ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Casey O'Brien

Pittsburgh, PA

Bib: 15297 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 6843

Top 42%

Gender (Female)

#0 / 3868

Top 32%

Masters (Masters Women)

#0 / 1487

Top 25%

Division (F40-44)

#0 / 397

Top 37%

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

10:14/mi

31:48

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

10:18/mi

1:03:48

↑ 105 ft↓ 119 ft

290 ft elev

8:02/mi

1:18:09

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

10:52/mi

1:39:52

↑ 45 ft↓ 35 ft

254 ft elev

11M

10:48/mi

1:50:40

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

11:59/mi

2:15:56

↑ 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

1:03:4810:16 /mi⚡ faster

2nd Half

1:12:0710:28 /mi+13.0%

Positive split — 13.0% slower in the second half

AI Race Performance Report

Casey'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	31:48	10:14	3.11 mi	31:48	10:14	-
10K	1:03:48	10:16	3.10 mi	32:00	10:18	+0:04
8M	1:18:09	9:46	1.79 mi	14:21	8:02	-2:16
10M	1:39:52	9:59	2.00 mi	21:43	10:52	+2:50
11M	1:50:40	10:04	1.00 mi	10:48	10:48	-0:04
Finish(13.11 mi)	2:15:56	10:22	2.11 mi	25:16	11:59	+1:11

Trend:

Faster pace

Steady pace

Slower pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:02 /mi

Average Pace

10:22 /mi

Slowest Pace

11:59 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

14:21

11% of race

Time at Steady Pace

1:36:19

71% of race

Time at Slower Pace

25:16

19% of race

Average Pace: 10:22 /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	Females	F40-44	Seg. Overall	Seg. Females	Seg. F40-44
5K	3.11 mi	3188	1402	1402	3188	1402	1402
10K	3.10 mi	3076+112	1335+67	1335+67	3067	1331	1331
8M	1.79 mi	2968+108	1284+51	1284+51	2590	1081	1081
10M	2.00 mi	2938+30	1275+9	1275+9	2971	1326	1326
11M	1.00 mi	2893+45	1257+18	1257+18	2559	1110	1110
Finish(13.11 mi)	2.11 mi	2871+22	1250+7	1250+7	2836	1273	1273

1273

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