Shirling Tsai

Dallas, TX

Bib: 401 F 48

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 3874

Top 28%

Gender (Female)

#0 / 1189

Top 18%

Masters (Masters Women)

#0 / 276

Top 12%

Division (F45-49)

#0 / 73

Top 11%

Race Day Weather

31°/21°F

few clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

472 ft elev

5K· 3.11 mi

9:06/mi

28:17

↑ 141 ft↓ 118 ft0.1% grade

491 ft elev

10K· 6.21 mi

8:49/mi

55:41

↑ 135 ft↓ 59 ft0.5% grade

565 ft elev

15K· 9.32 mi

8:49/mi

1:23:06

↑ 119 ft↓ 113 ft

573 ft elev

20K· 12.43 mi

8:44/mi

1:50:13

↑ 98 ft↓ 187 ft0.5% grade

481 ft elev

13.1M

9:06/mi

1:56:20

↓ 13 ft0.1% grade

475 ft elev

25K· 15.53 mi

9:18/mi

2:18:58

↑ 52 ft↓ 68 ft0.1% grade

459 ft elev

31K· 19.26 mi

8:32/mi

2:50:46

↑ 153 ft↓ 78 ft0.4% grade

541 ft elev

36K· 22.37 mi

10:26/mi

3:23:11

↑ 64 ft↓ 154 ft0.5% grade

457 ft elev

Finish· 26.22 mi

9:04/mi

3:58:04

↑ 79 ft↓ 112 ft0.2% grade

427 ft elev

Course Elevation

367–604 ft

≈

×20story building

•▲ 872 ft climb · ▼ 918 ft descent

The Course

Half Splits

1st Half· via 13.1M

1:56:208:53 /mi⚡ faster

2nd Half

2:01:449:17 /mi+4.6%

Positive split — 4.6% slower in the second half

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Your race, unpacked

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	28:17	9:06	3.11 mi	28:17	9:06	-
10K	55:41	8:58	3.10 mi	27:24	8:49	-0:17
15K	1:23:06	8:55	3.11 mi	27:25	8:49	0:00
20K	1:50:13	8:52	3.11 mi	27:07	8:44	-0:05
13.1M	1:56:20	8:53	0.67 mi	6:07	9:06	+0:22
25K	2:18:58	8:57	2.43 mi	22:38	9:18	+0:12
31K	2:50:46	8:52	3.73 mi	31:48	8:32	-0:46
36K	3:23:11	9:05	3.11 mi	32:25	10:26	+1:54
Finish(26.22 mi)	3:58:04	9:05	3.85 mi	34:53	9:04	-1:22

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:32 /mi

Average Pace

9:05 /mi

Slowest Pace

10:26 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

58:55

25% of race

Time at Steady Pace

2:26:44

62% of race

Time at Slower Pace

32:25

14% of race

Average Pace: 9:05 /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	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
5K	3.11 mi	1284	251	13	1307	248	9
10K	3.10 mi	1188+96	224+27	10+3	1117	207	8
15K	3.11 mi	1217-29	227-3	8+2	1307	248	9
20K	3.11 mi	1144+73	213+14	8	1024	182	7
13.1M	0.67 mi	1142+2	212+1	8	1241	230	11
25K	2.43 mi	1149-7	213-1	9-1	1263	244	11
31K	3.73 mi	1172-23	221-8	9	1272	265	12
36K	3.11 mi	1162+10	225-4	10-1	1154	243	11
Finish(26.22 mi)	3.85 mi	1102+60	216+9	9+1	912	192	8

F45-49

Passing Analysis

Category:

▲Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#1284
5K → 10K	15111+96	#1284 → #1188
10K → 15K	6132-29	#1188 → #1217
15K → 20K	477+73	#1217 → #1144
20K → 13.1M	810+2	#1144 → #1142
13.1M → 25K	2922-7	#1142 → #1149
25K → 31K	5633-23	#1149 → #1172
31K → 36K	4454+10	#1172 → #1162
36K → Finish	1878+60	#1162 → #1102
TOTALS	235417+182	#1284 → #1102

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed 15 days ago

Official Timing Data

Enhanced athlete results built from official timing data.

Race managed by

Dallas White Rock Marathon

Race timed by

MyChipTime

Shirling Tsai

Race Timeline

The Course

Half Splits

Your race, unpacked

Checkpoint Splits

Checkpoints & Pacing

Pace Line

Segments

Heatmap

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→13.1M

13.1M→25K

25K→31K

31K→36K

36K→Finish