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BOSTON MARATHON 2025

Kang Wang

Bib: 21923•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:52
Rank: #18861
Start → 5K
8:20/mi
25:52 split
10K· 6.21 mi
51:34
Rank: #18598 (+263)
5K → 10K
8:16/mi
25:42 split
15K· 9.32 mi
1:17:38
Rank: #18585 (+13)
10K → 15K
8:23/mi
26:04 split
20K· 12.43 mi
1:44:29
Rank: #18704 (-119)
15K → 20K
8:39/mi
26:51 split
Half· 13.11 mi
1:50:25
Rank: #18787 (-83)
20K → Half
8:42/mi
5:56 split
25K· 15.53 mi
2:12:48
Rank: #19195 (-408)
Half → 25K
9:14/mi
22:23 split
30K· 18.64 mi
2:42:18
Rank: #19353 (-158)
25K → 30K
9:30/mi
29:30 split
20M
2:56:06
Rank: #19584 (-231)
30K → 20M
10:09/mi
13:48 split
21M
3:07:53
Rank: #19936 (-352)
20M → 21M
11:47/mi
11:47 split
35K· 21.75 mi
3:15:44
Rank: #20123 (-187)
21M → 35K
10:30/mi
7:51 split
23M
3:28:14
Rank: #20154 (-31)
35K → 23M
9:59/mi
12:30 split
24M
3:38:42
Rank: #20348 (-194)
23M → 24M
10:28/mi
10:28 split
40K· 24.85 mi
3:49:16
Rank: #20720 (-372)
24M → 40K
12:22/mi
10:34 split
25.2M
3:53:49
Rank: #20823 (-103)
40K → 25.2M
13:12/mi
4:33 split
Finish· 26.22 mi
4:04:33
Rank: #20976 (-153)
25.2M → Finish
10:32/mi
10:44 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:25
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:14:08
Pace10:14 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1725:528:2025:52
8:20
-
10K
6.21 mi11:46:5951:348:1825:42
8:16
-0:04
15K
9.32 mi12:13:031:17:388:2026:04
8:23
+0:07
20K
12.43 mi12:39:541:44:298:2426:51
8:39
+0:16
Half
13.11 mi12:45:501:50:258:255:56
8:42
+0:03
25K
15.53 mi13:08:132:12:488:3322:23
9:14
+0:32
30K
18.64 mi13:37:432:42:188:4229:30
9:30
+0:16
20M
20.00 mi13:51:312:56:068:4813:48
10:09
+0:39
21M
21.00 mi14:03:183:07:538:5711:47
11:47
+1:38
35K
21.75 mi14:11:093:15:449:007:51
10:30
-1:17
23M
23.00 mi14:23:393:28:149:0312:30
9:59
-0:31
24M
24.00 mi14:34:073:38:429:0710:28
10:28
+0:29
40K
24.85 mi14:44:413:49:169:1310:34
12:22
+1:54
25.2M
25.20 mi14:49:143:53:499:174:33
13:12
+0:50
Finish
26.22 mi14:59:584:04:339:2010:44
10:32
-2:40

