Kathryn Booker

Arlington

Bib: 54977 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Masters (Masters Women)

#0 / 9409

Division (F45-49)

#0 / 2581

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

12:34/mi

39:04

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

12:30/mi

1:17:54

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

12:25/mi

1:56:29

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

12:46/mi

2:36:08

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

12:54/mi

2:44:56

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

13:45/mi

3:18:16

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

15:23/mi

4:06:04

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

15:41/mi

4:54:49

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

16:31/mi

5:46:09

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

13:54/mi

6:05:07

↑ 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

2:44:5612:35 /mi⚡ faster

2nd Half

3:20:1115:16 /mi+21.4%

Positive split — 21.4% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	39:04	12:34	3.11 mi	39:04	12:34	-
10K	1:17:54	12:32	3.10 mi	38:50	12:30	-0:04
15K	1:56:29	12:30	3.11 mi	38:35	12:25	-0:05
20K	2:36:08	12:34	3.11 mi	39:39	12:46	+0:21
Half(13.11 mi)	2:44:56	12:35	0.68 mi	8:48	12:54	+0:08
25K	3:18:16	12:46	2.42 mi	33:20	13:45	+0:51
30K	4:06:04	13:12	3.11 mi	47:48	15:23	+1:38
35K	4:54:49	13:33	3.11 mi	48:45	15:41	+0:18
40K	5:46:09	13:56	3.10 mi	51:20	16:31	+0:50
Finish(26.22 mi)	6:05:07	13:56	1.37 mi	18:58	13:54	-2:37

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:25 /mi

Average Pace

13:56 /mi

Slowest Pace

16:31 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:44:56

45% of race

Time at Steady Pace

52:18

14% of race

Time at Slower Pace

2:27:53

41% of race

Average Pace: 13:56 /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	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
5K	3.11 mi	51417	22616	2341	49674	21473	2216
10K	3.10 mi	50195+1222	21770+846	2260+81	48880	20922	2180
15K	3.11 mi	50049+146	21698+72	2252+8	49674	21473	2216
20K	3.11 mi	49736+313	21507+191	2224+28	48760	20970	2167
Half(13.11 mi)	0.68 mi	49570+166	21403+104	2211+13	47087	20037	2040
25K	2.42 mi	49489+81	21389+14	2212-1	48942	21304	2203
30K	3.11 mi	49840-351	21666-277	2242-30	50792	22578	2351
35K	3.11 mi	50044-204	21842-176	2266-24	50611	22568	2340
40K	3.10 mi	50412-368	22122-280	2294-28	51108	22984	2386
Finish(26.22 mi)	1.37 mi	50356+56	22104+18	2288+6	48278	21574	2192

21574

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