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BOSTON MARATHON 2025

Tzu-Hung Lin

Bib: 6993•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 44%
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
21:55
Rank: #8249
Start → 5K
21:55 | 7:03/mi
10K· 6.21 mi
43:49
Rank: #8271 (-22)
5K → 10K
21:54 | 7:03/mi
15K· 9.32 mi
1:06:15
Rank: #8547 (-276)
10K → 15K
22:26 | 7:13/mi
20K· 12.43 mi
1:29:08
Rank: #8742 (-195)
15K → 20K
22:53 | 7:22/mi
Half· 13.11 mi
1:33:59
Rank: #8700 (+42)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:52:19
Rank: #8951 (-251)
Half → 25K
18:20 | 7:34/mi
30K· 18.64 mi
2:18:20
Rank: #9882 (-931)
25K → 30K
26:01 | 8:22/mi
20M
2:30:53
Rank: #10641 (-759)
30K → 20M
12:33 | 9:14/mi
21M
2:41:22
Rank: #11325 (-684)
20M → 21M
10:29 | 10:29/mi
35K· 21.75 mi
2:47:53
Rank: #11572 (-247)
21M → 35K
6:31 | 8:43/mi
23M
2:59:15
Rank: #11915 (-343)
35K → 23M
11:22 | 9:05/mi
24M
3:07:22
Rank: #11896 (+19)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:14:21
Rank: #11855 (+41)
24M → 40K
6:59 | 8:10/mi
25.2M
3:17:23
Rank: #11824 (+31)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:25:04
Rank: #11701 (+123)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:59
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:51:05
Pace8:28 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:5421:557:0321:55
7:03
-
10K
6.21 mi10:50:4843:497:0321:54
7:03
0:00
15K
9.32 mi11:13:141:06:157:0622:26
7:13
+0:10
20K
12.43 mi11:36:071:29:087:1022:53
7:22
+0:09
Half
13.11 mi11:40:581:33:597:104:51
7:07
-0:15
25K
15.53 mi11:59:181:52:197:1418:20
7:34
+0:27
30K
18.64 mi12:25:192:18:207:2526:01
8:22
+0:48
20M
20.00 mi12:37:522:30:537:3312:33
9:14
+0:52
21M
21.00 mi12:48:212:41:227:4110:29
10:29
+1:15
35K
21.75 mi12:54:522:47:537:436:31
8:43
-1:46
23M
23.00 mi13:06:142:59:157:4811:22
9:05
+0:22
24M
24.00 mi13:14:213:07:227:488:07
8:07
-0:58
40K
24.85 mi13:21:203:14:217:496:59
8:10
+0:03
25.2M
25.20 mi13:24:223:17:237:503:02
8:48
+0:38
Finish
26.22 mi13:32:033:25:047:507:41
7:32
-1:16

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

7:03 /mi

Average Pace

7:50 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:00

59% of race

Time at Steady Pace

41:07

20% of race

Time at Slower Pace

43:57

21% of race

Average Pace: 7:49 /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 mi10:28:5421:557:0321:55
7:03
#8249
10K
6.21 mi10:50:4843:497:0321:54
7:03
#8271
15K
9.32 mi11:13:141:06:157:0622:26
7:13
#8547
20K
12.43 mi11:36:071:29:087:1022:53
7:22
#8742
Half
13.11 mi11:40:581:33:597:104:51
7:07
#8700
25K
15.53 mi11:59:181:52:197:1418:20
7:34
#8951
30K
18.64 mi12:25:192:18:207:2526:01
8:22
#9882
20M
20.00 mi12:37:522:30:537:3312:33
9:14
#10641
21M
21.00 mi12:48:212:41:227:4110:29
10:29
#11325
35K
21.75 mi12:54:522:47:537:436:31
8:43
#11572
23M
23.00 mi13:06:142:59:157:4811:22
9:05
#11915
24M
24.00 mi13:14:213:07:227:488:07
8:07
#11896
40K
24.85 mi13:21:203:14:217:496:59
8:10
#11855
25.2M
25.20 mi13:24:223:17:237:503:02
8:48
#11824
Finish
26.22 mi13:32:033:25:047:507:41
7:32
#11701
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi8249715571559291(Top 33%)7709(Top 48%)7709(Top 343%)
10K6.21 mi3.10 mi8271-227157-27157-28290(Top 29%)7163(Top 44%)7163(Top 319%)
15K9.32 mi3.11 mi8547-2767317-1607317-1609291(Top 33%)7709(Top 48%)7709(Top 343%)
20K12.43 mi3.11 mi8742-1957408-917408-919591(Top 34%)7790(Top 48%)7790(Top 347%)
Half13.11 mi0.68 mi8700+427378+307378+308364(Top 29%)7133(Top 44%)7133(Top 317%)
25K15.53 mi2.42 mi8951-2517503-1257503-12510438(Top 37%)8112(Top 50%)8112(Top 361%)
30K18.64 mi3.11 mi9882-9317954-4517954-45113961(Top 49%)9578(Top 59%)9578(Top 426%)
20M20.00 mi1.36 mi10641-7598287-3338287-33317933(Top 63%)11205(Top 70%)11205(Top 499%)
21M21.00 mi1.00 mi11325-6848579-2928579-29219930(Top 70%)12003(Top 75%)12003(Top 534%)
35K21.75 mi0.75 mi11572-2478670-918670-9116697(Top 59%)10471(Top 65%)10471(Top 466%)
23M23.00 mi1.25 mi11915-3438792-1228792-12216673(Top 59%)10363(Top 64%)10363(Top 461%)
24M24.00 mi1.00 mi11896+198752+408752+4011990(Top 42%)8156(Top 51%)8156(Top 363%)
40K24.85 mi0.85 mi11855+418694+588694+5811344(Top 40%)7735(Top 48%)7735(Top 344%)
25.2M25.20 mi0.35 mi11824+318662+328662+3210563(Top 37%)7255(Top 45%)7255(Top 323%)
Finish26.22 mi1.02 mi11701+1238564+988564+989473(Top 33%)6701(Top 42%)6701(Top 298%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9291

Males

7709

M40-44

7709

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

8290

Males

7163

M40-44

7163

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9291

Males

7709

M40-44

7709

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9591

Males

7790

M40-44

7790

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8364

Males

7133

M40-44

7133

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10438

Males

8112

M40-44

8112

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13961

Males

9578

M40-44

9578

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

17933

Males

11205

M40-44

11205

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

19930

Males

12003

M40-44

12003

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16697

Males

10471

M40-44

10471

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16673

Males

10363

M40-44

10363

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11990

Males

8156

M40-44

8156

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11344

Males

7735

M40-44

7735

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10563

Males

7255

M40-44

7255

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9473

Males

6701

M40-44

6701

Passing Analysis

Category:
Athletes Passed
1080
Passed By
4530
Net Change
-3452
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8249
5K → 10K204226-22#8249#8271
10K → 15K85361-276#8271#8547
15K → 20K109304-195#8547#8742
20K → Half5412+42#8742#8700
Half → 25K87338-251#8700#8951
25K → 30K53984-931#8951#9882
30K → 20M24781-759#9882#10641
20M → 21M9693-684#10641#11325
21M → 35K20267-247#11325#11572
35K → 23M48391-343#11572#11915
23M → 24M8364+19#11915#11896
24M → 40K10059+41#11896#11855
40K → 25.2M5928+31#11855#11824
25.2M → Finish14522+123#11824#11701
TOTALS10804530-3452
📊

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