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BOSTON MARATHON 2025

Chih-Jung Huang

Bib: 6973•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:27
Rank: #12649
Start → 5K
23:27 | 7:33/mi
10K· 6.21 mi
48:12
Rank: #14382 (-1733)
5K → 10K
24:45 | 7:58/mi
15K· 9.32 mi
1:12:46
Rank: #14671 (-289)
10K → 15K
24:34 | 7:54/mi
20K· 12.43 mi
1:38:08
Rank: #15065 (-394)
15K → 20K
25:22 | 8:10/mi
Half· 13.11 mi
1:43:39
Rank: #15148 (-83)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:03:07
Rank: #14950 (+198)
Half → 25K
19:28 | 8:02/mi
30K· 18.64 mi
2:30:15
Rank: #15218 (-268)
25K → 30K
27:08 | 8:44/mi
20M
2:43:27
Rank: #15645 (-427)
30K → 20M
13:12 | 9:43/mi
21M
2:54:36
Rank: #16173 (-528)
20M → 21M
11:09 | 11:09/mi
35K· 21.75 mi
3:01:25
Rank: #16244 (-71)
21M → 35K
6:49 | 9:07/mi
23M
3:13:16
Rank: #16355 (-111)
35K → 23M
11:51 | 9:28/mi
24M
3:22:37
Rank: #16499 (-144)
23M → 24M
9:21 | 9:21/mi
40K· 24.85 mi
3:30:25
Rank: #16509 (-10)
24M → 40K
7:48 | 9:07/mi
25.2M
3:33:57
Rank: #16552 (-43)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:42:51
Rank: #16583 (-31)
25.2M → Finish
8:54 | 8:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:39
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:59:12
Pace9:06 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:5923:277:3323:27
7:33
-
10K
6.21 mi10:54:4448:127:4524:45
7:58
+0:25
15K
9.32 mi11:19:181:12:467:4824:34
7:54
-0:04
20K
12.43 mi11:44:401:38:087:5425:22
8:10
+0:16
Half
13.11 mi11:50:111:43:397:545:31
8:05
-0:05
25K
15.53 mi12:09:392:03:077:5619:28
8:02
-0:03
30K
18.64 mi12:36:472:30:158:0427:08
8:44
+0:42
20M
20.00 mi12:49:592:43:278:1013:12
9:43
+0:59
21M
21.00 mi13:01:082:54:368:1911:09
11:09
+1:26
35K
21.75 mi13:07:573:01:258:216:49
9:07
-2:02
23M
23.00 mi13:19:483:13:168:2411:51
9:28
+0:21
24M
24.00 mi13:29:093:22:378:279:21
9:21
-0:07
40K
24.85 mi13:36:573:30:258:287:48
9:07
-0:14
25.2M
25.20 mi13:40:293:33:578:293:32
10:15
+1:08
Finish
26.22 mi13:49:233:42:518:308:54
8:44
-1:31

