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BOSTON MARATHON 2025

Chia Hung Yang

Bib: 13665•M

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:07/mi
25:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
51:43
↑ 79↓ 1380.4%
15K· 9.32 mi
8:45/mi
1:18:55
↑ 67↓ 78
20K· 12.43 mi
9:10/mi
1:47:23
↑ 106↓ 860.1%
Half· 13.11 mi
9:04/mi
1:53:34
↑ 19↓ 370.5%
25K· 15.53 mi
9:28/mi
2:16:30
↑ 66↓ 880.2%
30K· 18.64 mi
9:27/mi
2:45:53
↑ 181↓ 1480.2%
20M
9:44/mi
2:59:06
↑ 64↓ 500.2%
21M
10:44/mi
3:09:50
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
3:17:04
↑ 17↓ 861.7%
23M
9:36/mi
3:29:05
↑ 23↓ 630.6%
24M
9:16/mi
3:38:21
↓ 821.3%
40K· 24.85 mi
9:18/mi
3:46:18
↓ 200.3%
25.2M
10:38/mi
3:49:58
↑ 13↓ 160.2%
Finish· 26.22 mi
8:54/mi
3:59:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:34
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:05:28
Pace9:34 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2325:128:0725:12
8:07
-
10K
6.21 mi11:21:5451:438:1926:31
8:32
+0:25
15K
9.32 mi11:49:061:18:558:2827:12
8:45
+0:13
20K
12.43 mi12:17:341:47:238:3828:28
9:10
+0:25
Half
13.11 mi12:23:451:53:348:406:11
9:04
-0:06
25K
15.53 mi12:46:412:16:308:4722:56
9:28
+0:24
30K
18.64 mi13:16:042:45:538:5429:23
9:27
-0:01
20M
20.00 mi13:29:172:59:068:5713:13
9:44
+0:17
21M
21.00 mi13:40:013:09:509:0210:44
10:44
+1:00
35K
21.75 mi13:47:153:17:049:047:14
9:40
-1:04
23M
23.00 mi13:59:163:29:059:0512:01
9:36
-0:04
24M
24.00 mi14:08:323:38:219:069:16
9:16
-0:20
40K
24.85 mi14:16:293:46:189:067:57
9:18
+0:02
25.2M
25.20 mi14:20:093:49:589:083:40
10:38
+1:20
Finish
26.22 mi14:29:133:59:029:079:04
8:54
-1:44

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

8:07 /mi

Average Pace

9:07 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:59

37% of race

Time at Steady Pace

1:56:12

49% of race

Time at Slower Pace

34:51

15% of race

Average Pace: 9:07 /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 mi10:55:2325:128:0725:12
8:07
#17428
10K
6.21 mi11:21:5451:438:1926:31
8:32
#18752
15K
9.32 mi11:49:061:18:558:2827:12
8:45
#19464
20K
12.43 mi12:17:341:47:238:3828:28
9:10
#20089
Half
13.11 mi12:23:451:53:348:406:11
9:04
#20200
25K
15.53 mi12:46:412:16:308:4722:56
9:28
#20556
30K
18.64 mi13:16:042:45:538:5429:23
9:27
#20364
20M
20.00 mi13:29:172:59:068:5713:13
9:44
#20346
21M
21.00 mi13:40:013:09:509:0210:44
10:44
#20385
35K
21.75 mi13:47:153:17:049:047:14
9:40
#20405
23M
23.00 mi13:59:163:29:059:0512:01
9:36
#20330
24M
24.00 mi14:08:323:38:219:069:16
9:16
#20273
40K
24.85 mi14:16:293:46:189:067:57
9:18
#20188
25.2M
25.20 mi14:20:093:49:589:083:40
10:38
#20183
Finish
26.22 mi14:29:133:59:029:079:04
8:54
#20166
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi17428113881138820778(Top 73%)12846(Top 80%)12846(Top 644%)
10K6.21 mi3.10 mi18752-132411930-54211930-54219994(Top 70%)12478(Top 77%)12478(Top 625%)
15K9.32 mi3.11 mi19464-71212246-31612246-31620778(Top 73%)12846(Top 80%)12846(Top 644%)
20K12.43 mi3.11 mi20089-62512512-26612512-26621730(Top 77%)13224(Top 82%)13224(Top 663%)
Half13.11 mi0.68 mi20200-11112549-3712549-3722036(Top 78%)13340(Top 83%)13340(Top 668%)
25K15.53 mi2.42 mi20556-35612697-14812697-14821720(Top 76%)13171(Top 82%)13171(Top 660%)
30K18.64 mi3.11 mi20364+19212569+12812569+12819770(Top 70%)12185(Top 76%)12185(Top 610%)
20M20.00 mi1.36 mi20346+1812543+2612543+2620025(Top 71%)12166(Top 76%)12166(Top 610%)
21M21.00 mi1.00 mi20385-39125431254320677(Top 73%)12339(Top 77%)12339(Top 618%)
35K21.75 mi0.75 mi20405-2012534+912534+920888(Top 74%)12393(Top 77%)12393(Top 621%)
23M23.00 mi1.25 mi20330+7512471+6312471+6319068(Top 67%)11474(Top 71%)11474(Top 575%)
24M24.00 mi1.00 mi20273+5712429+4212429+4218660(Top 66%)11250(Top 70%)11250(Top 564%)
40K24.85 mi0.85 mi20188+8512371+5812371+5817842(Top 63%)10747(Top 67%)10747(Top 538%)
25.2M25.20 mi0.35 mi20183+512364+712364+719464(Top 69%)11538(Top 72%)11538(Top 578%)
Finish26.22 mi1.02 mi20166+1712347+1712347+1718518(Top 65%)11136(Top 69%)11136(Top 558%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

20778

Males

12846

M50-54

12846

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19994

Males

12478

M50-54

12478

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

20778

Males

12846

M50-54

12846

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

21730

Males

13224

M50-54

13224

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

22036

Males

13340

M50-54

13340

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21720

Males

13171

M50-54

13171

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19770

Males

12185

M50-54

12185

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

20025

Males

12166

M50-54

12166

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

20677

Males

12339

M50-54

12339

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

20888

Males

12393

M50-54

12393

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

19068

Males

11474

M50-54

11474

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18660

Males

11250

M50-54

11250

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17842

Males

10747

M50-54

10747

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19464

Males

11538

M50-54

11538

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18518

Males

11136

M50-54

11136

Passing Analysis

Category:
Athletes Passed
1182
Passed By
3920
Net Change
-2738
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17428
5K → 10K291353-1324#17428#18752
10K → 15K41753-712#18752#19464
15K → 20K64689-625#19464#20089
20K → Half9120-111#20089#20200
Half → 25K76432-356#20200#20556
25K → 30K309117+192#20556#20364
30K → 20M10991+18#20364#20346
20M → 21M77116-39#20346#20385
21M → 35K5373-20#20385#20405
35K → 23M12550+75#20405#20330
23M → 24M8528+57#20330#20273
24M → 40K10419+85#20273#20188
40K → 25.2M3530+5#20188#20183
25.2M → Finish6649+17#20183#20166
TOTALS11823920-2738
📊

Passing Visuals

Category:
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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