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BOSTON MARATHON 2025

Yuen Wing Li

Bib: 9705•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 30%
Masters (Masters Men)
#0 / 10463
Top 16%
Division (M45-49)
#0 / 2386
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:35
Rank: #7398
Start → 5K
21:35 | 6:57/mi
10K· 6.21 mi
42:46
Rank: #7025 (+373)
5K → 10K
21:11 | 6:49/mi
15K· 9.32 mi
1:03:45
Rank: #6565 (+460)
10K → 15K
20:59 | 6:45/mi
20K· 12.43 mi
1:24:59
Rank: #6295 (+270)
15K → 20K
21:14 | 6:50/mi
Half· 13.11 mi
1:29:32
Rank: #6219 (+76)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:46:10
Rank: #6018 (+201)
Half → 25K
16:38 | 6:52/mi
30K· 18.64 mi
2:08:05
Rank: #5748 (+270)
25K → 30K
21:55 | 7:03/mi
20M
2:18:00
Rank: #5739 (+9)
30K → 20M
9:55 | 7:18/mi
21M
2:25:43
Rank: #5687 (+52)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:30:54
Rank: #5641 (+46)
21M → 35K
5:11 | 6:56/mi
23M
2:40:08
Rank: #5566 (+75)
35K → 23M
9:14 | 7:22/mi
24M
2:47:11
Rank: #5490 (+76)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:53:15
Rank: #5404 (+86)
24M → 40K
6:04 | 7:06/mi
25.2M
2:56:00
Rank: #5383 (+21)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:03:07
Rank: #5340 (+43)
25.2M → Finish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:32
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:33:35
Pace7:08 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3821:356:5721:35
6:57
-
10K
6.21 mi11:08:4942:466:5321:11
6:49
-0:08
15K
9.32 mi11:29:481:03:456:5020:59
6:45
-0:04
20K
12.43 mi11:51:021:24:596:5021:14
6:50
+0:05
Half
13.11 mi11:55:351:29:326:504:33
6:40
-0:10
25K
15.53 mi12:12:131:46:106:5016:38
6:52
+0:12
30K
18.64 mi12:34:082:08:056:5221:55
7:03
+0:11
20M
20.00 mi12:44:032:18:006:549:55
7:18
+0:15
21M
21.00 mi12:51:462:25:436:567:43
7:43
+0:25
35K
21.75 mi12:56:572:30:546:565:11
6:56
-0:47
23M
23.00 mi13:06:112:40:086:589:14
7:22
+0:26
24M
24.00 mi13:13:142:47:116:587:03
7:03
-0:19
40K
24.85 mi13:19:182:53:156:586:04
7:06
+0:03
25.2M
25.20 mi13:22:032:56:006:592:45
7:58
+0:52
Finish
26.22 mi13:29:103:03:076:597:07
6:59
-0:59

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

6:40 /mi

Average Pace

6:59 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:25

89% of race

Time at Steady Pace

16:57

9% of race

Time at Slower Pace

2:45

2% of race

Average Pace: 6:59 /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 mi10:47:3821:356:5721:35
6:57
#7398
10K
6.21 mi11:08:4942:466:5321:11
6:49
#7025
15K
9.32 mi11:29:481:03:456:5020:59
6:45
#6565
20K
12.43 mi11:51:021:24:596:5021:14
6:50
#6295
Half
13.11 mi11:55:351:29:326:504:33
6:40
#6219
25K
15.53 mi12:12:131:46:106:5016:38
6:52
#6018
30K
18.64 mi12:34:082:08:056:5221:55
7:03
#5748
20M
20.00 mi12:44:032:18:006:549:55
7:18
#5739
21M
21.00 mi12:51:462:25:436:567:43
7:43
#5687
35K
21.75 mi12:56:572:30:546:565:11
6:56
#5641
23M
23.00 mi13:06:112:40:086:589:14
7:22
#5566
24M
24.00 mi13:13:142:47:116:587:03
7:03
#5490
40K
24.85 mi13:19:182:53:156:586:04
7:06
#5404
25.2M
25.20 mi13:22:032:56:006:592:45
7:58
#5383
Finish
26.22 mi13:29:103:03:076:597:07
6:59
#5340
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7398659265925631(Top 20%)5148(Top 32%)5148(Top 216%)
10K6.21 mi3.10 mi7025+3736309+2836309+2836584(Top 23%)5950(Top 37%)5950(Top 249%)
15K9.32 mi3.11 mi6565+4605934+3755934+3755631(Top 20%)5148(Top 32%)5148(Top 216%)
20K12.43 mi3.11 mi6295+2705718+2165718+2165649(Top 20%)5152(Top 32%)5152(Top 216%)
Half13.11 mi0.68 mi6219+765656+625656+625046(Top 18%)4675(Top 29%)4675(Top 196%)
25K15.53 mi2.42 mi6018+2015475+1815475+1815370(Top 19%)4898(Top 30%)4898(Top 205%)
30K18.64 mi3.11 mi5748+2705235+2405235+2405044(Top 18%)4576(Top 28%)4576(Top 192%)
20M20.00 mi1.36 mi5739+95222+135222+135776(Top 20%)5037(Top 31%)5037(Top 211%)
21M21.00 mi1.00 mi5687+525172+505172+505728(Top 20%)4888(Top 30%)4888(Top 205%)
35K21.75 mi0.75 mi5641+465129+435129+434930(Top 17%)4342(Top 27%)4342(Top 182%)
23M23.00 mi1.25 mi5566+755048+815048+815883(Top 21%)4897(Top 30%)4897(Top 205%)
24M24.00 mi1.00 mi5490+764973+754973+754921(Top 17%)4209(Top 26%)4209(Top 176%)
40K24.85 mi0.85 mi5404+864893+804893+804453(Top 16%)3821(Top 24%)3821(Top 160%)
25.2M25.20 mi0.35 mi5383+214868+254868+255784(Top 20%)4609(Top 29%)4609(Top 193%)
Finish26.22 mi1.02 mi5340+434820+484820+485630(Top 20%)4501(Top 28%)4501(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5631

Males

5148

M45-49

5148

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6584

Males

5950

M45-49

5950

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5631

Males

5148

M45-49

5148

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5649

Males

5152

M45-49

5152

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5046

Males

4675

M45-49

4675

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5370

Males

4898

M45-49

4898

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5044

Males

4576

M45-49

4576

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5776

Males

5037

M45-49

5037

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5728

Males

4888

M45-49

4888

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4930

Males

4342

M45-49

4342

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5883

Males

4897

M45-49

4897

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4921

Males

4209

M45-49

4209

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4453

Males

3821

M45-49

3821

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5784

Males

4609

M45-49

4609

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5630

Males

4501

M45-49

4501

Passing Analysis

Category:
Athletes Passed
2455
Passed By
397
Net Change
+2058
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7398
5K → 10K44370+373#7398#7025
10K → 15K47111+460#7025#6565
15K → 20K29020+270#6565#6295
20K → Half837+76#6295#6219
Half → 25K22423+201#6219#6018
25K → 30K32252+270#6018#5748
30K → 20M7263+9#5748#5739
20M → 21M8937+52#5739#5687
21M → 35K5711+46#5687#5641
35K → 23M11742+75#5641#5566
23M → 24M9418+76#5566#5490
24M → 40K937+86#5490#5404
40K → 25.2M3110+21#5404#5383
25.2M → Finish6926+43#5383#5340
TOTALS2455397+2058
📊

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