Leah Mason

Saint Charles

Bib: 44821 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Top 40%

Division (F25-29)

#0 / 5362

Top 42%

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

9:28/mi

29:26

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:19/mi

58:24

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:40/mi

1:28:26

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:28/mi

1:57:52

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:35/mi

2:04:24

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:25/mi

2:27:13

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:48/mi

2:57:40

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

10:05/mi

3:29:00

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

10:58/mi

4:03:03

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:28/mi

4:17:20

↑ 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

2:04:249:29 /mi⚡ faster

2nd Half

2:12:5610:08 /mi+6.9%

Positive split — 6.9% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:26	9:28	3.11 mi	29:26	9:28	-
10K	58:24	9:24	3.10 mi	28:58	9:19	-0:09
15K	1:28:26	9:29	3.11 mi	30:02	9:40	+0:21
20K	1:57:52	9:29	3.11 mi	29:26	9:28	-0:12
Half(13.11 mi)	2:04:24	9:29	0.68 mi	6:32	9:35	+0:07
25K	2:27:13	9:29	2.42 mi	22:49	9:25	-0:10
30K	2:57:40	9:32	3.11 mi	30:27	9:48	+0:23
35K	3:29:00	9:37	3.11 mi	31:20	10:05	+0:17
40K	4:03:03	9:47	3.10 mi	34:03	10:58	+0:53
Finish(26.22 mi)	4:17:20	9:49	1.37 mi	14:17	10:28	-0:30

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:19 /mi

Average Pace

9:49 /mi

Slowest Pace

10:58 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:29:00

81% of race

Time at Steady Pace

48:20

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:49 /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	F25-29	Seg. Overall	Seg. Females	Seg. F25-29
5K	3.11 mi	30870	10480	2361	33923	11957	2723
10K	3.10 mi	29908+962	9987+493	2253+108	29279	9697	2185
15K	3.11 mi	31314-1406	10656-669	2405-152	33923	11957	2723
20K	3.11 mi	30956+358	10499+157	2389+16	30320	10167	2352
Half(13.11 mi)	0.68 mi	30801+155	10423+76	2378+11	28942	9596	2242
25K	2.42 mi	30161+640	10133+290	2323+55	27857	9165	2115
30K	3.11 mi	29478+683	9905+228	2266+57	27533	9344	2171
35K	3.11 mi	28742+736	9723+182	2222+44	26714	9440	2223
40K	3.10 mi	28375+367	9756-33	2229-7	28235	10957	2545
Finish(26.22 mi)	1.37 mi	28396-21	9850-94	2257-28	30155	12152	2954

12152

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