Marilyn Dear Nelson

Twickenham

Bib: 56275 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 (F75-79)

#0 / 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

11:33/mi

35:52

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

12:02/mi

1:13:16

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

13:17/mi

1:54:32

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

17:13/mi

2:48:01

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

18:31/mi

3:00:39

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

19:14/mi

3:47:16

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

21:39/mi

4:54:33

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

27:08/mi

6:18:52

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

27:08/mi

7:43:12

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

27:08/mi

8:20:13

↑ 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

3:00:3913:47 /mi⚡ faster

2nd Half

5:19:3424:23 /mi+76.9%

Positive split — 76.9% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	35:52	11:33	3.11 mi	35:52	11:33	-
10K	1:13:16	11:47	3.10 mi	37:24	12:02	+0:29
15K	1:54:32	12:17	3.11 mi	41:16	13:17	+1:15
20K	2:48:01	13:31	3.11 mi	53:29	17:13	+3:56
Half(13.11 mi)	3:00:39	13:47	0.68 mi	12:38	18:31	+1:18
25K	3:47:16	14:38	2.42 mi	46:37	19:14	+0:43
30K	4:54:33	15:48	3.11 mi	1:07:17	21:39	+2:25
35K	6:18:52	17:25	3.11 mi	1:24:19	27:08	+5:29
40K	7:43:12	18:38	3.10 mi	1:24:19	27:08	0:00
Finish(26.22 mi)	8:20:13	19:06	1.37 mi	37:01	27:08	0:00

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

11:33 /mi

Average Pace

19:06 /mi

Slowest Pace

27:08 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:54:32

23% of race

Time at Steady Pace

3:00:01

36% of race

Time at Slower Pace

3:25:40

41% of race

Average Pace: 19:05 /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	F75-79	Seg. Overall	Seg. Females	Seg. F75-79
5K	3.11 mi	47625	20143	5	51635	22805	9
10K	3.10 mi	47495+130	20029+114	6-1	47450	19998	6
15K	3.11 mi	49397-1902	21266-1237	7-1	51635	22805	9
20K	3.11 mi	51962-2565	22995-1729	9-2	53789	24337	14
Half(13.11 mi)	0.68 mi	52241-279	23194-199	9	53630	24240	15
25K	2.42 mi	52952-711	23686-492	10-1	53915	24437	15
30K	3.11 mi	53589-637	24169-483	13-3	54062	24540	15
35K	3.11 mi	53928-339	24430-261	15-2	54101	24556	15
40K	3.10 mi	54031-103	24505-75	15	54094	24559	15
Finish(26.22 mi)	1.37 mi	54047-16	24515-10	15	54091	24554	15

24554

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