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BOSTON MARATHON 2025

Wai Ming Chan

Bib: 2380•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:38
Rank: #2543
Start → 5K
19:38 | 6:19/mi
10K· 6.21 mi
38:17
Rank: #1681 (+862)
5K → 10K
18:39 | 6:00/mi
15K· 9.32 mi
57:00
Rank: #1461 (+220)
10K → 15K
18:43 | 6:01/mi
20K· 12.43 mi
1:16:13
Rank: #1461
15K → 20K
19:13 | 6:11/mi
Half· 13.11 mi
1:20:17
Rank: #1432 (+29)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:35:21
Rank: #1420 (+12)
Half → 25K
15:04 | 6:13/mi
30K· 18.64 mi
1:55:34
Rank: #1478 (-58)
25K → 30K
20:13 | 6:30/mi
20M
2:04:24
Rank: #1461 (+17)
30K → 20M
8:50 | 6:30/mi
21M
2:11:14
Rank: #1449 (+12)
20M → 21M
6:50 | 6:50/mi
35K· 21.75 mi
2:15:50
Rank: #1408 (+41)
21M → 35K
4:36 | 6:09/mi
23M
2:23:53
Rank: #1368 (+40)
35K → 23M
8:03 | 6:26/mi
24M
2:30:04
Rank: #1324 (+44)
23M → 24M
6:11 | 6:11/mi
40K· 24.85 mi
2:35:27
Rank: #1304 (+20)
24M → 40K
5:23 | 6:18/mi
25.2M
2:37:47
Rank: #1282 (+22)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:43:50
Rank: #1231 (+51)
25.2M → Finish
6:03 | 5:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:17
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:23:33
Pace6:22 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4019:386:1919:38
6:19
-
10K
6.21 mi10:39:1938:176:1018:39
6:00
-0:19
15K
9.32 mi10:58:0257:006:0718:43
6:01
+0:01
20K
12.43 mi11:17:151:16:136:0819:13
6:11
+0:10
Half
13.11 mi11:21:191:20:176:074:04
5:58
-0:13
25K
15.53 mi11:36:231:35:216:0815:04
6:13
+0:15
30K
18.64 mi11:56:361:55:346:1220:13
6:30
+0:17
20M
20.00 mi12:05:262:04:246:138:50
6:30
0:00
21M
21.00 mi12:12:162:11:146:156:50
6:50
+0:20
35K
21.75 mi12:16:522:15:506:154:36
6:09
-0:41
23M
23.00 mi12:24:552:23:536:158:03
6:26
+0:17
24M
24.00 mi12:31:062:30:046:156:11
6:11
-0:15
40K
24.85 mi12:36:292:35:276:155:23
6:18
+0:07
25.2M
25.20 mi12:38:492:37:476:162:20
6:46
+0:28
Finish
26.22 mi12:44:522:43:506:156:03
5:56
-0:50

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

5:56 /mi

Average Pace

6:15 /mi

Slowest Pace

6:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:40

94% of race

Time at Steady Pace

9:10

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:20:4019:386:1919:38
6:19
#2543
10K
6.21 mi10:39:1938:176:1018:39
6:00
#1681
15K
9.32 mi10:58:0257:006:0718:43
6:01
#1461
20K
12.43 mi11:17:151:16:136:0819:13
6:11
#1461
Half
13.11 mi11:21:191:20:176:074:04
5:58
#1432
25K
15.53 mi11:36:231:35:216:0815:04
6:13
#1420
30K
18.64 mi11:56:361:55:346:1220:13
6:30
#1478
20M
20.00 mi12:05:262:04:246:138:50
6:30
#1461
21M
21.00 mi12:12:162:11:146:156:50
6:50
#1449
35K
21.75 mi12:16:522:15:506:154:36
6:09
#1408
23M
23.00 mi12:24:552:23:536:158:03
6:26
#1368
24M
24.00 mi12:31:062:30:046:156:11
6:11
#1324
40K
24.85 mi12:36:292:35:276:155:23
6:18
#1304
25.2M
25.20 mi12:38:492:37:476:162:20
6:46
#1282
Finish
26.22 mi12:44:522:43:506:156:03
5:56
#1231
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2543241924191108(Top 4%)1049(Top 7%)1049(Top 19%)
10K6.21 mi3.10 mi1681+8621600+8191600+8191103(Top 4%)1041(Top 6%)1041(Top 18%)
15K9.32 mi3.11 mi1461+2201386+2141386+2141108(Top 4%)1049(Top 7%)1049(Top 19%)
20K12.43 mi3.11 mi14611387-11387-11519(Top 5%)1440(Top 9%)1440(Top 26%)
Half13.11 mi0.68 mi1432+291359+281359+281027(Top 4%)974(Top 6%)974(Top 17%)
25K15.53 mi2.42 mi1420+121348+111348+111501(Top 5%)1426(Top 9%)1426(Top 25%)
30K18.64 mi3.11 mi1478-581398-501398-502002(Top 7%)1902(Top 12%)1902(Top 34%)
20M20.00 mi1.36 mi1461+171381+171381+171609(Top 6%)1520(Top 9%)1520(Top 27%)
21M21.00 mi1.00 mi1449+121369+121369+121618(Top 6%)1527(Top 9%)1527(Top 27%)
35K21.75 mi0.75 mi1408+411330+391330+391081(Top 4%)1019(Top 6%)1019(Top 18%)
23M23.00 mi1.25 mi1368+401291+391291+391229(Top 4%)1158(Top 7%)1158(Top 21%)
24M24.00 mi1.00 mi1324+441247+441247+44972(Top 3%)914(Top 6%)914(Top 16%)
40K24.85 mi0.85 mi1304+201228+191228+19955(Top 3%)894(Top 6%)894(Top 16%)
25.2M25.20 mi0.35 mi1282+221206+221206+22896(Top 3%)829(Top 5%)829(Top 15%)
Finish26.22 mi1.02 mi1231+511156+501156+50778(Top 3%)732(Top 5%)732(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1108

Males

1049

M18-39

1049

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1103

Males

1041

M18-39

1041

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1108

Males

1049

M18-39

1049

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1519

Males

1440

M18-39

1440

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1027

Males

974

M18-39

974

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1501

Males

1426

M18-39

1426

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2002

Males

1902

M18-39

1902

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1609

Males

1520

M18-39

1520

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1618

Males

1527

M18-39

1527

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1081

Males

1019

M18-39

1019

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1229

Males

1158

M18-39

1158

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

972

Males

914

M18-39

914

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

955

Males

894

M18-39

894

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

896

Males

829

M18-39

829

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

778

Males

732

M18-39

732

Passing Analysis

Category:
Athletes Passed
1592
Passed By
280
Net Change
+1312
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2543
5K → 10K8620+862#2543#1681
10K → 15K2222+220#1681#1461
15K → 20K53530#1461#1461
20K → Half290+29#1461#1432
Half → 25K4937+12#1432#1420
25K → 30K4199-58#1420#1478
30K → 20M4326+17#1478#1461
20M → 21M3422+12#1461#1449
21M → 35K443+41#1449#1408
35K → 23M5717+40#1408#1368
23M → 24M506+44#1368#1324
24M → 40K3111+20#1324#1304
40K → 25.2M220+22#1304#1282
25.2M → Finish554+51#1282#1231
TOTALS1592280+1312
📊

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