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BOSTON MARATHON 2023

Wei Ma

Bib: 9098•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 27%
Masters (Masters Men)
#0 / 9891
Top 13%
Division (M45-49)
#0 / 2252
Top 16%
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
6:55/mi
21:30
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
42:33
↑ 79↓ 1380.4%
15K· 9.32 mi
6:50/mi
1:03:46
↑ 67↓ 78
20K· 12.43 mi
6:53/mi
1:25:08
↑ 106↓ 860.1%
Half· 13.11 mi
6:46/mi
1:29:45
↑ 19↓ 370.5%
25K· 15.53 mi
6:56/mi
1:46:33
↑ 66↓ 880.2%
30K· 18.64 mi
6:57/mi
2:08:10
↑ 181↓ 1480.2%
20M
6:55/mi
2:17:34
↑ 64↓ 500.2%
21M
7:18/mi
2:24:52
↑ 106↓ 241.6%
35K· 21.75 mi
6:46/mi
2:29:56
↑ 17↓ 861.7%
23M
6:56/mi
2:38:37
↑ 23↓ 630.6%
24M
6:50/mi
2:45:27
↓ 821.3%
40K· 24.85 mi
6:54/mi
2:51:21
↓ 200.3%
25.2M
7:29/mi
2:53:56
↑ 13↓ 160.2%
Finish· 26.22 mi
6:42/mi
3:00:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:45
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:31:01
Pace6:57 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2521:306:5521:30
6:55
-
10K
6.21 mi11:08:2842:336:5121:03
6:47
-0:08
15K
9.32 mi11:29:411:03:466:5021:13
6:50
+0:03
20K
12.43 mi11:51:031:25:086:5121:22
6:53
+0:03
Half
13.11 mi11:55:401:29:456:514:37
6:46
-0:07
25K
15.53 mi12:12:281:46:336:5216:48
6:56
+0:10
30K
18.64 mi12:34:052:08:106:5321:37
6:57
+0:01
20M
20.00 mi12:43:292:17:346:539:24
6:55
-0:02
21M
21.00 mi12:50:472:24:526:547:18
7:18
+0:23
35K
21.75 mi12:55:512:29:566:545:04
6:46
-0:32
23M
23.00 mi13:04:322:38:376:548:41
6:56
+0:10
24M
24.00 mi13:11:222:45:276:546:50
6:50
-0:06
40K
24.85 mi13:17:162:51:216:545:54
6:54
+0:04
25.2M
25.20 mi13:19:512:53:566:542:35
7:29
+0:35
Finish
26.22 mi13:26:413:00:466:546:50
6:42
-0:47

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

6:42 /mi

Average Pace

6:54 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:11

99% of race

Time at Steady Pace

2:35

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:54 /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 mi10:47:2521:306:5521:30
6:55
#5718
10K
6.21 mi11:08:2842:336:5121:03
6:47
#5392
15K
9.32 mi11:29:411:03:466:5021:13
6:50
#5377
20K
12.43 mi11:51:031:25:086:5121:22
6:53
#5320
Half
13.11 mi11:55:401:29:456:514:37
6:46
#5298
25K
15.53 mi12:12:281:46:336:5216:48
6:56
#5267
30K
18.64 mi12:34:052:08:106:5321:37
6:57
#4974
20M
20.00 mi12:43:292:17:346:539:24
6:55
#4812
21M
21.00 mi12:50:472:24:526:547:18
7:18
#4719
35K
21.75 mi12:55:512:29:566:545:04
6:46
#4676
23M
23.00 mi13:04:322:38:376:548:41
6:56
#4564
24M
24.00 mi13:11:222:45:276:546:50
6:50
#4512
40K
24.85 mi13:17:162:51:216:545:54
6:54
#4444
25.2M
25.20 mi13:19:512:53:566:542:35
7:29
#4420
Finish
26.22 mi13:26:413:00:466:546:50
6:42
#4369
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5718525452545368(Top 20%)4953(Top 33%)4953(Top 220%)
10K6.21 mi3.10 mi5392+3264981+2734981+2735048(Top 19%)4671(Top 31%)4671(Top 207%)
15K9.32 mi3.11 mi5377+154971+104971+105368(Top 20%)4953(Top 33%)4953(Top 220%)
20K12.43 mi3.11 mi5320+574922+494922+495155(Top 19%)4765(Top 31%)4765(Top 212%)
Half13.11 mi0.68 mi5298+224904+184904+184941(Top 19%)4573(Top 30%)4573(Top 203%)
25K15.53 mi2.42 mi5267+314878+264878+265131(Top 19%)4734(Top 31%)4734(Top 210%)
30K18.64 mi3.11 mi4974+2934623+2554623+2554069(Top 15%)3799(Top 25%)3799(Top 169%)
20M20.00 mi1.36 mi4812+1624474+1494474+1493550(Top 13%)3315(Top 22%)3315(Top 147%)
21M21.00 mi1.00 mi4719+934395+794395+793617(Top 14%)3357(Top 22%)3357(Top 149%)
35K21.75 mi0.75 mi4676+434353+424353+424021(Top 15%)3696(Top 24%)3696(Top 164%)
23M23.00 mi1.25 mi4564+1124250+1034250+1033453(Top 13%)3201(Top 21%)3201(Top 142%)
24M24.00 mi1.00 mi4512+524207+434207+433836(Top 14%)3508(Top 23%)3508(Top 156%)
40K24.85 mi0.85 mi4444+684146+614146+613346(Top 13%)3062(Top 20%)3062(Top 136%)
25.2M25.20 mi0.35 mi4420+244122+244122+243853(Top 14%)3443(Top 23%)3443(Top 153%)
Finish26.22 mi1.02 mi4369+514076+464076+463552(Top 13%)3177(Top 21%)3177(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5368

Males

4953

M45-49

4953

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

5048

Males

4671

M45-49

4671

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5368

Males

4953

M45-49

4953

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

5155

Males

4765

M45-49

4765

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

4941

Males

4573

M45-49

4573

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

5131

Males

4734

M45-49

4734

25K→30K

15.5 - 18.6 mi

Top 15%
×9story building
+181ft-148ft

Overall

4069

Males

3799

M45-49

3799

30K→20M

18.6 - 20.0 mi

Top 13%
×5story building
+64ft-50ft

Overall

3550

Males

3315

M45-49

3315

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3617

Males

3357

M45-49

3357

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4021

Males

3696

M45-49

3696

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3453

Males

3201

M45-49

3201

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3836

Males

3508

M45-49

3508

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3346

Males

3062

M45-49

3062

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3853

Males

3443

M45-49

3443

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3552

Males

3177

M45-49

3177

Passing Analysis

Category:
Athletes Passed
1821
Passed By
472
Net Change
+1349
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5718
5K → 10K40074+326#5718#5392
10K → 15K127112+15#5392#5377
15K → 20K13881+57#5377#5320
20K → Half3210+22#5320#5298
Half → 25K10069+31#5298#5267
25K → 30K30916+293#5267#4974
30K → 20M1653+162#4974#4812
20M → 21M11017+93#4812#4719
21M → 35K5916+43#4719#4676
35K → 23M13018+112#4676#4564
23M → 24M7018+52#4564#4512
24M → 40K8315+68#4512#4444
40K → 25.2M295+24#4444#4420
25.2M → Finish6918+51#4420#4369
TOTALS1821472+1349
📊

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