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BOSTON MARATHON 2025

Huwan Peng

Bib: 4146•M

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:25
Rank: #4352
Start → 5K
20:25 | 6:34/mi
10K· 6.21 mi
40:31
Rank: #3920 (+432)
5K → 10K
20:06 | 6:28/mi
15K· 9.32 mi
1:00:29
Rank: #3613 (+307)
10K → 15K
19:58 | 6:26/mi
20K· 12.43 mi
1:20:33
Rank: #3367 (+246)
15K → 20K
20:04 | 6:28/mi
Half· 13.11 mi
1:24:51
Rank: #3317 (+50)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:40:39
Rank: #3251 (+66)
Half → 25K
15:48 | 6:31/mi
30K· 18.64 mi
2:01:56
Rank: #3272 (-21)
25K → 30K
21:17 | 6:51/mi
20M
2:11:27
Rank: #3294 (-22)
30K → 20M
9:31 | 7:00/mi
21M
2:18:44
Rank: #3272 (+22)
20M → 21M
7:17 | 7:17/mi
35K· 21.75 mi
2:23:47
Rank: #3270 (+2)
21M → 35K
5:03 | 6:45/mi
23M
2:32:26
Rank: #3206 (+64)
35K → 23M
8:39 | 6:55/mi
24M
2:39:12
Rank: #3179 (+27)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:45:09
Rank: #3150 (+29)
24M → 40K
5:57 | 6:58/mi
25.2M
2:47:43
Rank: #3121 (+29)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:54:29
Rank: #3115 (+6)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:51
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:29:38
Pace6:50 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5120:256:3420:25
6:34
-
10K
6.21 mi10:42:5740:316:3120:06
6:28
-0:06
15K
9.32 mi11:02:551:00:296:2919:58
6:26
-0:02
20K
12.43 mi11:22:591:20:336:2920:04
6:28
+0:02
Half
13.11 mi11:27:171:24:516:284:18
6:18
-0:10
25K
15.53 mi11:43:051:40:396:2915:48
6:31
+0:13
30K
18.64 mi12:04:222:01:566:3221:17
6:51
+0:20
20M
20.00 mi12:13:532:11:276:349:31
7:00
+0:09
21M
21.00 mi12:21:102:18:446:367:17
7:17
+0:17
35K
21.75 mi12:26:132:23:476:375:03
6:45
-0:32
23M
23.00 mi12:34:522:32:266:388:39
6:55
+0:10
24M
24.00 mi12:41:382:39:126:386:46
6:46
-0:09
40K
24.85 mi12:47:352:45:096:395:57
6:58
+0:12
25.2M
25.20 mi12:50:092:47:436:392:34
7:27
+0:29
Finish
26.22 mi12:56:552:54:296:406:46
6:38
-0:49

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

6:18 /mi

Average Pace

6:40 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:10

85% of race

Time at Steady Pace

22:45

13% of race

Time at Slower Pace

2:34

1% of race

Average Pace: 6:39 /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 mi10:22:5120:256:3420:25
6:34
#4352
10K
6.21 mi10:42:5740:316:3120:06
6:28
#3920
15K
9.32 mi11:02:551:00:296:2919:58
6:26
#3613
20K
12.43 mi11:22:591:20:336:2920:04
6:28
#3367
Half
13.11 mi11:27:171:24:516:284:18
6:18
#3317
25K
15.53 mi11:43:051:40:396:2915:48
6:31
#3251
30K
18.64 mi12:04:222:01:566:3221:17
6:51
#3272
20M
20.00 mi12:13:532:11:276:349:31
7:00
#3294
21M
21.00 mi12:21:102:18:446:367:17
7:17
#3272
35K
21.75 mi12:26:132:23:476:375:03
6:45
#3270
23M
23.00 mi12:34:522:32:266:388:39
6:55
#3206
24M
24.00 mi12:41:382:39:126:386:46
6:46
#3179
40K
24.85 mi12:47:352:45:096:395:57
6:58
#3150
25.2M
25.20 mi12:50:092:47:436:392:34
7:27
#3121
Finish
26.22 mi12:56:552:54:296:406:46
6:38
#3115
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4352408940893095(Top 11%)2947(Top 18%)2947(Top 52%)
10K6.21 mi3.10 mi3920+4323706+3833706+3833505(Top 12%)3320(Top 21%)3320(Top 59%)
15K9.32 mi3.11 mi3613+3073420+2863420+2863095(Top 11%)2947(Top 18%)2947(Top 52%)
20K12.43 mi3.11 mi3367+2463196+2243196+2242870(Top 10%)2733(Top 17%)2733(Top 48%)
Half13.11 mi0.68 mi3317+503154+423154+422522(Top 9%)2411(Top 15%)2411(Top 43%)
25K15.53 mi2.42 mi3251+663096+583096+582970(Top 10%)2824(Top 18%)2824(Top 50%)
30K18.64 mi3.11 mi3272-213099-33099-33730(Top 13%)3449(Top 21%)3449(Top 61%)
20M20.00 mi1.36 mi3294-223118-193118-194091(Top 14%)3744(Top 23%)3744(Top 66%)
21M21.00 mi1.00 mi3272+223094+243094+243516(Top 12%)3215(Top 20%)3215(Top 57%)
35K21.75 mi0.75 mi3270+23087+73087+73765(Top 13%)3387(Top 21%)3387(Top 60%)
23M23.00 mi1.25 mi3206+643025+623025+623234(Top 11%)2945(Top 18%)2945(Top 52%)
24M24.00 mi1.00 mi3179+273000+253000+253301(Top 12%)2967(Top 18%)2967(Top 53%)
40K24.85 mi0.85 mi3150+292969+312969+313645(Top 13%)3215(Top 20%)3215(Top 57%)
25.2M25.20 mi0.35 mi3121+292938+312938+313105(Top 11%)2746(Top 17%)2746(Top 49%)
Finish26.22 mi1.02 mi3115+62936+22936+23532(Top 12%)3079(Top 19%)3079(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3095

Males

2947

M18-39

2947

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3505

Males

3320

M18-39

3320

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3095

Males

2947

M18-39

2947

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2870

Males

2733

M18-39

2733

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2522

Males

2411

M18-39

2411

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2970

Males

2824

M18-39

2824

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3730

Males

3449

M18-39

3449

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

4091

Males

3744

M18-39

3744

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3516

Males

3215

M18-39

3215

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3765

Males

3387

M18-39

3387

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3234

Males

2945

M18-39

2945

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3301

Males

2967

M18-39

2967

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3645

Males

3215

M18-39

3215

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3105

Males

2746

M18-39

2746

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3532

Males

3079

M18-39

3079

Passing Analysis

Category:
Athletes Passed
1715
Passed By
478
Net Change
+1237
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4352
5K → 10K46331+432#4352#3920
10K → 15K3136+307#3920#3613
15K → 20K2537+246#3613#3367
20K → Half522+50#3367#3317
Half → 25K10034+66#3317#3251
25K → 30K101122-21#3251#3272
30K → 20M5375-22#3272#3294
20M → 21M6038+22#3294#3272
21M → 35K3331+2#3272#3270
35K → 23M9430+64#3270#3206
23M → 24M5528+27#3206#3179
24M → 40K5021+29#3179#3150
40K → 25.2M4112+29#3150#3121
25.2M → Finish4741+6#3121#3115
TOTALS1715478+1237
📊

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