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BOSTON MARATHON 2023

Rob Walters

Bib: 1930•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Masters (Masters Men)
#0 / 9891
Top 2%
Division (M40-44)
#0 / 2241
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:57
Rank: #899
Start → 5K
18:57 | 6:06/mi
10K· 6.21 mi
38:01
Rank: #1013 (-114)
5K → 10K
19:04 | 6:08/mi
15K· 9.32 mi
57:23
Rank: #1096 (-83)
10K → 15K
19:22 | 6:14/mi
20K· 12.43 mi
1:16:57
Rank: #1135 (-39)
15K → 20K
19:34 | 6:18/mi
Half· 13.11 mi
1:21:12
Rank: #1146 (-11)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:36:39
Rank: #1189 (-43)
Half → 25K
15:27 | 6:22/mi
30K· 18.64 mi
1:56:59
Rank: #1245 (-56)
25K → 30K
20:20 | 6:33/mi
20M
2:05:57
Rank: #1279 (-34)
30K → 20M
8:58 | 6:36/mi
21M
2:13:00
Rank: #1322 (-43)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:17:45
Rank: #1322
21M → 35K
4:45 | 6:21/mi
23M
2:26:02
Rank: #1328 (-6)
35K → 23M
8:17 | 6:37/mi
24M
2:32:30
Rank: #1333 (-5)
23M → 24M
6:28 | 6:28/mi
40K· 24.85 mi
2:38:12
Rank: #1345 (-12)
24M → 40K
5:42 | 6:40/mi
25.2M
2:40:43
Rank: #1362 (-17)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:47:30
Rank: #1406 (-44)
25.2M → Finish
6:47 | 6:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:12
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:26:18
Pace6:35 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1518:576:0618:57
6:06
-
10K
6.21 mi10:38:1938:016:0719:04
6:08
+0:02
15K
9.32 mi10:57:4157:236:0919:22
6:14
+0:06
20K
12.43 mi11:17:151:16:576:1219:34
6:18
+0:04
Half
13.11 mi11:21:301:21:126:124:15
6:14
-0:04
25K
15.53 mi11:36:571:36:396:1315:27
6:22
+0:08
30K
18.64 mi11:57:171:56:596:1720:20
6:33
+0:11
20M
20.00 mi12:06:152:05:576:188:58
6:36
+0:03
21M
21.00 mi12:13:182:13:006:207:03
7:03
+0:27
35K
21.75 mi12:18:032:17:456:204:45
6:21
-0:42
23M
23.00 mi12:26:202:26:026:218:17
6:37
+0:16
24M
24.00 mi12:32:482:32:306:216:28
6:28
-0:09
40K
24.85 mi12:38:302:38:126:225:42
6:40
+0:12
25.2M
25.20 mi12:41:012:40:436:232:31
7:18
+0:38
Finish
26.22 mi12:47:482:47:306:246:47
6:39
-0:39

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

6:06 /mi

Average Pace

6:24 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:56

94% of race

Time at Steady Pace

7:03

4% of race

Time at Slower Pace

2:31

2% of race

Average Pace: 6:23 /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 mi10:19:1518:576:0618:57
6:06
#899
10K
6.21 mi10:38:1938:016:0719:04
6:08
#1013
15K
9.32 mi10:57:4157:236:0919:22
6:14
#1096
20K
12.43 mi11:17:151:16:576:1219:34
6:18
#1135
Half
13.11 mi11:21:301:21:126:124:15
6:14
#1146
25K
15.53 mi11:36:571:36:396:1315:27
6:22
#1189
30K
18.64 mi11:57:171:56:596:1720:20
6:33
#1245
20M
20.00 mi12:06:152:05:576:188:58
6:36
#1279
21M
21.00 mi12:13:182:13:006:207:03
7:03
#1322
35K
21.75 mi12:18:032:17:456:204:45
6:21
#1322
23M
23.00 mi12:26:202:26:026:218:17
6:37
#1328
24M
24.00 mi12:32:482:32:306:216:28
6:28
#1333
40K
24.85 mi12:38:302:38:126:225:42
6:40
#1345
25.2M
25.20 mi12:41:012:40:436:232:31
7:18
#1362
Finish
26.22 mi12:47:482:47:306:246:47
6:39
#1406
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi8998458451365(Top 5%)1299(Top 9%)1299(Top 58%)
10K6.21 mi3.10 mi1013-114957-112957-1121137(Top 4%)1079(Top 7%)1079(Top 48%)
15K9.32 mi3.11 mi1096-831039-821039-821365(Top 5%)1299(Top 9%)1299(Top 58%)
20K12.43 mi3.11 mi1135-391079-401079-401370(Top 5%)1309(Top 9%)1309(Top 58%)
Half13.11 mi0.68 mi1146-111091-121091-121490(Top 6%)1426(Top 9%)1426(Top 64%)
25K15.53 mi2.42 mi1189-431134-431134-431605(Top 6%)1535(Top 10%)1535(Top 68%)
30K18.64 mi3.11 mi1245-561190-561190-561723(Top 6%)1648(Top 11%)1648(Top 74%)
20M20.00 mi1.36 mi1279-341222-321222-321822(Top 7%)1735(Top 11%)1735(Top 77%)
21M21.00 mi1.00 mi1322-431262-401262-402349(Top 9%)2218(Top 15%)2218(Top 99%)
35K21.75 mi0.75 mi1322126212621725(Top 6%)1638(Top 11%)1638(Top 73%)
23M23.00 mi1.25 mi1328-61266-41266-41811(Top 7%)1715(Top 11%)1715(Top 77%)
24M24.00 mi1.00 mi1333-51272-61272-61933(Top 7%)1814(Top 12%)1814(Top 81%)
40K24.85 mi0.85 mi1345-121282-101282-102164(Top 8%)2015(Top 13%)2015(Top 90%)
25.2M25.20 mi0.35 mi1362-171298-161298-162848(Top 11%)2603(Top 17%)2603(Top 116%)
Finish26.22 mi1.02 mi1406-441339-411339-413240(Top 12%)2912(Top 19%)2912(Top 130%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1365

Males

1299

M40-44

1299

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1137

Males

1079

M40-44

1079

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1365

Males

1299

M40-44

1299

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1370

Males

1309

M40-44

1309

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1490

Males

1426

M40-44

1426

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1605

Males

1535

M40-44

1535

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1723

Males

1648

M40-44

1648

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1822

Males

1735

M40-44

1735

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2349

Males

2218

M40-44

2218

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1725

Males

1638

M40-44

1638

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1811

Males

1715

M40-44

1715

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1933

Males

1814

M40-44

1814

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2164

Males

2015

M40-44

2015

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2848

Males

2603

M40-44

2603

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3240

Males

2912

M40-44

2912

Passing Analysis

Category:
Athletes Passed
191
Passed By
698
Net Change
-507
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#899
5K → 10K14128-114#899#1013
10K → 15K1093-83#1013#1096
15K → 20K1655-39#1096#1135
20K → Half213-11#1135#1146
Half → 25K1154-43#1146#1189
25K → 30K2783-56#1189#1245
30K → 20M1044-34#1245#1279
20M → 21M1356-43#1279#1322
21M → 35K16160#1322#1322
35K → 23M2531-6#1322#1328
23M → 24M1924-5#1328#1333
24M → 40K1325-12#1333#1345
40K → 25.2M421-17#1345#1362
25.2M → Finish1155-44#1362#1406
TOTALS191698-507
📊

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