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BOSTON MARATHON 2025

Jinhui Li

Bib: 6573•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 36%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:48
Rank: #5412
Start → 5K
20:48 | 6:42/mi
10K· 6.21 mi
41:44
Rank: #5533 (-121)
5K → 10K
20:56 | 6:44/mi
15K· 9.32 mi
1:02:52
Rank: #5657 (-124)
10K → 15K
21:08 | 6:48/mi
20K· 12.43 mi
1:24:43
Rank: #6094 (-437)
15K → 20K
21:51 | 7:02/mi
Half· 13.11 mi
1:29:31
Rank: #6209 (-115)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:46:50
Rank: #6396 (-187)
Half → 25K
17:19 | 7:09/mi
30K· 18.64 mi
2:10:55
Rank: #6819 (-423)
25K → 30K
24:05 | 7:45/mi
20M
2:22:11
Rank: #7129 (-310)
30K → 20M
11:16 | 8:17/mi
21M
2:31:29
Rank: #7478 (-349)
20M → 21M
9:18 | 9:18/mi
35K· 21.75 mi
2:37:38
Rank: #7662 (-184)
21M → 35K
6:09 | 8:13/mi
23M
2:48:36
Rank: #8064 (-402)
35K → 23M
10:58 | 8:46/mi
24M
2:57:12
Rank: #8357 (-293)
23M → 24M
8:36 | 8:36/mi
40K· 24.85 mi
3:05:05
Rank: #8777 (-420)
24M → 40K
7:53 | 9:13/mi
25.2M
3:08:38
Rank: #8972 (-195)
40K → 25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
3:18:25
Rank: #9645 (-673)
25.2M → Finish
9:47 | 9:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:31
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:48:54
Pace8:18 /mi
📊Positive Split: 21.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0820:486:4220:48
6:42
-
10K
6.21 mi10:46:0441:446:4320:56
6:44
+0:02
15K
9.32 mi11:07:121:02:526:4521:08
6:48
+0:04
20K
12.43 mi11:29:031:24:436:4921:51
7:02
+0:14
Half
13.11 mi11:33:511:29:316:504:48
7:02
0:00
25K
15.53 mi11:51:101:46:506:5317:19
7:09
+0:07
30K
18.64 mi12:15:152:10:557:0124:05
7:45
+0:36
20M
20.00 mi12:26:312:22:117:0711:16
8:17
+0:32
21M
21.00 mi12:35:492:31:297:139:18
9:18
+1:01
35K
21.75 mi12:41:582:37:387:156:09
8:13
-1:05
23M
23.00 mi12:52:562:48:367:2010:58
8:46
+0:33
24M
24.00 mi13:01:322:57:127:238:36
8:36
-0:10
40K
24.85 mi13:09:253:05:057:277:53
9:13
+0:37
25.2M
25.20 mi13:12:583:08:387:293:33
10:18
+1:05
Finish
26.22 mi13:22:453:18:257:349:47
9:36
-0:42

