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BOSTON MARATHON 2025

Jin Mao

Bib: 9967•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
Masters (Masters Men)
#0 / 10463
Top 34%
Division (M50-54)
#0 / 1996
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:37
Rank: #7488
Start → 5K
21:37 | 6:57/mi
10K· 6.21 mi
42:34
Rank: #6761 (+727)
5K → 10K
20:57 | 6:45/mi
15K· 9.32 mi
1:04:10
Rank: #6955 (-194)
10K → 15K
21:36 | 6:57/mi
20K· 12.43 mi
1:26:50
Rank: #7413 (-458)
15K → 20K
22:40 | 7:18/mi
Half· 13.11 mi
1:31:54
Rank: #7559 (-146)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:49:44
Rank: #7686 (-127)
Half → 25K
17:50 | 7:21/mi
30K· 18.64 mi
2:13:54
Rank: #7916 (-230)
25K → 30K
24:10 | 7:47/mi
20M
2:25:11
Rank: #8212 (-296)
30K → 20M
11:17 | 8:18/mi
21M
2:34:07
Rank: #8455 (-243)
20M → 21M
8:56 | 8:56/mi
35K· 21.75 mi
2:40:02
Rank: #8554 (-99)
21M → 35K
5:55 | 7:55/mi
23M
2:50:35
Rank: #8781 (-227)
35K → 23M
10:33 | 8:26/mi
24M
2:58:59
Rank: #9007 (-226)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:05:56
Rank: #9074 (-67)
24M → 40K
6:57 | 8:08/mi
25.2M
3:09:02
Rank: #9112 (-38)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:17:20
Rank: #9307 (-195)
25.2M → Finish
8:18 | 8:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:54
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:45:26
Pace8:03 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3021:376:5721:37
6:57
-
10K
6.21 mi11:08:2742:346:5120:57
6:45
-0:12
15K
9.32 mi11:30:031:04:106:5321:36
6:57
+0:12
20K
12.43 mi11:52:431:26:506:5922:40
7:18
+0:21
Half
13.11 mi11:57:471:31:547:015:04
7:26
+0:08
25K
15.53 mi12:15:371:49:447:0417:50
7:21
-0:05
30K
18.64 mi12:39:472:13:547:1124:10
7:47
+0:26
20M
20.00 mi12:51:042:25:117:1611:17
8:18
+0:31
21M
21.00 mi13:00:002:34:077:208:56
8:56
+0:38
35K
21.75 mi13:05:552:40:027:225:55
7:55
-1:01
23M
23.00 mi13:16:282:50:357:2510:33
8:26
+0:31
24M
24.00 mi13:24:522:58:597:278:24
8:24
-0:02
40K
24.85 mi13:31:493:05:567:296:57
8:08
-0:16
25.2M
25.20 mi13:34:553:09:027:303:06
8:59
+0:51
Finish
26.22 mi13:43:133:17:207:328:18
8:09
-0:50

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

6:45 /mi

Average Pace

7:32 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:44

56% of race

Time at Steady Pace

45:20

23% of race

Time at Slower Pace

42:16

21% of race

Average Pace: 7:32 /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 mi10:47:3021:376:5721:37
6:57
#7488
10K
6.21 mi11:08:2742:346:5120:57
6:45
#6761
15K
9.32 mi11:30:031:04:106:5321:36
6:57
#6955
20K
12.43 mi11:52:431:26:506:5922:40
7:18
#7413
Half
13.11 mi11:57:471:31:547:015:04
7:26
#7559
25K
15.53 mi12:15:371:49:447:0417:50
7:21
#7686
30K
18.64 mi12:39:472:13:547:1124:10
7:47
#7916
20M
20.00 mi12:51:042:25:117:1611:17
8:18
#8212
21M
21.00 mi13:00:002:34:077:208:56
8:56
#8455
35K
21.75 mi13:05:552:40:027:225:55
7:55
#8554
23M
23.00 mi13:16:282:50:357:2510:33
8:26
#8781
24M
24.00 mi13:24:522:58:597:278:24
8:24
#9007
40K
24.85 mi13:31:493:05:567:296:57
8:08
#9074
25.2M
25.20 mi13:34:553:09:027:303:06
8:59
#9112
Finish
26.22 mi13:43:133:17:207:328:18
8:09
#9307
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7488666366637323(Top 26%)6494(Top 40%)6494(Top 325%)
10K6.21 mi3.10 mi6761+7276108+5556108+5555783(Top 20%)5299(Top 33%)5299(Top 265%)
15K9.32 mi3.11 mi6955-1946250-1426250-1427323(Top 26%)6494(Top 40%)6494(Top 325%)
20K12.43 mi3.11 mi7413-4586568-3186568-3189017(Top 32%)7460(Top 46%)7460(Top 374%)
Half13.11 mi0.68 mi7559-1466666-986666-9811025(Top 39%)8541(Top 53%)8541(Top 428%)
25K15.53 mi2.42 mi7686-1276733-676733-678777(Top 31%)7212(Top 45%)7212(Top 361%)
30K18.64 mi3.11 mi7916-2306818-856818-859754(Top 34%)7560(Top 47%)7560(Top 379%)
20M20.00 mi1.36 mi8212-2966975-1576975-15712476(Top 44%)8755(Top 54%)8755(Top 439%)
21M21.00 mi1.00 mi8455-2437085-1107085-11013085(Top 46%)8877(Top 55%)8877(Top 445%)
35K21.75 mi0.75 mi8554-997125-407125-4011579(Top 41%)8114(Top 50%)8114(Top 407%)
23M23.00 mi1.25 mi8781-2277211-867211-8612822(Top 45%)8607(Top 53%)8607(Top 431%)
24M24.00 mi1.00 mi9007-2267308-977308-9713826(Top 49%)9051(Top 56%)9051(Top 453%)
40K24.85 mi0.85 mi9074-677316-87316-811052(Top 39%)7588(Top 47%)7588(Top 380%)
25.2M25.20 mi0.35 mi9112-387319-37319-311659(Top 41%)7793(Top 48%)7793(Top 390%)
Finish26.22 mi1.02 mi9307-1957385-667385-6613860(Top 49%)8929(Top 55%)8929(Top 447%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7323

Males

6494

M50-54

6494

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5783

Males

5299

M50-54

5299

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7323

Males

6494

M50-54

6494

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9017

Males

7460

M50-54

7460

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11025

Males

8541

M50-54

8541

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8777

Males

7212

M50-54

7212

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9754

Males

7560

M50-54

7560

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12476

Males

8755

M50-54

8755

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13085

Males

8877

M50-54

8877

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11579

Males

8114

M50-54

8114

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12822

Males

8607

M50-54

8607

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13826

Males

9051

M50-54

9051

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11052

Males

7588

M50-54

7588

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11659

Males

7793

M50-54

7793

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13860

Males

8929

M50-54

8929

Passing Analysis

Category:
Athletes Passed
1376
Passed By
3195
Net Change
-1819
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7488
5K → 10K73912+727#7488#6761
10K → 15K84278-194#6761#6955
15K → 20K42500-458#6955#7413
20K → Half3149-146#7413#7559
Half → 25K76203-127#7559#7686
25K → 30K120350-230#7686#7916
30K → 20M37333-296#7916#8212
20M → 21M35278-243#8212#8455
21M → 35K32131-99#8455#8554
35K → 23M70297-227#8554#8781
23M → 24M22248-226#8781#9007
24M → 40K64131-67#9007#9074
40K → 25.2M2563-38#9074#9112
25.2M → Finish27222-195#9112#9307
TOTALS13763195-1819
📊

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