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BOSTON MARATHON 2025

Weijiang Tang

Bib: 13797•M

TX

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
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:30
Rank: #12785
Start → 5K
23:30 | 7:34/mi
10K· 6.21 mi
46:23
Rank: #11816 (+969)
5K → 10K
22:53 | 7:22/mi
15K· 9.32 mi
1:09:29
Rank: #11571 (+245)
10K → 15K
23:06 | 7:26/mi
20K· 12.43 mi
1:33:09
Rank: #11597 (-26)
15K → 20K
23:40 | 7:37/mi
Half· 13.11 mi
1:38:11
Rank: #11543 (+54)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:57:38
Rank: #11943 (-400)
Half → 25K
19:27 | 8:01/mi
30K· 18.64 mi
2:24:48
Rank: #12805 (-862)
25K → 30K
27:10 | 8:45/mi
20M
2:36:34
Rank: #12968 (-163)
30K → 20M
11:46 | 8:40/mi
21M
2:46:27
Rank: #13293 (-325)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
2:53:13
Rank: #13514 (-221)
21M → 35K
6:46 | 9:03/mi
23M
3:05:04
Rank: #13889 (-375)
35K → 23M
11:51 | 9:28/mi
24M
3:14:17
Rank: #14161 (-272)
23M → 24M
9:13 | 9:13/mi
40K· 24.85 mi
3:22:29
Rank: #14364 (-203)
24M → 40K
8:12 | 9:35/mi
25.2M
3:26:11
Rank: #14469 (-105)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
3:36:06
Rank: #14865 (-396)
25.2M → Finish
9:55 | 9:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:11
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:57:55
Pace9:00 /mi
📊Positive Split: 20.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2023:307:3423:30
7:34
-
10K
6.21 mi11:15:1346:237:2822:53
7:22
-0:12
15K
9.32 mi11:38:191:09:297:2723:06
7:26
+0:04
20K
12.43 mi12:01:591:33:097:3023:40
7:37
+0:11
Half
13.11 mi12:07:011:38:117:295:02
7:23
-0:14
25K
15.53 mi12:26:281:57:387:3419:27
8:01
+0:38
30K
18.64 mi12:53:382:24:487:4627:10
8:45
+0:44
20M
20.00 mi13:05:242:36:347:5011:46
8:40
-0:05
21M
21.00 mi13:15:172:46:277:569:53
9:53
+1:13
35K
21.75 mi13:22:032:53:137:586:46
9:03
-0:50
23M
23.00 mi13:33:543:05:048:0311:51
9:28
+0:25
24M
24.00 mi13:43:073:14:178:069:13
9:13
-0:15
40K
24.85 mi13:51:193:22:298:098:12
9:35
+0:22
25.2M
25.20 mi13:55:013:26:118:113:42
10:44
+1:09
Finish
26.22 mi14:04:563:36:068:159:55
9:44
-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

7:22 /mi

Average Pace

8:15 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:38

54% of race

Time at Steady Pace

54:55

25% of race

Time at Slower Pace

43:33

20% of race

Average Pace: 8:15 /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 mi10:52:2023:307:3423:30
7:34
#12785
10K
6.21 mi11:15:1346:237:2822:53
7:22
#11816
15K
9.32 mi11:38:191:09:297:2723:06
7:26
#11571
20K
12.43 mi12:01:591:33:097:3023:40
7:37
#11597
Half
13.11 mi12:07:011:38:117:295:02
7:23
#11543
25K
15.53 mi12:26:281:57:387:3419:27
8:01
#11943
30K
18.64 mi12:53:382:24:487:4627:10
8:45
#12805
20M
20.00 mi13:05:242:36:347:5011:46
8:40
#12968
21M
21.00 mi13:15:172:46:277:569:53
9:53
#13293
35K
21.75 mi13:22:032:53:137:586:46
9:03
#13514
23M
23.00 mi13:33:543:05:048:0311:51
9:28
#13889
24M
24.00 mi13:43:073:14:178:069:13
9:13
#14161
40K
24.85 mi13:51:193:22:298:098:12
9:35
#14364
25.2M
25.20 mi13:55:013:26:118:113:42
10:44
#14469
Finish
26.22 mi14:04:563:36:068:159:55
9:44
#14865
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi127859553955311188(Top 39%)8693(Top 54%)8693(Top 527%)
10K6.21 mi3.10 mi11816+9699072+4819072+48110872(Top 38%)8606(Top 53%)8606(Top 522%)
15K9.32 mi3.11 mi11571+2458929+1438929+14311188(Top 39%)8693(Top 54%)8693(Top 527%)
20K12.43 mi3.11 mi11597-268900+298900+2911724(Top 41%)8845(Top 55%)8845(Top 537%)
Half13.11 mi0.68 mi11543+548879+218879+2110680(Top 38%)8402(Top 52%)8402(Top 510%)
25K15.53 mi2.42 mi11943-4009020-1419020-14114061(Top 50%)9790(Top 61%)9790(Top 594%)
30K18.64 mi3.11 mi12805-8629347-3279347-32716243(Top 57%)10589(Top 66%)10589(Top 643%)
20M20.00 mi1.36 mi12968-1639376-299376-2914777(Top 52%)9814(Top 61%)9814(Top 596%)
21M21.00 mi1.00 mi13293-3259487-1119487-11117819(Top 63%)11068(Top 69%)11068(Top 672%)
35K21.75 mi0.75 mi13514-2219556-699556-6918414(Top 65%)11218(Top 70%)11218(Top 681%)
23M23.00 mi1.25 mi13889-3759691-1359691-13518512(Top 65%)11218(Top 70%)11218(Top 681%)
24M24.00 mi1.00 mi14161-2729778-879778-8718398(Top 65%)11099(Top 69%)11099(Top 673%)
40K24.85 mi0.85 mi14364-2039845-679845-6719040(Top 67%)11334(Top 70%)11334(Top 688%)
25.2M25.20 mi0.35 mi14469-1059885-409885-4019764(Top 70%)11662(Top 72%)11662(Top 708%)
Finish26.22 mi1.02 mi14865-39610028-14310028-14322005(Top 77%)12786(Top 79%)12786(Top 776%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

11188

Males

8693

M55-59

8693

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10872

Males

8606

M55-59

8606

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

11188

Males

8693

M55-59

8693

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11724

Males

8845

M55-59

8845

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10680

Males

8402

M55-59

8402

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14061

Males

9790

M55-59

9790

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16243

Males

10589

M55-59

10589

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

14777

Males

9814

M55-59

9814

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17819

Males

11068

M55-59

11068

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18414

Males

11218

M55-59

11218

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18512

Males

11218

M55-59

11218

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18398

Males

11099

M55-59

11099

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19040

Males

11334

M55-59

11334

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19764

Males

11662

M55-59

11662

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

22005

Males

12786

M55-59

12786

Passing Analysis

Category:
Athletes Passed
1969
Passed By
4049
Net Change
-2080
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12785
5K → 10K100233+969#12785#11816
10K → 15K31368+245#11816#11571
15K → 20K168194-26#11571#11597
20K → Half6410+54#11597#11543
Half → 25K85485-400#11543#11943
25K → 30K75937-862#11943#12805
30K → 20M81244-163#12805#12968
20M → 21M33358-325#12968#13293
21M → 35K19240-221#13293#13514
35K → 23M44419-375#13514#13889
23M → 24M30302-272#13889#14161
24M → 40K32235-203#14161#14364
40K → 25.2M8113-105#14364#14469
25.2M → Finish15411-396#14469#14865
TOTALS19694049-2080
📊

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