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BOSTON MARATHON 2025

Yan Wing Leung

Bib: 9383 M HK

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 30%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:00/mi
21:46
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:59/mi
43:28
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:10/mi
1:05:43
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:14/mi
1:28:11
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:07/mi
1:33:02
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:21/mi
1:50:51
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:45/mi
2:14:56
↑ 181↓ 1480.2%
138 ft elev
20M
7:52/mi
2:25:37
↑ 64↓ 500.2%
148 ft elev
21M
8:14/mi
2:33:51
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:36/mi
2:39:32
↑ 17↓ 861.7%
156 ft elev
23M
7:54/mi
2:49:25
↑ 23↓ 630.6%
116 ft elev
24M
7:47/mi
2:57:12
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:56/mi
3:03:59
↓ 200.3%
20 ft elev
25.2M
8:39/mi
3:06:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:28/mi
3:14:35
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:33:027:06 /mi⚡ faster
2nd Half
1:41:337:45 /mi+9.2%
Positive split — 9.2% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:467:003.11 mi21:46
7:00
-
10K
43:287:003.10 mi21:42
6:59
-0:01
15K
1:05:437:033.11 mi22:15
7:10
+0:11
20K
1:28:117:063.11 mi22:28
7:14
+0:04
Half(13.11 mi)
1:33:027:060.68 mi4:51
7:07
-0:07
25K
1:50:517:082.42 mi17:49
7:21
+0:14
30K
2:14:567:143.11 mi24:05
7:45
+0:24
20M
2:25:377:171.36 mi10:41
7:52
+0:07
21M
2:33:517:201.00 mi8:14
8:14
+0:22
35K
2:39:327:200.75 mi5:41
7:36
-0:38
23M
2:49:257:221.25 mi9:53
7:54
+0:18
24M
2:57:127:231.00 mi7:47
7:47
-0:07
40K
3:03:597:240.85 mi6:47
7:56
+0:09
25.2M
3:06:587:250.35 mi2:59
8:39
+0:43
Finish(26.22 mi)
3:14:357:261.02 mi7:37
7:28
-1:11
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:59 /mi

Average Pace

7:26 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:50:51

57% of race

Time at Steady Pace

45:10

23% of race

Time at Slower Pace

38:34

20% of race

Average Pace: 7:25 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi785869066906878274227422
10K3.10 mi7819+396866+406866+40782868606860
15K3.11 mi8117-2987046-1807046-180878274227422
20K3.11 mi8155-387053-77053-7845971357135
Half(13.11 mi)0.68 mi8140+157034+197034+19832970987098
25K2.42 mi8187-477038-47038-4871271777177
30K3.11 mi8330-1437078-407078-40955174517451
20M1.36 mi8386-567081-37081-3942672177217
21M1.00 mi8348+387022+597022+59876666856685
35K0.75 mi8356-87006+167006+16927769836983
23M1.25 mi8341+156951+556951+55923168406840
24M1.00 mi8352-116927+246927+24965969916991
40K0.85 mi8382-306910+176910+17967068806880
25.2M0.35 mi8388-66893+176893+17964667656765
Finish(26.22 mi)1.02 mi8405-176876+176876+17898964296429

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8782

Males

7422

M40-44

7422

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7828

Males

6860

M40-44

6860

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8782

Males

7422

M40-44

7422

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8459

Males

7135

M40-44

7135

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8329

Males

7098

M40-44

7098

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8712

Males

7177

M40-44

7177

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9551

Males

7451

M40-44

7451

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9426

Males

7217

M40-44

7217

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8766

Males

6685

M40-44

6685

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9277

Males

6983

M40-44

6983

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9231

Males

6840

M40-44

6840

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9659

Males

6991

M40-44

6991

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9670

Males

6880

M40-44

6880

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9646

Males

6765

M40-44

6765

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8989

Males

6429

M40-44

6429

Passing Analysis

Category:
Passed
1315
Passed By
1862
Net Change
-547
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7858
5K → 10K216177+39#7858#7819
10K → 15K65363-298#7819#8117
15K → 20K134172-38#8117#8155
20K → Half3318+15#8155#8140
Half → 25K119166-47#8140#8187
25K → 30K147290-143#8187#8330
30K → 20M79135-56#8330#8386
20M → 21M11072+38#8386#8348
21M → 35K6169-8#8348#8356
35K → 23M121106+15#8356#8341
23M → 24M6980-11#8341#8352
24M → 40K6696-30#8352#8382
40K → 25.2M3844-6#8382#8388
25.2M → Finish5774-17#8388#8405
TOTALS13151862-547

Passing Charts

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