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BOSTON MARATHON 2025

Hsinhung Chen

Bib: 9605•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 44%
Masters (Masters Men)
#0 / 10463
Top 32%
Division (M45-49)
#0 / 2386
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:15
Rank: #9139
Start → 5K
22:15 | 7:10/mi
10K· 6.21 mi
44:09
Rank: #8674 (+465)
5K → 10K
21:54 | 7:03/mi
15K· 9.32 mi
1:06:22
Rank: #8658 (+16)
10K → 15K
22:13 | 7:09/mi
20K· 12.43 mi
1:28:57
Rank: #8613 (+45)
15K → 20K
22:35 | 7:16/mi
Half· 13.11 mi
1:34:03
Rank: #8743 (-130)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:51:47
Rank: #8642 (+101)
Half → 25K
17:44 | 7:19/mi
30K· 18.64 mi
2:15:49
Rank: #8710 (-68)
25K → 30K
24:02 | 7:44/mi
20M
2:26:40
Rank: #8810 (-100)
30K → 20M
10:51 | 7:59/mi
21M
2:35:09
Rank: #8877 (-67)
20M → 21M
8:29 | 8:29/mi
35K· 21.75 mi
2:40:45
Rank: #8830 (+47)
21M → 35K
5:36 | 7:29/mi
23M
2:50:50
Rank: #8882 (-52)
35K → 23M
10:05 | 8:03/mi
24M
2:58:19
Rank: #8786 (+96)
23M → 24M
7:29 | 7:29/mi
40K· 24.85 mi
3:04:46
Rank: #8666 (+120)
24M → 40K
6:27 | 7:33/mi
25.2M
3:07:39
Rank: #8630 (+36)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:15:18
Rank: #8649 (-19)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:03
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:41:15
Pace7:43 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1822:157:1022:15
7:10
-
10K
6.21 mi11:10:1244:097:0621:54
7:03
-0:07
15K
9.32 mi11:32:251:06:227:0722:13
7:09
+0:06
20K
12.43 mi11:55:001:28:577:0922:35
7:16
+0:07
Half
13.11 mi12:00:061:34:037:105:06
7:29
+0:13
25K
15.53 mi12:17:501:51:477:1217:44
7:19
-0:10
30K
18.64 mi12:41:522:15:497:1724:02
7:44
+0:25
20M
20.00 mi12:52:432:26:407:2010:51
7:59
+0:15
21M
21.00 mi13:01:122:35:097:238:29
8:29
+0:30
35K
21.75 mi13:06:482:40:457:235:36
7:29
-1:00
23M
23.00 mi13:16:532:50:507:2610:05
8:03
+0:34
24M
24.00 mi13:24:222:58:197:267:29
7:29
-0:34
40K
24.85 mi13:30:493:04:467:266:27
7:33
+0:04
25.2M
25.20 mi13:33:423:07:397:272:53
8:22
+0:49
Finish
26.22 mi13:41:213:15:187:277:39
7:30
-0:52

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

7:27 /mi

Slowest Pace

8:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:57

46% of race

Time at Steady Pace

50:01

26% of race

Time at Slower Pace

56:20

29% of race

Average Pace: 7:27 /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 mi10:48:1822:157:1022:15
7:10
#9139
10K
6.21 mi11:10:1244:097:0621:54
7:03
#8674
15K
9.32 mi11:32:251:06:227:0722:13
7:09
#8658
20K
12.43 mi11:55:001:28:577:0922:35
7:16
#8613
Half
13.11 mi12:00:061:34:037:105:06
7:29
#8743
25K
15.53 mi12:17:501:51:477:1217:44
7:19
#8642
30K
18.64 mi12:41:522:15:497:1724:02
7:44
#8710
20M
20.00 mi12:52:432:26:407:2010:51
7:59
#8810
21M
21.00 mi13:01:122:35:097:238:29
8:29
#8877
35K
21.75 mi13:06:482:40:457:235:36
7:29
#8830
23M
23.00 mi13:16:532:50:507:2610:05
8:03
#8882
24M
24.00 mi13:24:222:58:197:267:29
7:29
#8786
40K
24.85 mi13:30:493:04:467:266:27
7:33
#8666
25.2M
25.20 mi13:33:423:07:397:272:53
8:22
#8630
Finish
26.22 mi13:41:213:15:187:277:39
7:30
#8649
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9139769176918704(Top 31%)7375(Top 46%)7375(Top 309%)
10K6.21 mi3.10 mi8674+4657405+2867405+2868283(Top 29%)7156(Top 44%)7156(Top 300%)
15K9.32 mi3.11 mi8658+167381+247381+248704(Top 31%)7375(Top 46%)7375(Top 309%)
20K12.43 mi3.11 mi8613+457333+487333+488774(Top 31%)7322(Top 45%)7322(Top 307%)
Half13.11 mi0.68 mi8743-1307400-677400-6711421(Top 40%)8731(Top 54%)8731(Top 366%)
25K15.53 mi2.42 mi8642+1017325+757325+758455(Top 30%)7035(Top 44%)7035(Top 295%)
30K18.64 mi3.11 mi8710-687313+127313+129429(Top 33%)7389(Top 46%)7389(Top 310%)
20M20.00 mi1.36 mi8810-1007322-97322-910316(Top 36%)7689(Top 48%)7689(Top 322%)
21M21.00 mi1.00 mi8877-677332-107332-1010314(Top 36%)7511(Top 47%)7511(Top 315%)
35K21.75 mi0.75 mi8830+477284+487284+488493(Top 30%)6585(Top 41%)6585(Top 276%)
23M23.00 mi1.25 mi8882-527265+197265+1910401(Top 37%)7425(Top 46%)7425(Top 311%)
24M24.00 mi1.00 mi8786+967179+867179+867561(Top 27%)5850(Top 36%)5850(Top 245%)
40K24.85 mi0.85 mi8666+1207069+1107069+1107037(Top 25%)5455(Top 34%)5455(Top 229%)
25.2M25.20 mi0.35 mi8630+367034+357034+357928(Top 28%)5869(Top 36%)5869(Top 246%)
Finish26.22 mi1.02 mi8649-197020+147020+149214(Top 32%)6559(Top 41%)6559(Top 275%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8704

Males

7375

M45-49

7375

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

8283

Males

7156

M45-49

7156

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8704

Males

7375

M45-49

7375

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8774

Males

7322

M45-49

7322

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

11421

Males

8731

M45-49

8731

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8455

Males

7035

M45-49

7035

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9429

Males

7389

M45-49

7389

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10316

Males

7689

M45-49

7689

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10314

Males

7511

M45-49

7511

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8493

Males

6585

M45-49

6585

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

10401

Males

7425

M45-49

7425

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7561

Males

5850

M45-49

5850

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7037

Males

5455

M45-49

5455

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7928

Males

5869

M45-49

5869

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

9214

Males

6559

M45-49

6559

Passing Analysis

Category:
Athletes Passed
1993
Passed By
1503
Net Change
+490
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9139
5K → 10K52156+465#9139#8674
10K → 15K163147+16#8674#8658
15K → 20K201156+45#8658#8613
20K → Half8138-130#8613#8743
Half → 25K19089+101#8743#8642
25K → 30K185253-68#8642#8710
30K → 20M73173-100#8710#8810
20M → 21M78145-67#8810#8877
21M → 35K7730+47#8877#8830
35K → 23M108160-52#8830#8882
23M → 24M13135+96#8882#8786
24M → 40K14121+120#8786#8666
40K → 25.2M5519+36#8666#8630
25.2M → Finish6281-19#8630#8649
TOTALS19931503+490
📊

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