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BOSTON MARATHON 2025

Yupeng Li

Bib: 9627•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:10
Rank: #11850
Start → 5K
23:10 | 7:27/mi
10K· 6.21 mi
46:47
Rank: #12384 (-534)
5K → 10K
23:37 | 7:36/mi
15K· 9.32 mi
1:10:33
Rank: #12586 (-202)
10K → 15K
23:46 | 7:39/mi
20K· 12.43 mi
1:35:26
Rank: #13179 (-593)
15K → 20K
24:53 | 8:01/mi
Half· 13.11 mi
1:40:53
Rank: #13316 (-137)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:01:16
Rank: #13937 (-621)
Half → 25K
20:23 | 8:24/mi
30K· 18.64 mi
2:30:03
Rank: #15130 (-1193)
25K → 30K
28:47 | 9:16/mi
20M
2:43:47
Rank: #15776 (-646)
30K → 20M
13:44 | 10:06/mi
21M
2:55:01
Rank: #16288 (-512)
20M → 21M
11:14 | 11:14/mi
35K· 21.75 mi
3:02:50
Rank: #16662 (-374)
21M → 35K
7:49 | 10:27/mi
23M
3:15:14
Rank: #16942 (-280)
35K → 23M
12:24 | 9:54/mi
24M
3:24:48
Rank: #17118 (-176)
23M → 24M
9:34 | 9:34/mi
40K· 24.85 mi
3:33:02
Rank: #17220 (-102)
24M → 40K
8:14 | 9:38/mi
25.2M
3:37:00
Rank: #17352 (-132)
40K → 25.2M
3:58 | 11:30/mi
Finish· 26.22 mi
3:46:16
Rank: #17439 (-87)
25.2M → Finish
9:16 | 9:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:53
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time2:05:23
Pace9:34 /mi
📊Positive Split: 24.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5923:107:2723:10
7:27
-
10K
6.21 mi11:12:3646:477:3223:37
7:36
+0:09
15K
9.32 mi11:36:221:10:337:3423:46
7:39
+0:03
20K
12.43 mi12:01:151:35:267:4124:53
8:01
+0:22
Half
13.11 mi12:06:421:40:537:425:27
7:59
-0:02
25K
15.53 mi12:27:052:01:167:4820:23
8:24
+0:25
30K
18.64 mi12:55:522:30:038:0328:47
9:16
+0:52
20M
20.00 mi13:09:362:43:478:1113:44
10:06
+0:50
21M
21.00 mi13:20:502:55:018:2011:14
11:14
+1:08
35K
21.75 mi13:28:393:02:508:247:49
10:27
-0:47
23M
23.00 mi13:41:033:15:148:2912:24
9:54
-0:33
24M
24.00 mi13:50:373:24:488:329:34
9:34
-0:20
40K
24.85 mi13:58:513:33:028:348:14
9:38
+0:04
25.2M
25.20 mi14:02:493:37:008:373:58
11:30
+1:52
Finish
26.22 mi14:12:053:46:168:389:16
9:06
-2:24

