Hai Jiang

Bib: 11879M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 26%
Gender (Male)
#0 / 14578
Top 38%
Masters (Masters Men)
#0 / 9729
Top 27%
Division (M50-54)
#0 / 1935
Top 24%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:31
Rank: #6548
Start5K
6:56/mi
21:31 split
10K· 6.21 mi
43:21
Rank: #6687 (-139)
5K10K
7:02/mi
21:50 split
15K· 9.32 mi
1:05:13
Rank: #6586 (+101)
10K15K
7:02/mi
21:52 split
20K· 12.43 mi
1:27:21
Rank: #6361 (+225)
15K20K
7:07/mi
22:08 split
Half· 13.11 mi
1:32:16
Rank: #6371 (-10)
20KHalf
7:12/mi
4:55 split
25K· 15.53 mi
1:50:09
Rank: #6270 (+101)
Half25K
7:23/mi
17:53 split
30K· 18.64 mi
2:14:20
Rank: #6212 (+58)
25K30K
7:47/mi
24:11 split
20M
2:25:15
Rank: #6191 (+21)
30K20M
8:02/mi
10:55 split
21M
2:33:57
Rank: #6150 (+41)
20M21M
8:42/mi
8:42 split
35K· 21.75 mi
2:40:02
Rank: #6180 (-30)
21M35K
8:08/mi
6:05 split
23M
2:50:42
Rank: #6219 (-39)
35K23M
8:31/mi
10:40 split
24M
2:59:10
Rank: #6266 (-47)
23M24M
8:28/mi
8:28 split
40K· 24.85 mi
3:06:42
Rank: #6356 (-90)
24M40K
8:49/mi
7:32 split
25.2M
3:10:10
Rank: #6426 (-70)
40K25.2M
10:03/mi
3:28 split
Finish· 26.22 mi
3:19:23
Rank: #6751 (-325)
25.2MFinish
9:03/mi
9:13 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:16
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:47:07
Pace8:10 /mi
📊Positive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3121:316:5621:31
6:56
-
10K
6.21 mi11:11:2143:216:5921:50
7:02
+0:06
15K
9.32 mi11:33:131:05:137:0021:52
7:02
0:00
20K
12.43 mi11:55:211:27:217:0222:08
7:07
+0:05
Half
13.11 mi12:00:161:32:167:024:55
7:12
+0:05
25K
15.53 mi12:18:091:50:097:0517:53
7:23
+0:11
30K
18.64 mi12:42:202:14:207:1224:11
7:47
+0:24
20M
20.00 mi12:53:152:25:157:1610:55
8:02
+0:15
21M
21.00 mi13:01:572:33:577:208:42
8:42
+0:40
35K
21.75 mi13:08:022:40:027:226:05
8:08
-0:34
23M
23.00 mi13:18:422:50:427:2510:40
8:31
+0:23
24M
24.00 mi13:27:102:59:107:288:28
8:28
-0:03
40K
24.85 mi13:34:423:06:427:317:32
8:49
+0:21
25.2M
25.20 mi13:38:103:10:107:333:28
10:03
+1:14
Finish
26.22 mi13:47:233:19:237:379:13
9:03
-1:00

