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BOSTON MARATHON 2023

Mengtao Yuan

Bib: 13445•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 47%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:15
Rank: #12377
Start → 5K
24:15 | 7:48/mi
10K· 6.21 mi
48:20
Rank: #12512 (-135)
5K → 10K
24:05 | 7:45/mi
15K· 9.32 mi
1:12:21
Rank: #12327 (+185)
10K → 15K
24:01 | 7:44/mi
20K· 12.43 mi
1:37:14
Rank: #12613 (-286)
15K → 20K
24:53 | 8:01/mi
Half· 13.11 mi
1:42:47
Rank: #12777 (-164)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:02:40
Rank: #13005 (-228)
Half → 25K
19:53 | 8:12/mi
30K· 18.64 mi
2:28:23
Rank: #12984 (+21)
25K → 30K
25:43 | 8:17/mi
20M
2:39:38
Rank: #12890 (+94)
30K → 20M
11:15 | 8:17/mi
21M
2:48:16
Rank: #12746 (+144)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:54:23
Rank: #12771 (-25)
21M → 35K
6:07 | 8:11/mi
23M
3:04:53
Rank: #12734 (+37)
35K → 23M
10:30 | 8:23/mi
24M
3:13:06
Rank: #12728 (+6)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:20:09
Rank: #12685 (+43)
24M → 40K
7:03 | 8:15/mi
25.2M
3:23:11
Rank: #12664 (+21)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:31:02
Rank: #12545 (+119)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:47
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:48:15
Pace8:15 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5524:157:4824:15
7:48
-
10K
6.21 mi11:17:0048:207:4724:05
7:45
-0:03
15K
9.32 mi11:41:011:12:217:4624:01
7:44
-0:01
20K
12.43 mi12:05:541:37:147:4924:53
8:01
+0:17
Half
13.11 mi12:11:271:42:477:505:33
8:08
+0:07
25K
15.53 mi12:31:202:02:407:5419:53
8:12
+0:04
30K
18.64 mi12:57:032:28:237:5825:43
8:17
+0:05
20M
20.00 mi13:08:182:39:387:5911:15
8:17
0:00
21M
21.00 mi13:16:562:48:168:018:38
8:38
+0:21
35K
21.75 mi13:23:032:54:238:016:07
8:11
-0:27
23M
23.00 mi13:33:333:04:538:0210:30
8:23
+0:12
24M
24.00 mi13:41:463:13:068:038:13
8:13
-0:10
40K
24.85 mi13:48:493:20:098:037:03
8:15
+0:02
25.2M
25.20 mi13:51:513:23:118:043:02
8:48
+0:33
Finish
26.22 mi13:59:423:31:028:037:51
7:42
-1:06

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

7:42 /mi

Average Pace

8:03 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:22

94% of race

Time at Steady Pace

11:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /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 mi10:52:5524:157:4824:15
7:48
#12377
10K
6.21 mi11:17:0048:207:4724:05
7:45
#12512
15K
9.32 mi11:41:011:12:217:4624:01
7:44
#12327
20K
12.43 mi12:05:541:37:147:4924:53
8:01
#12613
Half
13.11 mi12:11:271:42:477:505:33
8:08
#12777
25K
15.53 mi12:31:202:02:407:5419:53
8:12
#13005
30K
18.64 mi12:57:032:28:237:5825:43
8:17
#12984
20M
20.00 mi13:08:182:39:387:5911:15
8:17
#12890
21M
21.00 mi13:16:562:48:168:018:38
8:38
#12746
35K
21.75 mi13:23:032:54:238:016:07
8:11
#12771
23M
23.00 mi13:33:333:04:538:0210:30
8:23
#12734
24M
24.00 mi13:41:463:13:068:038:13
8:13
#12728
40K
24.85 mi13:48:493:20:098:037:03
8:15
#12685
25.2M
25.20 mi13:51:513:23:118:043:02
8:48
#12664
Finish
26.22 mi13:59:423:31:028:037:51
7:42
#12545
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi123779274927412096(Top 45%)9132(Top 60%)9132(Top 406%)
10K6.21 mi3.10 mi12512-1359331-579331-5712683(Top 48%)9417(Top 62%)9417(Top 418%)
15K9.32 mi3.11 mi12327+1859229+1029229+10212096(Top 45%)9132(Top 60%)9132(Top 406%)
20K12.43 mi3.11 mi12613-2869329-1009329-10013497(Top 51%)9661(Top 64%)9661(Top 429%)
Half13.11 mi0.68 mi12777-1649408-799408-7915286(Top 57%)10398(Top 69%)10398(Top 462%)
25K15.53 mi2.42 mi13005-2289483-759483-7514212(Top 53%)9845(Top 65%)9845(Top 437%)
30K18.64 mi3.11 mi12984+219431+529431+5212870(Top 48%)9177(Top 60%)9177(Top 408%)
20M20.00 mi1.36 mi12890+949368+639368+6312201(Top 46%)8793(Top 58%)8793(Top 390%)
21M21.00 mi1.00 mi12746+1449289+799289+7911246(Top 42%)8236(Top 54%)8236(Top 366%)
35K21.75 mi0.75 mi12771-259285+49285+413243(Top 50%)9084(Top 60%)9084(Top 403%)
23M23.00 mi1.25 mi12734+379243+429243+4212478(Top 47%)8679(Top 57%)8679(Top 385%)
24M24.00 mi1.00 mi12728+69223+209223+2012708(Top 48%)8723(Top 57%)8723(Top 387%)
40K24.85 mi0.85 mi12685+439186+379186+3711649(Top 44%)8151(Top 54%)8151(Top 362%)
25.2M25.20 mi0.35 mi12664+219168+189168+1811270(Top 42%)7933(Top 52%)7933(Top 352%)
Finish26.22 mi1.02 mi12545+1199093+759093+759998(Top 38%)7292(Top 48%)7292(Top 324%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12096

Males

9132

M45-49

9132

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12683

Males

9417

M45-49

9417

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12096

Males

9132

M45-49

9132

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13497

Males

9661

M45-49

9661

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15286

Males

10398

M45-49

10398

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14212

Males

9845

M45-49

9845

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12870

Males

9177

M45-49

9177

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12201

Males

8793

M45-49

8793

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11246

Males

8236

M45-49

8236

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13243

Males

9084

M45-49

9084

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

12478

Males

8679

M45-49

8679

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12708

Males

8723

M45-49

8723

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11649

Males

8151

M45-49

8151

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11270

Males

7933

M45-49

7933

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

9998

Males

7292

M45-49

7292

Passing Analysis

Category:
Athletes Passed
1719
Passed By
1887
Net Change
-168
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12377
5K → 10K254389-135#12377#12512
10K → 15K295110+185#12512#12327
15K → 20K93379-286#12327#12613
20K → Half10174-164#12613#12777
Half → 25K82310-228#12777#13005
25K → 30K196175+21#13005#12984
30K → 20M13945+94#12984#12890
20M → 21M17531+144#12890#12746
21M → 35K4469-25#12746#12771
35K → 23M10265+37#12771#12734
23M → 24M6862+6#12734#12728
24M → 40K8542+43#12728#12685
40K → 25.2M3716+21#12685#12664
25.2M → Finish13920+119#12664#12545
TOTALS17191887-168
📊

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