ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Zachary Califf

Germantown, TN

Bib: 13069 M

0:00

0:00

/ mi

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Overall

#0 / 6843

Top 6%

Gender (Male)

#0 / 2969

Top 11%

Division (M11-15)

#0 / 44

Top 30%

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

7:35/mi

23:35

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

7:44/mi

47:38

↑ 105 ft↓ 119 ft

290 ft elev

6:23/mi

59:02

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

8:15/mi

1:15:31

↑ 45 ft↓ 35 ft

254 ft elev

11M

8:23/mi

1:23:54

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

9:30/mi

1:43:56

↑ 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

47:387:40 /mi⚡ faster

2nd Half

56:188:10 /mi+18.2%

Positive split — 18.2% slower in the second half

AI Race Performance Report

Zachary'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	23:35	7:35	3.11 mi	23:35	7:35	-
10K	47:38	7:40	3.10 mi	24:03	7:44	+0:09
8M	59:02	7:23	1.79 mi	11:24	6:23	-1:21
10M	1:15:31	7:33	2.00 mi	16:29	8:15	+1:52
11M	1:23:54	7:38	1.00 mi	8:23	8:23	+0:08
Finish(13.11 mi)	1:43:56	7:56	2.11 mi	20:02	9:30	+1:07

Trend:

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Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

6:23 /mi

Average Pace

7:56 /mi

Slowest Pace

9:30 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

59:02

57% of race

Time at Steady Pace

24:52

24% of race

Time at Slower Pace

20:02

19% of race

Average Pace: 7:56 /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	Males	M11-15	Seg. Overall	Seg. Males	Seg. M11-15
5K	3.11 mi	292	237	237	292	237	237
10K	3.10 mi	325-33	259-22	259-22	365	289	289
8M	1.79 mi	345-20	272-13	272-13	473	367	367
10M	2.00 mi	367-22	288-16	288-16	461	359	359
11M	1.00 mi	375-8	295-7	295-7	496	382	382
Finish(13.11 mi)	2.11 mi	433-58	337-42	337-42	785	561	561

561

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