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BOSTON MARATHON 2023

Xudong Huang

Bib: 14807•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 45%
Division (M50-54)
#0 / 2052
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:11
Rank: #12187
Start → 5K
24:11 | 7:47/mi
10K· 6.21 mi
47:53
Rank: #11860 (+327)
5K → 10K
23:42 | 7:38/mi
15K· 9.32 mi
1:11:24
Rank: #11451 (+409)
10K → 15K
23:31 | 7:34/mi
20K· 12.43 mi
1:35:08
Rank: #11153 (+298)
15K → 20K
23:44 | 7:38/mi
Half· 13.11 mi
1:40:15
Rank: #11097 (+56)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:58:50
Rank: #10898 (+199)
Half → 25K
18:35 | 7:40/mi
30K· 18.64 mi
2:23:21
Rank: #10681 (+217)
25K → 30K
24:31 | 7:53/mi
20M
2:34:18
Rank: #10684 (-3)
30K → 20M
10:57 | 8:03/mi
21M
2:42:54
Rank: #10666 (+18)
20M → 21M
8:36 | 8:36/mi
35K· 21.75 mi
2:48:48
Rank: #10667 (-1)
21M → 35K
5:54 | 7:53/mi
23M
2:59:08
Rank: #10706 (-39)
35K → 23M
10:20 | 8:15/mi
24M
3:07:16
Rank: #10760 (-54)
23M → 24M
8:08 | 8:08/mi
40K· 24.85 mi
3:14:24
Rank: #10802 (-42)
24M → 40K
7:08 | 8:21/mi
25.2M
3:17:32
Rank: #10841 (-39)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:25:52
Rank: #10931 (-90)
25.2M → Finish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:15
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:45:37
Pace8:03 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0924:117:4724:11
7:47
-
10K
6.21 mi11:16:5147:537:4223:42
7:38
-0:09
15K
9.32 mi11:40:221:11:247:4023:31
7:34
-0:04
20K
12.43 mi12:04:061:35:087:3923:44
7:38
+0:04
Half
13.11 mi12:09:131:40:157:395:07
7:30
-0:08
25K
15.53 mi12:27:481:58:507:3918:35
7:40
+0:10
30K
18.64 mi12:52:192:23:217:4124:31
7:53
+0:13
20M
20.00 mi13:03:162:34:187:4310:57
8:03
+0:10
21M
21.00 mi13:11:522:42:547:458:36
8:36
+0:33
35K
21.75 mi13:17:462:48:487:465:54
7:53
-0:43
23M
23.00 mi13:28:062:59:087:4710:20
8:15
+0:22
24M
24.00 mi13:36:143:07:167:488:08
8:08
-0:07
40K
24.85 mi13:43:223:14:247:497:08
8:21
+0:13
25.2M
25.20 mi13:46:303:17:327:503:08
9:05
+0:44
Finish
26.22 mi13:54:503:25:527:518:20
8:11
-0:54

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

7:30 /mi

Average Pace

7:51 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:39

46% of race

Time at Steady Pace

1:05:33

32% of race

Time at Slower Pace

45:40

22% of race

Average Pace: 7:51 /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 mi10:53:0924:117:4724:11
7:47
#12187
10K
6.21 mi11:16:5147:537:4223:42
7:38
#11860
15K
9.32 mi11:40:221:11:247:4023:31
7:34
#11451
20K
12.43 mi12:04:061:35:087:3923:44
7:38
#11153
Half
13.11 mi12:09:131:40:157:395:07
7:30
#11097
25K
15.53 mi12:27:481:58:507:3918:35
7:40
#10898
30K
18.64 mi12:52:192:23:217:4124:31
7:53
#10681
20M
20.00 mi13:03:162:34:187:4310:57
8:03
#10684
21M
21.00 mi13:11:522:42:547:458:36
8:36
#10666
35K
21.75 mi13:17:462:48:487:465:54
7:53
#10667
23M
23.00 mi13:28:062:59:087:4710:20
8:15
#10706
24M
24.00 mi13:36:143:07:167:488:08
8:08
#10760
40K
24.85 mi13:43:223:14:247:497:08
8:21
#10802
25.2M
25.20 mi13:46:303:17:327:503:08
9:05
#10841
Finish
26.22 mi13:54:503:25:527:518:20
8:11
#10931
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi121879196919610747(Top 40%)8529(Top 56%)8529(Top 416%)
10K6.21 mi3.10 mi11860+3279045+1519045+15111570(Top 43%)8916(Top 59%)8916(Top 435%)
15K9.32 mi3.11 mi11451+4098860+1858860+18510747(Top 40%)8529(Top 56%)8529(Top 416%)
20K12.43 mi3.11 mi11153+2988729+1318729+13110401(Top 39%)8290(Top 55%)8290(Top 404%)
Half13.11 mi0.68 mi11097+568697+328697+3210218(Top 38%)8230(Top 54%)8230(Top 401%)
25K15.53 mi2.42 mi10898+1998582+1158582+11510027(Top 38%)8001(Top 53%)8001(Top 390%)
30K18.64 mi3.11 mi10681+2178421+1618421+16110064(Top 38%)7861(Top 52%)7861(Top 383%)
20M20.00 mi1.36 mi10684-38394+278394+2710682(Top 40%)8093(Top 53%)8093(Top 394%)
21M21.00 mi1.00 mi10666+188367+278367+2711043(Top 41%)8137(Top 54%)8137(Top 397%)
35K21.75 mi0.75 mi10667-18343+248343+2411257(Top 42%)8239(Top 54%)8239(Top 402%)
23M23.00 mi1.25 mi10706-398331+128331+1211533(Top 43%)8248(Top 54%)8248(Top 402%)
24M24.00 mi1.00 mi10760-548341-108341-1012121(Top 46%)8447(Top 56%)8447(Top 412%)
40K24.85 mi0.85 mi10802-428336+58336+512300(Top 46%)8456(Top 56%)8456(Top 412%)
25.2M25.20 mi0.35 mi10841-398336833612943(Top 49%)8723(Top 57%)8723(Top 425%)
Finish26.22 mi1.02 mi10931-908357-218357-2113248(Top 50%)8893(Top 59%)8893(Top 433%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10747

Males

8529

M50-54

8529

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11570

Males

8916

M50-54

8916

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10747

Males

8529

M50-54

8529

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10401

Males

8290

M50-54

8290

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10218

Males

8230

M50-54

8230

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10027

Males

8001

M50-54

8001

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10064

Males

7861

M50-54

7861

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10682

Males

8093

M50-54

8093

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

11043

Males

8137

M50-54

8137

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11257

Males

8239

M50-54

8239

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

11533

Males

8248

M50-54

8248

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12121

Males

8447

M50-54

8447

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12300

Males

8456

M50-54

8456

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12943

Males

8723

M50-54

8723

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13248

Males

8893

M50-54

8893

Passing Analysis

Category:
Athletes Passed
2324*
Passed By
1068
Net Change
+1256
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12187
5K → 10K505178+327#12187#11860
10K → 15K45546+409#11860#11451
15K → 20K33941+298#11451#11153
20K → Half593+56#11153#11097
Half → 25K23031+199#11097#10898
25K → 30K29679+217#10898#10681
30K → 20M77*80-3#10681#10684
20M → 21M7759+18#10684#10666
21M → 35K5556-1#10666#10667
35K → 23M70109-39#10667#10706
23M → 24M47101-54#10706#10760
24M → 40K5496-42#10760#10802
40K → 25.2M2160-39#10802#10841
25.2M → Finish39129-90#10841#10931
TOTALS2324*1068+1256

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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