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BOSTON MARATHON 2025

Chen Huang

Bib: 565•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 17%
Division (M18-39)
#0 / 5642
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
17:34
Rank: #374
Start → 5K
17:34 | 5:39/mi
10K· 6.21 mi
35:51
Rank: #554 (-180)
5K → 10K
18:17 | 5:53/mi
15K· 9.32 mi
54:53
Rank: #763 (-209)
10K → 15K
19:02 | 6:08/mi
20K· 12.43 mi
1:14:16
Rank: #931 (-168)
15K → 20K
19:23 | 6:14/mi
Half· 13.11 mi
1:18:32
Rank: #980 (-49)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:34:13
Rank: #1148 (-168)
Half → 25K
15:41 | 6:28/mi
30K· 18.64 mi
1:56:16
Rank: #1648 (-500)
25K → 30K
22:03 | 7:06/mi
20M
2:06:23
Rank: #1929 (-281)
30K → 20M
10:07 | 7:27/mi
21M
2:14:13
Rank: #2114 (-185)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:19:53
Rank: #2284 (-170)
21M → 35K
5:40 | 7:34/mi
23M
2:29:30
Rank: #2515 (-231)
35K → 23M
9:37 | 7:41/mi
24M
2:37:20
Rank: #2756 (-241)
23M → 24M
7:50 | 7:50/mi
40K· 24.85 mi
2:44:06
Rank: #2917 (-161)
24M → 40K
6:46 | 7:55/mi
25.2M
2:46:56
Rank: #2953 (-36)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
2:53:53
Rank: #2979 (-26)
25.2M → Finish
6:57 | 6:49/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:32
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:35:21
Pace7:16 /mi
📊Positive Split: 21.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5017:345:3917:34
5:39
-
10K
6.21 mi10:36:0735:515:4618:17
5:53
+0:14
15K
9.32 mi10:55:0954:535:5319:02
6:08
+0:15
20K
12.43 mi11:14:321:14:165:5919:23
6:14
+0:06
Half
13.11 mi11:18:481:18:325:594:16
6:15
+0:01
25K
15.53 mi11:34:291:34:136:0415:41
6:28
+0:13
30K
18.64 mi11:56:321:56:166:1422:03
7:06
+0:38
20M
20.00 mi12:06:392:06:236:1910:07
7:27
+0:21
21M
21.00 mi12:14:292:14:136:237:50
7:50
+0:23
35K
21.75 mi12:20:092:19:536:265:40
7:34
-0:16
23M
23.00 mi12:29:462:29:306:309:37
7:41
+0:07
24M
24.00 mi12:37:362:37:206:337:50
7:50
+0:09
40K
24.85 mi12:44:222:44:066:366:46
7:55
+0:05
25.2M
25.20 mi12:47:122:46:566:372:50
8:13
+0:18
Finish
26.22 mi12:54:092:53:536:386:57
6:49
-1:24

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

5:39 /mi

Average Pace

6:38 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:34:13

54% of race

Time at Steady Pace

39:07

22% of race

Time at Slower Pace

40:33

23% of race

Average Pace: 6:38 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:17:5017:345:3917:34
5:39
#374
10K
6.21 mi10:36:0735:515:4618:17
5:53
#554
15K
9.32 mi10:55:0954:535:5319:02
6:08
#763
20K
12.43 mi11:14:321:14:165:5919:23
6:14
#931
Half
13.11 mi11:18:481:18:325:594:16
6:15
#980
25K
15.53 mi11:34:291:34:136:0415:41
6:28
#1148
30K
18.64 mi11:56:321:56:166:1422:03
7:06
#1648
20M
20.00 mi12:06:392:06:236:1910:07
7:27
#1929
21M
21.00 mi12:14:292:14:136:237:50
7:50
#2114
35K
21.75 mi12:20:092:19:536:265:40
7:34
#2284
23M
23.00 mi12:29:462:29:306:309:37
7:41
#2515
24M
24.00 mi12:37:362:37:206:337:50
7:50
#2756
40K
24.85 mi12:44:222:44:066:366:46
7:55
#2917
25.2M
25.20 mi12:47:122:46:566:372:50
8:13
#2953
Finish
26.22 mi12:54:092:53:536:386:57
6:49
#2979
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3743413411504(Top 5%)1431(Top 9%)1431(Top 25%)
10K6.21 mi3.10 mi554-180516-175516-175790(Top 3%)740(Top 5%)740(Top 13%)
15K9.32 mi3.11 mi763-209713-197713-1971504(Top 5%)1431(Top 9%)1431(Top 25%)
20K12.43 mi3.11 mi931-168876-163876-1631745(Top 6%)1659(Top 10%)1659(Top 29%)
Half13.11 mi0.68 mi980-49923-47923-472247(Top 8%)2148(Top 13%)2148(Top 38%)
25K15.53 mi2.42 mi1148-1681085-1621085-1622712(Top 10%)2580(Top 16%)2580(Top 46%)
30K18.64 mi3.11 mi1648-5001564-4791564-4795282(Top 19%)4762(Top 30%)4762(Top 84%)
20M20.00 mi1.36 mi1929-2811836-2721836-2726617(Top 23%)5577(Top 35%)5577(Top 99%)
21M21.00 mi1.00 mi2114-1852013-1772013-1776333(Top 22%)5269(Top 33%)5269(Top 93%)
35K21.75 mi0.75 mi2284-1702176-1632176-1639095(Top 32%)6885(Top 43%)6885(Top 122%)
23M23.00 mi1.25 mi2515-2312393-2172393-2177746(Top 27%)6005(Top 37%)6005(Top 106%)
24M24.00 mi1.00 mi2756-2412613-2202613-2209997(Top 35%)7146(Top 44%)7146(Top 127%)
40K24.85 mi0.85 mi2917-1612758-1452758-1459503(Top 33%)6777(Top 42%)6777(Top 120%)
25.2M25.20 mi0.35 mi2953-362789-312789-317026(Top 25%)5316(Top 33%)5316(Top 94%)
Finish26.22 mi1.02 mi2979-262809-202809-204592(Top 16%)3842(Top 24%)3842(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1504

Males

1431

M18-39

1431

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

790

Males

740

M18-39

740

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1504

Males

1431

M18-39

1431

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1745

Males

1659

M18-39

1659

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2247

Males

2148

M18-39

2148

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2712

Males

2580

M18-39

2580

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5282

Males

4762

M18-39

4762

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6617

Males

5577

M18-39

5577

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6333

Males

5269

M18-39

5269

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

9095

Males

6885

M18-39

6885

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7746

Males

6005

M18-39

6005

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9997

Males

7146

M18-39

7146

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9503

Males

6777

M18-39

6777

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7026

Males

5316

M18-39

5316

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4592

Males

3842

M18-39

3842

Passing Analysis

Category:
Athletes Passed
104
Passed By
2709
Net Change
-2605
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#374
5K → 10K0180-180#374#554
10K → 15K0209-209#554#763
15K → 20K7175-168#763#931
20K → Half049-49#931#980
Half → 25K7175-168#980#1148
25K → 30K1501-500#1148#1648
30K → 20M6287-281#1648#1929
20M → 21M8193-185#1929#2114
21M → 35K7177-170#2114#2284
35K → 23M10241-231#2284#2515
23M → 24M11252-241#2515#2756
24M → 40K11172-161#2756#2917
40K → 25.2M541-36#2917#2953
25.2M → Finish3157-26#2953#2979
TOTALS1042709-2605
📊

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