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BOSTON MARATHON 2025

Ching-Chu Tin

Bib: 12008•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
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
23:24
Rank: #12512
Start → 5K
23:24 | 7:32/mi
10K· 6.21 mi
46:53
Rank: #12533 (-21)
5K → 10K
23:29 | 7:34/mi
15K· 9.32 mi
1:10:48
Rank: #12824 (-291)
10K → 15K
23:55 | 7:42/mi
20K· 12.43 mi
1:35:50
Rank: #13469 (-645)
15K → 20K
25:02 | 8:03/mi
Half· 13.11 mi
1:41:15
Rank: #13563 (-94)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:01:59
Rank: #14326 (-763)
Half → 25K
20:44 | 8:33/mi
30K· 18.64 mi
2:30:11
Rank: #15184 (-858)
25K → 30K
28:12 | 9:05/mi
20M
2:42:21
Rank: #15269 (-85)
30K → 20M
12:10 | 8:57/mi
21M
2:52:14
Rank: #15404 (-135)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
2:58:48
Rank: #15471 (-67)
21M → 35K
6:34 | 8:47/mi
23M
3:10:59
Rank: #15717 (-246)
35K → 23M
12:11 | 9:44/mi
24M
3:20:20
Rank: #15888 (-171)
23M → 24M
9:21 | 9:21/mi
40K· 24.85 mi
3:28:09
Rank: #15908 (-20)
24M → 40K
7:49 | 9:09/mi
25.2M
3:31:37
Rank: #15931 (-23)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
3:40:37
Rank: #16021 (-90)
25.2M → Finish
9:00 | 8:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:15
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:59:22
Pace9:06 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5423:247:3223:24
7:32
-
10K
6.21 mi11:15:2346:537:3323:29
7:34
+0:02
15K
9.32 mi11:39:181:10:487:3623:55
7:42
+0:08
20K
12.43 mi12:04:201:35:507:4325:02
8:03
+0:21
Half
13.11 mi12:09:451:41:157:435:25
7:56
-0:07
25K
15.53 mi12:30:292:01:597:5120:44
8:33
+0:37
30K
18.64 mi12:58:412:30:118:0328:12
9:05
+0:32
20M
20.00 mi13:10:512:42:218:0712:10
8:57
-0:08
21M
21.00 mi13:20:442:52:148:129:53
9:53
+0:56
35K
21.75 mi13:27:182:58:488:136:34
8:47
-1:06
23M
23.00 mi13:39:293:10:598:1812:11
9:44
+0:57
24M
24.00 mi13:48:503:20:208:219:21
9:21
-0:23
40K
24.85 mi13:56:393:28:098:227:49
9:09
-0:12
25.2M
25.20 mi14:00:073:31:378:243:28
10:03
+0:54
Finish
26.22 mi14:09:073:40:378:259:00
8:50
-1:13

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

7:32 /mi

Average Pace

8:25 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:15

46% of race

Time at Steady Pace

1:24:29

38% of race

Time at Slower Pace

34:53

16% of race

Average Pace: 8:25 /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 mi10:51:5423:247:3223:24
7:32
#12512
10K
6.21 mi11:15:2346:537:3323:29
7:34
#12533
15K
9.32 mi11:39:181:10:487:3623:55
7:42
#12824
20K
12.43 mi12:04:201:35:507:4325:02
8:03
#13469
Half
13.11 mi12:09:451:41:157:435:25
7:56
#13563
25K
15.53 mi12:30:292:01:597:5120:44
8:33
#14326
30K
18.64 mi12:58:412:30:118:0328:12
9:05
#15184
20M
20.00 mi13:10:512:42:218:0712:10
8:57
#15269
21M
21.00 mi13:20:442:52:148:129:53
9:53
#15404
35K
21.75 mi13:27:182:58:488:136:34
8:47
#15471
23M
23.00 mi13:39:293:10:598:1812:11
9:44
#15717
24M
24.00 mi13:48:503:20:208:219:21
9:21
#15888
40K
24.85 mi13:56:393:28:098:227:49
9:09
#15908
25.2M
25.20 mi14:00:073:31:378:243:28
10:03
#15931
Finish
26.22 mi14:09:073:40:378:259:00
8:50
#16021
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi125129410941013479(Top 47%)9719(Top 60%)9719(Top 407%)
10K6.21 mi3.10 mi12533-219406+49406+412637(Top 44%)9438(Top 59%)9438(Top 396%)
15K9.32 mi3.11 mi12824-2919505-999505-9913479(Top 47%)9719(Top 60%)9719(Top 407%)
20K12.43 mi3.11 mi13469-6459724-2199724-21915328(Top 54%)10468(Top 65%)10468(Top 439%)
Half13.11 mi0.68 mi13563-949759-359759-3515375(Top 54%)10512(Top 65%)10512(Top 441%)
25K15.53 mi2.42 mi14326-76310054-29510054-29517475(Top 62%)11302(Top 70%)11302(Top 474%)
30K18.64 mi3.11 mi15184-85810374-32010374-32018061(Top 64%)11405(Top 71%)11405(Top 478%)
20M20.00 mi1.36 mi15269-8510377-310377-316536(Top 58%)10599(Top 66%)10599(Top 444%)
21M21.00 mi1.00 mi15404-13510409-3210409-3217824(Top 63%)11073(Top 69%)11073(Top 464%)
35K21.75 mi0.75 mi15471-6710418-910418-917098(Top 60%)10646(Top 66%)10646(Top 446%)
23M23.00 mi1.25 mi15717-24610474-5610474-5619540(Top 69%)11682(Top 73%)11682(Top 490%)
24M24.00 mi1.00 mi15888-17110530-5610530-5619006(Top 67%)11408(Top 71%)11408(Top 478%)
40K24.85 mi0.85 mi15908-2010515+1510515+1517061(Top 60%)10402(Top 65%)10402(Top 436%)
25.2M25.20 mi0.35 mi15931-2310510+510510+517219(Top 61%)10460(Top 65%)10460(Top 438%)
Finish26.22 mi1.02 mi16021-9010538-2810538-2818186(Top 64%)10959(Top 68%)10959(Top 459%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

13479

Males

9719

M45-49

9719

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

12637

Males

9438

M45-49

9438

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

13479

Males

9719

M45-49

9719

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

15328

Males

10468

M45-49

10468

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15375

Males

10512

M45-49

10512

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17475

Males

11302

M45-49

11302

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18061

Males

11405

M45-49

11405

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16536

Males

10599

M45-49

10599

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17824

Males

11073

M45-49

11073

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

17098

Males

10646

M45-49

10646

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19540

Males

11682

M45-49

11682

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

19006

Males

11408

M45-49

11408

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17061

Males

10402

M45-49

10402

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17219

Males

10460

M45-49

10460

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18186

Males

10959

M45-49

10959

Passing Analysis

Category:
Athletes Passed
988
Passed By
4497
Net Change
-3509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12512
5K → 10K271292-21#12512#12533
10K → 15K100391-291#12533#12824
15K → 20K66711-645#12824#13469
20K → Half6100-94#13469#13563
Half → 25K54817-763#13563#14326
25K → 30K75933-858#14326#15184
30K → 20M91176-85#15184#15269
20M → 21M74209-135#15269#15404
21M → 35K42109-67#15404#15471
35K → 23M55301-246#15471#15717
23M → 24M27198-171#15717#15888
24M → 40K5979-20#15888#15908
40K → 25.2M3053-23#15908#15931
25.2M → Finish38128-90#15931#16021
TOTALS9884497-3509
📊

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