Yajing Zhang

Bib: 16558F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:37
Rank: #11578
Start5K
23:37 | 7:36/mi
10K· 6.21 mi
47:13
Rank: #11280 (+298)
5K10K
23:36 | 7:36/mi
15K· 9.32 mi
1:12:35
Rank: #12425 (-1145)
10K15K
25:22 | 8:10/mi
20K· 12.43 mi
1:43:34
Rank: #15472 (-3047)
15K20K
30:59 | 9:58/mi
Half· 13.11 mi
1:50:00
Rank: #15754 (-282)
20KHalf
6:26 | 9:26/mi
25K· 15.53 mi
2:15:15
Rank: #16868 (-1114)
Half25K
25:15 | 10:25/mi
30K· 18.64 mi
2:48:30
Rank: #17536 (-668)
25K30K
33:15 | 10:42/mi
20M
3:03:00
Rank: #17665 (-129)
30K20M
14:30 | 10:40/mi
21M
3:16:58
Rank: #18171 (-506)
20M21M
13:58 | 13:58/mi
35K· 21.75 mi
3:24:38
Rank: #18151 (+20)
21M35K
7:40 | 10:15/mi
23M
3:42:18
Rank: #18702 (-551)
35K23M
17:40 | 14:07/mi
24M
3:53:33
Rank: #18746 (-44)
23M24M
11:15 | 11:15/mi
40K· 24.85 mi
4:04:12
Rank: #18860 (-114)
24M40K
10:39 | 12:27/mi
25.2M
4:09:23
Rank: #18946 (-86)
40K25.2M
5:11 | 15:02/mi
Finish· 26.22 mi
4:17:36
Rank: #18699 (+247)
25.2MFinish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:00
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time2:27:36
Pace11:16 /mi
📊Positive Split: 34.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5923:377:3623:37
7:36
-
10K
6.21 mi11:44:3547:137:3623:36
7:36
0:00
15K
9.32 mi12:09:571:12:357:4725:22
8:10
+0:34
20K
12.43 mi12:40:561:43:348:2030:59
9:58
+1:48
Half
13.11 mi12:47:221:50:008:236:26
9:26
-0:32
25K
15.53 mi13:12:372:15:158:4225:15
10:25
+0:59
30K
18.64 mi13:45:522:48:309:0233:15
10:42
+0:17
20M
20.00 mi14:00:223:03:009:0914:30
10:40
-0:02
21M
21.00 mi14:14:203:16:589:2313:58
13:58
+3:18
35K
21.75 mi14:22:003:24:389:257:40
10:15
-3:43
23M
23.00 mi14:39:403:42:189:4017:40
14:07
+3:52
24M
24.00 mi14:50:553:53:339:4411:15
11:15
-2:52
40K
24.85 mi15:01:344:04:129:5010:39
12:27
+1:12
25.2M
25.20 mi15:06:454:09:239:545:11
15:02
+2:35
Finish
26.22 mi15:14:584:17:369:508:13
8:04
-6:58

