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BOSTON MARATHON 2023

Winfred Wu

Bib: 8052•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 34%
Masters (Masters Men)
#0 / 9891
Top 20%
Division (M40-44)
#0 / 2241
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:32
Rank: #5797
Start → 5K
21:32 | 6:56/mi
10K· 6.21 mi
42:41
Rank: #5583 (+214)
5K → 10K
21:09 | 6:48/mi
15K· 9.32 mi
1:04:19
Rank: #5848 (-265)
10K → 15K
21:38 | 6:58/mi
20K· 12.43 mi
1:26:19
Rank: #6015 (-167)
15K → 20K
22:00 | 7:05/mi
Half· 13.11 mi
1:30:52
Rank: #5935 (+80)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:47:59
Rank: #5915 (+20)
Half → 25K
17:07 | 7:04/mi
30K· 18.64 mi
2:11:02
Rank: #5994 (-79)
25K → 30K
23:03 | 7:25/mi
20M
2:21:12
Rank: #6002 (-8)
30K → 20M
10:10 | 7:29/mi
21M
2:29:15
Rank: #6043 (-41)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:34:34
Rank: #5998 (+45)
21M → 35K
5:19 | 7:06/mi
23M
2:43:48
Rank: #5935 (+63)
35K → 23M
9:14 | 7:22/mi
24M
2:50:51
Rank: #5833 (+102)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:57:10
Rank: #5798 (+35)
24M → 40K
6:19 | 7:23/mi
25.2M
2:59:56
Rank: #5785 (+13)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:07:11
Rank: #5751 (+34)
25.2M → Finish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:52
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:36:19
Pace7:21 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5721:326:5621:32
6:56
-
10K
6.21 mi11:08:0642:416:5221:09
6:48
-0:08
15K
9.32 mi11:29:441:04:196:5421:38
6:58
+0:10
20K
12.43 mi11:51:441:26:196:5722:00
7:05
+0:07
Half
13.11 mi11:56:171:30:526:564:33
6:40
-0:25
25K
15.53 mi12:13:241:47:596:5717:07
7:04
+0:24
30K
18.64 mi12:36:272:11:027:0223:03
7:25
+0:21
20M
20.00 mi12:46:372:21:127:0410:10
7:29
+0:04
21M
21.00 mi12:54:402:29:157:068:03
8:03
+0:34
35K
21.75 mi12:59:592:34:347:065:19
7:06
-0:57
23M
23.00 mi13:09:132:43:487:079:14
7:22
+0:16
24M
24.00 mi13:16:162:50:517:077:03
7:03
-0:19
40K
24.85 mi13:22:352:57:107:086:19
7:23
+0:20
25.2M
25.20 mi13:25:212:59:567:082:46
8:01
+0:38
Finish
26.22 mi13:32:363:07:117:097:15
7:07
-0:54

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

6:40 /mi

Average Pace

7:09 /mi

Slowest Pace

8:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:42

14% of race

Time at Steady Pace

1:41:54

54% of race

Time at Slower Pace

59:35

32% of race

Average Pace: 7:08 /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 mi10:46:5721:326:5621:32
6:56
#5797
10K
6.21 mi11:08:0642:416:5221:09
6:48
#5583
15K
9.32 mi11:29:441:04:196:5421:38
6:58
#5848
20K
12.43 mi11:51:441:26:196:5722:00
7:05
#6015
Half
13.11 mi11:56:171:30:526:564:33
6:40
#5935
25K
15.53 mi12:13:241:47:596:5717:07
7:04
#5915
30K
18.64 mi12:36:272:11:027:0223:03
7:25
#5994
20M
20.00 mi12:46:372:21:127:0410:10
7:29
#6002
21M
21.00 mi12:54:402:29:157:068:03
8:03
#6043
35K
21.75 mi12:59:592:34:347:065:19
7:06
#5998
23M
23.00 mi13:09:132:43:487:079:14
7:22
#5935
24M
24.00 mi13:16:162:50:517:077:03
7:03
#5833
40K
24.85 mi13:22:352:57:107:086:19
7:23
#5798
25.2M
25.20 mi13:25:212:59:567:082:46
8:01
#5785
Finish
26.22 mi13:32:363:07:117:097:15
7:07
#5751
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5797532153216324(Top 24%)5712(Top 38%)5712(Top 255%)
10K6.21 mi3.10 mi5583+2145144+1775144+1775376(Top 20%)4961(Top 33%)4961(Top 221%)
15K9.32 mi3.11 mi5848-2655360-2165360-2166324(Top 24%)5712(Top 38%)5712(Top 255%)
20K12.43 mi3.11 mi6015-1675487-1275487-1276446(Top 24%)5800(Top 38%)5800(Top 259%)
Half13.11 mi0.68 mi5935+805426+615426+614109(Top 15%)3861(Top 25%)3861(Top 172%)
25K15.53 mi2.42 mi5915+205414+125414+125891(Top 22%)5363(Top 35%)5363(Top 239%)
30K18.64 mi3.11 mi5994-795465-515465-516696(Top 25%)5860(Top 39%)5860(Top 261%)
20M20.00 mi1.36 mi6002-85452+135452+136637(Top 25%)5725(Top 38%)5725(Top 255%)
21M21.00 mi1.00 mi6043-415475-235475-237620(Top 29%)6246(Top 41%)6246(Top 279%)
35K21.75 mi0.75 mi5998+455430+455430+455920(Top 22%)5173(Top 34%)5173(Top 231%)
23M23.00 mi1.25 mi5935+635368+625368+625704(Top 21%)4980(Top 33%)4980(Top 222%)
24M24.00 mi1.00 mi5833+1025283+855283+854912(Top 18%)4364(Top 29%)4364(Top 195%)
40K24.85 mi0.85 mi5798+355244+395244+395970(Top 22%)4994(Top 33%)4994(Top 223%)
25.2M25.20 mi0.35 mi5785+135228+165228+166559(Top 25%)5285(Top 35%)5285(Top 236%)
Finish26.22 mi1.02 mi5751+345188+405188+405885(Top 22%)4851(Top 32%)4851(Top 216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6324

Males

5712

M40-44

5712

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5376

Males

4961

M40-44

4961

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6324

Males

5712

M40-44

5712

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6446

Males

5800

M40-44

5800

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4109

Males

3861

M40-44

3861

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5891

Males

5363

M40-44

5363

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6696

Males

5860

M40-44

5860

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6637

Males

5725

M40-44

5725

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7620

Males

6246

M40-44

6246

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5920

Males

5173

M40-44

5173

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5704

Males

4980

M40-44

4980

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4912

Males

4364

M40-44

4364

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5970

Males

4994

M40-44

4994

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6559

Males

5285

M40-44

5285

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5885

Males

4851

M40-44

4851

Passing Analysis

Category:
Athletes Passed
1215
Passed By
1169
Net Change
+46
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5797
5K → 10K330116+214#5797#5583
10K → 15K40305-265#5583#5848
15K → 20K53220-167#5848#6015
20K → Half800+80#6015#5935
Half → 25K8868+20#5935#5915
25K → 30K104183-79#5915#5994
30K → 20M5563-8#5994#6002
20M → 21M3879-41#6002#6043
21M → 35K6116+45#6043#5998
35K → 23M9431+63#5998#5935
23M → 24M11311+102#5935#5833
24M → 40K6025+35#5833#5798
40K → 25.2M3017+13#5798#5785
25.2M → Finish6935+34#5785#5751
TOTALS12151169+46
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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