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BOSTON MARATHON 2025

Kuo Chao Hsia

Bib: 20709•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:47
Rank: #13559
Start → 5K
23:47 | 7:39/mi
10K· 6.21 mi
48:07
Rank: #14269 (-710)
5K → 10K
24:20 | 7:50/mi
15K· 9.32 mi
1:12:49
Rank: #14737 (-468)
10K → 15K
24:42 | 7:57/mi
20K· 12.43 mi
1:37:56
Rank: #14916 (-179)
15K → 20K
25:07 | 8:05/mi
Half· 13.11 mi
1:43:25
Rank: #14996 (-80)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:03:10
Rank: #14978 (+18)
Half → 25K
19:45 | 8:09/mi
30K· 18.64 mi
2:29:43
Rank: #14972 (+6)
25K → 30K
26:33 | 8:33/mi
20M
2:41:30
Rank: #14940 (+32)
30K → 20M
11:47 | 8:40/mi
21M
2:51:12
Rank: #15048 (-108)
20M → 21M
9:42 | 9:42/mi
35K· 21.75 mi
2:57:38
Rank: #15067 (-19)
21M → 35K
6:26 | 8:36/mi
23M
3:09:03
Rank: #15173 (-106)
35K → 23M
11:25 | 9:07/mi
24M
3:17:52
Rank: #15218 (-45)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:25:37
Rank: #15260 (-42)
24M → 40K
7:45 | 9:04/mi
25.2M
3:29:06
Rank: #15293 (-33)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:37:59
Rank: #15375 (-82)
25.2M → Finish
8:53 | 8:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:25
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:54:34
Pace8:44 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5423:477:3923:47
7:39
-
10K
6.21 mi11:38:1448:077:4524:20
7:50
+0:11
15K
9.32 mi12:02:561:12:497:4924:42
7:57
+0:07
20K
12.43 mi12:28:031:37:567:5325:07
8:05
+0:08
Half
13.11 mi12:33:321:43:257:535:29
8:02
-0:03
25K
15.53 mi12:53:172:03:107:5619:45
8:09
+0:07
30K
18.64 mi13:19:502:29:438:0226:33
8:33
+0:24
20M
20.00 mi13:31:372:41:308:0411:47
8:40
+0:07
21M
21.00 mi13:41:192:51:128:099:42
9:42
+1:02
35K
21.75 mi13:47:452:57:388:106:26
8:36
-1:06
23M
23.00 mi13:59:103:09:038:1311:25
9:07
+0:31
24M
24.00 mi14:07:593:17:528:158:49
8:49
-0:18
40K
24.85 mi14:15:443:25:378:167:45
9:04
+0:15
25.2M
25.20 mi14:19:133:29:068:183:29
10:06
+1:02
Finish
26.22 mi14:28:063:37:598:198:53
8:43
-1:23

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

7:39 /mi

Average Pace

8:19 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:10

57% of race

Time at Steady Pace

1:02:28

29% of race

Time at Slower Pace

32:21

15% of race

Average Pace: 8:19 /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 mi11:13:5423:477:3923:47
7:39
#13559
10K
6.21 mi11:38:1448:077:4524:20
7:50
#14269
15K
9.32 mi12:02:561:12:497:4924:42
7:57
#14737
20K
12.43 mi12:28:031:37:567:5325:07
8:05
#14916
Half
13.11 mi12:33:321:43:257:535:29
8:02
#14996
25K
15.53 mi12:53:172:03:107:5619:45
8:09
#14978
30K
18.64 mi13:19:502:29:438:0226:33
8:33
#14972
20M
20.00 mi13:31:372:41:308:0411:47
8:40
#14940
21M
21.00 mi13:41:192:51:128:099:42
9:42
#15048
35K
21.75 mi13:47:452:57:388:106:26
8:36
#15067
23M
23.00 mi13:59:103:09:038:1311:25
9:07
#15173
24M
24.00 mi14:07:593:17:528:158:49
8:49
#15218
40K
24.85 mi14:15:443:25:378:167:45
9:04
#15260
25.2M
25.20 mi14:19:133:29:068:183:29
10:06
#15293
Finish
26.22 mi14:28:063:37:598:198:53
8:43
#15375
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi135599890989015650(Top 55%)10664(Top 66%)10664(Top 847%)
10K6.21 mi3.10 mi14269-71010128-23810128-23815098(Top 53%)10463(Top 65%)10463(Top 831%)
15K9.32 mi3.11 mi14737-46810300-17210300-17215650(Top 55%)10664(Top 66%)10664(Top 847%)
20K12.43 mi3.11 mi14916-17910333-3310333-3315516(Top 55%)10551(Top 66%)10551(Top 838%)
Half13.11 mi0.68 mi14996-8010366-3310366-3316141(Top 57%)10814(Top 67%)10814(Top 859%)
25K15.53 mi2.42 mi14978+1810333+3310333+3314940(Top 53%)10191(Top 63%)10191(Top 809%)
30K18.64 mi3.11 mi14972+610274+5910274+5915040(Top 53%)10072(Top 63%)10072(Top 800%)
20M20.00 mi1.36 mi14940+3210235+3910235+3914867(Top 52%)9855(Top 61%)9855(Top 783%)
21M21.00 mi1.00 mi15048-10810255-2010255-2017006(Top 60%)10696(Top 66%)10696(Top 850%)
35K21.75 mi0.75 mi15067-1910245+1010245+1016028(Top 56%)10180(Top 63%)10180(Top 809%)
23M23.00 mi1.25 mi15173-10610259-1410259-1416897(Top 59%)10459(Top 65%)10459(Top 831%)
24M24.00 mi1.00 mi15218-4510244+1510244+1516387(Top 58%)10202(Top 63%)10202(Top 810%)
40K24.85 mi0.85 mi15260-4210225+1910225+1916657(Top 59%)10209(Top 63%)10209(Top 811%)
25.2M25.20 mi0.35 mi15293-3310232-710232-717409(Top 61%)10549(Top 66%)10549(Top 838%)
Finish26.22 mi1.02 mi15375-8210242-1010242-1017547(Top 62%)10650(Top 66%)10650(Top 846%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

15650

Males

10664

M60-64

10664

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

15098

Males

10463

M60-64

10463

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

15650

Males

10664

M60-64

10664

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15516

Males

10551

M60-64

10551

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16141

Males

10814

M60-64

10814

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14940

Males

10191

M60-64

10191

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

15040

Males

10072

M60-64

10072

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

14867

Males

9855

M60-64

9855

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17006

Males

10696

M60-64

10696

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

16028

Males

10180

M60-64

10180

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16897

Males

10459

M60-64

10459

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16387

Males

10202

M60-64

10202

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16657

Males

10209

M60-64

10209

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17409

Males

10549

M60-64

10549

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17547

Males

10650

M60-64

10650

Passing Analysis

Category:
Athletes Passed
1338
Passed By
3154
Net Change
-1816
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13559
5K → 10K95805-710#13559#14269
10K → 15K78546-468#14269#14737
15K → 20K171350-179#14737#14916
20K → Half1898-80#14916#14996
Half → 25K178160+18#14996#14978
25K → 30K258252+6#14978#14972
30K → 20M140108+32#14972#14940
20M → 21M88196-108#14940#15048
21M → 35K5372-19#15048#15067
35K → 23M71177-106#15067#15173
23M → 24M68113-45#15173#15218
24M → 40K63105-42#15218#15260
40K → 25.2M2255-33#15260#15293
25.2M → Finish35117-82#15293#15375
TOTALS13383154-1816
📊

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