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BOSTON MARATHON 2025

Xiaolei Wang

Bib: 13353 M CN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 26%
Gender (Male)
#0 / 16105
Top 39%
Masters (Masters Men)
#0 / 10463
Top 26%
Division (M50-54)
#0 / 1996
Top 23%
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
6:55/mi
21:29
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:53/mi
42:52
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:56/mi
1:04:24
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:06/mi
1:26:28
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:53/mi
1:31:10
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:00/mi
1:48:08
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:36/mi
2:11:44
↑ 181↓ 1480.2%
138 ft elev
20M
7:54/mi
2:22:28
↑ 64↓ 500.2%
148 ft elev
21M
8:22/mi
2:30:50
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:33/mi
2:36:29
↑ 17↓ 861.7%
156 ft elev
23M
8:01/mi
2:46:31
↑ 23↓ 630.6%
116 ft elev
24M
7:50/mi
2:54:21
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:01/mi
3:01:12
↓ 200.3%
20 ft elev
25.2M
8:30/mi
3:04:08
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:15/mi
3:11:31
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:10
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:40:21
Pace7:39 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4021:296:5521:29
6:55
-
10K
6.21 mi11:12:0342:526:5421:23
6:53
-0:02
15K
9.32 mi11:33:351:04:246:5521:32
6:56
+0:03
20K
12.43 mi11:55:391:26:286:5722:04
7:06
+0:10
Half
13.11 mi12:00:211:31:106:574:42
6:53
-0:13
25K
15.53 mi12:17:191:48:086:5816:58
7:00
+0:07
30K
18.64 mi12:40:552:11:447:0423:36
7:36
+0:36
20M
20.00 mi12:51:392:22:287:0710:44
7:54
+0:18
21M
21.00 mi13:00:012:30:507:118:22
8:22
+0:28
35K
21.75 mi13:05:402:36:297:125:39
7:33
-0:49
23M
23.00 mi13:15:422:46:317:1410:02
8:01
+0:28
24M
24.00 mi13:23:322:54:217:167:50
7:50
-0:11
40K
24.85 mi13:30:233:01:127:176:51
8:01
+0:11
25.2M
25.20 mi13:33:193:04:087:182:56
8:30
+0:29
Finish
26.22 mi13:40:423:11:317:197:23
7:15
-1:15

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

6:53 /mi

Average Pace

7:19 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:31

60% of race

Time at Steady Pace

29:15

15% of race

Time at Slower Pace

46:45

24% of race

Average Pace: 7:18 /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 mi10:50:4021:296:5521:29
6:55
#7180
10K
6.21 mi11:12:0342:526:5421:23
6:53
#7141
15K
9.32 mi11:33:351:04:246:5521:32
6:56
#7147
20K
12.43 mi11:55:391:26:286:5722:04
7:06
#7225
Half
13.11 mi12:00:211:31:106:574:42
6:53
#7198
25K
15.53 mi12:17:191:48:086:5816:58
7:00
#7003
30K
18.64 mi12:40:552:11:447:0423:36
7:36
#7135
20M
20.00 mi12:51:392:22:287:0710:44
7:54
#7210
21M
21.00 mi13:00:012:30:507:118:22
8:22
#7281
35K
21.75 mi13:05:402:36:297:125:39
7:33
#7285
23M
23.00 mi13:15:422:46:317:1410:02
8:01
#7388
24M
24.00 mi13:23:322:54:217:167:50
7:50
#7440
40K
24.85 mi13:30:233:01:127:176:51
8:01
#7518
25.2M
25.20 mi13:33:193:04:087:182:56
8:30
#7519
Finish
26.22 mi13:40:423:11:317:197:23
7:15
#7478
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7180643564357163(Top 25%)6369(Top 40%)6369(Top 319%)
10K6.21 mi3.10 mi7141+396398+376398+377104(Top 25%)6356(Top 39%)6356(Top 318%)
15K9.32 mi3.11 mi7147-66396+26396+27163(Top 25%)6369(Top 40%)6369(Top 319%)
20K12.43 mi3.11 mi7225-786435-396435-397517(Top 26%)6561(Top 41%)6561(Top 329%)
Half13.11 mi0.68 mi7198+276417+186417+186790(Top 24%)6055(Top 38%)6055(Top 303%)
25K15.53 mi2.42 mi7003+1956257+1606257+1606312(Top 22%)5626(Top 35%)5626(Top 282%)
30K18.64 mi3.11 mi7135-1326305-486305-488404(Top 30%)6822(Top 42%)6822(Top 342%)
20M20.00 mi1.36 mi7210-756328-236328-239672(Top 34%)7343(Top 46%)7343(Top 368%)
21M21.00 mi1.00 mi7281-716346-186346-189594(Top 34%)7137(Top 44%)7137(Top 358%)
35K21.75 mi0.75 mi7285-46322+246322+248946(Top 31%)6808(Top 42%)6808(Top 341%)
23M23.00 mi1.25 mi7388-1036349-276349-2710082(Top 35%)7267(Top 45%)7267(Top 364%)
24M24.00 mi1.00 mi7440-526348+16348+110003(Top 35%)7152(Top 44%)7152(Top 358%)
40K24.85 mi0.85 mi7518-786364-166364-1610235(Top 36%)7148(Top 44%)7148(Top 358%)
25.2M25.20 mi0.35 mi7519-16351+136351+138738(Top 31%)6297(Top 39%)6297(Top 315%)
Finish26.22 mi1.02 mi7478+416294+576294+577324(Top 26%)5509(Top 34%)5509(Top 276%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7163

Males

6369

M50-54

6369

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

7104

Males

6356

M50-54

6356

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7163

Males

6369

M50-54

6369

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7517

Males

6561

M50-54

6561

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6790

Males

6055

M50-54

6055

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

6312

Males

5626

M50-54

5626

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8404

Males

6822

M50-54

6822

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9672

Males

7343

M50-54

7343

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9594

Males

7137

M50-54

7137

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8946

Males

6808

M50-54

6808

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

10082

Males

7267

M50-54

7267

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

10003

Males

7152

M50-54

7152

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10235

Males

7148

M50-54

7148

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8738

Males

6297

M50-54

6297

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

7324

Males

5509

M50-54

5509

Passing Analysis

Category:
Athletes Passed
1338
Passed By
1636
Net Change
-298
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7180
5K → 10K227188+39#7180#7141
10K → 15K144150-6#7141#7147
15K → 20K115193-78#7147#7225
20K → Half336+27#7225#7198
Half → 25K21722+195#7198#7003
25K → 30K138270-132#7003#7135
30K → 20M71146-75#7135#7210
20M → 21M62133-71#7210#7281
21M → 35K5054-4#7281#7285
35K → 23M63166-103#7285#7388
23M → 24M49101-52#7388#7440
24M → 40K50128-78#7440#7518
40K → 25.2M3334-1#7518#7519
25.2M → Finish8645+41#7519#7478
TOTALS13381636-298
📊

Passing Visuals

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