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BOSTON MARATHON 2025

Kenneth Piak Suan Tan

Bib: 29928•M

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
28:33
Rank: #23197
Start → 5K
28:33 | 9:11/mi
10K· 6.21 mi
56:01
Rank: #22489 (+708)
5K → 10K
27:28 | 8:50/mi
15K· 9.32 mi
1:23:47
Rank: #22229 (+260)
10K → 15K
27:46 | 8:56/mi
20K· 12.43 mi
1:52:47
Rank: #22260 (-31)
15K → 20K
29:00 | 9:20/mi
Half· 13.11 mi
1:59:08
Rank: #22296 (-36)
20K → Half
6:21 | 9:18/mi
25K· 15.53 mi
2:22:49
Rank: #22413 (-117)
Half → 25K
23:41 | 9:46/mi
30K· 18.64 mi
2:59:41
Rank: #23215 (-802)
25K → 30K
36:52 | 11:52/mi
20M
3:18:26
Rank: #23793 (-578)
30K → 20M
18:45 | 13:48/mi
21M
3:33:14
Rank: #24123 (-330)
20M → 21M
14:48 | 14:48/mi
35K· 21.75 mi
3:42:07
Rank: #24202 (-79)
21M → 35K
8:53 | 11:52/mi
23M
3:59:59
Rank: #24556 (-354)
35K → 23M
17:52 | 14:16/mi
24M
4:13:02
Rank: #24714 (-158)
23M → 24M
13:03 | 13:03/mi
40K· 24.85 mi
4:23:53
Rank: #24773 (-59)
24M → 40K
10:51 | 12:41/mi
25.2M
4:28:16
Rank: #24774 (-1)
40K → 25.2M
4:23 | 12:43/mi
Finish· 26.22 mi
4:38:04
Rank: #24706 (+68)
25.2M → Finish
9:48 | 9:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:08
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:38:56
Pace12:07 /mi
📊Positive Split: 33.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0828:339:1128:33
9:11
-
10K
6.21 mi12:17:3656:019:0127:28
8:50
-0:21
15K
9.32 mi12:45:221:23:478:5927:46
8:56
+0:06
20K
12.43 mi13:14:221:52:479:0529:00
9:20
+0:24
Half
13.11 mi13:20:431:59:089:056:21
9:18
-0:02
25K
15.53 mi13:44:242:22:499:1223:41
9:46
+0:28
30K
18.64 mi14:21:162:59:419:3836:52
11:52
+2:06
20M
20.00 mi14:40:013:18:269:5518:45
13:48
+1:56
21M
21.00 mi14:54:493:33:1410:0914:48
14:48
+1:00
35K
21.75 mi15:03:423:42:0710:138:53
11:52
-2:56
23M
23.00 mi15:21:343:59:5910:2617:52
14:16
+2:24
24M
24.00 mi15:34:374:13:0210:3313:03
13:03
-1:13
40K
24.85 mi15:45:284:23:5310:3710:51
12:41
-0:22
25.2M
25.20 mi15:49:514:28:1610:394:23
12:43
+0:02
Finish
26.22 mi15:59:394:38:0410:379:48
9:37
-3:06

