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BOSTON MARATHON 2025

Wei Zhang

Bib: 13705•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:55
Rank: #20815
Start → 5K
26:55 | 8:40/mi
10K· 6.21 mi
53:29
Rank: #20428 (+387)
5K → 10K
26:34 | 8:33/mi
15K· 9.32 mi
1:19:31
Rank: #19865 (+563)
10K → 15K
26:02 | 8:23/mi
20K· 12.43 mi
1:46:12
Rank: #19562 (+303)
15K → 20K
26:41 | 8:35/mi
Half· 13.11 mi
1:52:01
Rank: #19552 (+10)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:13:39
Rank: #19531 (+21)
Half → 25K
21:38 | 8:55/mi
30K· 18.64 mi
2:42:44
Rank: #19491 (+40)
25K → 30K
29:05 | 9:22/mi
20M
2:55:01
Rank: #19291 (+200)
30K → 20M
12:17 | 9:02/mi
21M
3:04:33
Rank: #19108 (+183)
20M → 21M
9:32 | 9:32/mi
35K· 21.75 mi
3:11:01
Rank: #19010 (+98)
21M → 35K
6:28 | 8:39/mi
23M
3:21:50
Rank: #18725 (+285)
35K → 23M
10:49 | 8:38/mi
24M
3:30:06
Rank: #18483 (+242)
23M → 24M
8:16 | 8:16/mi
40K· 24.85 mi
3:37:07
Rank: #18223 (+260)
24M → 40K
7:01 | 8:12/mi
25.2M
3:40:09
Rank: #18107 (+116)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:47:35
Rank: #17742 (+365)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:01
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time1:55:34
Pace8:49 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:1726:558:4026:55
8:40
-
10K
6.21 mi11:52:5153:298:3626:34
8:33
-0:07
15K
9.32 mi12:18:531:19:318:3226:02
8:23
-0:10
20K
12.43 mi12:45:341:46:128:3326:41
8:35
+0:12
Half
13.11 mi12:51:231:52:018:335:49
8:32
-0:03
25K
15.53 mi13:13:012:13:398:3621:38
8:55
+0:23
30K
18.64 mi13:42:062:42:448:4429:05
9:22
+0:27
20M
20.00 mi13:54:232:55:018:4512:17
9:02
-0:20
21M
21.00 mi14:03:553:04:338:479:32
9:32
+0:30
35K
21.75 mi14:10:233:11:018:476:28
8:39
-0:53
23M
23.00 mi14:21:123:21:508:4710:49
8:38
-0:01
24M
24.00 mi14:29:283:30:068:458:16
8:16
-0:22
40K
24.85 mi14:36:293:37:078:447:01
8:12
-0:04
25.2M
25.20 mi14:39:313:40:098:443:02
8:48
+0:36
Finish
26.22 mi14:46:573:47:358:417:26
7:18
-1:30

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

7:18 /mi

Average Pace

8:41 /mi

Slowest Pace

9:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:43

10% of race

Time at Steady Pace

2:12:20

58% of race

Time at Slower Pace

1:12:32

32% of race

Average Pace: 8:41 /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 mi11:26:1726:558:4026:55
8:40
#20815
10K
6.21 mi11:52:5153:298:3626:34
8:33
#20428
15K
9.32 mi12:18:531:19:318:3226:02
8:23
#19865
20K
12.43 mi12:45:341:46:128:3326:41
8:35
#19562
Half
13.11 mi12:51:231:52:018:335:49
8:32
#19552
25K
15.53 mi13:13:012:13:398:3621:38
8:55
#19531
30K
18.64 mi13:42:062:42:448:4429:05
9:22
#19491
20M
20.00 mi13:54:232:55:018:4512:17
9:02
#19291
21M
21.00 mi14:03:553:04:338:479:32
9:32
#19108
35K
21.75 mi14:10:233:11:018:476:28
8:39
#19010
23M
23.00 mi14:21:123:21:508:4710:49
8:38
#18725
24M
24.00 mi14:29:283:30:068:458:16
8:16
#18483
40K
24.85 mi14:36:293:37:078:447:01
8:12
#18223
25.2M
25.20 mi14:39:313:40:098:443:02
8:48
#18107
Finish
26.22 mi14:46:573:47:358:417:26
7:18
#17742
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi20815127751277518563(Top 65%)11869(Top 74%)11869(Top 595%)
10K6.21 mi3.10 mi20428+38712637+13812637+13820085(Top 71%)12515(Top 78%)12515(Top 627%)
15K9.32 mi3.11 mi19865+56312418+21912418+21918563(Top 65%)11869(Top 74%)11869(Top 595%)
20K12.43 mi3.11 mi19562+30312283+13512283+13518769(Top 66%)11928(Top 74%)11928(Top 598%)
Half13.11 mi0.68 mi19552+1012273+1012273+1019312(Top 68%)12166(Top 76%)12166(Top 610%)
25K15.53 mi2.42 mi19531+2112261+1212261+1219515(Top 69%)12190(Top 76%)12190(Top 611%)
30K18.64 mi3.11 mi19491+4012202+5912202+5919379(Top 68%)12000(Top 75%)12000(Top 601%)
20M20.00 mi1.36 mi19291+20012087+11512087+11516997(Top 60%)10823(Top 67%)10823(Top 542%)
21M21.00 mi1.00 mi19108+18311996+9111996+9116215(Top 57%)10350(Top 64%)10350(Top 519%)
35K21.75 mi0.75 mi19010+9811928+6811928+6816312(Top 57%)10321(Top 64%)10321(Top 517%)
23M23.00 mi1.25 mi18725+28511778+15011778+15014179(Top 50%)9258(Top 57%)9258(Top 464%)
24M24.00 mi1.00 mi18483+24211649+12911649+12913024(Top 46%)8671(Top 54%)8671(Top 434%)
40K24.85 mi0.85 mi18223+26011504+14511504+14511600(Top 41%)7878(Top 49%)7878(Top 395%)
25.2M25.20 mi0.35 mi18107+11611445+5911445+5910616(Top 37%)7308(Top 45%)7308(Top 366%)
Finish26.22 mi1.02 mi17742+36511262+18311262+1837749(Top 27%)5778(Top 36%)5778(Top 289%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

18563

Males

11869

M50-54

11869

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

20085

Males

12515

M50-54

12515

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

18563

Males

11869

M50-54

11869

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18769

Males

11928

M50-54

11928

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19312

Males

12166

M50-54

12166

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19515

Males

12190

M50-54

12190

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19379

Males

12000

M50-54

12000

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16997

Males

10823

M50-54

10823

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16215

Males

10350

M50-54

10350

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16312

Males

10321

M50-54

10321

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14179

Males

9258

M50-54

9258

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

13024

Males

8671

M50-54

8671

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11600

Males

7878

M50-54

7878

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10616

Males

7308

M50-54

7308

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7749

Males

5778

M50-54

5778

Passing Analysis

Category:
Athletes Passed
3719
Passed By
646
Net Change
+3073
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20815
5K → 10K520133+387#20815#20428
10K → 15K58320+563#20428#19865
15K → 20K35855+303#19865#19562
20K → Half4131+10#19562#19552
Half → 25K175154+21#19552#19531
25K → 30K233193+40#19531#19491
30K → 20M21515+200#19491#19291
20M → 21M20522+183#19291#19108
21M → 35K11214+98#19108#19010
35K → 23M2894+285#19010#18725
23M → 24M2431+242#18725#18483
24M → 40K2622+260#18483#18223
40K → 25.2M1160+116#18223#18107
25.2M → Finish3672+365#18107#17742
TOTALS3719646+3073
📊

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