Jianhua Zhang

Bib: 28820F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:06
Rank: #20267
Start5K
9:03/mi
28:06 split
10K· 6.21 mi
59:34
Rank: #21780 (-1513)
5K10K
10:08/mi
31:28 split
15K· 9.32 mi
1:34:47
Rank: #22861 (-1081)
10K15K
11:20/mi
35:13 split
20K· 12.43 mi
2:13:05
Rank: #23447 (-586)
15K20K
12:20/mi
38:18 split
Half· 13.11 mi
2:22:03
Rank: #23645 (-198)
20KHalf
13:09/mi
8:58 split
25K· 15.53 mi
2:56:17
Rank: #24023 (-378)
Half25K
14:07/mi
34:14 split
30K· 18.64 mi
3:44:58
Rank: #24373 (-350)
25K30K
15:40/mi
48:41 split
20M
4:06:52
Rank: #24507 (-134)
30K20M
16:07/mi
21:54 split
21M
4:22:33
Rank: #24507
20M21M
15:41/mi
15:41 split
35K· 21.75 mi
4:32:08
Rank: #24471 (+36)
21M35K
12:49/mi
9:35 split
23M
4:48:36
Rank: #24428 (+43)
35K23M
13:09/mi
16:28 split
24M
5:02:37
Rank: #24435 (-7)
23M24M
14:01/mi
14:01 split
40K· 24.85 mi
5:15:02
Rank: #24437 (-2)
24M40K
14:31/mi
12:25 split
25.2M
5:20:28
Rank: #24447 (-10)
40K25.2M
15:45/mi
5:26 split
Finish· 26.22 mi
5:32:49
Rank: #24436 (+11)
25.2MFinish
12:07/mi
12:21 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:03
Pace10:50 /mi
2nd Half
Distance13.11 mi
Time3:10:46
Pace14:33 /mi
📊Positive Split: 34.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3928:069:0328:06
9:03
-
10K
6.21 mi12:19:0759:349:3531:28
10:08
+1:05
15K
9.32 mi12:54:201:34:4710:1035:13
11:20
+1:12
20K
12.43 mi13:32:382:13:0510:4338:18
12:20
+1:00
Half
13.11 mi13:41:362:22:0310:508:58
13:09
+0:49
25K
15.53 mi14:15:502:56:1711:2134:14
14:07
+0:58
30K
18.64 mi15:04:313:44:5812:0448:41
15:40
+1:33
20M
20.00 mi15:26:254:06:5212:2121:54
16:07
+0:27
21M
21.00 mi15:42:064:22:3312:3015:41
15:41
-0:26
35K
21.75 mi15:51:414:32:0812:319:35
12:49
-2:52
23M
23.00 mi16:08:094:48:3612:3316:28
13:09
+0:20
24M
24.00 mi16:22:105:02:3712:3714:01
14:01
+0:52
40K
24.85 mi16:34:355:15:0212:4012:25
14:31
+0:30
25.2M
25.20 mi16:40:015:20:2812:435:26
15:45
+1:14
Finish
26.22 mi16:52:225:32:4912:4212:21
12:07
-3:38

