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BOSTON MARATHON 2025

Wai Yin Leung

Bib: 29150•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:01
Rank: #16995
Start → 5K
25:01 | 8:03/mi
10K· 6.21 mi
50:13
Rank: #17124 (-129)
5K → 10K
25:12 | 8:07/mi
15K· 9.32 mi
1:14:22
Rank: #16155 (+969)
10K → 15K
24:09 | 7:46/mi
20K· 12.43 mi
1:38:32
Rank: #15358 (+797)
15K → 20K
24:10 | 7:47/mi
Half· 13.11 mi
1:43:33
Rank: #15082 (+276)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
2:02:45
Rank: #14727 (+355)
Half → 25K
19:12 | 7:55/mi
30K· 18.64 mi
2:28:46
Rank: #14537 (+190)
25K → 30K
26:01 | 8:22/mi
20M
2:39:53
Rank: #14262 (+275)
30K → 20M
11:07 | 8:11/mi
21M
2:48:16
Rank: #13948 (+314)
20M → 21M
8:23 | 8:23/mi
35K· 21.75 mi
2:54:03
Rank: #13794 (+154)
21M → 35K
5:47 | 7:44/mi
23M
3:04:26
Rank: #13651 (+143)
35K → 23M
10:23 | 8:18/mi
24M
3:12:52
Rank: #13686 (-35)
23M → 24M
8:26 | 8:26/mi
40K· 24.85 mi
3:19:58
Rank: #13613 (+73)
24M → 40K
7:06 | 8:18/mi
25.2M
3:23:06
Rank: #13580 (+33)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:31:18
Rank: #13559 (+21)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:33
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:47:45
Pace8:13 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4725:018:0325:01
8:03
-
10K
6.21 mi12:12:5950:138:0525:12
8:07
+0:04
15K
9.32 mi12:37:081:14:227:5924:09
7:46
-0:21
20K
12.43 mi13:01:181:38:327:5624:10
7:47
+0:01
Half
13.11 mi13:06:191:43:337:545:01
7:21
-0:26
25K
15.53 mi13:25:312:02:457:5419:12
7:55
+0:34
30K
18.64 mi13:51:322:28:467:5926:01
8:22
+0:27
20M
20.00 mi14:02:392:39:538:0011:07
8:11
-0:11
21M
21.00 mi14:11:022:48:168:018:23
8:23
+0:12
35K
21.75 mi14:16:492:54:038:005:47
7:44
-0:39
23M
23.00 mi14:27:123:04:268:0110:23
8:18
+0:34
24M
24.00 mi14:35:383:12:528:028:26
8:26
+0:08
40K
24.85 mi14:42:443:19:588:037:06
8:18
-0:08
25.2M
25.20 mi14:45:523:23:068:043:08
9:05
+0:47
Finish
26.22 mi14:54:043:31:188:048:12
8:03
-1:02

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

7:21 /mi

Average Pace

8:04 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:19

37% of race

Time at Steady Pace

1:27:01

41% of race

Time at Slower Pace

45:58

22% of race

Average Pace: 8:04 /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 mi11:47:4725:018:0325:01
8:03
#16995
10K
6.21 mi12:12:5950:138:0525:12
8:07
#17124
15K
9.32 mi12:37:081:14:227:5924:09
7:46
#16155
20K
12.43 mi13:01:181:38:327:5624:10
7:47
#15358
Half
13.11 mi13:06:191:43:337:545:01
7:21
#15082
25K
15.53 mi13:25:312:02:457:5419:12
7:55
#14727
30K
18.64 mi13:51:322:28:467:5926:01
8:22
#14537
20M
20.00 mi14:02:392:39:538:0011:07
8:11
#14262
21M
21.00 mi14:11:022:48:168:018:23
8:23
#13948
35K
21.75 mi14:16:492:54:038:005:47
7:44
#13794
23M
23.00 mi14:27:123:04:268:0110:23
8:18
#13651
24M
24.00 mi14:35:383:12:528:028:26
8:26
#13686
40K
24.85 mi14:42:443:19:588:037:06
8:18
#13613
25.2M
25.20 mi14:45:523:23:068:043:08
9:05
#13580
Finish
26.22 mi14:54:043:31:188:048:12
8:03
#13559
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi16995112041120414128(Top 50%)9990(Top 62%)9990(Top 445%)
10K6.21 mi3.10 mi17124-12911270-6611270-6617265(Top 61%)11347(Top 70%)11347(Top 505%)
15K9.32 mi3.11 mi16155+96910875+39510875+39514128(Top 50%)9990(Top 62%)9990(Top 445%)
20K12.43 mi3.11 mi15358+79710528+34710528+34713083(Top 46%)9455(Top 59%)9455(Top 421%)
Half13.11 mi0.68 mi15082+27610408+12010408+12010483(Top 37%)8296(Top 52%)8296(Top 369%)
25K15.53 mi2.42 mi14727+35510220+18810220+18813236(Top 47%)9410(Top 58%)9410(Top 419%)
30K18.64 mi3.11 mi14537+19010085+13510085+13513966(Top 49%)9583(Top 60%)9583(Top 426%)
20M20.00 mi1.36 mi14262+2759937+1489937+14811679(Top 41%)8369(Top 52%)8369(Top 372%)
21M21.00 mi1.00 mi13948+3149772+1659772+1659752(Top 34%)7244(Top 45%)7244(Top 322%)
35K21.75 mi0.75 mi13794+1549677+959677+9510308(Top 36%)7542(Top 47%)7542(Top 336%)
23M23.00 mi1.25 mi13651+1439576+1019576+10111992(Top 42%)8230(Top 51%)8230(Top 366%)
24M24.00 mi1.00 mi13686-359566+109566+1014078(Top 50%)9177(Top 57%)9177(Top 408%)
40K24.85 mi0.85 mi13613+739508+589508+5812158(Top 43%)8135(Top 51%)8135(Top 362%)
25.2M25.20 mi0.35 mi13580+339483+259483+2512243(Top 43%)8126(Top 50%)8126(Top 362%)
Finish26.22 mi1.02 mi13559+219452+319452+3113187(Top 46%)8610(Top 53%)8610(Top 383%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

14128

Males

9990

M40-44

9990

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17265

Males

11347

M40-44

11347

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

14128

Males

9990

M40-44

9990

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

13083

Males

9455

M40-44

9455

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10483

Males

8296

M40-44

8296

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13236

Males

9410

M40-44

9410

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13966

Males

9583

M40-44

9583

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11679

Males

8369

M40-44

8369

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9752

Males

7244

M40-44

7244

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

10308

Males

7542

M40-44

7542

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11992

Males

8230

M40-44

8230

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14078

Males

9177

M40-44

9177

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12158

Males

8135

M40-44

8135

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12243

Males

8126

M40-44

8126

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

13187

Males

8610

M40-44

8610

Passing Analysis

Category:
Athletes Passed
4291
Passed By
855
Net Change
+3436
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16995
5K → 10K250379-129#16995#17124
10K → 15K9767+969#17124#16155
15K → 20K8014+797#16155#15358
20K → Half2771+276#15358#15082
Half → 25K38227+355#15082#14727
25K → 30K331141+190#14727#14537
30K → 20M28813+275#14537#14262
20M → 21M3195+314#14262#13948
21M → 35K1573+154#13948#13794
35K → 23M18340+143#13794#13651
23M → 24M77112-35#13651#13686
24M → 40K11441+73#13686#13613
40K → 25.2M5522+33#13613#13580
25.2M → Finish8160+21#13580#13559
TOTALS4291855+3436
📊

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