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BOSTON MARATHON 2023

Matthew Feldman

Bib: 30763•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
34:00
Rank: #25600
Start → 5K
10:57/mi
34:00 split
10K· 6.21 mi
1:07:35
Rank: #25411 (+189)
5K → 10K
10:49/mi
33:35 split
15K· 9.32 mi
1:43:08
Rank: #25535 (-124)
10K → 15K
11:27/mi
35:33 split
20K· 12.43 mi
2:24:30
Rank: #25905 (-370)
15K → 20K
13:19/mi
41:22 split
Half· 13.11 mi
2:33:32
Rank: #25944 (-39)
20K → Half
13:14/mi
9:02 split
25K· 15.53 mi
3:07:26
Rank: #26056 (-112)
Half → 25K
13:59/mi
33:54 split
30K· 18.64 mi
3:54:05
Rank: #26166 (-110)
25K → 30K
15:01/mi
46:39 split
20M
4:17:14
Rank: #26272 (-106)
30K → 20M
17:02/mi
23:09 split
21M
4:32:48
Rank: #26274 (-2)
20M → 21M
15:34/mi
15:34 split
35K· 21.75 mi
4:43:51
Rank: #26289 (-15)
21M → 35K
14:46/mi
11:03 split
23M
5:03:24
Rank: #26328 (-39)
35K → 23M
15:37/mi
19:33 split
24M
5:17:56
Rank: #26335 (-7)
23M → 24M
14:32/mi
14:32 split
40K· 24.85 mi
5:31:12
Rank: #26353 (-18)
24M → 40K
15:31/mi
13:16 split
25.2M
5:35:56
Rank: #26337 (+16)
40K → 25.2M
13:44/mi
4:44 split
Finish· 26.22 mi
5:48:02
Rank: #26310 (+27)
25.2M → Finish
11:52/mi
12:06 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:33:32
Pace11:43 /mi
2nd Half
Distance13.11 mi
Time3:14:30
Pace14:50 /mi
📊Positive Split: 26.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4634:0010:5734:00
10:57
-
10K
6.21 mi12:26:211:07:3510:5333:35
10:49
-0:08
15K
9.32 mi13:01:541:43:0811:0435:33
11:27
+0:38
20K
12.43 mi13:43:162:24:3011:3841:22
13:19
+1:52
Half
13.11 mi13:52:182:33:3211:439:02
13:14
-0:05
25K
15.53 mi14:26:123:07:2612:0433:54
13:59
+0:45
30K
18.64 mi15:12:513:54:0512:3346:39
15:01
+1:02
20M
20.00 mi15:36:004:17:1412:5223:09
17:02
+2:01
21M
21.00 mi15:51:344:32:4812:5915:34
15:34
-1:28
35K
21.75 mi16:02:374:43:5113:0311:03
14:46
-0:48
23M
23.00 mi16:22:105:03:2413:1119:33
15:37
+0:51
24M
24.00 mi16:36:425:17:5613:1514:32
14:32
-1:05
40K
24.85 mi16:49:585:31:1213:2013:16
15:31
+0:59
25.2M
25.20 mi16:54:425:35:5613:204:44
13:44
-1:47
Finish
26.22 mi17:06:485:48:0213:1712:06
11:52
-1:52

