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BOSTON MARATHON 2025

Siu Wa Yeung

Bib: 22683•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
27:33
Rank: #21837
Start → 5K
27:33 | 8:52/mi
10K· 6.21 mi
56:27
Rank: #22752 (-915)
5K → 10K
28:54 | 9:18/mi
15K· 9.32 mi
1:24:49
Rank: #22697 (+55)
10K → 15K
28:22 | 9:08/mi
20K· 12.43 mi
1:53:42
Rank: #22576 (+121)
15K → 20K
28:53 | 9:18/mi
Half· 13.11 mi
1:59:59
Rank: #22586 (-10)
20K → Half
6:17 | 9:13/mi
25K· 15.53 mi
2:22:48
Rank: #22408 (+178)
Half → 25K
22:49 | 9:25/mi
30K· 18.64 mi
2:53:28
Rank: #22176 (+232)
25K → 30K
30:40 | 9:52/mi
20M
3:07:20
Rank: #22140 (+36)
30K → 20M
13:52 | 10:12/mi
21M
3:18:36
Rank: #22111 (+29)
20M → 21M
11:16 | 11:16/mi
35K· 21.75 mi
3:25:51
Rank: #22054 (+57)
21M → 35K
7:15 | 9:41/mi
23M
3:39:51
Rank: #22169 (-115)
35K → 23M
14:00 | 11:11/mi
24M
3:49:36
Rank: #22084 (+85)
23M → 24M
9:45 | 9:45/mi
40K· 24.85 mi
3:58:20
Rank: #22029 (+55)
24M → 40K
8:44 | 10:13/mi
25.2M
4:02:17
Rank: #22027 (+2)
40K → 25.2M
3:57 | 11:27/mi
Finish· 26.22 mi
4:12:33
Rank: #22065 (-38)
25.2M → Finish
10:16 | 10:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:59
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:12:34
Pace10:07 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4227:338:5227:33
8:52
-
10K
6.21 mi11:53:3656:279:0528:54
9:18
+0:26
15K
9.32 mi12:21:581:24:499:0628:22
9:08
-0:10
20K
12.43 mi12:50:511:53:429:0928:53
9:18
+0:10
Half
13.11 mi12:57:081:59:599:096:17
9:13
-0:05
25K
15.53 mi13:19:572:22:489:1222:49
9:25
+0:12
30K
18.64 mi13:50:372:53:289:1830:40
9:52
+0:27
20M
20.00 mi14:04:293:07:209:2213:52
10:12
+0:20
21M
21.00 mi14:15:453:18:369:2711:16
11:16
+1:04
35K
21.75 mi14:23:003:25:519:287:15
9:41
-1:35
23M
23.00 mi14:37:003:39:519:3414:00
11:11
+1:30
24M
24.00 mi14:46:453:49:369:349:45
9:45
-1:26
40K
24.85 mi14:55:293:58:209:358:44
10:13
+0:28
25.2M
25.20 mi14:59:264:02:179:373:57
11:27
+1:14
Finish
26.22 mi15:09:424:12:339:3810:16
10:04
-1:23

