Mary Ralston

San Francisco

Bib: 36922 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Top 37%

Gender (Female)

#0 / 24561

Top 25%

Division (F20-24)

#0 / 2002

Top 23%

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

9:13/mi

28:37

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:52/mi

56:09

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:33/mi

1:22:42

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:43/mi

1:49:48

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:37/mi

1:55:41

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

8:40/mi

2:16:41

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

8:43/mi

2:43:45

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:53/mi

3:11:22

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:25/mi

3:40:37

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

8:54/mi

3:52:45

↑ 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

1:55:418:49 /mi⚡ faster

2nd Half

1:57:048:56 /mi+1.2%

Positive split — 1.2% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	28:37	9:13	3.11 mi	28:37	9:13	-
10K	56:09	9:02	3.10 mi	27:32	8:52	-0:21
15K	1:22:42	8:52	3.11 mi	26:33	8:33	-0:19
20K	1:49:48	8:50	3.11 mi	27:06	8:43	+0:10
Half(13.11 mi)	1:55:41	8:49	0.68 mi	5:53	8:37	-0:06
25K	2:16:41	8:48	2.42 mi	21:00	8:40	+0:03
30K	2:43:45	8:47	3.11 mi	27:04	8:43	+0:03
35K	3:11:22	8:48	3.11 mi	27:37	8:53	+0:10
40K	3:40:37	8:53	3.10 mi	29:15	9:25	+0:32
Finish(26.22 mi)	3:52:45	8:53	1.37 mi	12:08	8:54	-0:31

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:33 /mi

Average Pace

8:53 /mi

Slowest Pace

9:25 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:23:30

87% of race

Time at Steady Pace

29:15

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:53 /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	F20-24	Seg. Overall	Seg. Females	Seg. F20-24
5K	3.11 mi	28093	9126	689	22029	6323	477
10K	3.10 mi	25811+2282	8073+1053	600+89	23781	7138	526
15K	3.11 mi	24389+1422	7376+697	553+47	22029	6323	477
20K	3.11 mi	23790+599	7121+255	535+18	22222	6399	481
Half(13.11 mi)	0.68 mi	23498+292	7004+117	524+11	19598	5410	421
25K	2.42 mi	22852+646	6751+253	506+18	20404	5785	437
30K	3.11 mi	21863+989	6407+344	480+26	18367	5168	400
35K	3.11 mi	21029+834	6182+225	461+19	17719	5260	423
40K	3.10 mi	20430+599	6093+89	464-3	18520	6160	478
Finish(26.22 mi)	1.37 mi	20171+259	6054+39	469-5	17322	5800	496

5800

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