Xiaomei Zhou

Bib: 20445F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
Masters (Masters Women)
#0 / 6539
Top 30%
Division (F45-49)
#0 / 1817
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:13
Rank: #17140
Start5K
8:26/mi
26:13 split
10K· 6.21 mi
51:51
Rank: #16814 (+326)
5K10K
8:15/mi
25:38 split
15K· 9.32 mi
1:17:14
Rank: #16425 (+389)
10K15K
8:10/mi
25:23 split
20K· 12.43 mi
1:43:14
Rank: #16335 (+90)
15K20K
8:22/mi
26:00 split
Half· 13.11 mi
1:48:48
Rank: #16278 (+57)
20KHalf
8:10/mi
5:34 split
25K· 15.53 mi
2:08:53
Rank: #16008 (+270)
Half25K
8:17/mi
20:05 split
30K· 18.64 mi
2:35:21
Rank: #15713 (+295)
25K30K
8:31/mi
26:28 split
20M
2:47:18
Rank: #15644 (+69)
30K20M
8:48/mi
11:57 split
21M
2:56:28
Rank: #15552 (+92)
20M21M
9:10/mi
9:10 split
35K· 21.75 mi
3:02:31
Rank: #15441 (+111)
21M35K
8:05/mi
6:03 split
23M
3:13:12
Rank: #15291 (+150)
35K23M
8:32/mi
10:41 split
24M
3:21:30
Rank: #15178 (+113)
23M24M
8:18/mi
8:18 split
40K· 24.85 mi
3:28:36
Rank: #15065 (+113)
24M40K
8:18/mi
7:06 split
25.2M
3:31:39
Rank: #15001 (+64)
40K25.2M
8:51/mi
3:03 split
Finish· 26.22 mi
3:39:50
Rank: #14906 (+95)
25.2MFinish
8:02/mi
8:11 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:48
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:51:02
Pace8:28 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0426:138:2626:13
8:26
-
10K
6.21 mi11:48:4251:518:2125:38
8:15
-0:11
15K
9.32 mi12:14:051:17:148:1725:23
8:10
-0:05
20K
12.43 mi12:40:051:43:148:1826:00
8:22
+0:12
Half
13.11 mi12:45:391:48:488:185:34
8:10
-0:12
25K
15.53 mi13:05:442:08:538:1820:05
8:17
+0:07
30K
18.64 mi13:32:122:35:218:2026:28
8:31
+0:14
20M
20.00 mi13:44:092:47:188:2211:57
8:48
+0:17
21M
21.00 mi13:53:192:56:288:249:10
9:10
+0:22
35K
21.75 mi13:59:223:02:318:246:03
8:05
-1:05
23M
23.00 mi14:10:033:13:128:2410:41
8:32
+0:27
24M
24.00 mi14:18:213:21:308:248:18
8:18
-0:14
40K
24.85 mi14:25:273:28:368:247:06
8:18
0:00
25.2M
25.20 mi14:28:303:31:398:243:03
8:51
+0:33
Finish
26.22 mi14:36:413:39:508:238:11
8:02
-0:49

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:02 /mi

Average Pace

8:23 /mi

Slowest Pace

9:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:37

94% of race

Time at Steady Pace

12:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:23 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:23:0426:138:2626:13
8:26
#17140
10K
6.21 mi11:48:4251:518:2125:38
8:15
#16814
15K
9.32 mi12:14:051:17:148:1725:23
8:10
#16425
20K
12.43 mi12:40:051:43:148:1826:00
8:22
#16335
Half
13.11 mi12:45:391:48:488:185:34
8:10
#16278
25K
15.53 mi13:05:442:08:538:1820:05
8:17
#16008
30K
18.64 mi13:32:122:35:218:2026:28
8:31
#15713
20M
20.00 mi13:44:092:47:188:2211:57
8:48
#15644
21M
21.00 mi13:53:192:56:288:249:10
9:10
#15552
35K
21.75 mi13:59:223:02:318:246:03
8:05
#15441
23M
23.00 mi14:10:033:13:128:2410:41
8:32
#15291
24M
24.00 mi14:18:213:21:308:248:18
8:18
#15178
40K
24.85 mi14:25:273:28:368:247:06
8:18
#15065
25.2M
25.20 mi14:28:303:31:398:243:03
8:51
#15001
Finish
26.22 mi14:36:413:39:508:238:11
8:02
#14906
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi171406022602215659(Top 59%)5085(Top 45%)5085(Top 280%)
10K6.21 mi3.10 mi16814+3265786+2365786+23616595(Top 62%)5634(Top 49%)5634(Top 310%)
15K9.32 mi3.11 mi16425+3895540+2465540+24615659(Top 59%)5085(Top 45%)5085(Top 280%)
20K12.43 mi3.11 mi16335+905511+295511+2916053(Top 60%)5381(Top 47%)5381(Top 296%)
Half13.11 mi0.68 mi16278+575473+385473+3815532(Top 58%)5004(Top 44%)5004(Top 275%)
25K15.53 mi2.42 mi16008+2705344+1295344+12914857(Top 56%)4739(Top 41%)4739(Top 261%)
30K18.64 mi3.11 mi15713+2955197+1475197+14714452(Top 54%)4596(Top 40%)4596(Top 253%)
20M20.00 mi1.36 mi15644+695178+195178+1915405(Top 58%)5215(Top 46%)5215(Top 287%)
21M21.00 mi1.00 mi15552+925145+335145+3314327(Top 54%)4675(Top 41%)4675(Top 257%)
35K21.75 mi0.75 mi15441+1115096+495096+4912771(Top 48%)3878(Top 34%)3878(Top 213%)
23M23.00 mi1.25 mi15291+1505023+735023+7313457(Top 51%)4320(Top 38%)4320(Top 238%)
24M24.00 mi1.00 mi15178+1134963+604963+6013279(Top 50%)4275(Top 37%)4275(Top 235%)
40K24.85 mi0.85 mi15065+1134915+484915+4812131(Top 46%)3756(Top 33%)3756(Top 207%)
25.2M25.20 mi0.35 mi15001+644890+254890+2511713(Top 44%)3609(Top 32%)3609(Top 199%)
Finish26.22 mi1.02 mi14906+954854+364854+3612367(Top 46%)3898(Top 34%)3898(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15659

Females

5085

F45-49

5085

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16595

Females

5634

F45-49

5634

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15659

Females

5085

F45-49

5085

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16053

Females

5381

F45-49

5381

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15532

Females

5004

F45-49

5004

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14857

Females

4739

F45-49

4739

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14452

Females

4596

F45-49

4596

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15405

Females

5215

F45-49

5215

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14327

Females

4675

F45-49

4675

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12771

Females

3878

F45-49

3878

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13457

Females

4320

F45-49

4320

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13279

Females

4275

F45-49

4275

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12131

Females

3756

F45-49

3756

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11713

Females

3609

F45-49

3609

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12367

Females

3898

F45-49

3898

Passing Analysis

Category:
Athletes Passed
2878
Passed By
644
Net Change
+2234
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17140
5K10K506180+326#17140#16814
10K15K45970+389#16814#16425
15K20K216126+90#16425#16335
20KHalf7417+57#16335#16278
Half25K29424+270#16278#16008
25K30K34752+295#16008#15713
30K20M11950+69#15713#15644
20M21M12836+92#15644#15552
21M35K1198+111#15552#15441
35K23M16818+150#15441#15291
23M24M13017+113#15291#15178
24M40K12916+113#15178#15065
40K25.2M695+64#15065#15001
25.2MFinish12025+95#15001#14906
TOTALS2878644+2234
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing