Guy Jelley

Pretoria

Bib: 68231 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 41%

Gender (Male)

#0 / 29548

Masters (Masters Men)

#0 / 14666

Top 47%

Division (M45-49)

#0 / 3637

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

9:11/mi

28:33

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:11/mi

57:06

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:51/mi

1:24:37

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:00/mi

1:52:34

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:13/mi

1:58:51

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:02/mi

2:20:46

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:07/mi

2:49:06

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:57/mi

3:16:53

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:09/mi

3:45:18

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

8:45/mi

3:57:14

↑ 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

1:58:519:04 /mi⚖️ balanced

2nd Half

1:58:239:02 /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	28:33	9:11	3.11 mi	28:33	9:11	-
10K	57:06	9:11	3.10 mi	28:33	9:11	0:00
15K	1:24:37	9:05	3.11 mi	27:31	8:51	-0:20
20K	1:52:34	9:03	3.11 mi	27:57	9:00	+0:09
Half(13.11 mi)	1:58:51	9:04	0.68 mi	6:17	9:13	+0:13
25K	2:20:46	9:04	2.42 mi	21:55	9:02	-0:11
30K	2:49:06	9:04	3.11 mi	28:20	9:07	+0:05
35K	3:16:53	9:03	3.11 mi	27:47	8:57	-0:10
40K	3:45:18	9:04	3.10 mi	28:25	9:09	+0:12
Finish(26.22 mi)	3:57:14	9:03	1.37 mi	11:56	8:45	-0:24

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

8:45 /mi

Average Pace

9:03 /mi

Slowest Pace

9:13 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:50:57

97% of race

Time at Steady Pace

6:17

3% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:03 /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	27831	18816	2367	25684	17775	2209
10K	3.10 mi	27686+145	18749+67	2360+7	27732	18771	2343
15K	3.11 mi	26933+753	18395+354	2301+59	25684	17775	2209
20K	3.11 mi	26434+499	18131+264	2259+42	25344	17542	2179
Half(13.11 mi)	0.68 mi	26343+91	18077+54	2255+4	25601	17555	2160
25K	2.42 mi	25899+444	17790+287	2213+42	24368	16821	2078
30K	3.11 mi	25012+887	17226+564	2139+74	22241	15370	1897
35K	3.11 mi	23607+1405	16279+947	2023+116	18150	12716	1562
40K	3.10 mi	22339+1268	15377+902	1914+109	16467	11242	1406
Finish(26.22 mi)	1.37 mi	21953+386	15095+282	1879+35	15992	10802	1332

10802

Passing Analysis

No position changes recorded for this athlete.

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All Results

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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