ST JUDE MEMPHIS MARATHON HALF MARATHON 2025

Amy Kalb

Memphis, TN

Bib: 10429 F

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 6843

Top 42%

Gender (Female)

#0 / 3868

Top 32%

Masters (Masters Women)

#0 / 1487

Top 25%

Division (F50-54)

#0 / 302

Top 24%

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

9:34/mi

29:44

↑ 118 ft↓ 72 ft0.3% grade

304 ft elev

10K· 6.21 mi

9:43/mi

59:56

↑ 105 ft↓ 119 ft

290 ft elev

8:14/mi

1:14:39

↑ 35 ft↓ 76 ft0.4% grade

245 ft elev

10M

10:46/mi

1:36:10

↑ 45 ft↓ 35 ft

254 ft elev

11M

11:55/mi

1:48:05

↑ 29 ft↓ 24 ft

260 ft elev

Finish· 13.11 mi

13:10/mi

2:15:51

↑ 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

See every mile of your race

Claim this result to add your watch's GPX and unlock per-mile pace, heart rate, and grade — mile by mile on this timeline.

Works with Garmin, Apple Watch, Strava, COROS, Suunto & more.

The Course

Half Splits

1st Half· via 10K

59:569:39 /mi⚡ faster

2nd Half

1:15:5411:00 /mi+26.6%

Positive split — 26.6% slower in the second half

AI Race Performance Report

Amy's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

Free account · no payment

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:44	9:34	3.11 mi	29:44	9:34	-
10K	59:56	9:39	3.10 mi	30:12	9:43	+0:09
8M	1:14:39	9:20	1.79 mi	14:43	8:14	-1:29
10M	1:36:10	9:37	2.00 mi	21:31	10:46	+2:32
11M	1:48:05	9:50	1.00 mi	11:55	11:55	+1:09
Finish(13.11 mi)	2:15:51	10:22	2.11 mi	27:46	13:10	+1:15

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Amy's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

Checkpoints & Pacing

Pace Line

Fastest Pace

8:14 /mi

Average Pace

10:22 /mi

Slowest Pace

13:10 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:14:39

55% of race

Time at Steady Pace

21:31

16% of race

Time at Slower Pace

39:41

29% of race

Average Pace: 10:22 /mi

Loading chart...

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	2250	870	870	2250	870	870
10K	3.10 mi	2243+7	868+2	868+2	2330	914	914
8M	1.79 mi	2352-109	929-61	929-61	2918	1277	1277
10M	2.00 mi	2456-104	996-67	996-67	2858	1257	1257
11M	1.00 mi	2576-120	1069-73	1069-73	3531	1688	1688
Finish(13.11 mi)	2.11 mi	2859-283	1242-173	1242-173	3705	1806	1806

1806

Passing Analysis

No position changes recorded for this athlete.

All Results

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

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