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

8:16 /mi

Average Pace

9:20 /mi

Slowest Pace

13:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:48

54% of race

Time at Steady Pace

1:24:51

35% of race

Time at Slower Pace

26:54

11% of race

Average Pace: 9:20 /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 mi11:21:1725:528:2025:52
8:20
#18861
10K
6.21 mi11:46:5951:348:1825:42
8:16
#18598
15K
9.32 mi12:13:031:17:388:2026:04
8:23
#18585
20K
12.43 mi12:39:541:44:298:2426:51
8:39
#18704
Half
13.11 mi12:45:501:50:258:255:56
8:42
#18787
25K
15.53 mi13:08:132:12:488:3322:23
9:14
#19195
30K
18.64 mi13:37:432:42:188:4229:30
9:30
#19353
20M
20.00 mi13:51:312:56:068:4813:48
10:09
#19584
21M
21.00 mi14:03:183:07:538:5711:47
11:47
#19936
35K
21.75 mi14:11:093:15:449:007:51
10:30
#20123
23M
23.00 mi14:23:393:28:149:0312:30
9:59
#20154
24M
24.00 mi14:34:073:38:429:0710:28
10:28
#20348
40K
24.85 mi14:44:413:49:169:1310:34
12:22
#20720
25.2M
25.20 mi14:49:143:53:499:174:33
13:12
#20823
Finish
26.22 mi14:59:584:04:339:2010:44
10:32
#20976
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18861119791197918632(Top 66%)11899(Top 74%)11899(Top 945%)
10K6.21 mi3.10 mi18598+26311871+10811871+10818370(Top 65%)11796(Top 73%)11796(Top 937%)
15K9.32 mi3.11 mi18585+1311862+911862+918632(Top 66%)11899(Top 74%)11899(Top 945%)
20K12.43 mi3.11 mi18704-11911914-5211914-5219088(Top 67%)12073(Top 75%)12073(Top 959%)
Half13.11 mi0.68 mi18787-8311950-3611950-3620318(Top 72%)12610(Top 78%)12610(Top 1002%)
25K15.53 mi2.42 mi19195-40812118-16812118-16820896(Top 74%)12807(Top 80%)12807(Top 1017%)
30K18.64 mi3.11 mi19353-15812138-2012138-2019922(Top 70%)12253(Top 76%)12253(Top 973%)
20M20.00 mi1.36 mi19584-23112220-8212220-8221439(Top 75%)12787(Top 79%)12787(Top 1016%)
21M21.00 mi1.00 mi19936-35212346-12612346-12623176(Top 82%)13527(Top 84%)13527(Top 1074%)
35K21.75 mi0.75 mi20123-18712411-6512411-6523135(Top 81%)13451(Top 84%)13451(Top 1068%)
23M23.00 mi1.25 mi20154-3112396+1512396+1520421(Top 72%)12121(Top 75%)12121(Top 963%)
24M24.00 mi1.00 mi20348-19412471-7512471-7522708(Top 80%)13161(Top 82%)13161(Top 1045%)
40K24.85 mi0.85 mi20720-37212627-15612627-15625447(Top 90%)14489(Top 90%)14489(Top 1151%)
25.2M25.20 mi0.35 mi20823-10312651-2412651-2425279(Top 89%)14379(Top 89%)14379(Top 1142%)
Finish26.22 mi1.02 mi20976-15312710-5912710-5924337(Top 86%)13944(Top 87%)13944(Top 1108%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18632

Males

11899

M60-64

11899

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

18370

Males

11796

M60-64

11796

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18632

Males

11899

M60-64

11899

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

19088

Males

12073

M60-64

12073

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

20318

Males

12610

M60-64

12610

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

20896

Males

12807

M60-64

12807

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19922

Males

12253

M60-64

12253

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21439

Males

12787

M60-64

12787

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23176

Males

13527

M60-64

13527

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

23135

Males

13451

M60-64

13451

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20421

Males

12121

M60-64

12121

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22708

Males

13161

M60-64

13161

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25447

Males

14489

M60-64

14489

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25279

Males

14379

M60-64

14379

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24337

Males

13944

M60-64

13944

Passing Analysis

Category:
Athletes Passed
1262
Passed By
3377
Net Change
-2115
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18861
5K → 10K427164+263#18861#18598
10K → 15K197184+13#18598#18585
15K → 20K151270-119#18585#18704
20K → Half17100-83#18704#18787
Half → 25K77485-408#18787#19195
25K → 30K173331-158#19195#19353
30K → 20M49280-231#19353#19584
20M → 21M29381-352#19584#19936
21M → 35K21208-187#19936#20123
35K → 23M77108-31#20123#20154
23M → 24M12206-194#20154#20348
24M → 40K10382-372#20348#20720
40K → 25.2M11114-103#20720#20823
25.2M → Finish11164-153#20823#20976
TOTALS12623377-2115
📊

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