ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Katherine Boesch

St. Louis, MO

Bib: 18377 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 (F50-54)

#0 / 302

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

11:55/mi

37:02

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

12:27/mi

1:15:44

↑ 105 ft↓ 119 ft

290 ft elev

10:20/mi

1:34:12

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

14:09/mi

2:02:29

↑ 45 ft↓ 35 ft

254 ft elev

11M

15:23/mi

2:17:52

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

17:28/mi

2:54:42

↑ 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

1:15:4412:11 /mi⚡ faster

2nd Half

1:38:5814:21 /mi+30.7%

Positive split — 30.7% slower in the second half

AI Race Performance Report

Katherine'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	37:02	11:55	3.11 mi	37:02	11:55	-
10K	1:15:44	12:11	3.10 mi	38:42	12:27	+0:32
8M	1:34:12	11:46	1.79 mi	18:28	10:20	-2:07
10M	2:02:29	12:15	2.00 mi	28:17	14:09	+3:49
11M	2:17:52	12:32	1.00 mi	15:23	15:23	+1:14
Finish(13.11 mi)	2:54:42	13:20	2.11 mi	36:50	17:28	+2:05

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:20 /mi

Average Pace

13:20 /mi

Slowest Pace

17:28 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:34:12

54% of race

Time at Steady Pace

28:17

16% of race

Time at Slower Pace

52:13

30% of race

Average Pace: 13:20 /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	5216	2711	2711	5216	2711	2711
10K	3.10 mi	5173+43	2693+18	2693+18	5131	2656	2656
8M	1.79 mi	5203-30	2706-13	2706-13	5200	2727	2727
10M	2.00 mi	5240-37	2739-33	2739-33	5422	2885	2885
11M	1.00 mi	5291-51	2779-40	2779-40	5637	3036	3036
Finish(13.11 mi)	2.11 mi	5471-180	2900-121	2900-121	5933	3269	3269

3269

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