Claire Zhang

Bib: 21017F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Top 45%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:06
Rank: #17233
Start5K
26:06 | 8:24/mi
10K· 6.21 mi
52:25
Rank: #17140 (+93)
5K10K
26:19 | 8:28/mi
15K· 9.32 mi
1:19:04
Rank: #16975 (+165)
10K15K
26:39 | 8:35/mi
20K· 12.43 mi
1:46:28
Rank: #16821 (+154)
15K20K
27:24 | 8:49/mi
Half· 13.11 mi
1:52:28
Rank: #16830 (-9)
20KHalf
6:00 | 8:48/mi
25K· 15.53 mi
2:19:06
Rank: #18093 (-1263)
Half25K
26:38 | 10:59/mi
30K· 18.64 mi
2:52:03
Rank: #18384 (-291)
25K30K
32:57 | 10:36/mi
20M
3:05:15
Rank: #18165 (+219)
30K20M
13:12 | 9:43/mi
21M
3:15:06
Rank: #17819 (+346)
20M21M
9:51 | 9:51/mi
35K· 21.75 mi
3:23:08
Rank: #17892 (-73)
21M35K
8:02 | 10:44/mi
23M
3:39:06
Rank: #18240 (-348)
35K23M
15:58 | 12:45/mi
24M
3:48:31
Rank: #18062 (+178)
23M24M
9:25 | 9:25/mi
40K· 24.85 mi
3:56:42
Rank: #17875 (+187)
24M40K
8:11 | 9:34/mi
25.2M
4:00:28
Rank: #17812 (+63)
40K25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
4:11:26
Rank: #17900 (-88)
25.2MFinish
10:58 | 10:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:28
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:18:58
Pace10:36 /mi
📊Positive Split: 23.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5226:068:2426:06
8:24
-
10K
6.21 mi11:49:1152:258:2626:19
8:28
+0:04
15K
9.32 mi12:15:501:19:048:2926:39
8:35
+0:07
20K
12.43 mi12:43:141:46:288:3427:24
8:49
+0:14
Half
13.11 mi12:49:141:52:288:356:00
8:48
-0:01
25K
15.53 mi13:15:522:19:068:5726:38
10:59
+2:11
30K
18.64 mi13:48:492:52:039:1432:57
10:36
-0:23
20M
20.00 mi14:02:013:05:159:1613:12
9:43
-0:53
21M
21.00 mi14:11:523:15:069:179:51
9:51
+0:08
35K
21.75 mi14:19:543:23:089:208:02
10:44
+0:53
23M
23.00 mi14:35:523:39:069:3215:58
12:45
+2:01
24M
24.00 mi14:45:173:48:319:319:25
9:25
-3:20
40K
24.85 mi14:53:283:56:429:318:11
9:34
+0:09
25.2M
25.20 mi14:57:144:00:289:333:46
10:55
+1:21
Finish
26.22 mi15:08:124:11:269:3610:58
10:46
-0:09

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

8:24 /mi

Average Pace

9:36 /mi

Slowest Pace

12:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:28

45% of race

Time at Steady Pace

40:39

16% of race

Time at Slower Pace

1:38:19

39% of race

Average Pace: 9:35 /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 mi11:22:5226:068:2426:06
8:24
#17233
10K
6.21 mi11:49:1152:258:2626:19
8:28
#17140
15K
9.32 mi12:15:501:19:048:2926:39
8:35
#16975
20K
12.43 mi12:43:141:46:288:3427:24
8:49
#16821
Half
13.11 mi12:49:141:52:288:356:00
8:48
#16830
25K
15.53 mi13:15:522:19:068:5726:38
10:59
#18093
30K
18.64 mi13:48:492:52:039:1432:57
10:36
#18384
20M
20.00 mi14:02:013:05:159:1613:12
9:43
#18165
21M
21.00 mi14:11:523:15:069:179:51
9:51
#17819
35K
21.75 mi14:19:543:23:089:208:02
10:44
#17892
23M
23.00 mi14:35:523:39:069:3215:58
12:45
#18240
24M
24.00 mi14:45:173:48:319:319:25
9:25
#18062
40K
24.85 mi14:53:283:56:429:318:11
9:34
#17875
25.2M
25.20 mi14:57:144:00:289:333:46
10:55
#17812
Finish
26.22 mi15:08:124:11:269:3610:58
10:46
#17900
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi172336298629816846(Top 66%)6050(Top 55%)6050(Top 691%)
10K6.21 mi3.10 mi17140+936236+626236+6217100(Top 67%)6189(Top 57%)6189(Top 707%)
15K9.32 mi3.11 mi16975+1656132+1046132+10416846(Top 66%)6050(Top 55%)6050(Top 691%)
20K12.43 mi3.11 mi16821+1546059+736059+7316508(Top 65%)5901(Top 54%)5901(Top 674%)
Half13.11 mi0.68 mi16830-96071-126071-1217361(Top 68%)6439(Top 59%)6439(Top 735%)
25K15.53 mi2.42 mi18093-12636818-7476818-74721462(Top 84%)8717(Top 80%)8717(Top 995%)
30K18.64 mi3.11 mi18384-2917041-2237041-22319031(Top 74%)7587(Top 69%)7587(Top 866%)
20M20.00 mi1.36 mi18165+2196954+876954+8715425(Top 60%)5921(Top 54%)5921(Top 676%)
21M21.00 mi1.00 mi17819+3466799+1556799+15512392(Top 49%)4473(Top 41%)4473(Top 511%)
35K21.75 mi0.75 mi17892-736857-586857-5819196(Top 75%)7923(Top 73%)7923(Top 904%)
23M23.00 mi1.25 mi18240-3487052-1957052-19522133(Top 87%)9431(Top 86%)9431(Top 1077%)
24M24.00 mi1.00 mi18062+1786986+666986+6614155(Top 55%)5524(Top 51%)5524(Top 631%)
40K24.85 mi0.85 mi17875+1876921+656921+6513415(Top 53%)5253(Top 48%)5253(Top 600%)
25.2M25.20 mi0.35 mi17812+636894+276894+2714292(Top 56%)5715(Top 52%)5715(Top 652%)
Finish26.22 mi1.02 mi17900-886971-776971-7720722(Top 81%)8832(Top 81%)8832(Top 1008%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

16846

Females

6050

F55-59

6050

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17100

Females

6189

F55-59

6189

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

16846

Females

6050

F55-59

6050

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

16508

Females

5901

F55-59

5901

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

17361

Females

6439

F55-59

6439

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

21462

Females

8717

F55-59

8717

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19031

Females

7587

F55-59

7587

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15425

Females

5921

F55-59

5921

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

12392

Females

4473

F55-59

4473

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19196

Females

7923

F55-59

7923

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

22133

Females

9431

F55-59

9431

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14155

Females

5524

F55-59

5524

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

13415

Females

5253

F55-59

5253

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14292

Females

5715

F55-59

5715

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

20722

Females

8832

F55-59

8832

Passing Analysis

Category:
Athletes Passed
2352
Passed By
3019
Net Change
-667
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17233
5K10K325232+93#17233#17140
10K15K314149+165#17140#16975
15K20K330176+154#16975#16821
20KHalf3746-9#16821#16830
Half25K301293-1263#16830#18093
25K30K157448-291#18093#18384
30K20M23112+219#18384#18165
20M21M3471+346#18165#17819
21M35K43116-73#17819#17892
35K23M44392-348#17892#18240
23M24M1879+178#18240#18062
24M40K1925+187#18062#17875
40K25.2M663+63#17875#17812
25.2MFinish49137-88#17812#17900
TOTALS23523019-667
📊

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