Jonathan Pierce

Wheaton Aston

Bib: 10850 M

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 54109

Top 29%

Gender (Male)

#0 / 29548

Top 39%

Masters (Masters Men)

#0 / 14666

Top 34%

Division (M60-64)

#0 / 1216

Top 20%

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

7:51/mi

24:22

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

7:53/mi

48:53

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

7:50/mi

1:13:13

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:00/mi

1:38:04

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:18/mi

1:43:44

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

8:13/mi

2:03:39

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

8:35/mi

2:30:20

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:58/mi

2:58:10

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:24/mi

3:27:22

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:17/mi

3:40:02

↑ 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

1:43:447:55 /mi⚡ faster

2nd Half

1:56:188:52 /mi+12.1%

Positive split — 12.1% slower in the second half

AI Race Performance Report

Jonathan'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	24:22	7:51	3.11 mi	24:22	7:51	-
10K	48:53	7:52	3.10 mi	24:31	7:53	+0:02
15K	1:13:13	7:51	3.11 mi	24:20	7:50	-0:03
20K	1:38:04	7:53	3.11 mi	24:51	8:00	+0:10
Half(13.11 mi)	1:43:44	7:55	0.68 mi	5:40	8:18	+0:18
25K	2:03:39	7:58	2.42 mi	19:55	8:13	-0:05
30K	2:30:20	8:04	3.11 mi	26:41	8:35	+0:22
35K	2:58:10	8:12	3.11 mi	27:50	8:58	+0:23
40K	3:27:22	8:21	3.10 mi	29:12	9:24	+0:26
Finish(26.22 mi)	3:40:02	8:24	1.37 mi	12:40	9:17	-0:07

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:50 /mi

Average Pace

8:24 /mi

Slowest Pace

9:24 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:30:20

68% of race

Time at Steady Pace

27:50

13% of race

Time at Slower Pace

41:52

19% of race

Average Pace: 8:24 /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	M60-64	Seg. Overall	Seg. Males	Seg. M60-64
5K	3.11 mi	13347	10280	165	14367	11011	184
10K	3.10 mi	13543-196	10390-110	165	13805	10571	173
15K	3.11 mi	13740-197	10530-140	169-4	14367	11011	184
20K	3.11 mi	13922-182	10682-152	170-1	14789	11286	197
Half(13.11 mi)	0.68 mi	14035-113	10745-63	173-3	16541	12352	254
25K	2.42 mi	14359-324	10962-217	182-9	16132	12060	253
30K	3.11 mi	14912-553	11306-344	207-25	17233	12529	295
35K	3.11 mi	15238-326	11409-103	221-14	18269	12769	321
40K	3.10 mi	15388-150	11368+41	237-16	18379	12281	319
Finish(26.22 mi)	1.37 mi	15609-221	11451-83	243-6	20670	13278	332

13278

Passing Analysis

No position changes recorded for this athlete.

More below

See the rest of Jonathan'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