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BOSTON MARATHON 2025

Wing Chiu Sam Yeung

Bib: 29645•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
32:14
Rank: #26470
Start → 5K
32:14 | 10:22/mi
10K· 6.21 mi
1:04:11
Rank: #26139 (+331)
5K → 10K
31:57 | 10:17/mi
15K· 9.32 mi
1:37:49
Rank: #26277 (-138)
10K → 15K
33:38 | 10:50/mi
20K· 12.43 mi
2:12:30
Rank: #26265 (+12)
15K → 20K
34:41 | 11:10/mi
Half· 13.11 mi
2:19:46
Rank: #26250 (+15)
20K → Half
7:16 | 10:39/mi
25K· 15.53 mi
2:48:08
Rank: #26227 (+23)
Half → 25K
28:22 | 11:42/mi
30K· 18.64 mi
3:28:15
Rank: #26344 (-117)
25K → 30K
40:07 | 12:55/mi
20M
3:45:53
Rank: #26369 (-25)
30K → 20M
17:38 | 12:59/mi
21M
3:59:27
Rank: #26351 (+18)
20M → 21M
13:34 | 13:34/mi
35K· 21.75 mi
4:08:47
Rank: #26348 (+3)
21M → 35K
9:20 | 12:29/mi
23M
4:24:35
Rank: #26348
35K → 23M
15:48 | 12:37/mi
24M
4:38:18
Rank: #26422 (-74)
23M → 24M
13:43 | 13:43/mi
40K· 24.85 mi
4:51:19
Rank: #26547 (-125)
24M → 40K
13:01 | 15:13/mi
25.2M
4:57:07
Rank: #26589 (-42)
40K → 25.2M
5:48 | 16:49/mi
Finish· 26.22 mi
5:11:44
Rank: #26725 (-136)
25.2M → Finish
14:37 | 14:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:46
Pace10:40 /mi
2nd Half
Distance13.11 mi
Time2:51:58
Pace13:07 /mi
📊Positive Split: 23.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3732:1410:2232:14
10:22
-
10K
6.21 mi12:22:341:04:1110:2031:57
10:17
-0:05
15K
9.32 mi12:56:121:37:4910:3033:38
10:50
+0:33
20K
12.43 mi13:30:532:12:3010:4034:41
11:10
+0:20
Half
13.11 mi13:38:092:19:4610:407:16
10:39
-0:31
25K
15.53 mi14:06:312:48:0810:4928:22
11:42
+1:03
30K
18.64 mi14:46:383:28:1511:1040:07
12:55
+1:13
20M
20.00 mi15:04:163:45:5311:1817:38
12:59
+0:04
21M
21.00 mi15:17:503:59:2711:2413:34
13:34
+0:35
35K
21.75 mi15:27:104:08:4711:269:20
12:29
-1:05
23M
23.00 mi15:42:584:24:3511:3015:48
12:37
+0:08
24M
24.00 mi15:56:414:38:1811:3613:43
13:43
+1:06
40K
24.85 mi16:09:424:51:1911:4313:01
15:13
+1:30
25.2M
25.20 mi16:15:304:57:0711:475:48
16:49
+1:36
Finish
26.22 mi16:30:075:11:4411:5414:37
14:21
-2:28