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

7:27 /mi

Average Pace

8:38 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:16

54% of race

Time at Steady Pace

1:08:15

30% of race

Time at Slower Pace

36:45

16% of race

Average Pace: 8:38 /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 mi10:48:5923:107:2723:10
7:27
#11850
10K
6.21 mi11:12:3646:477:3223:37
7:36
#12384
15K
9.32 mi11:36:221:10:337:3423:46
7:39
#12586
20K
12.43 mi12:01:151:35:267:4124:53
8:01
#13179
Half
13.11 mi12:06:421:40:537:425:27
7:59
#13316
25K
15.53 mi12:27:052:01:167:4820:23
8:24
#13937
30K
18.64 mi12:55:522:30:038:0328:47
9:16
#15130
20M
20.00 mi13:09:362:43:478:1113:44
10:06
#15776
21M
21.00 mi13:20:502:55:018:2011:14
11:14
#16288
35K
21.75 mi13:28:393:02:508:247:49
10:27
#16662
23M
23.00 mi13:41:033:15:148:2912:24
9:54
#16942
24M
24.00 mi13:50:373:24:488:329:34
9:34
#17118
40K
24.85 mi13:58:513:33:028:348:14
9:38
#17220
25.2M
25.20 mi14:02:493:37:008:373:58
11:30
#17352
Finish
26.22 mi14:12:053:46:168:389:16
9:06
#17439
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi118509111911113038(Top 46%)9537(Top 59%)9537(Top 424%)
10K6.21 mi3.10 mi12384-5349347-2369347-23613032(Top 46%)9612(Top 60%)9612(Top 428%)
15K9.32 mi3.11 mi12586-2029401-549401-5413038(Top 46%)9537(Top 59%)9537(Top 424%)
20K12.43 mi3.11 mi13179-5939600-1999600-19915010(Top 53%)10323(Top 64%)10323(Top 459%)
Half13.11 mi0.68 mi13316-1379661-619661-6115780(Top 56%)10698(Top 66%)10698(Top 476%)
25K15.53 mi2.42 mi13937-6219888-2279888-22716609(Top 58%)10927(Top 68%)10927(Top 486%)
30K18.64 mi3.11 mi15130-119310348-46010348-46018946(Top 67%)11805(Top 73%)11805(Top 525%)
20M20.00 mi1.36 mi15776-64610594-24610594-24621279(Top 75%)12711(Top 79%)12711(Top 566%)
21M21.00 mi1.00 mi16288-51210779-18510779-18521979(Top 77%)12962(Top 80%)12962(Top 577%)
35K21.75 mi0.75 mi16662-37410916-13710916-13723036(Top 81%)13400(Top 83%)13400(Top 596%)
23M23.00 mi1.25 mi16942-28010995-7910995-7920148(Top 71%)11968(Top 74%)11968(Top 533%)
24M24.00 mi1.00 mi17118-17611051-5611051-5619841(Top 70%)11783(Top 73%)11783(Top 524%)
40K24.85 mi0.85 mi17220-10211056-511056-519178(Top 68%)11406(Top 71%)11406(Top 508%)
25.2M25.20 mi0.35 mi17352-13211105-4911105-4922005(Top 77%)12780(Top 79%)12780(Top 569%)
Finish26.22 mi1.02 mi17439-8711113-811113-819468(Top 69%)11561(Top 72%)11561(Top 515%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

13038

Males

9537

M40-44

9537

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

13032

Males

9612

M40-44

9612

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

13038

Males

9537

M40-44

9537

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

15010

Males

10323

M40-44

10323

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15780

Males

10698

M40-44

10698

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16609

Males

10927

M40-44

10927

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

18946

Males

11805

M40-44

11805

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21279

Males

12711

M40-44

12711

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21979

Males

12962

M40-44

12962

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

23036

Males

13400

M40-44

13400

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20148

Males

11968

M40-44

11968

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19841

Males

11783

M40-44

11783

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19178

Males

11406

M40-44

11406

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

22005

Males

12780

M40-44

12780

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

19468

Males

11561

M40-44

11561

Passing Analysis

Category:
Athletes Passed
646
Passed By
6235
Net Change
-5589
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11850
5K → 10K91625-534#11850#12384
10K → 15K115317-202#12384#12586
15K → 20K76669-593#12586#13179
20K → Half9146-137#13179#13316
Half → 25K58679-621#13316#13937
25K → 30K561249-1193#13937#15130
30K → 20M23669-646#15130#15776
20M → 21M21533-512#15776#16288
21M → 35K15389-374#16288#16662
35K → 23M50330-280#16662#16942
23M → 24M38214-176#16942#17118
24M → 40K42144-102#17118#17220
40K → 25.2M10142-132#17220#17352
25.2M → Finish42129-87#17352#17439
TOTALS6466235-5589
📊

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