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

6:42 /mi

Average Pace

7:34 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:50

54% of race

Time at Steady Pace

1:01:04

31% of race

Time at Slower Pace

30:31

15% of race

Average Pace: 7:34 /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 mi10:25:0820:486:4220:48
6:42
#5412
10K
6.21 mi10:46:0441:446:4320:56
6:44
#5533
15K
9.32 mi11:07:121:02:526:4521:08
6:48
#5657
20K
12.43 mi11:29:031:24:436:4921:51
7:02
#6094
Half
13.11 mi11:33:511:29:316:504:48
7:02
#6209
25K
15.53 mi11:51:101:46:506:5317:19
7:09
#6396
30K
18.64 mi12:15:152:10:557:0124:05
7:45
#6819
20M
20.00 mi12:26:312:22:117:0711:16
8:17
#7129
21M
21.00 mi12:35:492:31:297:139:18
9:18
#7478
35K
21.75 mi12:41:582:37:387:156:09
8:13
#7662
23M
23.00 mi12:52:562:48:367:2010:58
8:46
#8064
24M
24.00 mi13:01:322:57:127:238:36
8:36
#8357
40K
24.85 mi13:09:253:05:057:277:53
9:13
#8777
25.2M
25.20 mi13:12:583:08:387:293:33
10:18
#8972
Finish
26.22 mi13:22:453:18:257:349:47
9:36
#9645
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5412502950296116(Top 22%)5556(Top 34%)5556(Top 233%)
10K6.21 mi3.10 mi5533-1215115-865115-865714(Top 20%)5243(Top 33%)5243(Top 220%)
15K9.32 mi3.11 mi5657-1245215-1005215-1006116(Top 22%)5556(Top 34%)5556(Top 233%)
20K12.43 mi3.11 mi6094-4375563-3485563-3487086(Top 25%)6273(Top 39%)6273(Top 263%)
Half13.11 mi0.68 mi6209-1155649-865649-867837(Top 28%)6799(Top 42%)6799(Top 285%)
25K15.53 mi2.42 mi6396-1875782-1335782-1337234(Top 25%)6279(Top 39%)6279(Top 263%)
30K18.64 mi3.11 mi6819-4236069-2876069-2879562(Top 34%)7462(Top 46%)7462(Top 313%)
20M20.00 mi1.36 mi7129-3106276-2076276-20712392(Top 44%)8711(Top 54%)8711(Top 365%)
21M21.00 mi1.00 mi7478-3496474-1986474-19815120(Top 53%)9832(Top 61%)9832(Top 412%)
35K21.75 mi0.75 mi7662-1846573-996573-9913707(Top 48%)9130(Top 57%)9130(Top 383%)
23M23.00 mi1.25 mi8064-4026775-2026775-20214849(Top 52%)9552(Top 59%)9552(Top 400%)
24M24.00 mi1.00 mi8357-2936932-1576932-15715125(Top 53%)9627(Top 60%)9627(Top 403%)
40K24.85 mi0.85 mi8777-4207130-1987130-19817408(Top 61%)10546(Top 65%)10546(Top 442%)
25.2M25.20 mi0.35 mi8972-1957235-1057235-10518193(Top 64%)10886(Top 68%)10886(Top 456%)
Finish26.22 mi1.02 mi9645-6737550-3157550-31521527(Top 76%)12539(Top 78%)12539(Top 526%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6116

Males

5556

M45-49

5556

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5714

Males

5243

M45-49

5243

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6116

Males

5556

M45-49

5556

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7086

Males

6273

M45-49

6273

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7837

Males

6799

M45-49

6799

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7234

Males

6279

M45-49

6279

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9562

Males

7462

M45-49

7462

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12392

Males

8711

M45-49

8711

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

15120

Males

9832

M45-49

9832

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13707

Males

9130

M45-49

9130

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14849

Males

9552

M45-49

9552

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

15125

Males

9627

M45-49

9627

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17408

Males

10546

M45-49

10546

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18193

Males

10886

M45-49

10886

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

21527

Males

12539

M45-49

12539

Passing Analysis

Category:
Athletes Passed
587
Passed By
4820
Net Change
-4233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5412
5K → 10K129250-121#5412#5533
10K → 15K90214-124#5533#5657
15K → 20K53490-437#5657#6094
20K → Half4119-115#6094#6209
Half → 25K70257-187#6209#6396
25K → 30K78501-423#6396#6819
30K → 20M37347-310#6819#7129
20M → 21M20369-349#7129#7478
21M → 35K19203-184#7478#7662
35K → 23M35437-402#7662#8064
23M → 24M25318-293#8064#8357
24M → 40K20440-420#8357#8777
40K → 25.2M4199-195#8777#8972
25.2M → Finish3676-673#8972#9645
TOTALS5874820-4233
📊

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