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BOSTON MARATHON 2025

Chan Ming Ho

Bib: 7521•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Masters (Masters Men)
#0 / 10463
Top 21%
Division (M40-44)
#0 / 2247
Top 46%
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
6:31/mi
20:15
↑ 97↓ 3451.5%
10K· 6.21 mi
6:35/mi
40:43
↑ 79↓ 1380.4%
15K· 9.32 mi
6:38/mi
1:01:21
↑ 67↓ 78
20K· 12.43 mi
6:44/mi
1:22:16
↑ 106↓ 860.1%
Half· 13.11 mi
6:42/mi
1:26:50
↑ 19↓ 370.5%
25K· 15.53 mi
6:55/mi
1:43:35
↑ 66↓ 880.2%
30K· 18.64 mi
7:13/mi
2:06:00
↑ 181↓ 1480.2%
20M
7:20/mi
2:15:58
↑ 64↓ 500.2%
21M
8:25/mi
2:24:23
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:30:05
↑ 17↓ 861.7%
23M
8:10/mi
2:40:18
↑ 23↓ 630.6%
24M
8:40/mi
2:48:58
↓ 821.3%
40K· 24.85 mi
8:28/mi
2:56:12
↓ 200.3%
25.2M
9:34/mi
2:59:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:35/mi
3:07:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:50
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:40:24
Pace7:40 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0520:156:3120:15
6:31
-
10K
6.21 mi10:46:3340:436:3320:28
6:35
+0:04
15K
9.32 mi11:07:111:01:216:3520:38
6:38
+0:03
20K
12.43 mi11:28:061:22:166:3720:55
6:44
+0:06
Half
13.11 mi11:32:401:26:506:374:34
6:42
-0:02
25K
15.53 mi11:49:251:43:356:4016:45
6:55
+0:13
30K
18.64 mi12:11:502:06:006:4622:25
7:13
+0:18
20M
20.00 mi12:21:482:15:586:489:58
7:20
+0:07
21M
21.00 mi12:30:132:24:236:538:25
8:25
+1:05
35K
21.75 mi12:35:552:30:056:545:42
7:37
-0:48
23M
23.00 mi12:46:082:40:186:5810:13
8:10
+0:33
24M
24.00 mi12:54:482:48:587:028:40
8:40
+0:30
40K
24.85 mi13:02:022:56:127:057:14
8:28
-0:12
25.2M
25.20 mi13:05:202:59:307:073:18
9:34
+1:06
Finish
26.22 mi13:13:043:07:147:097:44
7:35
-1:59

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

6:31 /mi

Average Pace

7:09 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:50

46% of race

Time at Steady Pace

1:02:34

33% of race

Time at Slower Pace

37:50

20% of race

Average Pace: 7:08 /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 mi10:26:0520:156:3120:15
6:31
#3961
10K
6.21 mi10:46:3340:436:3320:28
6:35
#4152
15K
9.32 mi11:07:111:01:216:3520:38
6:38
#4264
20K
12.43 mi11:28:061:22:166:3720:55
6:44
#4326
Half
13.11 mi11:32:401:26:506:374:34
6:42
#4355
25K
15.53 mi11:49:251:43:356:4016:45
6:55
#4532
30K
18.64 mi12:11:502:06:006:4622:25
7:13
#4831
20M
20.00 mi12:21:482:15:586:489:58
7:20
#4902
21M
21.00 mi12:30:132:24:236:538:25
8:25
#5235
35K
21.75 mi12:35:552:30:056:545:42
7:37
#5383
23M
23.00 mi12:46:082:40:186:5810:13
8:10
#5616
24M
24.00 mi12:54:482:48:587:028:40
8:40
#5955
40K
24.85 mi13:02:022:56:127:057:14
8:28
#6122
25.2M
25.20 mi13:05:202:59:307:073:18
9:34
#6228
Finish
26.22 mi13:13:043:07:147:097:44
7:35
#6282
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3961374837484589(Top 16%)4296(Top 27%)4296(Top 191%)
10K6.21 mi3.10 mi4152-1913913-1653913-1654369(Top 15%)4102(Top 25%)4102(Top 183%)
15K9.32 mi3.11 mi4264-1124010-974010-974589(Top 16%)4296(Top 27%)4296(Top 191%)
20K12.43 mi3.11 mi4326-624064-544064-544719(Top 17%)4373(Top 27%)4373(Top 195%)
Half13.11 mi0.68 mi4355-294088-244088-245209(Top 18%)4804(Top 30%)4804(Top 214%)
25K15.53 mi2.42 mi4532-1774238-1504238-1505723(Top 20%)5176(Top 32%)5176(Top 230%)
30K18.64 mi3.11 mi4831-2994469-2314469-2315983(Top 21%)5295(Top 33%)5295(Top 236%)
20M20.00 mi1.36 mi4902-714529-604529-605980(Top 21%)5182(Top 32%)5182(Top 231%)
21M21.00 mi1.00 mi5235-3334795-2664795-2669906(Top 35%)7296(Top 45%)7296(Top 325%)
35K21.75 mi0.75 mi5383-1484914-1194914-1199403(Top 33%)7046(Top 44%)7046(Top 314%)
23M23.00 mi1.25 mi5616-2335088-1745088-17411079(Top 39%)7774(Top 48%)7774(Top 346%)
24M24.00 mi1.00 mi5955-3395330-2425330-24215501(Top 55%)9805(Top 61%)9805(Top 436%)
40K24.85 mi0.85 mi6122-1675440-1105440-11013126(Top 46%)8565(Top 53%)8565(Top 381%)
25.2M25.20 mi0.35 mi6228-1065502-625502-6214838(Top 52%)9296(Top 58%)9296(Top 414%)
Finish26.22 mi1.02 mi6282-545513-115513-119803(Top 35%)6864(Top 43%)6864(Top 305%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21story building
+97ft-345ft

Overall

4589

Males

4296

M40-44

4296

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

4369

Males

4102

M40-44

4102

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+67ft-78ft

Overall

4589

Males

4296

M40-44

4296

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4719

Males

4373

M40-44

4373

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

5209

Males

4804

M40-44

4804

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5723

Males

5176

M40-44

5176

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5983

Males

5295

M40-44

5295

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5980

Males

5182

M40-44

5182

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9906

Males

7296

M40-44

7296

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9403

Males

7046

M40-44

7046

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11079

Males

7774

M40-44

7774

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15501

Males

9805

M40-44

9805

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13126

Males

8565

M40-44

8565

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14838

Males

9296

M40-44

9296

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9803

Males

6864

M40-44

6864

Passing Analysis

Category:
Athletes Passed
567
Passed By
2888
Net Change
-2321
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3961
5K → 10K79270-191#3961#4152
10K → 15K54166-112#4152#4264
15K → 20K81143-62#4264#4326
20K → Half1039-29#4326#4355
Half → 25K63240-177#4355#4532
25K → 30K74373-299#4532#4831
30K → 20M54125-71#4831#4902
20M → 21M20353-333#4902#5235
21M → 35K16164-148#5235#5383
35K → 23M35268-233#5383#5616
23M → 24M9348-339#5616#5955
24M → 40K19186-167#5955#6122
40K → 25.2M10116-106#6122#6228
25.2M → Finish4397-54#6228#6282
TOTALS5672888-2321
📊

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