David Jefska

Bib: 61520 M US

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Male)

#0 / 33594

Masters (Masters Men)

#0 / 16876

Division (M65-69)

#0 / 593

Race Day Weather

56°/46°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

131 ft elev

5K· 3.11 mi

11:00/mi

34:10

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:30/mi

1:06:46

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:18/mi

1:41:51

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:21/mi

2:23:19

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:51/mi

2:31:56

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

16:02/mi

3:10:58

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

17:28/mi

4:05:12

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

17:49/mi

5:00:31

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

18:08/mi

5:56:49

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

18:22/mi

6:21:52

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

166ft

Range

6 to 172 ft

613ft

Total descent

About the height of the Statue of Liberty

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The Course

Half Splits

1st Half· via Half

2:31:5611:36 /mi⚡ faster

2nd Half

3:49:5617:32 /mi+51.3%

Positive split — 51.3% slower in the second half

AI Race Performance Report

David's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	34:10	11:00	3.11 mi	34:10	11:00	-
10K	1:06:46	10:45	3.10 mi	32:36	10:30	-0:30
15K	1:41:51	10:56	3.11 mi	35:05	11:18	+0:48
20K	2:23:19	11:32	3.11 mi	41:28	13:21	+2:03
Half(13.10 mi)	2:31:56	11:36	0.67 mi	8:37	12:51	-0:30
25K	3:10:58	12:18	2.43 mi	39:02	16:02	+3:11
30K	4:05:12	13:10	3.11 mi	54:14	17:28	+1:26
35K	5:00:31	13:50	3.11 mi	55:19	17:49	+0:21
40K	5:56:49	14:22	3.10 mi	56:18	18:08	+0:19
Finish(26.22 mi)	6:21:52	14:35	1.37 mi	25:03	18:22	+0:14

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:30 /mi

Average Pace

14:35 /mi

Slowest Pace

18:22 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:31:56

40% of race

Time at Steady Pace

1:33:16

24% of race

Time at Slower Pace

2:16:40

36% of race

Average Pace: 14:34 /mi

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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	48342	30025	30025	43902	28171	28171
10K	3.10 mi	44643+3699	28561+1464	28561+1464	41232	27061	27061
15K	3.11 mi	44291+352	28406+155	28406+155	43902	28171	28171
20K	3.11 mi	47771-3480	29711-1305	29711-1305	52987	31355	31355
Half(13.10 mi)	0.67 mi	47905-134	29733-22	29733-22	49706	29958	29958
25K	2.43 mi	50140-2235	30521-788	30521-788	55996	32340	32340
30K	3.11 mi	52489-2349	31240-719	31240-719	57547	32817	32817
35K	3.11 mi	53659-1170	31593-353	31593-353	57401	32622	32622
40K	3.10 mi	54872-1213	32013-420	32013-420	58315	33009	33009
Finish(26.22 mi)	1.37 mi	55325-453	32140-127	32140-127	58736	33153	33153

33153

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing