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BOSTON MARATHON 2023

Boon Wu

Bib: 6133•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Masters (Masters Men)
#0 / 9891
Top 12%
Division (M40-44)
#0 / 2241
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:45/mi
20:58
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
41:56
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:02:54
↑ 67↓ 78
20K· 12.43 mi
6:47/mi
1:23:57
↑ 106↓ 860.1%
Half· 13.11 mi
6:43/mi
1:28:32
↑ 19↓ 370.5%
25K· 15.53 mi
6:49/mi
1:45:04
↑ 66↓ 880.2%
30K· 18.64 mi
7:03/mi
2:06:59
↑ 181↓ 1480.2%
20M
7:08/mi
2:16:40
↑ 64↓ 500.2%
21M
7:33/mi
2:24:13
↑ 106↓ 241.6%
35K· 21.75 mi
6:52/mi
2:29:21
↑ 17↓ 861.7%
23M
6:59/mi
2:38:06
↑ 23↓ 630.6%
24M
6:44/mi
2:44:50
↓ 821.3%
40K· 24.85 mi
6:58/mi
2:50:47
↓ 200.3%
25.2M
7:24/mi
2:53:20
↑ 13↓ 160.2%
Finish· 26.22 mi
6:39/mi
3:00:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:32
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:31:35
Pace6:59 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1020:586:4520:58
6:45
-
10K
6.21 mi10:45:0841:566:4520:58
6:45
0:00
15K
9.32 mi11:06:061:02:546:4520:58
6:45
0:00
20K
12.43 mi11:27:091:23:576:4521:03
6:47
+0:02
Half
13.11 mi11:31:441:28:326:454:35
6:43
-0:04
25K
15.53 mi11:48:161:45:046:4616:32
6:49
+0:06
30K
18.64 mi12:10:112:06:596:4921:55
7:03
+0:14
20M
20.00 mi12:19:522:16:406:509:41
7:08
+0:05
21M
21.00 mi12:27:252:24:136:527:33
7:33
+0:25
35K
21.75 mi12:32:332:29:216:525:08
6:52
-0:41
23M
23.00 mi12:41:182:38:066:528:45
6:59
+0:07
24M
24.00 mi12:48:022:44:506:526:44
6:44
-0:15
40K
24.85 mi12:53:592:50:476:525:57
6:58
+0:14
25.2M
25.20 mi12:56:322:53:206:532:33
7:24
+0:26
Finish
26.22 mi13:03:193:00:076:526:47
6:39
-0:45

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

6:39 /mi

Average Pace

6:52 /mi

Slowest Pace

7:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:01

94% of race

Time at Steady Pace

10:06

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:24:1020:586:4520:58
6:45
#4121
10K
6.21 mi10:45:0841:566:4520:58
6:45
#4463
15K
9.32 mi11:06:061:02:546:4520:58
6:45
#4488
20K
12.43 mi11:27:091:23:576:4521:03
6:47
#4398
Half
13.11 mi11:31:441:28:326:454:35
6:43
#4392
25K
15.53 mi11:48:161:45:046:4616:32
6:49
#4361
30K
18.64 mi12:10:112:06:596:4921:55
7:03
#4404
20M
20.00 mi12:19:522:16:406:509:41
7:08
#4452
21M
21.00 mi12:27:252:24:136:527:33
7:33
#4469
35K
21.75 mi12:32:332:29:216:525:08
6:52
#4466
23M
23.00 mi12:41:182:38:066:528:45
6:59
#4382
24M
24.00 mi12:48:022:44:506:526:44
6:44
#4324
40K
24.85 mi12:53:592:50:476:525:57
6:58
#4280
25.2M
25.20 mi12:56:322:53:206:532:33
7:24
#4261
Finish
26.22 mi13:03:193:00:076:526:47
6:39
#4221
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4121386638664587(Top 17%)4283(Top 28%)4283(Top 191%)
10K6.21 mi3.10 mi4463-3424174-3084174-3084800(Top 18%)4457(Top 29%)4457(Top 199%)
15K9.32 mi3.11 mi4488-254194-204194-204587(Top 17%)4283(Top 28%)4283(Top 191%)
20K12.43 mi3.11 mi4398+904114+804114+804213(Top 16%)3944(Top 26%)3944(Top 176%)
Half13.11 mi0.68 mi4392+64111+34111+34504(Top 17%)4196(Top 28%)4196(Top 187%)
25K15.53 mi2.42 mi4361+314082+294082+294311(Top 16%)4027(Top 27%)4027(Top 180%)
30K18.64 mi3.11 mi4404-434114-324114-324676(Top 18%)4317(Top 28%)4317(Top 193%)
20M20.00 mi1.36 mi4452-484156-424156-424729(Top 18%)4319(Top 28%)4319(Top 193%)
21M21.00 mi1.00 mi4469-174171-154171-154803(Top 18%)4330(Top 29%)4330(Top 193%)
35K21.75 mi0.75 mi4466+34164+74164+74550(Top 17%)4141(Top 27%)4141(Top 185%)
23M23.00 mi1.25 mi4382+844094+704094+703731(Top 14%)3445(Top 23%)3445(Top 154%)
24M24.00 mi1.00 mi4324+584044+504044+503303(Top 12%)3058(Top 20%)3058(Top 136%)
40K24.85 mi0.85 mi4280+443999+453999+453626(Top 14%)3290(Top 22%)3290(Top 147%)
25.2M25.20 mi0.35 mi4261+193979+203979+203407(Top 13%)3090(Top 20%)3090(Top 138%)
Finish26.22 mi1.02 mi4221+403943+363943+363282(Top 12%)2954(Top 19%)2954(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4587

Males

4283

M40-44

4283

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4800

Males

4457

M40-44

4457

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4587

Males

4283

M40-44

4283

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4213

Males

3944

M40-44

3944

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4504

Males

4196

M40-44

4196

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4311

Males

4027

M40-44

4027

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

4676

Males

4317

M40-44

4317

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

4729

Males

4319

M40-44

4319

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4803

Males

4330

M40-44

4330

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4550

Males

4141

M40-44

4141

35K→23M

21.8 - 23.0 mi

Top 14%
×5story building
+23ft-63ft

Overall

3731

Males

3445

M40-44

3445

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3303

Males

3058

M40-44

3058

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3626

Males

3290

M40-44

3290

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3407

Males

3090

M40-44

3090

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3282

Males

2954

M40-44

2954

Passing Analysis

Category:
Athletes Passed
1083
Passed By
1183
Net Change
-100
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4121
5K → 10K101443-342#4121#4463
10K → 15K108133-25#4463#4488
15K → 20K15060+90#4488#4398
20K → Half2418+6#4398#4392
Half → 25K10069+31#4392#4361
25K → 30K94137-43#4361#4404
30K → 20M4896-48#4404#4452
20M → 21M5471-17#4452#4469
21M → 35K4744+3#4469#4466
35K → 23M11632+84#4466#4382
23M → 24M8325+58#4382#4324
24M → 40K6622+44#4324#4280
40K → 25.2M289+19#4280#4261
25.2M → Finish6424+40#4261#4221
TOTALS10831183-100
📊

Passing Visuals

Category:
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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