Joo Song

Collierville, TN

Bib: 1130 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 1846

Top 40%

Gender (Female)

#0 / 685

Top 28%

Masters (Masters Women)

#0 / 230

Top 26%

Division (F40-44)

#0 / 84

Top 30%

Race Day Weather

33°/23°F

few clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

256 ft elev

5K· 3.11 mi

9:41/mi

30:05

↑ 121 ft↓ 76 ft0.3% grade

300 ft elev

4.8M

9:41/mi

46:28

↑ 52 ft↓ 51 ft

295 ft elev

10K· 6.21 mi

10:21/mi

1:01:06

↑ 48 ft↓ 57 ft0.1% grade

286 ft elev

10:41/mi

1:20:11

↑ 36 ft↓ 78 ft0.4% grade

241 ft elev

10M

8:18/mi

1:36:47

↑ 54 ft↓ 40 ft0.1% grade

255 ft elev

11M

9:38/mi

1:46:25

↑ 41 ft↓ 25 ft0.3% grade

272 ft elev

13.1M

11:10/mi

2:09:51

↑ 54 ft↓ 70 ft0.1% grade

256 ft elev

17M

9:33/mi

2:47:07

↑ 84 ft↓ 86 ft

252 ft elev

30K· 18.64 mi

10:25/mi

3:04:12

↑ 64 ft↓ 44 ft0.2% grade

274 ft elev

22.5M

9:52/mi

3:42:18

↑ 88 ft↓ 91 ft

274 ft elev

Finish· 26.22 mi

10:05/mi

4:19:48

↑ 119 ft↓ 153 ft0.2% grade

237 ft elev

Course Elevation

227–310 ft

≈

×7story building

•▲ 770 ft climb · ▼ 789 ft descent

The Course

Half Splits

1st Half· via 13.1M

2:09:519:55 /mi⚖️ balanced

2nd Half

2:09:579:54 /mi⚖️ balanced

Even split — consistent pacing between halves

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	30:05	9:41	3.11 mi	30:05	9:41	-
4.8M	46:28	9:41	1.69 mi	16:23	9:41	0:00
10K	1:01:06	9:50	1.41 mi	14:38	10:21	+0:40
8M	1:20:11	10:01	1.79 mi	19:05	10:41	+0:20
10M	1:36:47	9:41	2.00 mi	16:36	8:18	-2:23
11M	1:46:25	9:40	1.00 mi	9:38	9:38	+1:20
13.1M	2:09:51	9:55	2.10 mi	23:26	11:10	+1:32
17M	2:47:07	9:50	3.90 mi	37:16	9:33	-1:37
30K	3:04:12	9:53	1.64 mi	17:05	10:25	+0:52
22.5M	3:42:18	9:53	3.86 mi	38:06	9:52	-0:33
Finish(26.22 mi)	4:19:48	9:55	3.72 mi	37:30	10:05	+0:13

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

8:18 /mi

Average Pace

9:55 /mi

Slowest Pace

11:10 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

16:36

6% of race

Time at Steady Pace

2:48:58

65% of race

Time at Slower Pace

1:14:14

29% of race

Average Pace: 9:55 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

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	932	232	232	932	232	232
4.8M	1.69 mi	996-64	256-24	256-24	1123	314	314
10K	1.41 mi	996	258-2	258-2	1011	258	258
8M	1.79 mi	1050-54	278-20	278-20	1123	314	314
10M	2.00 mi	1015+35	259+19	259+19	878	218	218
11M	1.00 mi	1007+8	258+1	258+1	919	225	225
13.1M	2.10 mi	948+59	238+20	238+20	804	190	190
17M	3.90 mi	873+75	218+20	218+20	709	163	163
30K	1.64 mi	837+36	206+12	206+12	627	152	152
22.5M	3.86 mi	766+71	192+14	192+14	556	143	143
Finish(26.22 mi)	3.72 mi	741+25	190+2	190+2	661	208	208

208

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#932
5K → 4.8M	7410-64	#932 → #996
4.8M → 10K	13130	#996 → #996
10K → 8M	595-54	#996 → #1050
8M → 10M	136+35	#1050 → #1015
10M → 11M	412+8	#1015 → #1007
11M → 13.1M	059*+59	#1007 → #948
13.1M → 17M	075*+75	#948 → #873
17M → 30K	036+36	#873 → #837
30K → 22.5M	374*+71	#837 → #766
22.5M → Finish	1136+25	#766 → #741
TOTALS	165356*+191	#932 → #741

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed 14 days ago

Official Timing Data

Enhanced athlete results built from official timing data.

Race managed by

ALSAC / St. Jude Children's Research Hospital

Race timed by

Sportstats