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

10:17 /mi

Average Pace

11:54 /mi

Slowest Pace

16:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:08

54% of race

Time at Steady Pace

1:22:53

27% of race

Time at Slower Pace

1:00:43

19% of race

Average Pace: 11:53 /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 mi11:50:3732:1410:2232:14
10:22
#26470
10K
6.21 mi12:22:341:04:1110:2031:57
10:17
#26139
15K
9.32 mi12:56:121:37:4910:3033:38
10:50
#26277
20K
12.43 mi13:30:532:12:3010:4034:41
11:10
#26265
Half
13.11 mi13:38:092:19:4610:407:16
10:39
#26250
25K
15.53 mi14:06:312:48:0810:4928:22
11:42
#26227
30K
18.64 mi14:46:383:28:1511:1040:07
12:55
#26344
20M
20.00 mi15:04:163:45:5311:1817:38
12:59
#26369
21M
21.00 mi15:17:503:59:2711:2413:34
13:34
#26351
35K
21.75 mi15:27:104:08:4711:269:20
12:29
#26348
23M
23.00 mi15:42:584:24:3511:3015:48
12:37
#26348
24M
24.00 mi15:56:414:38:1811:3613:43
13:43
#26422
40K
24.85 mi16:09:424:51:1911:4313:01
15:13
#26547
25.2M
25.20 mi16:15:304:57:0711:475:48
16:49
#26589
Finish
26.22 mi16:30:075:11:4411:5414:37
14:21
#26725
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi26470153861538626445(Top 93%)15350(Top 95%)15350(Top 1219%)
10K6.21 mi3.10 mi26139+33115227+15915227+15925884(Top 91%)15097(Top 94%)15097(Top 1199%)
15K9.32 mi3.11 mi26277-13815278-5115278-5126445(Top 93%)15350(Top 95%)15350(Top 1219%)
20K12.43 mi3.11 mi26265+1215271+715271+726246(Top 92%)15240(Top 95%)15240(Top 1210%)
Half13.11 mi0.68 mi26250+1515263+815263+826033(Top 92%)15126(Top 94%)15126(Top 1201%)
25K15.53 mi2.42 mi26227+2315252+1115252+1126101(Top 92%)15120(Top 94%)15120(Top 1201%)
30K18.64 mi3.11 mi26344-11715267-1515267-1526587(Top 94%)15248(Top 95%)15248(Top 1211%)
20M20.00 mi1.36 mi26369-2515257+1015257+1026424(Top 93%)15114(Top 94%)15114(Top 1200%)
21M21.00 mi1.00 mi26351+1815239+1815239+1825740(Top 91%)14755(Top 92%)14755(Top 1172%)
35K21.75 mi0.75 mi26348+315227+1215227+1226433(Top 93%)15066(Top 94%)15066(Top 1197%)
23M23.00 mi1.25 mi2634815221+615221+625957(Top 91%)14815(Top 92%)14815(Top 1177%)
24M24.00 mi1.00 mi26422-7415249-2815249-2827471(Top 97%)15532(Top 96%)15532(Top 1234%)
40K24.85 mi0.85 mi26547-12515296-4715296-4727860(Top 98%)15756(Top 98%)15756(Top 1251%)
25.2M25.20 mi0.35 mi26589-4215308-1215308-1228015(Top 99%)15831(Top 98%)15831(Top 1257%)
Finish26.22 mi1.02 mi26725-13615356-4815356-4828143(Top 99%)15930(Top 99%)15930(Top 1265%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

26445

Males

15350

M60-64

15350

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25884

Males

15097

M60-64

15097

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

26445

Males

15350

M60-64

15350

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26246

Males

15240

M60-64

15240

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

26033

Males

15126

M60-64

15126

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

26101

Males

15120

M60-64

15120

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

26587

Males

15248

M60-64

15248

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

26424

Males

15114

M60-64

15114

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

25740

Males

14755

M60-64

14755

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

26433

Males

15066

M60-64

15066

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

25957

Males

14815

M60-64

14815

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

27471

Males

15532

M60-64

15532

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27860

Males

15756

M60-64

15756

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28015

Males

15831

M60-64

15831

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

28143

Males

15930

M60-64

15930

Passing Analysis

Category:
Athletes Passed
948
Passed By
1203
Net Change
-255
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26470
5K → 10K37443+331#26470#26139
10K → 15K86224-138#26139#26277
15K → 20K130118+12#26277#26265
20K → Half2712+15#26265#26250
Half → 25K10279+23#26250#26227
25K → 30K58175-117#26227#26344
30K → 20M4570-25#26344#26369
20M → 21M5436+18#26369#26351
21M → 35K2320+3#26351#26348
35K → 23M33330#26348#26348
23M → 24M1185-74#26348#26422
24M → 40K1126-125#26422#26547
40K → 25.2M446-42#26547#26589
25.2M → Finish0136-136#26589#26725
TOTALS9481203-255
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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