Nathan Brown

Boston

Bib: 19665 M

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Male)

#0 / 29548

Division (M25-29)

#0 / 4122

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

6:49/mi

21:10

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

7:07/mi

43:17

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

7:01/mi

1:05:06

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

7:25/mi

1:28:10

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:02/mi

1:33:39

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

8:47/mi

1:54:57

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:09/mi

2:26:29

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

11:53/mi

3:03:24

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

17:34/mi

3:57:58

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

14:02/mi

4:17:06

↑ 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

1:33:397:09 /mi⚡ faster

2nd Half

2:43:2712:28 /mi+74.5%

Positive split — 74.5% 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	21:10	6:49	3.11 mi	21:10	6:49	-
10K	43:17	6:58	3.10 mi	22:07	7:07	+0:18
15K	1:05:06	6:59	3.11 mi	21:49	7:01	-0:06
20K	1:28:10	7:06	3.11 mi	23:04	7:25	+0:24
Half(13.11 mi)	1:33:39	7:09	0.68 mi	5:29	8:02	+0:37
25K	1:54:57	7:24	2.42 mi	21:18	8:47	+0:45
30K	2:26:29	7:51	3.11 mi	31:32	10:09	+1:22
35K	3:03:24	8:26	3.11 mi	36:55	11:53	+1:44
40K	3:57:58	9:34	3.10 mi	54:34	17:34	+5:41
Finish(26.22 mi)	4:17:06	9:49	1.37 mi	19:08	14:02	-3:32

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:49 /mi

Average Pace

9:49 /mi

Slowest Pace

17:34 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

42:59

17% of race

Time at Steady Pace

1:43:30

40% of race

Time at Slower Pace

1:50:37

43% of race

Average Pace: 9:48 /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	Males	M25-29	Seg. Overall	Seg. Males	Seg. M25-29
5K	3.11 mi	5058	4551	862	6956	6070	1036
10K	3.10 mi	6112-1054	5412-861	956-94	7020	6096	1035
15K	3.11 mi	6411-299	5637-225	987-31	6956	6070	1036
20K	3.11 mi	6947-536	6052-415	1028-41	9063	7550	1224
Half(13.11 mi)	0.68 mi	7182-235	6212-160	1047-19	14033	10803	1687
25K	2.42 mi	8999-1817	7485-1273	1213-166	21630	15305	2313
30K	3.11 mi	12793-3794	9919-2434	1525-312	29854	19331	2884
35K	3.11 mi	17414-4621	12737-2818	1936-411	37188	22047	3227
40K	3.10 mi	26795-9381	17791-5054	2648-712	52559	28845	4051
Finish(26.22 mi)	1.37 mi	28314-1519	18505-714	2761-113	48583	26861	3889

26861

Passing Analysis

No position changes recorded for this athlete.

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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