ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Brianna Castaldi

West Monroe, LA

Bib: 18339 F

0:00

0:00

/ mi

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Overall

#0 / 6843

Top 42%

Gender (Female)

#0 / 3868

Top 32%

Division (F30-34)

#0 / 432

Top 38%

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

10:31/mi

32:39

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

10:04/mi

1:03:57

↑ 105 ft↓ 119 ft

290 ft elev

8:14/mi

1:18:39

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

10:37/mi

1:39:53

↑ 45 ft↓ 35 ft

254 ft elev

11M

10:58/mi

1:50:51

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

11:53/mi

2:15:54

↑ 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

1:03:5710:18 /mi⚡ faster

2nd Half

1:11:5710:26 /mi+12.5%

Positive split — 12.5% slower in the second half

AI Race Performance Report

Brianna'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	32:39	10:31	3.11 mi	32:39	10:31	-
10K	1:03:57	10:18	3.10 mi	31:18	10:04	-0:27
8M	1:18:39	9:50	1.79 mi	14:42	8:14	-1:50
10M	1:39:53	9:59	2.00 mi	21:14	10:37	+2:23
11M	1:50:51	10:05	1.00 mi	10:58	10:58	+0:21
Finish(13.11 mi)	2:15:54	10:22	2.11 mi	25:03	11:53	+0:55

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:14 /mi

Average Pace

10:22 /mi

Slowest Pace

11:53 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

14:42

11% of race

Time at Steady Pace

1:36:09

71% of race

Time at Slower Pace

25:03

18% 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	F30-34	Seg. Overall	Seg. Females	Seg. F30-34
5K	3.11 mi	3586	1640	1640	3586	1640	1640
10K	3.10 mi	3106+480	1354+286	1354+286	2786	1171	1171
8M	1.79 mi	3047+59	1341+13	1341+13	2902	1265	1265
10M	2.00 mi	2943+104	1280+61	1280+61	2700	1155	1155
11M	1.00 mi	2915+28	1266+14	1266+14	2707	1190	1190
Finish(13.11 mi)	2.11 mi	2869+46	1248+18	1248+18	2743	1219	1219

1219

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