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BOSTON MARATHON 2023

Duo Xu

Bib: 6362•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:35
Rank: #5903
Start → 5K
21:35 | 6:57/mi
10K· 6.21 mi
42:34
Rank: #5419 (+484)
5K → 10K
20:59 | 6:45/mi
15K· 9.32 mi
1:03:36
Rank: #5200 (+219)
10K → 15K
21:02 | 6:46/mi
20K· 12.43 mi
1:24:42
Rank: #4976 (+224)
15K → 20K
21:06 | 6:47/mi
Half· 13.11 mi
1:29:17
Rank: #4954 (+22)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:46
Rank: #4777 (+177)
Half → 25K
16:29 | 6:48/mi
30K· 18.64 mi
2:07:16
Rank: #4541 (+236)
25K → 30K
21:30 | 6:55/mi
20M
2:16:41
Rank: #4460 (+81)
30K → 20M
9:25 | 6:56/mi
21M
2:23:50
Rank: #4299 (+161)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:28:47
Rank: #4225 (+74)
21M → 35K
4:57 | 6:37/mi
23M
2:37:24
Rank: #4143 (+82)
35K → 23M
8:37 | 6:53/mi
24M
2:44:05
Rank: #4060 (+83)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:49:56
Rank: #4000 (+60)
24M → 40K
5:51 | 6:51/mi
25.2M
2:52:28
Rank: #3978 (+22)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:59:15
Rank: #3945 (+33)
25.2M → Finish
6:47 | 6:39/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:17
Pace6:49 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:58
Pace6:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1221:356:5721:35
6:57
-
10K
6.21 mi10:46:1142:346:5120:59
6:45
-0:12
15K
9.32 mi11:07:131:03:366:4921:02
6:46
+0:01
20K
12.43 mi11:28:191:24:426:4921:06
6:47
+0:01
Half
13.11 mi11:32:541:29:176:494:35
6:43
-0:04
25K
15.53 mi11:49:231:45:466:4916:29
6:48
+0:05
30K
18.64 mi12:10:532:07:166:5021:30
6:55
+0:07
20M
20.00 mi12:20:182:16:416:509:25
6:56
+0:01
21M
21.00 mi12:27:272:23:506:517:09
7:09
+0:13
35K
21.75 mi12:32:242:28:476:504:57
6:37
-0:32
23M
23.00 mi12:41:012:37:246:518:37
6:53
+0:16
24M
24.00 mi12:47:422:44:056:506:41
6:41
-0:12
40K
24.85 mi12:53:332:49:566:505:51
6:51
+0:10
25.2M
25.20 mi12:56:052:52:286:512:32
7:21
+0:30
Finish
26.22 mi13:02:522:59:156:506:47
6:39
-0:42

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

6:37 /mi

Average Pace

6:50 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:43

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:25:1221:356:5721:35
6:57
#5903
10K
6.21 mi10:46:1142:346:5120:59
6:45
#5419
15K
9.32 mi11:07:131:03:366:4921:02
6:46
#5200
20K
12.43 mi11:28:191:24:426:4921:06
6:47
#4976
Half
13.11 mi11:32:541:29:176:494:35
6:43
#4954
25K
15.53 mi11:49:231:45:466:4916:29
6:48
#4777
30K
18.64 mi12:10:532:07:166:5021:30
6:55
#4541
20M
20.00 mi12:20:182:16:416:509:25
6:56
#4460
21M
21.00 mi12:27:272:23:506:517:09
7:09
#4299
35K
21.75 mi12:32:242:28:476:504:57
6:37
#4225
23M
23.00 mi12:41:012:37:246:518:37
6:53
#4143
24M
24.00 mi12:47:422:44:056:506:41
6:41
#4060
40K
24.85 mi12:53:332:49:566:505:51
6:51
#4000
25.2M
25.20 mi12:56:052:52:286:512:32
7:21
#3978
Finish
26.22 mi13:02:522:59:156:506:47
6:39
#3945
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5903540854084803(Top 18%)4474(Top 29%)4474(Top 85%)
10K6.21 mi3.10 mi5419+4845004+4045004+4044839(Top 18%)4491(Top 30%)4491(Top 85%)
15K9.32 mi3.11 mi5200+2194818+1864818+1864803(Top 18%)4474(Top 29%)4474(Top 85%)
20K12.43 mi3.11 mi4976+2244628+1904628+1904359(Top 16%)4069(Top 27%)4069(Top 77%)
Half13.11 mi0.68 mi4954+224609+194609+194476(Top 17%)4168(Top 27%)4168(Top 79%)
25K15.53 mi2.42 mi4777+1774448+1614448+1614125(Top 15%)3865(Top 25%)3865(Top 73%)
30K18.64 mi3.11 mi4541+2364239+2094239+2093785(Top 14%)3549(Top 23%)3549(Top 67%)
20M20.00 mi1.36 mi4460+814163+764163+763607(Top 14%)3366(Top 22%)3366(Top 64%)
21M21.00 mi1.00 mi4299+1614019+1444019+1442860(Top 11%)2685(Top 18%)2685(Top 51%)
35K21.75 mi0.75 mi4225+743953+663953+663116(Top 12%)2918(Top 19%)2918(Top 55%)
23M23.00 mi1.25 mi4143+823880+733880+733129(Top 12%)2915(Top 19%)2915(Top 55%)
24M24.00 mi1.00 mi4060+833801+793801+793032(Top 11%)2816(Top 19%)2816(Top 53%)
40K24.85 mi0.85 mi4000+603745+563745+563039(Top 11%)2797(Top 18%)2797(Top 53%)
25.2M25.20 mi0.35 mi3978+223724+213724+213170(Top 12%)2893(Top 19%)2893(Top 55%)
Finish26.22 mi1.02 mi3945+333693+313693+313276(Top 12%)2948(Top 19%)2948(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4803

Males

4474

M18-39

4474

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4839

Males

4491

M18-39

4491

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4803

Males

4474

M18-39

4474

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4359

Males

4069

M18-39

4069

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4476

Males

4168

M18-39

4168

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4125

Males

3865

M18-39

3865

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3785

Males

3549

M18-39

3549

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3607

Males

3366

M18-39

3366

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2860

Males

2685

M18-39

2685

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3116

Males

2918

M18-39

2918

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3129

Males

2915

M18-39

2915

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3032

Males

2816

M18-39

2816

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3039

Males

2797

M18-39

2797

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3170

Males

2893

M18-39

2893

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3276

Males

2948

M18-39

2948

Passing Analysis

Category:
Athletes Passed
2268
Passed By
310
Net Change
+1958
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5903
5K → 10K53450+484#5903#5419
10K → 15K26243+219#5419#5200
15K → 20K24218+224#5200#4976
20K → Half319+22#4976#4954
Half → 25K19821+177#4954#4777
25K → 30K27438+236#4777#4541
30K → 20M10120+81#4541#4460
20M → 21M1665+161#4460#4299
21M → 35K806+74#4299#4225
35K → 23M10422+82#4225#4143
23M → 24M9916+83#4143#4060
24M → 40K7919+60#4060#4000
40K → 25.2M3412+22#4000#3978
25.2M → Finish6431+33#3978#3945
TOTALS2268310+1958
📊

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