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

8:50 /mi

Average Pace

10:37 /mi

Slowest Pace

14:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:37

55% of race

Time at Steady Pace

1:00:59

22% of race

Time at Slower Pace

1:04:28

23% of race

Average Pace: 10:36 /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 mi11:50:0828:339:1128:33
9:11
#23197
10K
6.21 mi12:17:3656:019:0127:28
8:50
#22489
15K
9.32 mi12:45:221:23:478:5927:46
8:56
#22229
20K
12.43 mi13:14:221:52:479:0529:00
9:20
#22260
Half
13.11 mi13:20:431:59:089:056:21
9:18
#22296
25K
15.53 mi13:44:242:22:499:1223:41
9:46
#22413
30K
18.64 mi14:21:162:59:419:3836:52
11:52
#23215
20M
20.00 mi14:40:013:18:269:5518:45
13:48
#23793
21M
21.00 mi14:54:493:33:1410:0914:48
14:48
#24123
35K
21.75 mi15:03:423:42:0710:138:53
11:52
#24202
23M
23.00 mi15:21:343:59:5910:2617:52
14:16
#24556
24M
24.00 mi15:34:374:13:0210:3313:03
13:03
#24714
40K
24.85 mi15:45:284:23:5310:3710:51
12:41
#24773
25.2M
25.20 mi15:49:514:28:1610:394:23
12:43
#24774
Finish
26.22 mi15:59:394:38:0410:379:48
9:37
#24706
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi23197138601386021736(Top 77%)13283(Top 82%)13283(Top 1055%)
10K6.21 mi3.10 mi22489+70813545+31513545+31521601(Top 76%)13176(Top 82%)13176(Top 1047%)
15K9.32 mi3.11 mi22229+26013455+9013455+9021736(Top 77%)13283(Top 82%)13283(Top 1055%)
20K12.43 mi3.11 mi22260-3113462-713462-722374(Top 79%)13527(Top 84%)13527(Top 1074%)
Half13.11 mi0.68 mi22296-3613472-1013472-1022984(Top 81%)13792(Top 86%)13792(Top 1095%)
25K15.53 mi2.42 mi22413-11713533-6113533-6122693(Top 80%)13606(Top 84%)13606(Top 1081%)
30K18.64 mi3.11 mi23215-80213852-31913852-31925403(Top 89%)14719(Top 91%)14719(Top 1169%)
20M20.00 mi1.36 mi23793-57814095-24314095-24327141(Top 96%)15441(Top 96%)15441(Top 1226%)
21M21.00 mi1.00 mi24123-33014229-13414229-13426988(Top 95%)15354(Top 95%)15354(Top 1220%)
35K21.75 mi0.75 mi24202-7914257-2814257-2825671(Top 90%)14669(Top 91%)14669(Top 1165%)
23M23.00 mi1.25 mi24556-35414403-14614403-14627519(Top 97%)15583(Top 97%)15583(Top 1238%)
24M24.00 mi1.00 mi24714-15814459-5614459-5626912(Top 95%)15250(Top 95%)15250(Top 1211%)
40K24.85 mi0.85 mi24773-5914473-1414473-1425921(Top 91%)14744(Top 92%)14744(Top 1171%)
25.2M25.20 mi0.35 mi24774-114471+214471+224580(Top 87%)14055(Top 87%)14055(Top 1116%)
Finish26.22 mi1.02 mi24706+6814433+3814433+3821612(Top 76%)12596(Top 78%)12596(Top 1000%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21736

Males

13283

M60-64

13283

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21601

Males

13176

M60-64

13176

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21736

Males

13283

M60-64

13283

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22374

Males

13527

M60-64

13527

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

22984

Males

13792

M60-64

13792

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22693

Males

13606

M60-64

13606

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25403

Males

14719

M60-64

14719

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

27141

Males

15441

M60-64

15441

20M→21M

20.0 - 21.0 mi

Top 95%
×8stories
+106ft-24ft

Overall

26988

Males

15354

M60-64

15354

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25671

Males

14669

M60-64

14669

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

27519

Males

15583

M60-64

15583

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

26912

Males

15250

M60-64

15250

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25921

Males

14744

M60-64

14744

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24580

Males

14055

M60-64

14055

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

21612

Males

12596

M60-64

12596

Passing Analysis

Category:
Athletes Passed
1574
Passed By
3083
Net Change
-1509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23197
5K → 10K74032+708#23197#22489
10K → 15K33272+260#22489#22229
15K → 20K175206-31#22229#22260
20K → Half2056-36#22260#22296
Half → 25K107224-117#22296#22413
25K → 30K31833-802#22413#23215
30K → 20M10588-578#23215#23793
20M → 21M13343-330#23793#24123
21M → 35K1392-79#24123#24202
35K → 23M11365-354#24202#24556
23M → 24M15173-158#24556#24714
24M → 40K1776-59#24714#24773
40K → 25.2M1718-1#24773#24774
25.2M → Finish735+68#24774#24706
TOTALS15743083-1509
📊

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