ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Katherine Schaaf

Louisville, KY

Bib: 14736 F

0:00

0:00

/ mi

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Overall

#0 / 6843

Gender (Female)

#0 / 3868

Top 43%

Division (F25-29)

#0 / 584

Top 47%

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

10:20/mi

32:06

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

10:41/mi

1:05:18

↑ 105 ft↓ 119 ft

290 ft elev

8:39/mi

1:20:45

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

12:38/mi

1:46:00

↑ 45 ft↓ 35 ft

254 ft elev

11M

10:57/mi

1:56:57

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

12:44/mi

2:23:48

↑ 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

1:05:1810:31 /mi⚡ faster

2nd Half

1:18:2911:23 /mi+20.2%

Positive split — 20.2% slower in the second half

AI Race Performance Report

Katherine'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	32:06	10:20	3.11 mi	32:06	10:20	-
10K	1:05:18	10:31	3.10 mi	33:12	10:41	+0:21
8M	1:20:45	10:06	1.79 mi	15:27	8:39	-2:02
10M	1:46:00	10:36	2.00 mi	25:15	12:38	+3:59
11M	1:56:57	10:38	1.00 mi	10:57	10:57	-1:41
Finish(13.11 mi)	2:23:48	10:58	2.11 mi	26:51	12:44	+1:47

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:39 /mi

Average Pace

10:58 /mi

Slowest Pace

12:44 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

15:27

11% of race

Time at Steady Pace

1:16:15

53% of race

Time at Slower Pace

52:06

36% of race

Average Pace: 10:58 /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	3335	1488	1488	3335	1488	1488
10K	3.10 mi	3411-76	1545-57	1545-57	3527	1616	1616
8M	1.79 mi	3411	1554-9	1554-9	3479	1619	1619
10M	2.00 mi	3698-287	1739-185	1739-185	4503	2287	2287
11M	1.00 mi	3571+127	1668+71	1668+71	2693	1185	1185
Finish(13.11 mi)	2.11 mi	3536+35	1653+15	1653+15	3385	1617	1617

1617

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