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BOSTON MARATHON 2025

Xuan Wenchang

Bib: 15869•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
7:57/mi
24:43
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
51:14
↑ 79↓ 1380.4%
15K· 9.32 mi
8:31/mi
1:17:43
↑ 67↓ 78
20K· 12.43 mi
8:28/mi
1:44:00
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:49:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:42/mi
2:10:56
↑ 66↓ 880.2%
30K· 18.64 mi
9:41/mi
2:41:02
↑ 181↓ 1480.2%
20M
10:05/mi
2:54:44
↑ 64↓ 500.2%
21M
10:58/mi
3:05:42
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
3:12:38
↑ 17↓ 861.7%
23M
9:41/mi
3:24:45
↑ 23↓ 630.6%
24M
9:11/mi
3:33:56
↓ 821.3%
40K· 24.85 mi
9:13/mi
3:41:49
↓ 200.3%
25.2M
11:53/mi
3:45:55
↑ 13↓ 160.2%
Finish· 26.22 mi
9:15/mi
3:55:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:50
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time2:05:31
Pace9:34 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3924:437:5724:43
7:57
-
10K
6.21 mi11:24:1051:148:1526:31
8:32
+0:35
15K
9.32 mi11:50:391:17:438:2026:29
8:31
-0:01
20K
12.43 mi12:16:561:44:008:2226:17
8:28
-0:03
Half
13.11 mi12:22:461:49:508:235:50
8:33
+0:05
25K
15.53 mi12:43:522:10:568:2621:06
8:42
+0:09
30K
18.64 mi13:13:582:41:028:3830:06
9:41
+0:59
20M
20.00 mi13:27:402:54:448:4413:42
10:05
+0:24
21M
21.00 mi13:38:383:05:428:5110:58
10:58
+0:53
35K
21.75 mi13:45:343:12:388:516:56
9:16
-1:42
23M
23.00 mi13:57:413:24:458:5412:07
9:41
+0:25
24M
24.00 mi14:06:523:33:568:559:11
9:11
-0:30
40K
24.85 mi14:14:453:41:498:557:53
9:13
+0:02
25.2M
25.20 mi14:18:513:45:558:584:06
11:53
+2:40
Finish
26.22 mi14:28:173:55:218:599:26
9:15
-2:38

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

7:57 /mi

Average Pace

8:59 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:56

56% of race

Time at Steady Pace

1:15:39

32% of race

Time at Slower Pace

28:46

12% of race

Average Pace: 8:59 /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 mi10:57:3924:437:5724:43
7:57
#16237
10K
6.21 mi11:24:1051:148:1526:31
8:32
#18264
15K
9.32 mi11:50:391:17:438:2026:29
8:31
#18631
20K
12.43 mi12:16:561:44:008:2226:17
8:28
#18436
Half
13.11 mi12:22:461:49:508:235:50
8:33
#18499
25K
15.53 mi12:43:522:10:568:2621:06
8:42
#18463
30K
18.64 mi13:13:582:41:028:3830:06
9:41
#18975
20M
20.00 mi13:27:402:54:448:4413:42
10:05
#19213
21M
21.00 mi13:38:383:05:428:5110:58
10:58
#19396
35K
21.75 mi13:45:343:12:388:516:56
9:16
#19404
23M
23.00 mi13:57:413:24:458:5412:07
9:41
#19425
24M
24.00 mi14:06:523:33:568:559:11
9:11
#19367
40K
24.85 mi14:14:453:41:498:557:53
9:13
#19292
25.2M
25.20 mi14:18:513:45:558:584:06
11:53
#19370
Finish
26.22 mi14:28:173:55:218:599:26
9:15
#19415
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16237109051090519467(Top 69%)12260(Top 76%)12260(Top 744%)
10K6.21 mi3.10 mi18264-202711727-82211727-82219993(Top 70%)12477(Top 77%)12477(Top 757%)
15K9.32 mi3.11 mi18631-36711881-15411881-15419467(Top 69%)12260(Top 76%)12260(Top 744%)
20K12.43 mi3.11 mi18436+19511795+8611795+8617949(Top 63%)11586(Top 72%)11586(Top 703%)
Half13.11 mi0.68 mi18499-6311833-3811833-3819491(Top 69%)12255(Top 76%)12255(Top 744%)
25K15.53 mi2.42 mi18463+3611797+3611797+3618394(Top 65%)11697(Top 73%)11697(Top 710%)
30K18.64 mi3.11 mi18975-51211987-19011987-19020647(Top 73%)12578(Top 78%)12578(Top 763%)
20M20.00 mi1.36 mi19213-23812058-7112058-7121202(Top 75%)12675(Top 79%)12675(Top 769%)
21M21.00 mi1.00 mi19396-18312110-5212110-5221286(Top 75%)12633(Top 78%)12633(Top 767%)
35K21.75 mi0.75 mi19404-812101+912101+919437(Top 68%)11704(Top 73%)11704(Top 710%)
23M23.00 mi1.25 mi19425-2112071+3012071+3019360(Top 68%)11602(Top 72%)11602(Top 704%)
24M24.00 mi1.00 mi19367+5812021+5012021+5018269(Top 64%)11051(Top 69%)11051(Top 671%)
40K24.85 mi0.85 mi19292+7511980+4111980+4117437(Top 61%)10575(Top 66%)10575(Top 642%)
25.2M25.20 mi0.35 mi19370-7812000-2012000-2022964(Top 81%)13258(Top 82%)13258(Top 804%)
Finish26.22 mi1.02 mi19415-4512003-312003-320194(Top 71%)11892(Top 74%)11892(Top 722%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19467

Males

12260

M55-59

12260

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19993

Males

12477

M55-59

12477

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19467

Males

12260

M55-59

12260

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

17949

Males

11586

M55-59

11586

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19491

Males

12255

M55-59

12255

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18394

Males

11697

M55-59

11697

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20647

Males

12578

M55-59

12578

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21202

Males

12675

M55-59

12675

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21286

Males

12633

M55-59

12633

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19437

Males

11704

M55-59

11704

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

19360

Males

11602

M55-59

11602

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18269

Males

11051

M55-59

11051

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17437

Males

10575

M55-59

10575

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22964

Males

13258

M55-59

13258

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20194

Males

11892

M55-59

11892

Passing Analysis

Category:
Athletes Passed
1184
Passed By
4362
Net Change
-3178
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16237
5K → 10K142041-2027#16237#18264
10K → 15K79446-367#18264#18631
15K → 20K28691+195#18631#18436
20K → Half1578-63#18436#18499
Half → 25K190154+36#18499#18463
25K → 30K110622-512#18463#18975
30K → 20M50288-238#18975#19213
20M → 21M49232-183#19213#19396
21M → 35K5159-8#19396#19404
35K → 23M88109-21#19404#19425
23M → 24M9739+58#19425#19367
24M → 40K9419+75#19367#19292
40K → 25.2M1795-78#19292#19370
25.2M → Finish4489-45#19370#19415
TOTALS11844362-3178
📊

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