F25-29)

#0 / 5362

Top 49%

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

9:58/mi

30:59

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:55/mi

1:01:49

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:47/mi

1:32:13

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:02/mi

2:03:23

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:10/mi

2:10:19

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:05/mi

2:34:45

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:15/mi

3:06:36

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

10:26/mi

3:39:00

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

10:42/mi

4:12:15

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:17/mi

4:26:17

↑ 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

2:10:199:56 /mi⚡ faster

2nd Half

2:15:5810:22 /mi+4.3%

Positive split — 4.3% 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	30:59	9:58	3.11 mi	30:59	9:58	-
10K	1:01:49	9:57	3.10 mi	30:50	9:55	-0:03
15K	1:32:13	9:54	3.11 mi	30:24	9:47	-0:08
20K	2:03:23	9:56	3.11 mi	31:10	10:02	+0:15
Half(13.11 mi)	2:10:19	9:56	0.68 mi	6:56	10:10	+0:08
25K	2:34:45	9:58	2.42 mi	24:26	10:05	-0:05
30K	3:06:36	10:01	3.11 mi	31:51	10:15	+0:10
35K	3:39:00	10:04	3.11 mi	32:24	10:26	+0:11
40K	4:12:15	10:09	3.10 mi	33:15	10:42	+0:16
Finish(26.22 mi)	4:26:17	10:10	1.37 mi	14:02	10:17	-0:25

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:47 /mi

Average Pace

10:10 /mi

Slowest Pace

10:42 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:06:36

70% of race

Time at Steady Pace

1:19:41

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:09 /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	35301	12729	2845	34950	12506	2834
10K	3.10 mi	34712+589	12418+311	2785+60	34394	12285	2762
15K	3.11 mi	34722-10	12409+9	2789-4	34950	12506	2834
20K	3.11 mi	34663+59	12392+17	2803-14	34840	12561	2887
Half(13.11 mi)	0.68 mi	34536+127	12347+45	2800+3	33390	11945	2777
25K	2.42 mi	34067+469	12155+192	2754+46	32724	11702	2692
30K	3.11 mi	33205+862	11843+312	2703+51	30551	10910	2512
35K	3.11 mi	32328+877	11564+279	2641+62	28868	10546	2467
40K	3.10 mi	31261+1067	11243+321	2583+58	26715	10136	2350
Finish(26.22 mi)	1.37 mi	31085+176	11233+10	2604-21	28696	11366	2771

11366

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