ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Samantha Losack

Lockwood, MO

Bib: 14503 F

0:00

0:00

/ mi

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Overall

#0 / 6843

Top 45%

Gender (Female)

#0 / 3868

Top 36%

Division (F30-34)

#0 / 432

Top 40%

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

10:18/mi

32:01

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

10:22/mi

1:04:14

↑ 105 ft↓ 119 ft

290 ft elev

8:14/mi

1:18:56

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

11:13/mi

1:41:22

↑ 45 ft↓ 35 ft

254 ft elev

11M

11:09/mi

1:52:31

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

12:28/mi

2:18:48

↑ 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

1:04:1410:20 /mi⚡ faster

2nd Half

1:14:3410:49 /mi+16.1%

Positive split — 16.1% 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	32:01	10:18	3.11 mi	32:01	10:18	-
10K	1:04:14	10:20	3.10 mi	32:13	10:22	+0:04
8M	1:18:56	9:52	1.79 mi	14:42	8:14	-2:08
10M	1:41:22	10:08	2.00 mi	22:26	11:13	+2:59
11M	1:52:31	10:14	1.00 mi	11:09	11:09	-0:04
Finish(13.11 mi)	2:18:48	10:35	2.11 mi	26:17	12:28	+1:19

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:14 /mi

Average Pace

10:35 /mi

Slowest Pace

12:28 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:18:56

57% of race

Time at Steady Pace

33:35

24% of race

Time at Slower Pace

26:17

19% of race

Average Pace: 10:35 /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	F30-34	Seg. Overall	Seg. Females	Seg. F30-34
5K	3.11 mi	3296	1462	1462	3296	1462	1462
10K	3.10 mi	3183+113	1402+60	1402+60	3152	1385	1385
8M	1.79 mi	3093+90	1365+37	1365+37	2908	1270	1270
10M	2.00 mi	3140-47	1392-27	1392-27	3277	1505	1505
11M	1.00 mi	3100+40	1378+14	1378+14	2881	1280	1280
Finish(13.11 mi)	2.11 mi	3095+5	1389-11	1389-11	3204	1510	1510

1510

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