Melissa O'Brien

Belle Mead

Bib: 66053 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Division (F35-39)

#0 / 3504

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

13:50/mi

43:00

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

14:32/mi

1:28:10

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

14:58/mi

2:14:39

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

16:40/mi

3:06:25

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

15:01/mi

3:16:40

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

15:33/mi

3:54:22

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

15:05/mi

4:41:15

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

15:05/mi

5:28:07

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

14:56/mi

6:14:30

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

13:23/mi

6:32:45

↑ 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

3:16:4015:00 /mi⚖️ balanced

2nd Half

3:16:0514:57 /mi⚖️ balanced

Even split — consistent pacing between halves

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	43:00	13:50	3.11 mi	43:00	13:50	-
10K	1:28:10	14:11	3.10 mi	45:10	14:32	+0:42
15K	2:14:39	14:27	3.11 mi	46:29	14:58	+0:26
20K	3:06:25	15:00	3.11 mi	51:46	16:40	+1:42
Half(13.11 mi)	3:16:40	15:00	0.68 mi	10:15	15:01	-1:39
25K	3:54:22	15:05	2.42 mi	37:42	15:33	+0:32
30K	4:41:15	15:05	3.11 mi	46:53	15:05	-0:28
35K	5:28:07	15:05	3.11 mi	46:53	15:05	0:00
40K	6:14:30	15:04	3.10 mi	46:23	14:56	-0:09
Finish(26.22 mi)	6:32:45	14:59	1.37 mi	18:15	13:23	-1:33

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

13:23 /mi

Average Pace

14:59 /mi

Slowest Pace

16:40 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:46:25

27% of race

Time at Steady Pace

3:16:52

50% of race

Time at Slower Pace

1:29:28

23% of race

Average Pace: 14:59 /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	F35-39	Seg. Overall	Seg. Females	Seg. F35-39
5K	3.11 mi	53345	23994	3423	53479	24093	3445
10K	3.10 mi	53148+197	23836+158	3407+16	52808	23572	3352
15K	3.11 mi	53319-171	23952-116	3425-18	53479	24093	3445
20K	3.11 mi	53505-186	24094-142	3443-18	53659	24236	3461
Half(13.11 mi)	0.68 mi	53461+44	24066+28	3441+2	51447	22803	3251
25K	2.42 mi	53337+124	23976+90	3434+7	52119	23265	3333
30K	3.11 mi	53117+220	23819+157	3407+27	50189	22206	3179
35K	3.11 mi	52870+247	23671+148	3389+18	49126	21776	3104
40K	3.10 mi	52554+316	23476+195	3353+36	47072	20886	2988
Finish(26.22 mi)	1.37 mi	52416+138	23392+84	3338+15	46581	20681	2933

20681

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