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

7:33 /mi

Average Pace

8:30 /mi

Slowest Pace

11:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:07

55% of race

Time at Steady Pace

50:39

23% of race

Time at Slower Pace

49:05

22% of race

Average Pace: 8:30 /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 mi10:29:5923:277:3323:27
7:33
#12649
10K
6.21 mi10:54:4448:127:4524:45
7:58
#14382
15K
9.32 mi11:19:181:12:467:4824:34
7:54
#14671
20K
12.43 mi11:44:401:38:087:5425:22
8:10
#15065
Half
13.11 mi11:50:111:43:397:545:31
8:05
#15148
25K
15.53 mi12:09:392:03:077:5619:28
8:02
#14950
30K
18.64 mi12:36:472:30:158:0427:08
8:44
#15218
20M
20.00 mi12:49:592:43:278:1013:12
9:43
#15645
21M
21.00 mi13:01:082:54:368:1911:09
11:09
#16173
35K
21.75 mi13:07:573:01:258:216:49
9:07
#16244
23M
23.00 mi13:19:483:13:168:2411:51
9:28
#16355
24M
24.00 mi13:29:093:22:378:279:21
9:21
#16499
40K
24.85 mi13:36:573:30:258:287:48
9:07
#16509
25.2M
25.20 mi13:40:293:33:578:293:32
10:15
#16552
Finish
26.22 mi13:49:233:42:518:308:54
8:44
#16583
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi126499483948315286(Top 54%)10500(Top 65%)10500(Top 467%)
10K6.21 mi3.10 mi14382-173310179-69610179-69616188(Top 57%)10907(Top 68%)10907(Top 485%)
15K9.32 mi3.11 mi14671-28910273-9410273-9415286(Top 54%)10500(Top 65%)10500(Top 467%)
20K12.43 mi3.11 mi15065-39410400-12710400-12716079(Top 57%)10770(Top 67%)10770(Top 479%)
Half13.11 mi0.68 mi15148-8310436-3610436-3616500(Top 58%)10979(Top 68%)10979(Top 489%)
25K15.53 mi2.42 mi14950+19810318+11810318+11814119(Top 50%)9824(Top 61%)9824(Top 437%)
30K18.64 mi3.11 mi15218-26810389-7110389-7116177(Top 57%)10564(Top 66%)10564(Top 470%)
20M20.00 mi1.36 mi15645-42710538-14910538-14919973(Top 70%)12142(Top 75%)12142(Top 540%)
21M21.00 mi1.00 mi16173-52810735-19710735-19721755(Top 77%)12861(Top 80%)12861(Top 572%)
35K21.75 mi0.75 mi16244-7110737-210737-218736(Top 66%)11362(Top 71%)11362(Top 506%)
23M23.00 mi1.25 mi16355-11110765-2810765-2818515(Top 65%)11221(Top 70%)11221(Top 499%)
24M24.00 mi1.00 mi16499-14410796-3110796-3119007(Top 67%)11409(Top 71%)11409(Top 508%)
40K24.85 mi0.85 mi16509-1010771+2510771+2516947(Top 60%)10354(Top 64%)10354(Top 461%)
25.2M25.20 mi0.35 mi16552-4310780-910780-918020(Top 63%)10820(Top 67%)10820(Top 482%)
Finish26.22 mi1.02 mi16583-3110763+1710763+1717654(Top 62%)10707(Top 66%)10707(Top 477%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15286

Males

10500

M40-44

10500

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16188

Males

10907

M40-44

10907

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15286

Males

10500

M40-44

10500

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

16079

Males

10770

M40-44

10770

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16500

Males

10979

M40-44

10979

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14119

Males

9824

M40-44

9824

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16177

Males

10564

M40-44

10564

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19973

Males

12142

M40-44

12142

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21755

Males

12861

M40-44

12861

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18736

Males

11362

M40-44

11362

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18515

Males

11221

M40-44

11221

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

19007

Males

11409

M40-44

11409

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16947

Males

10354

M40-44

10354

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

18020

Males

10820

M40-44

10820

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17654

Males

10707

M40-44

10707

Passing Analysis

Category:
Athletes Passed
1118
Passed By
5052
Net Change
-3934
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12649
5K → 10K171750-1733#12649#14382
10K → 15K113402-289#14382#14671
15K → 20K128522-394#14671#15065
20K → Half17100-83#15065#15148
Half → 25K27375+198#15148#14950
25K → 30K172440-268#14950#15218
30K → 20M45472-427#15218#15645
20M → 21M20548-528#15645#16173
21M → 35K45116-71#16173#16244
35K → 23M82193-111#16244#16355
23M → 24M43187-144#16355#16499
24M → 40K7080-10#16499#16509
40K → 25.2M2164-43#16509#16552
25.2M → Finish72103-31#16552#16583
TOTALS11185052-3934
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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