ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Margaret Osullivan

Brentwood, TN

Bib: 16609 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 6843

Top 43%

Gender (Female)

#0 / 3868

Top 34%

Masters (Masters Women)

#0 / 1487

Top 26%

Division (F50-54)

#0 / 302

Top 25%

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

9:58/mi

30:57

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

10:06/mi

1:02:19

↑ 105 ft↓ 119 ft

290 ft elev

8:10/mi

1:16:54

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

10:47/mi

1:38:28

↑ 45 ft↓ 35 ft

254 ft elev

11M

11:11/mi

1:49:39

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

12:53/mi

2:16:50

↑ 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

1:02:1910:02 /mi⚡ faster

2nd Half

1:14:3110:48 /mi+19.6%

Positive split — 19.6% slower in the second half

AI Race Performance Report

Margaret'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	30:57	9:58	3.11 mi	30:57	9:58	-
10K	1:02:19	10:02	3.10 mi	31:22	10:06	+0:08
8M	1:16:54	9:37	1.79 mi	14:35	8:10	-1:56
10M	1:38:28	9:51	2.00 mi	21:34	10:47	+2:37
11M	1:49:39	9:58	1.00 mi	11:11	11:11	+0:24
Finish(13.11 mi)	2:16:50	10:26	2.11 mi	27:11	12:53	+1:42

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:10 /mi

Average Pace

10:26 /mi

Slowest Pace

12:53 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

45:32

33% of race

Time at Steady Pace

1:04:07

47% of race

Time at Slower Pace

27:11

20% of race

Average Pace: 10:26 /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	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
5K	3.11 mi	2787	1163	1163	2787	1163	1163
10K	3.10 mi	2778+9	1161+2	1161+2	2825	1198	1198
8M	1.79 mi	2759+19	1162-1	1162-1	2786	1199	1199
10M	2.00 mi	2769-10	1177-15	1177-15	2894	1280	1280
11M	1.00 mi	2770-1	1185-8	1185-8	2909	1300	1300
Finish(13.11 mi)	2.11 mi	2949-179	1305-120	1305-120	3499	1692	1692

1692

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