ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Mary O'Brien

Wollaston, MA

Bib: 12279 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 6843

Gender (Female)

#0 / 3868

Masters (Masters Women)

#0 / 1487

Division (F70-74)

#0 / 28

Top 50%

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

14:48/mi

45:59

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

16:37/mi

1:37:36

↑ 105 ft↓ 119 ft

290 ft elev

12:18/mi

1:59:34

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

16:05/mi

2:31:43

↑ 45 ft↓ 35 ft

254 ft elev

11M

19:05/mi

2:50:48

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

17:43/mi

3:28:10

↑ 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

1:37:3615:42 /mi⚡ faster

2nd Half

1:50:3416:02 /mi+13.3%

Positive split — 13.3% 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	45:59	14:48	3.11 mi	45:59	14:48	-
10K	1:37:36	15:42	3.10 mi	51:37	16:37	+1:49
8M	1:59:34	14:57	1.79 mi	21:58	12:18	-4:19
10M	2:31:43	15:10	2.00 mi	32:09	16:05	+3:47
11M	2:50:48	15:32	1.00 mi	19:05	19:05	+3:00
Finish(13.11 mi)	3:28:10	15:53	2.11 mi	37:22	17:43	-1:22

Trend:

Faster pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:18 /mi

Average Pace

15:53 /mi

Slowest Pace

19:05 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:07:57

33% of race

Time at Steady Pace

1:23:46

40% of race

Time at Slower Pace

56:27

27% of race

Average Pace: 15:53 /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	F70-74	Seg. Overall	Seg. Females	Seg. F70-74
5K	3.11 mi	6398	3549	3549	6398	3549	3549
10K	3.10 mi	6493-95	3618-69	3618-69	6569	3664	3664
8M	1.79 mi	6435+58	3579+39	3579+39	6170	3401	3401
10M	2.00 mi	6382+53	3542+37	3542+37	6121	3384	3384
11M	1.00 mi	6408-26	3564-22	3564-22	6645	3729	3729
Finish(13.11 mi)	2.11 mi	6343+65	3520+44	3520+44	6004	3323	3323

3323

Passing Analysis

No position changes recorded for this athlete.

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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