Nathan Osborne

East Boston

Bib: 41273 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 35%

Gender (Male)

#0 / 29548

Top 45%

Masters (Masters Men)

#0 / 14666

Top 41%

Division (M45-49)

#0 / 3637

Top 46%

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

8:58/mi

27:53

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:49/mi

55:18

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:39/mi

1:22:11

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:41/mi

1:49:09

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:49/mi

1:55:10

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

8:38/mi

2:16:06

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

8:39/mi

2:42:57

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:42/mi

3:10:00

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

8:48/mi

3:37:20

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

8:32/mi

3:48:58

↑ 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

1:55:108:47 /mi+1.2%

2nd Half

1:53:488:41 /mi✓ faster

Negative split — 1.2% faster in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	27:53	8:58	3.11 mi	27:53	8:58	-
10K	55:18	8:54	3.10 mi	27:25	8:49	-0:09
15K	1:22:11	8:49	3.11 mi	26:53	8:39	-0:10
20K	1:49:09	8:47	3.11 mi	26:58	8:41	+0:02
Half(13.11 mi)	1:55:10	8:47	0.68 mi	6:01	8:49	+0:08
25K	2:16:06	8:46	2.42 mi	20:56	8:38	-0:11
30K	2:42:57	8:44	3.11 mi	26:51	8:39	+0:01
35K	3:10:00	8:44	3.11 mi	27:03	8:42	+0:03
40K	3:37:20	8:45	3.10 mi	27:20	8:48	+0:06
Finish(26.22 mi)	3:48:58	8:44	1.37 mi	11:38	8:32	-0:16

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:32 /mi

Average Pace

8:44 /mi

Slowest Pace

8:58 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:21:05

88% of race

Time at Steady Pace

27:53

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:44 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	25224	17369	2199	23229	16390	2042
10K	3.10 mi	24129+1095	16811+558	2120+79	23340	16392	2065
15K	3.11 mi	23737+392	16631+180	2091+29	23229	16390	2042
20K	3.11 mi	23186+551	16310+321	2041+50	21721	15495	1917
Half(13.11 mi)	0.68 mi	23047+139	16229+81	2023+18	21308	15182	1870
25K	2.42 mi	22463+584	15877+352	1981+42	20109	14438	1789
30K	3.11 mi	21387+1076	15178+699	1877+104	17755	12852	1592
35K	3.11 mi	20400+987	14488+690	1800+77	16130	11549	1422
40K	3.10 mi	19136+1264	13591+897	1704+96	13813	9722	1226
Finish(26.22 mi)	1.37 mi	18799+337	13327+264	1675+29	14115	9752	1203

9752

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