Jon Kucharski

Oak Forest

Bib: 58695 M

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 54109

Gender (Male)

#0 / 29548

Division (M35-39)

#0 / 4653

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

10:12/mi

31:41

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:30/mi

1:04:19

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:48/mi

1:37:52

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

11:00/mi

2:12:02

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

11:08/mi

2:19:38

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

11:21/mi

2:47:09

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

12:29/mi

3:25:57

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

15:44/mi

4:14:50

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

18:39/mi

5:12:47

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

12:07/mi

5:29:19

↑ 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

2:19:3810:39 /mi⚡ faster

2nd Half

3:09:4114:28 /mi+35.8%

Positive split — 35.8% slower in the second half

AI Race Performance Report

Jon's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

Free account · no payment

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	31:41	10:12	3.11 mi	31:41	10:12	-
10K	1:04:19	10:21	3.10 mi	32:38	10:30	+0:18
15K	1:37:52	10:30	3.11 mi	33:33	10:48	+0:18
20K	2:12:02	10:37	3.11 mi	34:10	11:00	+0:12
Half(13.11 mi)	2:19:38	10:39	0.68 mi	7:36	11:08	+0:08
25K	2:47:09	10:46	2.42 mi	27:31	11:21	+0:13
30K	3:25:57	11:03	3.11 mi	38:48	12:29	+1:08
35K	4:14:50	11:43	3.11 mi	48:53	15:44	+3:15
40K	5:12:47	12:35	3.10 mi	57:57	18:39	+2:55
Finish(26.22 mi)	5:29:19	12:34	1.37 mi	16:32	12:07	-6:32

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:12 /mi

Average Pace

12:34 /mi

Slowest Pace

18:39 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:42:29

68% of race

Time at Slower Pace

1:46:50

32% of race

Average Pace: 12:34 /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	M35-39	Seg. Overall	Seg. Males	Seg. M35-39
5K	3.11 mi	37172	23430	3817	42583	25643	4145
10K	3.10 mi	37875-703	23737-307	3865-48	38785	24101	3925
15K	3.11 mi	39532-1657	24460-723	3967-102	42583	25643	4145
20K	3.11 mi	40042-510	24626-166	3999-32	41551	25088	4083
Half(13.11 mi)	0.68 mi	39971+71	24563+63	3993+6	39705	24139	3964
25K	2.42 mi	40020-49	24504+59	3983+10	40615	24386	4004
30K	3.11 mi	40717-697	24616-112	4006-23	42401	24756	4039
35K	3.11 mi	43267-2550	25499-883	4156-150	50687	28079	4476
40K	3.10 mi	45912-2645	26466-967	4275-119	53347	29182	4601
Finish(26.22 mi)	1.37 mi	45723+189	26345+121	4259+16	41047	23228	3821

23228

Passing Analysis

No position changes recorded for this athlete.

More below

See the rest of Jon's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

All Results

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Chicago Event Management

Race timed by

Mika Timing