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BOSTON MARATHON 2023

Xueliang Zhu

Bib: 8631•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 42%
Division (M50-54)
#0 / 2052
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:31
Rank: #7785
Start → 5K
22:31 | 7:15/mi
10K· 6.21 mi
45:29
Rank: #8580 (-795)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:08:28
Rank: #8806 (-226)
10K → 15K
22:59 | 7:24/mi
20K· 12.43 mi
1:31:20
Rank: #8627 (+179)
15K → 20K
22:52 | 7:22/mi
Half· 13.11 mi
1:36:13
Rank: #8569 (+58)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:54:04
Rank: #8393 (+176)
Half → 25K
17:51 | 7:22/mi
30K· 18.64 mi
2:19:18
Rank: #8951 (-558)
25K → 30K
25:14 | 8:07/mi
20M
2:30:30
Rank: #9145 (-194)
30K → 20M
11:12 | 8:15/mi
21M
2:39:29
Rank: #9381 (-236)
20M → 21M
8:59 | 8:59/mi
35K· 21.75 mi
2:45:39
Rank: #9536 (-155)
21M → 35K
6:10 | 8:15/mi
23M
2:56:13
Rank: #9700 (-164)
35K → 23M
10:34 | 8:26/mi
24M
3:04:30
Rank: #9834 (-134)
23M → 24M
8:17 | 8:17/mi
40K· 24.85 mi
3:11:42
Rank: #9938 (-104)
24M → 40K
7:12 | 8:25/mi
25.2M
3:14:48
Rank: #9963 (-25)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:23:12
Rank: #10104 (-141)
25.2M → Finish
8:24 | 8:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:13
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:46:59
Pace8:10 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3622:317:1522:31
7:15
-
10K
6.21 mi11:10:3445:297:1922:58
7:24
+0:09
15K
9.32 mi11:33:331:08:287:2122:59
7:24
0:00
20K
12.43 mi11:56:251:31:207:2122:52
7:22
-0:02
Half
13.11 mi12:01:181:36:137:204:53
7:09
-0:13
25K
15.53 mi12:19:091:54:047:2117:51
7:22
+0:13
30K
18.64 mi12:44:232:19:187:2825:14
8:07
+0:45
20M
20.00 mi12:55:352:30:307:3111:12
8:15
+0:08
21M
21.00 mi13:04:342:39:297:368:59
8:59
+0:44
35K
21.75 mi13:10:442:45:397:376:10
8:15
-0:44
23M
23.00 mi13:21:182:56:137:4010:34
8:26
+0:11
24M
24.00 mi13:29:353:04:307:418:17
8:17
-0:09
40K
24.85 mi13:36:473:11:427:437:12
8:25
+0:08
25.2M
25.20 mi13:39:533:14:487:443:06
8:59
+0:34
Finish
26.22 mi13:48:173:23:127:458:24
8:15
-0:44

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

7:09 /mi

Average Pace

7:45 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:04

56% of race

Time at Steady Pace

1:17:03

38% of race

Time at Slower Pace

12:05

6% of race

Average Pace: 7:45 /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 mi10:47:3622:317:1522:31
7:15
#7785
10K
6.21 mi11:10:3445:297:1922:58
7:24
#8580
15K
9.32 mi11:33:331:08:287:2122:59
7:24
#8806
20K
12.43 mi11:56:251:31:207:2122:52
7:22
#8627
Half
13.11 mi12:01:181:36:137:204:53
7:09
#8569
25K
15.53 mi12:19:091:54:047:2117:51
7:22
#8393
30K
18.64 mi12:44:232:19:187:2825:14
8:07
#8951
20M
20.00 mi12:55:352:30:307:3111:12
8:15
#9145
21M
21.00 mi13:04:342:39:297:368:59
8:59
#9381
35K
21.75 mi13:10:442:45:397:376:10
8:15
#9536
23M
23.00 mi13:21:182:56:137:4010:34
8:26
#9700
24M
24.00 mi13:29:353:04:307:418:17
8:17
#9834
40K
24.85 mi13:36:473:11:427:437:12
8:25
#9938
25.2M
25.20 mi13:39:533:14:487:443:06
8:59
#9963
Finish
26.22 mi13:48:173:23:127:458:24
8:15
#10104
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7785683568359307(Top 35%)7743(Top 51%)7743(Top 377%)
10K6.21 mi3.10 mi8580-7957319-4847319-4849545(Top 36%)7895(Top 52%)7895(Top 385%)
15K9.32 mi3.11 mi8806-2267443-1247443-1249307(Top 35%)7743(Top 51%)7743(Top 377%)
20K12.43 mi3.11 mi8627+1797330+1137330+1138216(Top 31%)7029(Top 46%)7029(Top 343%)
Half13.11 mi0.68 mi8569+587295+357295+357585(Top 28%)6644(Top 44%)6644(Top 324%)
25K15.53 mi2.42 mi8393+1767163+1327163+1327711(Top 29%)6622(Top 44%)6622(Top 323%)
30K18.64 mi3.11 mi8951-5587475-3127475-31211779(Top 44%)8707(Top 57%)8707(Top 424%)
20M20.00 mi1.36 mi9145-1947567-927567-9211930(Top 45%)8670(Top 57%)8670(Top 423%)
21M21.00 mi1.00 mi9381-2367685-1187685-11813275(Top 50%)9156(Top 60%)9156(Top 446%)
35K21.75 mi0.75 mi9536-1557765-807765-8013685(Top 51%)9258(Top 61%)9258(Top 451%)
23M23.00 mi1.25 mi9700-1647828-637828-6312819(Top 48%)8825(Top 58%)8825(Top 430%)
24M24.00 mi1.00 mi9834-1347871-437871-4313131(Top 49%)8907(Top 59%)8907(Top 434%)
40K24.85 mi0.85 mi9938-1047892-217892-2112797(Top 48%)8672(Top 57%)8672(Top 423%)
25.2M25.20 mi0.35 mi9963-257889+37889+312364(Top 46%)8427(Top 56%)8427(Top 411%)
Finish26.22 mi1.02 mi10104-1417941-527941-5213688(Top 51%)9093(Top 60%)9093(Top 443%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9307

Males

7743

M50-54

7743

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9545

Males

7895

M50-54

7895

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9307

Males

7743

M50-54

7743

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8216

Males

7029

M50-54

7029

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7585

Males

6644

M50-54

6644

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

7711

Males

6622

M50-54

6622

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11779

Males

8707

M50-54

8707

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11930

Males

8670

M50-54

8670

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13275

Males

9156

M50-54

9156

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13685

Males

9258

M50-54

9258

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12819

Males

8825

M50-54

8825

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13131

Males

8907

M50-54

8907

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12797

Males

8672

M50-54

8672

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12364

Males

8427

M50-54

8427

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13688

Males

9093

M50-54

9093

Passing Analysis

Category:
Athletes Passed
894
Passed By
3212
Net Change
-2319
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7785
5K → 10K29824-795#7785#8580
10K → 15K67293-226#8580#8806
15K → 20K23051+179#8806#8627
20K → Half624+58#8627#8569
Half → 25K19519+176#8569#8393
25K → 30K54612-558#8393#8951
30K → 20M37231-194#8951#9145
20M → 21M28264-236#9145#9381
21M → 35K17172-155#9381#9536
35K → 23M48212-164#9536#9700
23M → 24M27161-134#9700#9834
24M → 40K45149-104#9834#9938
40K → 25.2M2247-25#9938#9963
25.2M → Finish33173-141#9963#10104
TOTALS8943212-2319
📊

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