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

10:49 /mi

Average Pace

13:17 /mi

Slowest Pace

17:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:14

33% of race

Time at Steady Pace

1:54:37

33% of race

Time at Slower Pace

1:58:11

34% of race

Average Pace: 13:16 /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 mi11:52:4634:0010:5734:00
10:57
#25600
10K
6.21 mi12:26:211:07:3510:5333:35
10:49
#25411
15K
9.32 mi13:01:541:43:0811:0435:33
11:27
#25535
20K
12.43 mi13:43:162:24:3011:3841:22
13:19
#25905
Half
13.11 mi13:52:182:33:3211:439:02
13:14
#25944
25K
15.53 mi14:26:123:07:2612:0433:54
13:59
#26056
30K
18.64 mi15:12:513:54:0512:3346:39
15:01
#26166
20M
20.00 mi15:36:004:17:1412:5223:09
17:02
#26272
21M
21.00 mi15:51:344:32:4812:5915:34
15:34
#26274
35K
21.75 mi16:02:374:43:5113:0311:03
14:46
#26289
23M
23.00 mi16:22:105:03:2413:1119:33
15:37
#26328
24M
24.00 mi16:36:425:17:5613:1514:32
14:32
#26335
40K
24.85 mi16:49:585:31:1213:2013:16
15:31
#26353
25.2M
25.20 mi16:54:425:35:5613:204:44
13:44
#26337
Finish
26.22 mi17:06:485:48:0213:1712:06
11:52
#26310
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25600147901479025658(Top 96%)14795(Top 97%)14795(Top 280%)
10K6.21 mi3.10 mi25411+18914714+7614714+7625199(Top 95%)14629(Top 96%)14629(Top 277%)
15K9.32 mi3.11 mi25535-12414757-4314757-4325658(Top 96%)14795(Top 97%)14795(Top 280%)
20K12.43 mi3.11 mi25905-37014908-15114908-15126358(Top 99%)15063(Top 99%)15063(Top 285%)
Half13.11 mi0.68 mi25944-3914919-1114919-1126409(Top 99%)15075(Top 99%)15075(Top 285%)
25K15.53 mi2.42 mi26056-11214955-3614955-3626337(Top 99%)15051(Top 99%)15051(Top 285%)
30K18.64 mi3.11 mi26166-11014988-3314988-3326424(Top 99%)15074(Top 99%)15074(Top 285%)
20M20.00 mi1.36 mi26272-10615032-4415032-4426554(Top 100%)15141(Top 100%)15141(Top 286%)
21M21.00 mi1.00 mi26274-2150321503226044(Top 98%)14887(Top 98%)14887(Top 282%)
35K21.75 mi0.75 mi26289-1515038-615038-626367(Top 99%)15031(Top 99%)15031(Top 284%)
23M23.00 mi1.25 mi26328-3915052-1415052-1426429(Top 99%)15066(Top 99%)15066(Top 285%)
24M24.00 mi1.00 mi26335-715053-115053-126277(Top 99%)14970(Top 99%)14970(Top 283%)
40K24.85 mi0.85 mi26353-1815059-615059-626311(Top 99%)14981(Top 99%)14981(Top 283%)
25.2M25.20 mi0.35 mi26337+1615049+1015049+1024760(Top 93%)14172(Top 93%)14172(Top 268%)
Finish26.22 mi1.02 mi26310+2715037+1215037+1225119(Top 94%)14374(Top 95%)14374(Top 272%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25658

Males

14795

M18-39

14795

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

25199

Males

14629

M18-39

14629

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25658

Males

14795

M18-39

14795

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

26358

Males

15063

M18-39

15063

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26409

Males

15075

M18-39

15075

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

26337

Males

15051

M18-39

15051

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26424

Males

15074

M18-39

15074

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

26554

Males

15141

M18-39

15141

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

26044

Males

14887

M18-39

14887

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

26367

Males

15031

M18-39

15031

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26429

Males

15066

M18-39

15066

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26277

Males

14970

M18-39

14970

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26311

Males

14981

M18-39

14981

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24760

Males

14172

M18-39

14172

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

25119

Males

14374

M18-39

14374

Passing Analysis

Category:
Athletes Passed
436
Passed By
1146
Net Change
-710
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25600
5K → 10K26879+189#25600#25411
10K → 15K56180-124#25411#25535
15K → 20K4374-370#25535#25905
20K → Half241-39#25905#25944
Half → 25K11123-112#25944#26056
25K → 30K11121-110#26056#26166
30K → 20M2108-106#26166#26272
20M → 21M1517-2#26272#26274
21M → 35K621-15#26274#26289
35K → 23M544-39#26289#26328
23M → 24M714-7#26328#26335
24M → 40K321-18#26335#26353
40K → 25.2M160+16#26353#26337
25.2M → Finish303+27#26337#26310
TOTALS4361146-710
📊

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