Jiangjiang Li

Bib: 7739M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:04
Rank: #14334
Start5K
7:45/mi
24:04 split
10K· 6.21 mi
48:15
Rank: #14463 (-129)
5K10K
7:47/mi
24:11 split
15K· 9.32 mi
1:12:41
Rank: #14609 (-146)
10K15K
7:52/mi
24:26 split
20K· 12.43 mi
1:37:56
Rank: #14918 (-309)
15K20K
8:08/mi
25:15 split
Half· 13.11 mi
1:43:31
Rank: #15057 (-139)
20KHalf
8:11/mi
5:35 split
25K· 15.53 mi
2:03:27
Rank: #15133 (-76)
Half25K
8:13/mi
19:56 split
30K· 18.64 mi
2:30:45
Rank: #15412 (-279)
25K30K
8:47/mi
27:18 split
20M
2:43:12
Rank: #15550 (-138)
30K20M
9:10/mi
12:27 split
21M
2:53:07
Rank: #15712 (-162)
20M21M
9:55/mi
9:55 split
35K· 21.75 mi
2:59:56
Rank: #15784 (-72)
21M35K
9:07/mi
6:49 split
23M
3:11:37
Rank: #15892 (-108)
35K23M
9:20/mi
11:41 split
24M
3:20:36
Rank: #15957 (-65)
23M24M
8:59/mi
8:59 split
40K· 24.85 mi
3:28:31
Rank: #16009 (-52)
24M40K
9:16/mi
7:55 split
25.2M
3:32:05
Rank: #16045 (-36)
40K25.2M
10:21/mi
3:34 split
Finish· 26.22 mi
3:41:32
Rank: #16254 (-209)
25.2MFinish
9:16/mi
9:27 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:31
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:58:01
Pace9:00 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:32:2324:047:4524:04
7:45
-
10K
6.21 mi10:56:3448:157:4624:11
7:47
+0:02
15K
9.32 mi11:21:001:12:417:4824:26
7:52
+0:05
20K
12.43 mi11:46:151:37:567:5325:15
8:08
+0:16
Half
13.11 mi11:51:501:43:317:545:35
8:11
+0:03
25K
15.53 mi12:11:462:03:277:5719:56
8:13
+0:02
30K
18.64 mi12:39:042:30:458:0527:18
8:47
+0:34
20M
20.00 mi12:51:312:43:128:1012:27
9:10
+0:23
21M
21.00 mi13:01:262:53:078:159:55
9:55
+0:45
35K
21.75 mi13:08:152:59:568:166:49
9:07
-0:48
23M
23.00 mi13:19:563:11:378:2011:41
9:20
+0:13
24M
24.00 mi13:28:553:20:368:228:59
8:59
-0:21
40K
24.85 mi13:36:503:28:318:237:55
9:16
+0:17
25.2M
25.20 mi13:40:243:32:058:253:34
10:21
+1:05
Finish
26.22 mi13:49:513:41:328:279:27
9:16
-1:05

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

7:45 /mi

Average Pace

8:27 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:27

56% of race

Time at Steady Pace

1:24:36

38% of race

Time at Slower Pace

13:29

6% of race

Average Pace: 8:27 /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 mi10:32:2324:047:4524:04
7:45
#14334
10K
6.21 mi10:56:3448:157:4624:11
7:47
#14463
15K
9.32 mi11:21:001:12:417:4824:26
7:52
#14609
20K
12.43 mi11:46:151:37:567:5325:15
8:08
#14918
Half
13.11 mi11:51:501:43:317:545:35
8:11
#15057
25K
15.53 mi12:11:462:03:277:5719:56
8:13
#15133
30K
18.64 mi12:39:042:30:458:0527:18
8:47
#15412
20M
20.00 mi12:51:312:43:128:1012:27
9:10
#15550
21M
21.00 mi13:01:262:53:078:159:55
9:55
#15712
35K
21.75 mi13:08:152:59:568:166:49
9:07
#15784
23M
23.00 mi13:19:563:11:378:2011:41
9:20
#15892
24M
24.00 mi13:28:553:20:368:228:59
8:59
#15957
40K
24.85 mi13:36:503:28:318:237:55
9:16
#16009
25.2M
25.20 mi13:40:243:32:058:253:34
10:21
#16045
Finish
26.22 mi13:49:513:41:328:279:27
9:16
#16254
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi14334101751017514945(Top 53%)10353(Top 64%)10353(Top 461%)
10K6.21 mi3.10 mi14463-12910210-3510210-3514658(Top 52%)10279(Top 64%)10279(Top 457%)
15K9.32 mi3.11 mi14609-14610247-3710247-3714945(Top 53%)10353(Top 64%)10353(Top 461%)
20K12.43 mi3.11 mi14918-30910335-8810335-8815828(Top 56%)10672(Top 66%)10672(Top 475%)
Half13.11 mi0.68 mi15057-13910399-6410399-6417129(Top 60%)11230(Top 70%)11230(Top 500%)
25K15.53 mi2.42 mi15133-7610407-810407-815436(Top 54%)10419(Top 65%)10419(Top 464%)
30K18.64 mi3.11 mi15412-27910471-6410471-6416509(Top 58%)10719(Top 67%)10719(Top 477%)
20M20.00 mi1.36 mi15550-13810505-3410505-3417580(Top 62%)11067(Top 69%)11067(Top 493%)
21M21.00 mi1.00 mi15712-16210524-1910524-1917956(Top 63%)11138(Top 69%)11138(Top 496%)
35K21.75 mi0.75 mi15784-7210537-1310537-1318733(Top 66%)11359(Top 71%)11359(Top 506%)
23M23.00 mi1.25 mi15892-10810544-710544-717908(Top 63%)10918(Top 68%)10918(Top 486%)
24M24.00 mi1.00 mi15957-6510560-1610560-1617256(Top 61%)10586(Top 66%)10586(Top 471%)
40K24.85 mi0.85 mi16009-5210557+310557+317624(Top 62%)10645(Top 66%)10645(Top 474%)
25.2M25.20 mi0.35 mi16045-3610562-510562-518397(Top 65%)11005(Top 68%)11005(Top 490%)
Finish26.22 mi1.02 mi16254-20910637-7510637-7520246(Top 71%)11920(Top 74%)11920(Top 530%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14945

Males

10353

M40-44

10353

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14658

Males

10279

M40-44

10279

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14945

Males

10353

M40-44

10353

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15828

Males

10672

M40-44

10672

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

17129

Males

11230

M40-44

11230

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15436

Males

10419

M40-44

10419

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16509

Males

10719

M40-44

10719

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17580

Males

11067

M40-44

11067

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

17956

Males

11138

M40-44

11138

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18733

Males

11359

M40-44

11359

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

17908

Males

10918

M40-44

10918

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17256

Males

10586

M40-44

10586

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17624

Males

10645

M40-44

10645

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18397

Males

11005

M40-44

11005

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20246

Males

11920

M40-44

11920

Passing Analysis

Category:
Athletes Passed
1267
Passed By
3187
Net Change
-1920
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14334
5K10K235364-129#14334#14463
10K15K154300-146#14463#14609
15K20K132441-309#14609#14918
20KHalf11150-139#14918#15057
Half25K144220-76#15057#15133
25K30K162441-279#15133#15412
30K20M81219-138#15412#15550
20M21M72234-162#15550#15712
21M35K44116-72#15712#15784
35K23M83191-108#15784#15892
23M24M46111-65#15892#15957
24M40K60112-52#15957#16009
40K25.2M2056-36#16009#16045
25.2MFinish23232-209#16045#16254
TOTALS12673187-1920
📊

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