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

9:03 /mi

Average Pace

12:42 /mi

Slowest Pace

16:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:08

32% of race

Time at Steady Pace

2:01:34

37% of race

Time at Slower Pace

1:44:07

31% of race

Average Pace: 12:42 /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 mi11:47:3928:069:0328:06
9:03
#20267
10K
6.21 mi12:19:0759:349:3531:28
10:08
#21780
15K
9.32 mi12:54:201:34:4710:1035:13
11:20
#22861
20K
12.43 mi13:32:382:13:0510:4338:18
12:20
#23447
Half
13.11 mi13:41:362:22:0310:508:58
13:09
#23645
25K
15.53 mi14:15:502:56:1711:2134:14
14:07
#24023
30K
18.64 mi15:04:313:44:5812:0448:41
15:40
#24373
20M
20.00 mi15:26:254:06:5212:2121:54
16:07
#24507
21M
21.00 mi15:42:064:22:3312:3015:41
15:41
#24507
35K
21.75 mi15:51:414:32:0812:319:35
12:49
#24471
23M
23.00 mi16:08:094:48:3612:3316:28
13:09
#24428
24M
24.00 mi16:22:105:02:3712:3714:01
14:01
#24435
40K
24.85 mi16:34:355:15:0212:4012:25
14:31
#24437
25.2M
25.20 mi16:40:015:20:2812:435:26
15:45
#24447
Finish
26.22 mi16:52:225:32:4912:4212:21
12:07
#24436
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi202678023802324110(Top 94%)10036(Top 92%)10036(Top 573%)
10K6.21 mi3.10 mi21780-15138791-7688791-76822821(Top 89%)9348(Top 86%)9348(Top 533%)
15K9.32 mi3.11 mi22861-10819335-5449335-54424110(Top 94%)10036(Top 92%)10036(Top 573%)
20K12.43 mi3.11 mi23447-5869676-3419676-34124316(Top 95%)10187(Top 93%)10187(Top 581%)
Half13.11 mi0.68 mi23645-1989776-1009776-10025217(Top 99%)10752(Top 98%)10752(Top 613%)
25K15.53 mi2.42 mi24023-3789998-2229998-22224991(Top 98%)10625(Top 97%)10625(Top 606%)
30K18.64 mi3.11 mi24373-35010219-22110219-22125242(Top 99%)10802(Top 99%)10802(Top 616%)
20M20.00 mi1.36 mi24507-13410314-9510314-9525217(Top 99%)10802(Top 99%)10802(Top 616%)
21M21.00 mi1.00 mi2450710322-810322-824244(Top 95%)10387(Top 95%)10387(Top 593%)
35K21.75 mi0.75 mi24471+3610303+1910303+1923031(Top 90%)9839(Top 90%)9839(Top 561%)
23M23.00 mi1.25 mi24428+4310281+2210281+2222774(Top 89%)9739(Top 89%)9739(Top 556%)
24M24.00 mi1.00 mi24435-710296-1510296-1524203(Top 95%)10443(Top 96%)10443(Top 596%)
40K24.85 mi0.85 mi24437-210313-1710313-1724155(Top 95%)10441(Top 96%)10441(Top 596%)
25.2M25.20 mi0.35 mi24447-1010322-910322-923855(Top 93%)10310(Top 94%)10310(Top 588%)
Finish26.22 mi1.02 mi24436+1110326-410326-423399(Top 92%)10121(Top 93%)10121(Top 577%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

24110

Females

10036

F45-49

10036

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

22821

Females

9348

F45-49

9348

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

24110

Females

10036

F45-49

10036

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

24316

Females

10187

F45-49

10187

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

25217

Females

10752

F45-49

10752

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

24991

Females

10625

F45-49

10625

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

25242

Females

10802

F45-49

10802

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

25217

Females

10802

F45-49

10802

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

24244

Females

10387

F45-49

10387

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23031

Females

9839

F45-49

9839

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

22774

Females

9739

F45-49

9739

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

24203

Females

10443

F45-49

10443

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

24155

Females

10441

F45-49

10441

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

23855

Females

10310

F45-49

10310

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

23399

Females

10121

F45-49

10121

Passing Analysis

Category:
Athletes Passed
351
Passed By
4520
Net Change
-4169
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20267
5K10K141527-1513#20267#21780
10K15K171098-1081#21780#22861
15K20K38624-586#22861#23447
20KHalf4202-198#23447#23645
Half25K25403-378#23645#24023
25K30K24374-350#24023#24373
30K20M13147-134#24373#24507
20M21M38380#24507#24507
21M35K437+36#24507#24471
35K23M496+43#24471#24428
23M24M2229-7#24428#24435
24M40K3234-2#24435#24437
40K25.2M515-10#24437#24447
25.2MFinish2716+11#24447#24436
TOTALS3514520-4169
📊

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