David Jefska

Saugus

Bib: 46164 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Male)

#0 / 29548

Masters (Masters Men)

#0 / 14666

Division (M65-69)

#0 / 507

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

9:50/mi

30:33

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

11:41/mi

1:06:52

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:41/mi

1:40:05

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:32/mi

2:12:49

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

12:00/mi

2:21:00

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

12:16/mi

2:50:44

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

14:33/mi

3:35:55

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

16:13/mi

4:26:19

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

17:32/mi

5:20:47

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

16:56/mi

5:43:53

↑ 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

2:21:0010:45 /mi⚡ faster

2nd Half

3:22:5315:29 /mi+43.9%

Positive split — 43.9% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	30:33	9:50	3.11 mi	30:33	9:50	-
10K	1:06:52	10:46	3.10 mi	36:19	11:41	+1:51
15K	1:40:05	10:44	3.11 mi	33:13	10:41	-1:00
20K	2:12:49	10:41	3.11 mi	32:44	10:32	-0:09
Half(13.11 mi)	2:21:00	10:45	0.68 mi	8:11	12:00	+1:28
25K	2:50:44	10:59	2.42 mi	29:44	12:16	+0:16
30K	3:35:55	11:35	3.11 mi	45:11	14:33	+2:17
35K	4:26:19	12:15	3.11 mi	50:24	16:13	+1:40
40K	5:20:47	12:54	3.10 mi	54:28	17:32	+1:19
Finish(26.22 mi)	5:43:53	13:08	1.37 mi	23:06	16:56	-0:36

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:50 /mi

Average Pace

13:08 /mi

Slowest Pace

17:32 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:36:30

28% of race

Time at Steady Pace

1:14:14

22% of race

Time at Slower Pace

2:53:09

50% of race

Average Pace: 13:07 /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	M65-69	Seg. Overall	Seg. Males	Seg. M65-69
5K	3.11 mi	34083	22000	255	41918	25391	324
10K	3.10 mi	41161-7078	25094-3094	318-63	45989	26898	370
15K	3.11 mi	41308-147	25155-61	312+6	41918	25391	324
20K	3.11 mi	40505+803	24800+355	306+6	38556	23901	291
Half(13.11 mi)	0.68 mi	40725-220	24859-59	308-2	43945	25819	347
25K	2.42 mi	41652-927	25146-287	319-11	44491	25931	357
30K	3.11 mi	43767-2115	25846-700	345-26	48897	27460	417
35K	3.11 mi	45653-1886	26505-659	368-23	51589	28463	462
40K	3.10 mi	47189-1536	26986-481	390-22	52517	28824	483
Finish(26.22 mi)	1.37 mi	47891-702	27237-251	395-5	52930	29014	474

29014

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