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BOSTON MARATHON 2025

Weihong Ma

Bib: 3035•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Division (M18-39)
#0 / 5642
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:07
Rank: #1636
Start → 5K
19:07 | 6:09/mi
10K· 6.21 mi
38:10
Rank: #1604 (+32)
5K → 10K
19:03 | 6:08/mi
15K· 9.32 mi
57:14
Rank: #1578 (+26)
10K → 15K
19:04 | 6:08/mi
20K· 12.43 mi
1:16:48
Rank: #1675 (-97)
15K → 20K
19:34 | 6:18/mi
Half· 13.11 mi
1:21:01
Rank: #1678 (-3)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:36:26
Rank: #1717 (-39)
Half → 25K
15:25 | 6:22/mi
30K· 18.64 mi
1:57:19
Rank: #1919 (-202)
25K → 30K
20:53 | 6:43/mi
20M
2:06:38
Rank: #1984 (-65)
30K → 20M
9:19 | 6:51/mi
21M
2:14:43
Rank: #2219 (-235)
20M → 21M
8:05 | 8:05/mi
35K· 21.75 mi
2:19:41
Rank: #2234 (-15)
21M → 35K
4:58 | 6:38/mi
23M
2:30:36
Rank: #2780 (-546)
35K → 23M
10:55 | 8:43/mi
24M
2:39:41
Rank: #3300 (-520)
23M → 24M
9:05 | 9:05/mi
40K· 24.85 mi
2:47:10
Rank: #3700 (-400)
24M → 40K
7:29 | 8:45/mi
25.2M
2:49:52
Rank: #3708 (-8)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:56:33
Rank: #3630 (+78)
25.2M → Finish
6:41 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:01
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:35:32
Pace7:17 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2219:076:0919:07
6:09
-
10K
6.21 mi10:39:2538:106:0919:03
6:08
-0:01
15K
9.32 mi10:58:2957:146:0819:04
6:08
0:00
20K
12.43 mi11:18:031:16:486:1119:34
6:18
+0:10
Half
13.11 mi11:22:161:21:016:114:13
6:11
-0:07
25K
15.53 mi11:37:411:36:266:1215:25
6:22
+0:11
30K
18.64 mi11:58:341:57:196:1820:53
6:43
+0:21
20M
20.00 mi12:07:532:06:386:209:19
6:51
+0:08
21M
21.00 mi12:15:582:14:436:258:05
8:05
+1:14
35K
21.75 mi12:20:562:19:416:254:58
6:38
-1:27
23M
23.00 mi12:31:512:30:366:3310:55
8:43
+2:05
24M
24.00 mi12:40:562:39:416:399:05
9:05
+0:22
40K
24.85 mi12:48:252:47:106:447:29
8:45
-0:20
25.2M
25.20 mi12:51:072:49:526:442:42
7:50
-0:55
Finish
26.22 mi12:57:482:56:336:446:41
6:34
-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

6:08 /mi

Average Pace

6:44 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:18:17

78% of race

Time at Slower Pace

38:16

22% of race

Average Pace: 6:44 /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 mi10:20:2219:076:0919:07
6:09
#1636
10K
6.21 mi10:39:2538:106:0919:03
6:08
#1604
15K
9.32 mi10:58:2957:146:0819:04
6:08
#1578
20K
12.43 mi11:18:031:16:486:1119:34
6:18
#1675
Half
13.11 mi11:22:161:21:016:114:13
6:11
#1678
25K
15.53 mi11:37:411:36:266:1215:25
6:22
#1717
30K
18.64 mi11:58:341:57:196:1820:53
6:43
#1919
20M
20.00 mi12:07:532:06:386:209:19
6:51
#1984
21M
21.00 mi12:15:582:14:436:258:05
8:05
#2219
35K
21.75 mi12:20:562:19:416:254:58
6:38
#2234
23M
23.00 mi12:31:512:30:366:3310:55
8:43
#2780
24M
24.00 mi12:40:562:39:416:399:05
9:05
#3300
40K
24.85 mi12:48:252:47:106:447:29
8:45
#3700
25.2M
25.20 mi12:51:072:49:526:442:42
7:50
#3708
Finish
26.22 mi12:57:482:56:336:446:41
6:34
#3630
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1636155415541560(Top 5%)1483(Top 9%)1483(Top 26%)
10K6.21 mi3.10 mi1604+321526+281526+281602(Top 6%)1525(Top 9%)1525(Top 27%)
15K9.32 mi3.11 mi1578+261501+251501+251560(Top 5%)1483(Top 9%)1483(Top 26%)
20K12.43 mi3.11 mi1675-971591-901591-902013(Top 7%)1918(Top 12%)1918(Top 34%)
Half13.11 mi0.68 mi1678-31593-21593-21935(Top 7%)1848(Top 11%)1848(Top 33%)
25K15.53 mi2.42 mi1717-391630-371630-372164(Top 8%)2060(Top 13%)2060(Top 37%)
30K18.64 mi3.11 mi1919-2021827-1971827-1972995(Top 11%)2817(Top 17%)2817(Top 50%)
20M20.00 mi1.36 mi1984-651889-621889-623266(Top 11%)3022(Top 19%)3022(Top 54%)
21M21.00 mi1.00 mi2219-2352117-2282117-2287821(Top 28%)6150(Top 38%)6150(Top 109%)
35K21.75 mi0.75 mi2234-152130-132130-133188(Top 11%)2930(Top 18%)2930(Top 52%)
23M23.00 mi1.25 mi2780-5462638-5082638-50814629(Top 52%)9446(Top 59%)9446(Top 167%)
24M24.00 mi1.00 mi3300-5203107-4693107-46917752(Top 62%)10794(Top 67%)10794(Top 191%)
40K24.85 mi0.85 mi3700-4003454-3473454-34714872(Top 52%)9369(Top 58%)9369(Top 166%)
25.2M25.20 mi0.35 mi3708-83458-43458-45021(Top 18%)4138(Top 26%)4138(Top 73%)
Finish26.22 mi1.02 mi3630+783381+773381+773111(Top 11%)2766(Top 17%)2766(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1560

Males

1483

M18-39

1483

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1602

Males

1525

M18-39

1525

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1560

Males

1483

M18-39

1483

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2013

Males

1918

M18-39

1918

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1935

Males

1848

M18-39

1848

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2164

Males

2060

M18-39

2060

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2995

Males

2817

M18-39

2817

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3266

Males

3022

M18-39

3022

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7821

Males

6150

M18-39

6150

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3188

Males

2930

M18-39

2930

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14629

Males

9446

M18-39

9446

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17752

Males

10794

M18-39

10794

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14872

Males

9369

M18-39

9369

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5021

Males

4138

M18-39

4138

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3111

Males

2766

M18-39

2766

Passing Analysis

Category:
Athletes Passed
438
Passed By
2432
Net Change
-1994
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1636
5K → 10K10169+32#1636#1604
10K → 15K6337+26#1604#1578
15K → 20K24121-97#1578#1675
20K → Half912-3#1675#1678
Half → 25K4079-39#1678#1717
25K → 30K35237-202#1717#1919
30K → 20M1782-65#1919#1984
20M → 21M8243-235#1984#2219
21M → 35K1631-15#2219#2234
35K → 23M4550-546#2234#2780
23M → 24M2522-520#2780#3300
24M → 40K3403-400#3300#3700
40K → 25.2M1725-8#3700#3708
25.2M → Finish9921+78#3708#3630
TOTALS4382432-1994
📊

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