Jemima Bird

London

Bib: 9579 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 35%

Gender (Female)

#0 / 24561

Top 22%

Masters (Masters Women)

#0 / 9409

Top 19%

Division (F50-54)

#0 / 1771

Top 15%

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

8:15/mi

25:38

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:24/mi

51:44

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:21/mi

1:17:42

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:29/mi

1:44:04

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:39/mi

1:49:58

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

8:34/mi

2:10:45

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

8:54/mi

2:38:25

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

9:14/mi

3:07:06

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:22/mi

3:36:13

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:02/mi

3:48:32

↑ 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

1:49:588:23 /mi⚡ faster

2nd Half

1:58:349:03 /mi+7.8%

Positive split — 7.8% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	25:38	8:15	3.11 mi	25:38	8:15	-
10K	51:44	8:20	3.10 mi	26:06	8:24	+0:09
15K	1:17:42	8:20	3.11 mi	25:58	8:21	-0:03
20K	1:44:04	8:22	3.11 mi	26:22	8:29	+0:08
Half(13.11 mi)	1:49:58	8:23	0.68 mi	5:54	8:39	+0:10
25K	2:10:45	8:25	2.42 mi	20:47	8:34	-0:05
30K	2:38:25	8:30	3.11 mi	27:40	8:54	+0:20
35K	3:07:06	8:36	3.11 mi	28:41	9:14	+0:20
40K	3:36:13	8:42	3.10 mi	29:07	9:22	+0:08
Finish(26.22 mi)	3:48:32	8:43	1.37 mi	12:19	9:02	-0:20

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:15 /mi

Average Pace

8:43 /mi

Slowest Pace

9:22 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:50:44

75% of race

Time at Steady Pace

57:48

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:43 /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	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
5K	3.11 mi	17477	4595	205	20012	5495	282
10K	3.10 mi	18071-594	4822-227	223-18	18904	5131	255
15K	3.11 mi	18551-480	4979-157	241-18	20012	5495	282
20K	3.11 mi	18802-251	5074-95	248-7	19698	5419	266
Half(13.11 mi)	0.68 mi	18848-46	5087-13	246+2	19783	5482	261
25K	2.42 mi	18875-27	5118-31	243+3	19545	5447	270
30K	3.11 mi	18980-105	5211-93	252-9	20164	5930	317
35K	3.11 mi	19089-109	5371-160	262-10	20731	6604	345
40K	3.10 mi	18694+395	5368+3	268-6	18203	6008	292
Finish(26.22 mi)	1.37 mi	18622+72	5392-24	268	18505	6361	295

6361

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