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BOSTON MARATHON 2025

Peiyu Huang

Bib: 13931•M

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

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
8:29/mi
26:20
↑ 97↓ 3451.5%
10K· 6.21 mi
9:04/mi
54:31
↑ 79↓ 1380.4%
15K· 9.32 mi
9:17/mi
1:23:23
↑ 67↓ 78
20K· 12.43 mi
11:43/mi
1:59:46
↑ 106↓ 860.1%
Half· 13.11 mi
9:43/mi
2:06:24
↑ 19↓ 370.5%
25K· 15.53 mi
9:32/mi
2:29:31
↑ 66↓ 880.2%
30K· 18.64 mi
11:00/mi
3:03:41
↑ 181↓ 1480.2%
20M
11:11/mi
3:18:53
↑ 64↓ 500.2%
21M
11:54/mi
3:30:47
↑ 106↓ 241.6%
35K· 21.75 mi
10:27/mi
3:38:36
↑ 17↓ 861.7%
23M
11:11/mi
3:52:36
↑ 23↓ 630.6%
24M
9:53/mi
4:02:29
↓ 821.3%
40K· 24.85 mi
9:44/mi
4:10:48
↓ 200.3%
25.2M
10:50/mi
4:14:32
↑ 13↓ 160.2%
Finish· 26.22 mi
9:26/mi
4:24:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:24
Pace9:39 /mi
2nd Half
Distance13.11 mi
Time2:17:45
Pace10:30 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5026:208:2926:20
8:29
-
10K
6.21 mi11:24:0154:318:4628:11
9:04
+0:35
15K
9.32 mi11:52:531:23:238:5728:52
9:17
+0:13
20K
12.43 mi12:29:161:59:469:3836:23
11:43
+2:26
Half
13.11 mi12:35:542:06:249:396:38
9:43
-2:00
25K
15.53 mi12:59:012:29:319:3723:07
9:32
-0:11
30K
18.64 mi13:33:113:03:419:5134:10
11:00
+1:28
20M
20.00 mi13:48:233:18:539:5715:12
11:11
+0:11
21M
21.00 mi14:00:173:30:4710:0211:54
11:54
+0:43
35K
21.75 mi14:08:063:38:3610:037:49
10:27
-1:27
23M
23.00 mi14:22:063:52:3610:0714:00
11:11
+0:44
24M
24.00 mi14:31:594:02:2910:069:53
9:53
-1:18
40K
24.85 mi14:40:184:10:4810:058:19
9:44
-0:09
25.2M
25.20 mi14:44:024:14:3210:063:44
10:50
+1:06
Finish
26.22 mi14:53:394:24:0910:059:37
9:26
-1:24

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

8:29 /mi

Average Pace

10:05 /mi

Slowest Pace

11:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:23

32% of race

Time at Steady Pace

57:34

22% of race

Time at Slower Pace

2:03:12

47% of race

Average Pace: 10:04 /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 mi10:55:5026:208:2926:20
8:29
#19752
10K
6.21 mi11:24:0154:318:4628:11
9:04
#21302
15K
9.32 mi11:52:531:23:238:5728:52
9:17
#22054
20K
12.43 mi12:29:161:59:469:3836:23
11:43
#24132
Half
13.11 mi12:35:542:06:249:396:38
9:43
#24133
25K
15.53 mi12:59:012:29:319:3723:07
9:32
#23755
30K
18.64 mi13:33:113:03:419:5134:10
11:00
#23828
20M
20.00 mi13:48:233:18:539:5715:12
11:11
#23861
21M
21.00 mi14:00:173:30:4710:0211:54
11:54
#23831
35K
21.75 mi14:08:063:38:3610:037:49
10:27
#23787
23M
23.00 mi14:22:063:52:3610:0714:00
11:11
#23785
24M
24.00 mi14:31:594:02:2910:069:53
9:53
#23677
40K
24.85 mi14:40:184:10:4810:058:19
9:44
#23540
25.2M
25.20 mi14:44:024:14:3210:063:44
10:50
#23479
Finish
26.22 mi14:53:394:24:0910:059:37
9:26
#23408
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi19752123351233523185(Top 82%)13925(Top 86%)13925(Top 698%)
10K6.21 mi3.10 mi21302-155013026-69113026-69122696(Top 80%)13667(Top 85%)13667(Top 685%)
15K9.32 mi3.11 mi22054-75213364-33813364-33823185(Top 82%)13925(Top 86%)13925(Top 698%)
20K12.43 mi3.11 mi24132-207814306-94214306-94226851(Top 95%)15479(Top 96%)15479(Top 776%)
Half13.11 mi0.68 mi24133-114303+314303+324142(Top 85%)14291(Top 89%)14291(Top 716%)
25K15.53 mi2.42 mi23755+37814135+16814135+16821974(Top 77%)13282(Top 82%)13282(Top 665%)
30K18.64 mi3.11 mi23828-7314124+1114124+1123995(Top 84%)14069(Top 87%)14069(Top 705%)
20M20.00 mi1.36 mi23861-3314126-214126-223962(Top 84%)13959(Top 87%)13959(Top 699%)
21M21.00 mi1.00 mi23831+3014099+2714099+2723406(Top 82%)13632(Top 85%)13632(Top 683%)
35K21.75 mi0.75 mi23787+4414066+3314066+3323050(Top 81%)13414(Top 83%)13414(Top 672%)
23M23.00 mi1.25 mi23785+214038+2814038+2823630(Top 83%)13655(Top 85%)13655(Top 684%)
24M24.00 mi1.00 mi23677+10813977+6113977+6121004(Top 74%)12354(Top 77%)12354(Top 619%)
40K24.85 mi0.85 mi23540+13713894+8313894+8319575(Top 69%)11601(Top 72%)11601(Top 581%)
25.2M25.20 mi0.35 mi23479+6113857+3713857+3720110(Top 71%)11852(Top 74%)11852(Top 594%)
Finish26.22 mi1.02 mi23408+7113809+4813809+4820960(Top 74%)12273(Top 76%)12273(Top 615%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23185

Males

13925

M50-54

13925

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22696

Males

13667

M50-54

13667

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23185

Males

13925

M50-54

13925

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

26851

Males

15479

M50-54

15479

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24142

Males

14291

M50-54

14291

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

21974

Males

13282

M50-54

13282

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23995

Males

14069

M50-54

14069

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23962

Males

13959

M50-54

13959

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23406

Males

13632

M50-54

13632

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

23050

Males

13414

M50-54

13414

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23630

Males

13655

M50-54

13655

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

21004

Males

12354

M50-54

12354

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19575

Males

11601

M50-54

11601

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20110

Males

11852

M50-54

11852

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

20960

Males

12273

M50-54

12273

Passing Analysis

Category:
Athletes Passed
1282
Passed By
4938
Net Change
-3656
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19752
5K → 10K231573-1550#19752#21302
10K → 15K50802-752#21302#22054
15K → 20K32081-2078#22054#24132
20K → Half2324-1#24132#24133
Half → 25K3835+378#24133#23755
25K → 30K132205-73#23755#23828
30K → 20M6194-33#23828#23861
20M → 21M8252+30#23861#23831
21M → 35K5612+44#23831#23787
35K → 23M7068+2#23787#23785
23M → 24M1113+108#23785#23677
24M → 40K1392+137#23677#23540
40K → 25.2M665+61#23540#23479
25.2M → Finish8312+71#23479#23408
TOTALS12824938-3656
📊

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