Jack Harding

Boston

Bib: 45123 M

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 54109

Top 21%

Gender (Male)

#0 / 29548

Top 29%

Division (M25-29)

#0 / 4122

Top 33%

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

7:50/mi

24:21

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

7:51/mi

48:45

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

7:44/mi

1:12:48

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

7:45/mi

1:36:52

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

7:53/mi

1:42:15

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

7:44/mi

2:01:01

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

7:49/mi

2:25:19

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

7:48/mi

2:49:34

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

8:19/mi

3:15:24

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

8:35/mi

3:27:06

↑ 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

1:42:157:48 /mi⚡ faster

2nd Half

1:44:518:00 /mi+2.5%

Positive split — 2.5% slower in the second half

AI Race Performance Report

Jack'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	24:21	7:50	3.11 mi	24:21	7:50	-
10K	48:45	7:51	3.10 mi	24:24	7:51	+0:01
15K	1:12:48	7:49	3.11 mi	24:03	7:44	-0:07
20K	1:36:52	7:48	3.11 mi	24:04	7:45	+0:01
Half(13.11 mi)	1:42:15	7:48	0.68 mi	5:23	7:53	+0:08
25K	2:01:01	7:47	2.42 mi	18:46	7:44	-0:09
30K	2:25:19	7:48	3.11 mi	24:18	7:49	+0:05
35K	2:49:34	7:48	3.11 mi	24:15	7:48	-0:01
40K	3:15:24	7:52	3.10 mi	25:50	8:19	+0:31
Finish(26.22 mi)	3:27:06	7:54	1.37 mi	11:42	8:35	+0:16

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:44 /mi

Average Pace

7:54 /mi

Slowest Pace

8:35 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:15:24

94% of race

Time at Steady Pace

11:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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	13278	10236	1550	13400	10395	1588
10K	3.10 mi	13319-41	10242-6	1549+1	13442	10334	1573
15K	3.11 mi	13293+26	10250-8	1556-7	13400	10395	1588
20K	3.11 mi	13013+280	10088+162	1539+17	12188	9588	1496
Half(13.11 mi)	0.68 mi	12964+49	10060+28	1536+3	12439	9716	1520
25K	2.42 mi	12692+272	9888+172	1516+20	11569	9122	1432
30K	3.11 mi	12181+511	9518+370	1463+53	10621	8385	1310
35K	3.11 mi	11511+670	9017+501	1404+59	8908	7075	1139
40K	3.10 mi	11152+359	8677+340	1349+55	10449	7755	1213
Finish(26.22 mi)	1.37 mi	11264-112	8713-36	1358-9	14513	9970	1573

9970

Passing Analysis

No position changes recorded for this athlete.

More below

See the rest of Jack'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