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BOSTON MARATHON 2023

Mingliang Guo

Bib: 1442•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M45-49)
#0 / 2252
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:54
Rank: #1835
Start → 5K
6:24/mi
19:54 split
10K· 6.21 mi
39:06
Rank: #1539 (+296)
5K → 10K
6:11/mi
19:12 split
15K· 9.32 mi
58:23
Rank: #1435 (+104)
10K → 15K
6:12/mi
19:17 split
20K· 12.43 mi
1:18:10
Rank: #1473 (-38)
15K → 20K
6:22/mi
19:47 split
Half· 13.11 mi
1:22:26
Rank: #1472 (+1)
20K → Half
6:15/mi
4:16 split
25K· 15.53 mi
1:38:03
Rank: #1546 (-74)
Half → 25K
6:26/mi
15:37 split
30K· 18.64 mi
1:58:41
Rank: #1617 (-71)
25K → 30K
6:38/mi
20:38 split
20M
2:08:00
Rank: #1673 (-56)
30K → 20M
6:51/mi
9:19 split
21M
2:15:23
Rank: #1754 (-81)
20M → 21M
7:23/mi
7:23 split
35K· 21.75 mi
2:20:27
Rank: #1813 (-59)
21M → 35K
6:46/mi
5:04 split
23M
2:29:15
Rank: #1888 (-75)
35K → 23M
7:02/mi
8:48 split
24M
2:36:09
Rank: #1956 (-68)
23M → 24M
6:54/mi
6:54 split
40K· 24.85 mi
2:42:15
Rank: #2020 (-64)
24M → 40K
7:08/mi
6:06 split
25.2M
2:45:01
Rank: #2066 (-46)
40K → 25.2M
8:01/mi
2:46 split
Finish· 26.22 mi
2:52:24
Rank: #2178 (-112)
25.2M → Finish
7:15/mi
7:23 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:26
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:29:58
Pace6:52 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4419:546:2419:54
6:24
-
10K
6.21 mi10:39:5639:066:1819:12
6:11
-0:13
15K
9.32 mi10:59:1358:236:1619:17
6:12
+0:01
20K
12.43 mi11:19:001:18:106:1719:47
6:22
+0:10
Half
13.11 mi11:23:161:22:266:174:16
6:15
-0:07
25K
15.53 mi11:38:531:38:036:1915:37
6:26
+0:11
30K
18.64 mi11:59:311:58:416:2220:38
6:38
+0:12
20M
20.00 mi12:08:502:08:006:249:19
6:51
+0:13
21M
21.00 mi12:16:132:15:236:277:23
7:23
+0:32
35K
21.75 mi12:21:172:20:276:275:04
6:46
-0:37
23M
23.00 mi12:30:052:29:156:298:48
7:02
+0:16
24M
24.00 mi12:36:592:36:096:306:54
6:54
-0:08
40K
24.85 mi12:43:052:42:156:326:06
7:08
+0:14
25.2M
25.20 mi12:45:512:45:016:332:46
8:01
+0:53
Finish
26.22 mi12:53:142:52:246:357:23
7:15
-0:46