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

8:52 /mi

Average Pace

9:38 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:59

48% of race

Time at Steady Pace

1:20:45

32% of race

Time at Slower Pace

51:49

21% of race

Average Pace: 9:38 /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 mi11:24:4227:338:5227:33
8:52
#21837
10K
6.21 mi11:53:3656:279:0528:54
9:18
#22752
15K
9.32 mi12:21:581:24:499:0628:22
9:08
#22697
20K
12.43 mi12:50:511:53:429:0928:53
9:18
#22576
Half
13.11 mi12:57:081:59:599:096:17
9:13
#22586
25K
15.53 mi13:19:572:22:489:1222:49
9:25
#22408
30K
18.64 mi13:50:372:53:289:1830:40
9:52
#22176
20M
20.00 mi14:04:293:07:209:2213:52
10:12
#22140
21M
21.00 mi14:15:453:18:369:2711:16
11:16
#22111
35K
21.75 mi14:23:003:25:519:287:15
9:41
#22054
23M
23.00 mi14:37:003:39:519:3414:00
11:11
#22169
24M
24.00 mi14:46:453:49:369:349:45
9:45
#22084
40K
24.85 mi14:55:293:58:209:358:44
10:13
#22029
25.2M
25.20 mi14:59:264:02:179:373:57
11:27
#22027
Finish
26.22 mi15:09:424:12:339:3810:16
10:04
#22065
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21837132411324122587(Top 80%)13641(Top 85%)13641(Top 1083%)
10K6.21 mi3.10 mi22752-91513670-42913670-42923529(Top 83%)14039(Top 87%)14039(Top 1115%)
15K9.32 mi3.11 mi22697+5513676-613676-622587(Top 80%)13641(Top 85%)13641(Top 1083%)
20K12.43 mi3.11 mi22576+12113620+5613620+5622259(Top 78%)13472(Top 84%)13472(Top 1070%)
Half13.11 mi0.68 mi22586-1013624-413624-422599(Top 80%)13602(Top 84%)13602(Top 1080%)
25K15.53 mi2.42 mi22408+17813530+9413530+9421577(Top 76%)13115(Top 81%)13115(Top 1042%)
30K18.64 mi3.11 mi22176+23213398+13213398+13221215(Top 75%)12811(Top 80%)12811(Top 1018%)
20M20.00 mi1.36 mi22140+3613364+3413364+3421585(Top 76%)12854(Top 80%)12854(Top 1021%)
21M21.00 mi1.00 mi22111+2913325+3913325+3922080(Top 78%)13013(Top 81%)13013(Top 1034%)
35K21.75 mi0.75 mi22054+5713290+3513290+3520969(Top 74%)12431(Top 77%)12431(Top 987%)
23M23.00 mi1.25 mi22169-11513293-313293-323627(Top 83%)13652(Top 85%)13652(Top 1084%)
24M24.00 mi1.00 mi22084+8513243+5013243+5020564(Top 72%)12140(Top 75%)12140(Top 964%)
40K24.85 mi0.85 mi22029+5513200+4313200+4321111(Top 74%)12340(Top 77%)12340(Top 980%)
25.2M25.20 mi0.35 mi22027+213193+713193+721915(Top 77%)12746(Top 79%)12746(Top 1012%)
Finish26.22 mi1.02 mi22065-3813190+313190+323137(Top 81%)13342(Top 83%)13342(Top 1060%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

22587

Males

13641

M60-64

13641

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

23529

Males

14039

M60-64

14039

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

22587

Males

13641

M60-64

13641

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

22259

Males

13472

M60-64

13472

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22599

Males

13602

M60-64

13602

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21577

Males

13115

M60-64

13115

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21215

Males

12811

M60-64

12811

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21585

Males

12854

M60-64

12854

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

22080

Males

13013

M60-64

13013

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

20969

Males

12431

M60-64

12431

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23627

Males

13652

M60-64

13652

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

20564

Males

12140

M60-64

12140

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21111

Males

12340

M60-64

12340

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21915

Males

12746

M60-64

12746

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

23137

Males

13342

M60-64

13342

Passing Analysis

Category:
Athletes Passed
1605
Passed By
1833
Net Change
-228
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21837
5K → 10K49964-915#21837#22752
10K → 15K202147+55#22752#22697
15K → 20K235114+121#22697#22576
20K → Half3747-10#22576#22586
Half → 25K23052+178#22586#22408
25K → 30K30270+232#22408#22176
30K → 20M10064+36#22176#22140
20M → 21M9566+29#22140#22111
21M → 35K7316+57#22111#22054
35K → 23M52167-115#22054#22169
23M → 24M938+85#22169#22084
24M → 40K8025+55#22084#22029
40K → 25.2M2220+2#22029#22027
25.2M → Finish3573-38#22027#22065
TOTALS16051833-228
📊

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