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

6:56 /mi

Average Pace

7:37 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:09

55% of race

Time at Steady Pace

49:39

25% of race

Time at Slower Pace

39:35

20% of race

Average Pace: 7:36 /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 mi10:49:3121:316:5621:31
6:56
#6548
10K
6.21 mi11:11:2143:216:5921:50
7:02
#6687
15K
9.32 mi11:33:131:05:137:0021:52
7:02
#6586
20K
12.43 mi11:55:211:27:217:0222:08
7:07
#6361
Half
13.11 mi12:00:161:32:167:024:55
7:12
#6371
25K
15.53 mi12:18:091:50:097:0517:53
7:23
#6270
30K
18.64 mi12:42:202:14:207:1224:11
7:47
#6212
20M
20.00 mi12:53:152:25:157:1610:55
8:02
#6191
21M
21.00 mi13:01:572:33:577:208:42
8:42
#6150
35K
21.75 mi13:08:022:40:027:226:05
8:08
#6180
23M
23.00 mi13:18:422:50:427:2510:40
8:31
#6219
24M
24.00 mi13:27:102:59:107:288:28
8:28
#6266
40K
24.85 mi13:34:423:06:427:317:32
8:49
#6356
25.2M
25.20 mi13:38:103:10:107:333:28
10:03
#6426
Finish
26.22 mi13:47:233:19:237:379:13
9:03
#6751
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6548583758376438(Top 25%)5694(Top 39%)5694(Top 294%)
10K6.21 mi3.10 mi6687-1395930-935930-936835(Top 27%)6003(Top 41%)6003(Top 310%)
15K9.32 mi3.11 mi6586+1015838+925838+926438(Top 25%)5694(Top 39%)5694(Top 294%)
20K12.43 mi3.11 mi6361+2255652+1865652+1865950(Top 23%)5286(Top 36%)5286(Top 273%)
Half13.11 mi0.68 mi6371-10565256526987(Top 27%)5981(Top 41%)5981(Top 309%)
25K15.53 mi2.42 mi6270+1015549+1035549+1036254(Top 24%)5347(Top 37%)5347(Top 276%)
30K18.64 mi3.11 mi6212+585449+1005449+1006613(Top 26%)5394(Top 37%)5394(Top 279%)
20M20.00 mi1.36 mi6191+215398+515398+516948(Top 27%)5404(Top 37%)5404(Top 279%)
21M21.00 mi1.00 mi6150+415342+565342+567125(Top 28%)5341(Top 37%)5341(Top 276%)
35K21.75 mi0.75 mi6180-305336+65336+68536(Top 33%)6024(Top 41%)6024(Top 311%)
23M23.00 mi1.25 mi6219-395310+265310+268566(Top 34%)5884(Top 40%)5884(Top 304%)
24M24.00 mi1.00 mi6266-475312-25312-29231(Top 36%)6148(Top 42%)6148(Top 318%)
40K24.85 mi0.85 mi6356-905336-245336-249915(Top 39%)6355(Top 44%)6355(Top 328%)
25.2M25.20 mi0.35 mi6426-705358-225358-2211081(Top 43%)6906(Top 47%)6906(Top 357%)
Finish26.22 mi1.02 mi6751-3255530-1725530-17214386(Top 56%)8678(Top 60%)8678(Top 448%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6438

Males

5694

M50-54

5694

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

6835

Males

6003

M50-54

6003

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6438

Males

5694

M50-54

5694

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

5950

Males

5286

M50-54

5286

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

6987

Males

5981

M50-54

5981

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6254

Males

5347

M50-54

5347

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6613

Males

5394

M50-54

5394

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

6948

Males

5404

M50-54

5404

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7125

Males

5341

M50-54

5341

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8536

Males

6024

M50-54

6024

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

8566

Males

5884

M50-54

5884

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9231

Males

6148

M50-54

6148

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

9915

Males

6355

M50-54

6355

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11081

Males

6906

M50-54

6906

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14386

Males

8678

M50-54

8678

Passing Analysis

Category:
Athletes Passed
1667
Passed By
1870
Net Change
-203
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6548
5K10K144283-139#6548#6687
10K15K202101+101#6687#6586
15K20K28762+225#6586#6361
20KHalf2737-10#6361#6371
Half25K19089+101#6371#6270
25K30K257199+58#6270#6212
30K20M11493+21#6212#6191
20M21M11978+41#6191#6150
21M35K6393-30#6150#6180
35K23M107146-39#6180#6219
23M24M67114-47#6219#6266
24M40K51141-90#6266#6356
40K25.2M1888-70#6356#6426
25.2MFinish21346-325#6426#6751
TOTALS16671870-203
📊

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