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

6:11 /mi

Average Pace

6:35 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:03

57% of race

Time at Steady Pace

41:55

24% of race

Time at Slower Pace

32:26

19% of race

Average Pace: 6:35 /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 mi10:20:4419:546:2419:54
6:24
#1835
10K
6.21 mi10:39:5639:066:1819:12
6:11
#1539
15K
9.32 mi10:59:1358:236:1619:17
6:12
#1435
20K
12.43 mi11:19:001:18:106:1719:47
6:22
#1473
Half
13.11 mi11:23:161:22:266:174:16
6:15
#1472
25K
15.53 mi11:38:531:38:036:1915:37
6:26
#1546
30K
18.64 mi11:59:311:58:416:2220:38
6:38
#1617
20M
20.00 mi12:08:502:08:006:249:19
6:51
#1673
21M
21.00 mi12:16:132:15:236:277:23
7:23
#1754
35K
21.75 mi12:21:172:20:276:275:04
6:46
#1813
23M
23.00 mi12:30:052:29:156:298:48
7:02
#1888
24M
24.00 mi12:36:592:36:096:306:54
6:54
#1956
40K
24.85 mi12:43:052:42:156:326:06
7:08
#2020
25.2M
25.20 mi12:45:512:45:016:332:46
8:01
#2066
Finish
26.22 mi12:53:142:52:246:357:23
7:15
#2178
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1835175017501269(Top 5%)1209(Top 8%)1209(Top 54%)
10K6.21 mi3.10 mi1539+2961469+2811469+2811271(Top 5%)1208(Top 8%)1208(Top 54%)
15K9.32 mi3.11 mi1435+1041370+991370+991269(Top 5%)1209(Top 8%)1209(Top 54%)
20K12.43 mi3.11 mi1473-381406-361406-361672(Top 6%)1601(Top 11%)1601(Top 71%)
Half13.11 mi0.68 mi1472+11405+11405+11625(Top 6%)1560(Top 10%)1560(Top 69%)
25K15.53 mi2.42 mi1546-741478-731478-731917(Top 7%)1837(Top 12%)1837(Top 82%)
30K18.64 mi3.11 mi1617-711548-701548-702144(Top 8%)2047(Top 13%)2047(Top 91%)
20M20.00 mi1.36 mi1673-561600-521600-523120(Top 12%)2926(Top 19%)2926(Top 130%)
21M21.00 mi1.00 mi1754-811679-791679-794022(Top 15%)3700(Top 24%)3700(Top 164%)
35K21.75 mi0.75 mi1813-591734-551734-553951(Top 15%)3626(Top 24%)3626(Top 161%)
23M23.00 mi1.25 mi1888-751808-741808-743899(Top 15%)3588(Top 24%)3588(Top 159%)
24M24.00 mi1.00 mi1956-681873-651873-654130(Top 16%)3756(Top 25%)3756(Top 167%)
40K24.85 mi0.85 mi2020-641936-631936-634501(Top 17%)3983(Top 26%)3983(Top 177%)
25.2M25.20 mi0.35 mi2066-461982-461982-466502(Top 24%)5228(Top 34%)5228(Top 232%)
Finish26.22 mi1.02 mi2178-1122088-1062088-1066674(Top 25%)5347(Top 35%)5347(Top 237%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1269

Males

1209

M45-49

1209

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1271

Males

1208

M45-49

1208

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1269

Males

1209

M45-49

1209

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1672

Males

1601

M45-49

1601

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1625

Males

1560

M45-49

1560

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1917

Males

1837

M45-49

1837

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2144

Males

2047

M45-49

2047

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3120

Males

2926

M45-49

2926

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4022

Males

3700

M45-49

3700

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

3951

Males

3626

M45-49

3626

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3899

Males

3588

M45-49

3588

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4130

Males

3756

M45-49

3756

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4501

Males

3983

M45-49

3983

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6502

Males

5228

M45-49

5228

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6674

Males

5347

M45-49

5347

Passing Analysis

Category:
Athletes Passed
581
Passed By
924
Net Change
-343
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1835
5K → 10K3048+296#1835#1539
10K → 15K11713+104#1539#1435
15K → 20K3371-38#1435#1473
20K → Half98+1#1473#1472
Half → 25K1892-74#1472#1546
25K → 30K33104-71#1546#1617
30K → 20M965-56#1617#1673
20M → 21M687-81#1673#1754
21M → 35K766-59#1754#1813
35K → 23M1590-75#1813#1888
23M → 24M1179-68#1888#1956
24M → 40K1175-64#1956#2020
40K → 25.2M147-46#2020#2066
25.2M → Finish7119-112#2066#2178
TOTALS581924-343
📊

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