Jianxin Li

Bib: 11941M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:48
Rank: #18733
Start5K
25:48 | 8:18/mi
10K· 6.21 mi
52:59
Rank: #19988 (-1255)
5K10K
27:11 | 8:45/mi
15K· 9.32 mi
1:19:01
Rank: #19523 (+465)
10K15K
26:02 | 8:23/mi
20K· 12.43 mi
1:46:40
Rank: #19785 (-262)
15K20K
27:39 | 8:54/mi
Half· 13.11 mi
1:53:50
Rank: #20312 (-527)
20KHalf
7:10 | 10:30/mi
25K· 15.53 mi
2:12:58
Rank: #19257 (+1055)
Half25K
19:08 | 7:53/mi
30K· 18.64 mi
2:47:01
Rank: #20680 (-1423)
25K30K
34:03 | 10:58/mi
20M
2:59:57
Rank: #20539 (+141)
30K20M
12:56 | 9:31/mi
21M
3:11:01
Rank: #20627 (-88)
20M21M
11:04 | 11:04/mi
35K· 21.75 mi
3:16:52
Rank: #20346 (+281)
21M35K
5:51 | 7:49/mi
23M
3:26:40
Rank: #19841 (+505)
35K23M
9:48 | 7:50/mi
24M
3:34:10
Rank: #19418 (+423)
23M24M
7:30 | 7:30/mi
40K· 24.85 mi
3:40:39
Rank: #19030 (+388)
24M40K
6:29 | 7:35/mi
25.2M
3:43:25
Rank: #18865 (+165)
40K25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:50:55
Rank: #18527 (+338)
25.2MFinish
7:30 | 7:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:50
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time1:57:05
Pace8:56 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2525:488:1825:48
8:18
-
10K
6.21 mi11:44:3652:598:3227:11
8:45
+0:27
15K
9.32 mi12:10:381:19:018:2926:02
8:23
-0:22
20K
12.43 mi12:38:171:46:408:3527:39
8:54
+0:31
Half
13.11 mi12:45:271:53:508:417:10
10:30
+1:36
25K
15.53 mi13:04:352:12:588:3419:08
7:53
-2:37
30K
18.64 mi13:38:382:47:018:5834:03
10:58
+3:05
20M
20.00 mi13:51:342:59:579:0012:56
9:31
-1:27
21M
21.00 mi14:02:383:11:019:0611:04
11:04
+1:33
35K
21.75 mi14:08:293:16:529:035:51
7:49
-3:15
23M
23.00 mi14:18:173:26:408:599:48
7:50
+0:01
24M
24.00 mi14:25:473:34:108:557:30
7:30
-0:20
40K
24.85 mi14:32:163:40:398:536:29
7:35
+0:05
25.2M
25.20 mi14:35:023:43:258:522:46
8:01
+0:26
Finish
26.22 mi14:42:323:50:558:497:30
7:22
-0:39

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

7:22 /mi

Average Pace

8:49 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:29

9% of race

Time at Steady Pace

2:24:13

62% of race

Time at Slower Pace

1:05:13

28% of race

Average Pace: 8:48 /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 mi11:17:2525:488:1825:48
8:18
#18733
10K
6.21 mi11:44:3652:598:3227:11
8:45
#19988
15K
9.32 mi12:10:381:19:018:2926:02
8:23
#19523
20K
12.43 mi12:38:171:46:408:3527:39
8:54
#19785
Half
13.11 mi12:45:271:53:508:417:10
10:30
#20312
25K
15.53 mi13:04:352:12:588:3419:08
7:53
#19257
30K
18.64 mi13:38:382:47:018:5834:03
10:58
#20680
20M
20.00 mi13:51:342:59:579:0012:56
9:31
#20539
21M
21.00 mi14:02:383:11:019:0611:04
11:04
#20627
35K
21.75 mi14:08:293:16:529:035:51
7:49
#20346
23M
23.00 mi14:18:173:26:408:599:48
7:50
#19841
24M
24.00 mi14:25:473:34:108:557:30
7:30
#19418
40K
24.85 mi14:32:163:40:398:536:29
7:35
#19030
25.2M
25.20 mi14:35:023:43:258:522:46
8:01
#18865
Finish
26.22 mi14:42:323:50:558:497:30
7:22
#18527
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18733119201192018569(Top 65%)11875(Top 74%)11875(Top 721%)
10K6.21 mi3.10 mi19988-125512466-54612466-54621143(Top 74%)12974(Top 81%)12974(Top 787%)
15K9.32 mi3.11 mi19523+46512278+18812278+18818569(Top 65%)11875(Top 74%)11875(Top 721%)
20K12.43 mi3.11 mi19785-26212373-9512373-9520455(Top 72%)12653(Top 79%)12653(Top 768%)
Half13.11 mi0.68 mi20312-52712597-22412597-22425798(Top 91%)15013(Top 93%)15013(Top 911%)
25K15.53 mi2.42 mi19257+105512142+45512142+45513039(Top 46%)9313(Top 58%)9313(Top 565%)
30K18.64 mi3.11 mi20680-142312708-56612708-56623930(Top 84%)14036(Top 87%)14036(Top 852%)
20M20.00 mi1.36 mi20539+14112634+7412634+7419240(Top 68%)11794(Top 73%)11794(Top 716%)
21M21.00 mi1.00 mi20627-8812650-1612650-1621567(Top 76%)12761(Top 79%)12761(Top 774%)
35K21.75 mi0.75 mi20346+28112506+14412506+14410989(Top 39%)7872(Top 49%)7872(Top 478%)
23M23.00 mi1.25 mi19841+50512253+25312253+2538783(Top 31%)6608(Top 41%)6608(Top 401%)
24M24.00 mi1.00 mi19418+42312048+20512048+2057698(Top 27%)5946(Top 37%)5946(Top 361%)
40K24.85 mi0.85 mi19030+38811864+18411864+1847321(Top 26%)5627(Top 35%)5627(Top 341%)
25.2M25.20 mi0.35 mi18865+16511783+8111783+816097(Top 21%)4823(Top 30%)4823(Top 293%)
Finish26.22 mi1.02 mi18527+33811612+17111612+1718204(Top 29%)6037(Top 37%)6037(Top 366%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

18569

Males

11875

M55-59

11875

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

21143

Males

12974

M55-59

12974

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

18569

Males

11875

M55-59

11875

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20455

Males

12653

M55-59

12653

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

25798

Males

15013

M55-59

15013

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

13039

Males

9313

M55-59

9313

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

23930

Males

14036

M55-59

14036

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19240

Males

11794

M55-59

11794

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21567

Males

12761

M55-59

12761

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10989

Males

7872

M55-59

7872

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8783

Males

6608

M55-59

6608

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7698

Males

5946

M55-59

5946

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7321

Males

5627

M55-59

5627

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6097

Males

4823

M55-59

4823

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8204

Males

6037

M55-59

6037

Passing Analysis

Category:
Athletes Passed
4089
Passed By
3883
Net Change
+206
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18733
5K10K421297-1255#18733#19988
10K15K49833+465#19988#19523
15K20K123385-262#19523#19785
20KHalf2529-527#19785#20312
Half25K10550+1055#20312#19257
25K30K281451-1423#19257#20680
30K20M17433+141#20680#20539
20M21M67155-88#20539#20627
21M35K2810+281#20627#20346
35K23M5050+505#20346#19841
23M24M4230+423#19841#19418
24M40K3880+388#19418#19030
40K25.2M1650+165#19030#18865
25.2MFinish3380+338#18865#18527
TOTALS40893883+206
📊

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