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BOSTON MARATHON 2025

Yinming Li

Bib: 7348•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:09
Rank: #3752
Start → 5K
20:09 | 6:29/mi
10K· 6.21 mi
40:38
Rank: #4061 (-309)
5K → 10K
20:29 | 6:36/mi
15K· 9.32 mi
1:01:44
Rank: #4573 (-512)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:25:18
Rank: #6534 (-1961)
15K → 20K
23:34 | 7:35/mi
Half· 13.11 mi
1:34:45
Rank: #9236 (-2702)
20K → Half
9:27 | 13:51/mi
25K· 15.53 mi
1:53:55
Rank: #9853 (-617)
Half → 25K
19:10 | 7:54/mi
30K· 18.64 mi
2:23:17
Rank: #12130 (-2277)
25K → 30K
29:22 | 9:27/mi
20M
2:35:59
Rank: #12715 (-585)
30K → 20M
12:42 | 9:21/mi
21M
2:45:54
Rank: #13090 (-375)
20M → 21M
9:55 | 9:55/mi
35K· 21.75 mi
2:51:31
Rank: #12909 (+181)
21M → 35K
5:37 | 7:30/mi
23M
3:01:28
Rank: #12684 (+225)
35K → 23M
9:57 | 7:57/mi
24M
3:09:35
Rank: #12637 (+47)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:17:53
Rank: #12982 (-345)
24M → 40K
8:18 | 9:42/mi
25.2M
3:20:48
Rank: #12912 (+70)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:30:54
Rank: #13444 (-532)
25.2M → Finish
10:06 | 9:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:45
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:56:09
Pace8:52 /mi
📊Positive Split: 22.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1220:096:2920:09
6:29
-
10K
6.21 mi10:46:4140:386:3220:29
6:36
+0:07
15K
9.32 mi11:07:471:01:446:3721:06
6:47
+0:11
20K
12.43 mi11:31:211:25:186:5223:34
7:35
+0:48
Half
13.11 mi11:40:481:34:457:149:27
13:51
+6:16
25K
15.53 mi11:59:581:53:557:2019:10
7:54
-5:57
30K
18.64 mi12:29:202:23:177:4129:22
9:27
+1:33
20M
20.00 mi12:42:022:35:597:4812:42
9:21
-0:06
21M
21.00 mi12:51:572:45:547:549:55
9:55
+0:34
35K
21.75 mi12:57:342:51:317:535:37
7:30
-2:25
23M
23.00 mi13:07:313:01:287:539:57
7:57
+0:27
24M
24.00 mi13:15:383:09:357:548:07
8:07
+0:10
40K
24.85 mi13:23:563:17:537:588:18
9:42
+1:35
25.2M
25.20 mi13:26:513:20:487:582:55
8:27
-1:15
Finish
26.22 mi13:36:573:30:548:0310:06
9:55
+1:28

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

6:29 /mi

Average Pace

8:03 /mi

Slowest Pace

13:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:44

29% of race

Time at Steady Pace

1:09:20

33% of race

Time at Slower Pace

1:19:50

38% of race

Average Pace: 8:03 /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 mi10:26:1220:096:2920:09
6:29
#3752
10K
6.21 mi10:46:4140:386:3220:29
6:36
#4061
15K
9.32 mi11:07:471:01:446:3721:06
6:47
#4573
20K
12.43 mi11:31:211:25:186:5223:34
7:35
#6534
Half
13.11 mi11:40:481:34:457:149:27
13:51
#9236
25K
15.53 mi11:59:581:53:557:2019:10
7:54
#9853
30K
18.64 mi12:29:202:23:177:4129:22
9:27
#12130
20M
20.00 mi12:42:022:35:597:4812:42
9:21
#12715
21M
21.00 mi12:51:572:45:547:549:55
9:55
#13090
35K
21.75 mi12:57:342:51:317:535:37
7:30
#12909
23M
23.00 mi13:07:313:01:287:539:57
7:57
#12684
24M
24.00 mi13:15:383:09:357:548:07
8:07
#12637
40K
24.85 mi13:23:563:17:537:588:18
9:42
#12982
25.2M
25.20 mi13:26:513:20:487:582:55
8:27
#12912
Finish
26.22 mi13:36:573:30:548:0310:06
9:55
#13444
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3752355535556026(Top 21%)5480(Top 34%)5480(Top 97%)
10K6.21 mi3.10 mi4061-3093831-2763831-2764436(Top 16%)4161(Top 26%)4161(Top 74%)
15K9.32 mi3.11 mi4573-5124291-4604291-4606026(Top 21%)5480(Top 34%)5480(Top 97%)
20K12.43 mi3.11 mi6534-19615908-16175908-161711467(Top 40%)8718(Top 54%)8718(Top 155%)
Half13.11 mi0.68 mi9236-27027690-17827690-178228248(Top 99%)16024(Top 99%)16024(Top 284%)
25K15.53 mi2.42 mi9853-6177989-2997989-29913118(Top 46%)9349(Top 58%)9349(Top 166%)
30K18.64 mi3.11 mi12130-22779036-10479036-104719742(Top 70%)12168(Top 76%)12168(Top 216%)
20M20.00 mi1.36 mi12715-5859259-2239259-22318481(Top 65%)11435(Top 71%)11435(Top 203%)
21M21.00 mi1.00 mi13090-3759401-1429401-14217948(Top 63%)11130(Top 69%)11130(Top 197%)
35K21.75 mi0.75 mi12909+1819301+1009301+1008688(Top 31%)6697(Top 42%)6697(Top 119%)
23M23.00 mi1.25 mi12684+2259160+1419160+1419632(Top 34%)7054(Top 44%)7054(Top 125%)
24M24.00 mi1.00 mi12637+479112+489112+4812010(Top 42%)8176(Top 51%)8176(Top 145%)
40K24.85 mi0.85 mi12982-3459225-1139225-11319479(Top 69%)11542(Top 72%)11542(Top 205%)
25.2M25.20 mi0.35 mi12912+709184+419184+418566(Top 30%)6251(Top 39%)6251(Top 111%)
Finish26.22 mi1.02 mi13444-5329401-2179401-21722637(Top 80%)13092(Top 81%)13092(Top 232%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

6026

Males

5480

M18-39

5480

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4436

Males

4161

M18-39

4161

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

6026

Males

5480

M18-39

5480

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11467

Males

8718

M18-39

8718

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

28248

Males

16024

M18-39

16024

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

13118

Males

9349

M18-39

9349

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19742

Males

12168

M18-39

12168

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18481

Males

11435

M18-39

11435

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17948

Males

11130

M18-39

11130

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8688

Males

6697

M18-39

6697

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9632

Males

7054

M18-39

7054

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

12010

Males

8176

M18-39

8176

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19479

Males

11542

M18-39

11542

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8566

Males

6251

M18-39

6251

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

22637

Males

13092

M18-39

13092

Passing Analysis

Category:
Athletes Passed
809
Passed By
10499
Net Change
-9692
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3752
5K → 10K46355-309#3752#4061
10K → 15K16528-512#4061#4573
15K → 20K51966-1961#4573#6534
20K → Half02702-2702#6534#9236
Half → 25K45662-617#9236#9853
25K → 30K142289-2277#9853#12130
30K → 20M29614-585#12130#12715
20M → 21M36411-375#12715#13090
21M → 35K1821+181#13090#12909
35K → 23M23813+225#12909#12684
23M → 24M8942+47#12684#12637
24M → 40K24369-345#12637#12982
40K → 25.2M777+70#12982#12912
25.2M → Finish8540-532#12912#13444
TOTALS80910499-9692
📊

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