Jeffrey Brennecke

Napa

Bib: 13732 M

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 54109

Top 6%

Gender (Male)

#0 / 29548

Top 10%

Masters (Masters Men)

#0 / 14666

Top 5%

Division (M40-44)

#0 / 4329

Top 9%

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

6:44/mi

20:56

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

6:38/mi

41:32

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

6:22/mi

1:01:19

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

7:00/mi

1:23:05

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

6:27/mi

1:27:29

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

6:22/mi

1:42:54

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

6:38/mi

2:03:31

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

6:47/mi

2:24:37

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

7:06/mi

2:46:39

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

7:14/mi

2:56:31

↑ 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

1:27:296:40 /mi⚡ faster

2nd Half

1:29:026:48 /mi+1.8%

Positive split — 1.8% slower in the second half

AI Race Performance Report

Jeffrey'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	20:56	6:44	3.11 mi	20:56	6:44	-
10K	41:32	6:41	3.10 mi	20:36	6:38	-0:06
15K	1:01:19	6:35	3.11 mi	19:47	6:22	-0:16
20K	1:23:05	6:41	3.11 mi	21:46	7:00	+0:38
Half(13.11 mi)	1:27:29	6:40	0.68 mi	4:24	6:27	-0:33
25K	1:42:54	6:37	2.42 mi	15:25	6:22	-0:05
30K	2:03:31	6:38	3.11 mi	20:37	6:38	+0:16
35K	2:24:37	6:39	3.11 mi	21:06	6:47	+0:09
40K	2:46:39	6:42	3.10 mi	22:02	7:06	+0:19
Finish(26.22 mi)	2:56:31	6:44	1.37 mi	9:52	7:14	+0:08

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:22 /mi

Average Pace

6:44 /mi

Slowest Pace

7:14 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:24:37

82% of race

Time at Steady Pace

31:54

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	4406	4007	625	2350	2215	261
10K	3.10 mi	3790+616	3499+508	524+101	3388	3150	444
15K	3.11 mi	3252+538	3025+474	408+116	2350	2215	261
20K	3.11 mi	3876-624	3585-560	537-129	6121	5417	917
Half(13.11 mi)	0.68 mi	3751+125	3472+113	512+25	2149	2038	220
25K	2.42 mi	3330+421	3092+380	430+82	1864	1768	187
30K	3.11 mi	3162+168	2940+152	404+26	2684	2503	328
35K	3.11 mi	3059+103	2847+93	389+15	2922	2678	388
40K	3.10 mi	3043+16	2820+27	393-4	3479	3056	482
Finish(26.22 mi)	1.37 mi	3116-73	2872-52	398-5	4914	4037	640

4037

Passing Analysis

No position changes recorded for this athlete.

More below

See the rest of Jeffrey'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