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

7:36 /mi

Average Pace

9:50 /mi

Slowest Pace

15:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:48

31% of race

Time at Steady Pace

2:09:20

50% of race

Time at Slower Pace

47:28

18% of race

Average Pace: 9:49 /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 mi11:20:5923:377:3623:37
7:36
#11578
10K
6.21 mi11:44:3547:137:3623:36
7:36
#11280
15K
9.32 mi12:09:571:12:357:4725:22
8:10
#12425
20K
12.43 mi12:40:561:43:348:2030:59
9:58
#15472
Half
13.11 mi12:47:221:50:008:236:26
9:26
#15754
25K
15.53 mi13:12:372:15:158:4225:15
10:25
#16868
30K
18.64 mi13:45:522:48:309:0233:15
10:42
#17536
20M
20.00 mi14:00:223:03:009:0914:30
10:40
#17665
21M
21.00 mi14:14:203:16:589:2313:58
13:58
#18171
35K
21.75 mi14:22:003:24:389:257:40
10:15
#18151
23M
23.00 mi14:39:403:42:189:4017:40
14:07
#18702
24M
24.00 mi14:50:553:53:339:4411:15
11:15
#18746
40K
24.85 mi15:01:344:04:129:5010:39
12:27
#18860
25.2M
25.20 mi15:06:454:09:239:545:11
15:02
#18946
Finish
26.22 mi15:14:584:17:369:508:13
8:04
#18699
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi115782901290114522(Top 57%)4677(Top 43%)4677(Top 394%)
10K6.21 mi3.10 mi11280+2982760+1412760+14111071(Top 43%)2686(Top 25%)2686(Top 226%)
15K9.32 mi3.11 mi12425-11453426-6663426-66614522(Top 57%)4677(Top 43%)4677(Top 394%)
20K12.43 mi3.11 mi15472-30475254-18285254-182820521(Top 80%)8101(Top 74%)8101(Top 682%)
Half13.11 mi0.68 mi15754-2825429-1755429-17519842(Top 78%)7788(Top 71%)7788(Top 656%)
25K15.53 mi2.42 mi16868-11146115-6866115-68620208(Top 79%)8040(Top 74%)8040(Top 677%)
30K18.64 mi3.11 mi17536-6686552-4376552-43719272(Top 75%)7722(Top 71%)7722(Top 651%)
20M20.00 mi1.36 mi17665-1296676-1246676-12418495(Top 72%)7453(Top 68%)7453(Top 628%)
21M21.00 mi1.00 mi18171-5066976-3006976-30022280(Top 87%)9428(Top 86%)9428(Top 794%)
35K21.75 mi0.75 mi18151+206980-46980-417898(Top 70%)7284(Top 67%)7284(Top 614%)
23M23.00 mi1.25 mi18702-5517305-3257305-32523897(Top 94%)10245(Top 94%)10245(Top 863%)
24M24.00 mi1.00 mi18746-447345-407345-4019870(Top 78%)8371(Top 77%)8371(Top 705%)
40K24.85 mi0.85 mi18860-1147424-797424-7921309(Top 83%)9137(Top 84%)9137(Top 770%)
25.2M25.20 mi0.35 mi18946-867478-547478-5423060(Top 90%)9949(Top 91%)9949(Top 838%)
Finish26.22 mi1.02 mi18699+2477386+927386+928978(Top 35%)3066(Top 28%)3066(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

14522

Females

4677

F50-54

4677

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11071

Females

2686

F50-54

2686

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

14522

Females

4677

F50-54

4677

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

20521

Females

8101

F50-54

8101

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

19842

Females

7788

F50-54

7788

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

20208

Females

8040

F50-54

8040

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

19272

Females

7722

F50-54

7722

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

18495

Females

7453

F50-54

7453

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

22280

Females

9428

F50-54

9428

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

17898

Females

7284

F50-54

7284

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

23897

Females

10245

F50-54

10245

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

19870

Females

8371

F50-54

8371

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

21309

Females

9137

F50-54

9137

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23060

Females

9949

F50-54

9949

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

8978

Females

3066

F50-54

3066

Passing Analysis

Category:
Athletes Passed
1174
Passed By
8295
Net Change
-7121
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11578
5K10K442144+298#11578#11280
10K15K431188-1145#11280#12425
15K20K103057-3047#12425#15472
20KHalf5287-282#15472#15754
Half25K461160-1114#15754#16868
25K30K97765-668#16868#17536
30K20M78207-129#17536#17665
20M21M15521-506#17665#18171
21M35K7050+20#18171#18151
35K23M29580-551#18151#18702
23M24M5195-44#18702#18746
24M40K34148-114#18746#18860
40K25.2M692-86#18860#18946
25.2MFinish2481+247#18946#18699
TOTALS11748295-7121
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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