ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Kai Holderby

High Ridge, MO

Bib: 14285 M

0:00

0:00

/ mi

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Overall

#0 / 6843

Top 10%

Gender (Male)

#0 / 2969

Top 17%

Division (M35-39)

#0 / 373

Top 18%

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

8:22/mi

25:59

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

8:35/mi

52:38

↑ 105 ft↓ 119 ft

290 ft elev

6:33/mi

1:04:20

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

8:36/mi

1:21:31

↑ 45 ft↓ 35 ft

254 ft elev

11M

8:45/mi

1:30:16

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

9:11/mi

1:49:37

↑ 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

52:388:28 /mi⚡ faster

2nd Half

56:588:16 /mi+8.2%

Positive split — 8.2% slower in the second half

AI Race Performance Report

Kai'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	25:59	8:22	3.11 mi	25:59	8:22	-
10K	52:38	8:28	3.10 mi	26:39	8:35	+0:13
8M	1:04:20	8:02	1.79 mi	11:42	6:33	-2:02
10M	1:21:31	8:09	2.00 mi	17:11	8:36	+2:03
11M	1:30:16	8:12	1.00 mi	8:45	8:45	+0:09
Finish(13.11 mi)	1:49:37	8:22	2.11 mi	19:21	9:11	+0:26

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

6:33 /mi

Average Pace

8:22 /mi

Slowest Pace

9:11 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

11:42

11% of race

Time at Steady Pace

1:18:34

72% of race

Time at Slower Pace

19:21

18% of race

Average Pace: 8:22 /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	Males	M35-39	Seg. Overall	Seg. Males	Seg. M35-39
5K	3.11 mi	754	543	543	754	543	543
10K	3.10 mi	832-78	591-48	591-48	938	646	646
8M	1.79 mi	779+53	563+28	563+28	601	449	449
10M	2.00 mi	742+37	544+19	544+19	666	494	494
11M	1.00 mi	728+14	539+5	539+5	692	509	509
Finish(13.11 mi)	2.11 mi	667+61	493+46	493+46	585	437	437

437

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