Jack Ahrens

Boston

Bib: 41460 M

0:00

0:00

/ mi

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Overall

#0 / 54109

Top 33%

Gender (Male)

#0 / 29548

Top 44%

Division (M25-29)

#0 / 4122

Top 47%

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

8:35/mi

26:39

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:44/mi

53:47

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:32/mi

1:20:19

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:39/mi

1:47:13

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:51/mi

1:53:15

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

8:36/mi

2:14:07

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

8:37/mi

2:40:52

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:40/mi

3:07:47

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

8:46/mi

3:35:01

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

8:45/mi

3:46:57

↑ 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

1:53:158:38 /mi⚖️ balanced

2nd Half

1:53:428:40 /mi⚖️ balanced

Even split — consistent pacing between halves

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	26:39	8:35	3.11 mi	26:39	8:35	-
10K	53:47	8:39	3.10 mi	27:08	8:44	+0:09
15K	1:20:19	8:37	3.11 mi	26:32	8:32	-0:12
20K	1:47:13	8:38	3.11 mi	26:54	8:39	+0:07
Half(13.11 mi)	1:53:15	8:38	0.68 mi	6:02	8:51	+0:12
25K	2:14:07	8:38	2.42 mi	20:52	8:36	-0:15
30K	2:40:52	8:38	3.11 mi	26:45	8:37	+0:01
35K	3:07:47	8:38	3.11 mi	26:55	8:40	+0:03
40K	3:35:01	8:39	3.10 mi	27:14	8:46	+0:06
Finish(26.22 mi)	3:46:57	8:40	1.37 mi	11:56	8:45	-0:01

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:32 /mi

Average Pace

8:40 /mi

Slowest Pace

8:51 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:46:57

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:39 /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	20522	14731	2177	21929	15643	2368
10K	3.10 mi	21382-860	15236-505	2261-84	22294	15752	2352
15K	3.11 mi	21484-102	15300-64	2289-28	21929	15643	2368
20K	3.11 mi	21456+28	15300	2302-13	21439	15319	2341
Half(13.11 mi)	0.68 mi	21432+24	15280+20	2302	21590	15339	2331
25K	2.42 mi	21076+356	15054+226	2279+23	19839	14278	2164
30K	3.11 mi	20252+824	14501+553	2196+83	17442	12663	1930
35K	3.11 mi	19387+865	13903+598	2110+86	15763	11326	1739
40K	3.10 mi	18247+1140	13072+831	1964+146	13570	9576	1450
Finish(26.22 mi)	1.37 mi	18009+238	12864+208	1945+19	15971	10781	1691

10781

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