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BOSTON MARATHON 2025

Wenshan Zhang

Bib: 13927•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 47%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 49%
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:22/mi
22:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:07
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:09:27
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:33:14
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:38:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
1:56:57
↑ 66↓ 880.2%
30K· 18.64 mi
8:19/mi
2:22:46
↑ 181↓ 1480.2%
20M
9:19/mi
2:35:26
↑ 64↓ 500.2%
21M
9:05/mi
2:44:31
↑ 106↓ 241.6%
35K· 21.75 mi
9:23/mi
2:51:32
↑ 17↓ 861.7%
23M
8:15/mi
3:01:52
↑ 23↓ 630.6%
24M
8:32/mi
3:10:24
↓ 821.3%
40K· 24.85 mi
9:23/mi
3:18:25
↓ 200.3%
25.2M
9:08/mi
3:21:34
↑ 13↓ 160.2%
Finish· 26.22 mi
8:16/mi
3:29:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:11
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:51:48
Pace8:32 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1022:537:2222:53
7:22
-
10K
6.21 mi11:15:2446:077:2523:14
7:29
+0:07
15K
9.32 mi11:38:441:09:277:2723:20
7:31
+0:02
20K
12.43 mi12:02:311:33:147:3023:47
7:39
+0:08
Half
13.11 mi12:07:281:38:117:294:57
7:15
-0:24
25K
15.53 mi12:26:141:56:577:3218:46
7:44
+0:29
30K
18.64 mi12:52:032:22:467:4025:49
8:19
+0:35
20M
20.00 mi13:04:432:35:267:4612:40
9:19
+1:00
21M
21.00 mi13:13:482:44:317:509:05
9:05
-0:14
35K
21.75 mi13:20:492:51:327:537:01
9:23
+0:18
23M
23.00 mi13:31:093:01:527:5410:20
8:15
-1:08
24M
24.00 mi13:39:413:10:247:568:32
8:32
+0:17
40K
24.85 mi13:47:423:18:257:598:01
9:23
+0:51
25.2M
25.20 mi13:50:513:21:348:003:09
9:08
-0:15
Finish
26.22 mi13:59:163:29:598:018:25
8:16
-0:52

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

7:15 /mi

Average Pace

8:01 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:57

56% of race

Time at Steady Pace

53:06

25% of race

Time at Slower Pace

39:56

19% of race

Average Pace: 8:01 /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 mi10:52:1022:537:2222:53
7:22
#10999
10K
6.21 mi11:15:2446:077:2523:14
7:29
#11429
15K
9.32 mi11:38:441:09:277:2723:20
7:31
#11543
20K
12.43 mi12:02:311:33:147:3023:47
7:39
#11649
Half
13.11 mi12:07:281:38:117:294:57
7:15
#11540
25K
15.53 mi12:26:141:56:577:3218:46
7:44
#11573
30K
18.64 mi12:52:032:22:467:4025:49
8:19
#11893
20M
20.00 mi13:04:432:35:267:4612:40
9:19
#12483
21M
21.00 mi13:13:482:44:317:509:05
9:05
#12577
35K
21.75 mi13:20:492:51:327:537:01
9:23
#12921
23M
23.00 mi13:31:093:01:527:5410:20
8:15
#12810
24M
24.00 mi13:39:413:10:247:568:32
8:32
#12907
40K
24.85 mi13:47:423:18:257:598:01
9:23
#13135
25.2M
25.20 mi13:50:513:21:348:003:09
9:08
#13129
Finish
26.22 mi13:59:163:29:598:018:25
8:16
#13213
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi109998695869511838(Top 42%)8990(Top 56%)8990(Top 450%)
10K6.21 mi3.10 mi11429-4308885-1908885-19011892(Top 42%)9105(Top 57%)9105(Top 456%)
15K9.32 mi3.11 mi11543-1148913-288913-2811838(Top 42%)8990(Top 56%)8990(Top 450%)
20K12.43 mi3.11 mi11649-1068931-188931-1811988(Top 42%)8970(Top 56%)8970(Top 449%)
Half13.11 mi0.68 mi11540+1098876+558876+559602(Top 34%)7837(Top 49%)7837(Top 393%)
25K15.53 mi2.42 mi11573-338854+228854+2211861(Top 42%)8789(Top 55%)8789(Top 440%)
30K18.64 mi3.11 mi11893-3208920-668920-6613560(Top 48%)9398(Top 58%)9398(Top 471%)
20M20.00 mi1.36 mi12483-5909156-2369156-23618372(Top 65%)11381(Top 71%)11381(Top 570%)
21M21.00 mi1.00 mi12577-949167-119167-1113973(Top 49%)9314(Top 58%)9314(Top 467%)
35K21.75 mi0.75 mi12921-3449304-1379304-13719851(Top 70%)11892(Top 74%)11892(Top 596%)
23M23.00 mi1.25 mi12810+1119220+849220+8411723(Top 41%)8104(Top 50%)8104(Top 406%)
24M24.00 mi1.00 mi12907-979221-19221-114703(Top 52%)9446(Top 59%)9446(Top 473%)
40K24.85 mi0.85 mi13135-2289296-759296-7518154(Top 64%)10899(Top 68%)10899(Top 546%)
25.2M25.20 mi0.35 mi13129+69285+119285+1112514(Top 44%)8243(Top 51%)8243(Top 413%)
Finish26.22 mi1.02 mi13213-849302-179302-1714644(Top 52%)9316(Top 58%)9316(Top 467%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11838

Males

8990

M50-54

8990

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11892

Males

9105

M50-54

9105

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11838

Males

8990

M50-54

8990

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11988

Males

8970

M50-54

8970

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9602

Males

7837

M50-54

7837

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11861

Males

8789

M50-54

8789

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13560

Males

9398

M50-54

9398

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18372

Males

11381

M50-54

11381

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13973

Males

9314

M50-54

9314

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

19851

Males

11892

M50-54

11892

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11723

Males

8104

M50-54

8104

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14703

Males

9446

M50-54

9446

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18154

Males

10899

M50-54

10899

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12514

Males

8243

M50-54

8243

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14644

Males

9316

M50-54

9316

Passing Analysis

Category:
Athletes Passed
1242
Passed By
3456
Net Change
-2214
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10999
5K → 10K107537-430#10999#11429
10K → 15K143257-114#11429#11543
15K → 20K145251-106#11543#11649
20K → Half1112+109#11649#11540
Half → 25K150183-33#11540#11573
25K → 30K153473-320#11573#11893
30K → 20M33623-590#11893#12483
20M → 21M79173-94#12483#12577
21M → 35K13357-344#12577#12921
35K → 23M15140+111#12921#12810
23M → 24M54151-97#12810#12907
24M → 40K30258-228#12907#13135
40K → 25.2M3428+6#13135#13129
25.2M → Finish39123-84#13129#13213
TOTALS12423456-2214
📊

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