ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

McKenzie Chambley

Tuscaloosa, AL

Bib: 10260 F

0:00

0:00

/ mi

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Overall

#0 / 6843

Gender (Female)

#0 / 3868

Division (F25-29)

#0 / 584

Race Day Weather

35°/25°F

mist

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 5 · 261 ft

Start

0:00

Race begins

258 ft elev

5K· 3.11 mi

17:54/mi

55:37

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

19:10/mi

1:55:10

↑ 105 ft↓ 119 ft

290 ft elev

15:44/mi

2:23:17

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

21:17/mi

3:05:50

↑ 45 ft↓ 35 ft

254 ft elev

11M

21:12/mi

3:27:03

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

23:41/mi

4:17:00

↑ 73 ft↓ 70 ft

262 ft elev

Course Elevation

407ft

Total climb

79ft

Range

237 to 316 ft

403ft

Total descent

About the height of a seven-story building

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The Course

Half Splits

1st Half· via 10K

1:55:1018:32 /mi⚡ faster

2nd Half

2:21:4920:34 /mi+23.1%

Positive split — 23.1% slower in the second half

AI Race Performance Report

McKenzie'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	55:37	17:54	3.11 mi	55:37	17:54	-
10K	1:55:10	18:32	3.10 mi	59:33	19:10	+1:16
8M	2:23:17	17:55	1.79 mi	28:07	15:44	-3:26
10M	3:05:50	18:35	2.00 mi	42:33	21:17	+5:33
11M	3:27:03	18:49	1.00 mi	21:13	21:12	-0:05
Finish(13.11 mi)	4:17:00	19:36	2.11 mi	49:57	23:41	+2:29

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Checkpoints & Pacing

Pace Line

Fastest Pace

15:44 /mi

Average Pace

19:36 /mi

Slowest Pace

23:41 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:23:17

56% of race

Time at Steady Pace

1:03:46

25% of race

Time at Slower Pace

49:57

19% of race

Average Pace: 19:36 /mi

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Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi3.3mi6.6mi9.8mi13.1mi

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	6820	3853	3853	6820	3853	3853
10K	3.10 mi	6813+7	3846+7	3846+7	6805	3837	3837
8M	1.79 mi	6810+3	3845+1	3845+1	6812	3843	3843
10M	2.00 mi	6815-5	3848-3	3848-3	6828	3860	3860
11M	1.00 mi	6813+2	3847+1	3847+1	6784	3827	3827
Finish(13.11 mi)	2.11 mi	6809+4	3844+3	3844+3	6790	3831	3831

3831

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

ALSAC / St. Jude Children's Research Hospital

Race timed by

Sportstats