Jen Birkner

Naperville

Bib: 62764 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Masters (Masters Women)

#0 / 9409

Division (F50-54)

#0 / 1771

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

13:05/mi

40:38

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

13:03/mi

1:21:11

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

12:46/mi

2:00:50

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

12:59/mi

2:41:10

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

13:20/mi

2:50:16

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

12:58/mi

3:21:43

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

13:03/mi

4:02:15

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

13:09/mi

4:43:07

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

13:10/mi

5:24:02

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

14:51/mi

5:44:17

↑ 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

2:50:1612:59 /mi⚡ faster

2nd Half

2:54:0113:16 /mi+2.2%

Positive split — 2.2% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	40:38	13:05	3.11 mi	40:38	13:05	-
10K	1:21:11	13:04	3.10 mi	40:33	13:03	-0:02
15K	2:00:50	12:58	3.11 mi	39:39	12:46	-0:17
20K	2:41:10	12:58	3.11 mi	40:20	12:59	+0:13
Half(13.11 mi)	2:50:16	12:59	0.68 mi	9:06	13:20	+0:21
25K	3:21:43	12:59	2.42 mi	31:27	12:58	-0:22
30K	4:02:15	13:00	3.11 mi	40:32	13:03	+0:05
35K	4:43:07	13:01	3.11 mi	40:52	13:09	+0:06
40K	5:24:02	13:02	3.10 mi	40:55	13:10	+0:01
Finish(26.22 mi)	5:44:17	13:08	1.37 mi	20:15	14:51	+1:41

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:46 /mi

Average Pace

13:08 /mi

Slowest Pace

14:51 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

5:24:02

94% of race

Time at Steady Pace

20:15

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:08 /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	Females	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
5K	3.11 mi	52378	23293	1666	50543	22051	1556
10K	3.10 mi	51488+890	22637+656	1625+41	50393	21920	1562
15K	3.11 mi	51244+244	22497+140	1610+15	50543	22051	1556
20K	3.11 mi	50792+452	22214+283	1572+38	49317	21331	1485
Half(13.11 mi)	0.68 mi	50661+131	22142+72	1567+5	48240	20765	1439
25K	2.42 mi	50077+584	21762+380	1536+31	46804	19980	1372
30K	3.11 mi	49275+802	21308+454	1495+41	44452	18874	1276
35K	3.11 mi	48508+767	20918+390	1459+36	42853	18272	1228
40K	3.10 mi	47667+841	20497+421	1417+42	39979	17165	1157
Finish(26.22 mi)	1.37 mi	47936-269	20684-187	1425-8	50516	22693	1587

22693

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