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BOSTON MARATHON 2023

Matthew Rand

Bib: 7177•M

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 29%
Masters (Masters Men)
#0 / 9891
Top 15%
Division (M40-44)
#0 / 2241
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:43
Rank: #3387
Start → 5K
20:43 | 6:40/mi
10K· 6.21 mi
41:18
Rank: #3509 (-122)
5K → 10K
20:35 | 6:38/mi
15K· 9.32 mi
1:01:58
Rank: #3547 (-38)
10K → 15K
20:40 | 6:39/mi
20K· 12.43 mi
1:22:49
Rank: #3553 (-6)
15K → 20K
20:51 | 6:43/mi
Half· 13.11 mi
1:27:23
Rank: #3577 (-24)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:44:06
Rank: #3787 (-210)
Half → 25K
16:43 | 6:54/mi
30K· 18.64 mi
2:06:17
Rank: #4076 (-289)
25K → 30K
22:11 | 7:08/mi
20M
2:16:24
Rank: #4327 (-251)
30K → 20M
10:07 | 7:27/mi
21M
2:23:51
Rank: #4316 (+11)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:29:02
Rank: #4339 (-23)
21M → 35K
5:11 | 6:56/mi
23M
2:38:41
Rank: #4582 (-243)
35K → 23M
9:39 | 7:42/mi
24M
2:46:17
Rank: #4735 (-153)
23M → 24M
7:36 | 7:36/mi
40K· 24.85 mi
2:52:33
Rank: #4725 (+10)
24M → 40K
6:16 | 7:20/mi
25.2M
2:55:16
Rank: #4729 (-4)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:02:42
Rank: #4765 (-36)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:23
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:35:19
Pace7:16 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4220:436:4020:43
6:40
-
10K
6.21 mi10:45:1741:186:3920:35
6:38
-0:02
15K
9.32 mi11:05:571:01:586:3920:40
6:39
+0:01
20K
12.43 mi11:26:481:22:496:4020:51
6:43
+0:04
Half
13.11 mi11:31:221:27:236:404:34
6:42
-0:01
25K
15.53 mi11:48:051:44:066:4216:43
6:54
+0:12
30K
18.64 mi12:10:162:06:176:4622:11
7:08
+0:14
20M
20.00 mi12:20:232:16:246:4910:07
7:27
+0:19
21M
21.00 mi12:27:502:23:516:517:27
7:27
0:00
35K
21.75 mi12:33:012:29:026:515:11
6:56
-0:31
23M
23.00 mi12:42:402:38:416:549:39
7:42
+0:46
24M
24.00 mi12:50:162:46:176:567:36
7:36
-0:06
40K
24.85 mi12:56:322:52:336:576:16
7:20
-0:16
25.2M
25.20 mi12:59:152:55:166:572:43
7:53
+0:33
Finish
26.22 mi13:06:413:02:426:587:26
7:18
-0:35

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

6:38 /mi

Average Pace

6:58 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:28

72% of race

Time at Steady Pace

48:31

27% of race

Time at Slower Pace

2:43

1% of race

Average Pace: 6:58 /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 mi10:24:4220:436:4020:43
6:40
#3387
10K
6.21 mi10:45:1741:186:3920:35
6:38
#3509
15K
9.32 mi11:05:571:01:586:3920:40
6:39
#3547
20K
12.43 mi11:26:481:22:496:4020:51
6:43
#3553
Half
13.11 mi11:31:221:27:236:404:34
6:42
#3577
25K
15.53 mi11:48:051:44:066:4216:43
6:54
#3787
30K
18.64 mi12:10:162:06:176:4622:11
7:08
#4076
20M
20.00 mi12:20:232:16:246:4910:07
7:27
#4327
21M
21.00 mi12:27:502:23:516:517:27
7:27
#4316
35K
21.75 mi12:33:012:29:026:515:11
6:56
#4339
23M
23.00 mi12:42:402:38:416:549:39
7:42
#4582
24M
24.00 mi12:50:162:46:176:567:36
7:36
#4735
40K
24.85 mi12:56:322:52:336:576:16
7:20
#4725
25.2M
25.20 mi12:59:152:55:166:572:43
7:53
#4729
Finish
26.22 mi13:06:413:02:426:587:26
7:18
#4765
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3387319431943707(Top 14%)3495(Top 23%)3495(Top 156%)
10K6.21 mi3.10 mi3509-1223314-1203314-1203690(Top 14%)3486(Top 23%)3486(Top 156%)
15K9.32 mi3.11 mi3547-383355-413355-413707(Top 14%)3495(Top 23%)3495(Top 156%)
20K12.43 mi3.11 mi3553-63363-83363-83672(Top 14%)3476(Top 23%)3476(Top 155%)
Half13.11 mi0.68 mi3577-243387-243387-244315(Top 16%)4039(Top 27%)4039(Top 180%)
25K15.53 mi2.42 mi3787-2103578-1913578-1914916(Top 18%)4549(Top 30%)4549(Top 203%)
30K18.64 mi3.11 mi4076-2893832-2543832-2545136(Top 19%)4708(Top 31%)4708(Top 210%)
20M20.00 mi1.36 mi4327-2514047-2154047-2156469(Top 24%)5620(Top 37%)5620(Top 251%)
21M21.00 mi1.00 mi4316+114035+124035+124323(Top 16%)3949(Top 26%)3949(Top 176%)
35K21.75 mi0.75 mi4339-234053-184053-184915(Top 18%)4421(Top 29%)4421(Top 197%)
23M23.00 mi1.25 mi4582-2434265-2124265-2127728(Top 29%)6253(Top 41%)6253(Top 279%)
24M24.00 mi1.00 mi4735-1534398-1334398-1338346(Top 31%)6508(Top 43%)6508(Top 290%)
40K24.85 mi0.85 mi4725+104382+164382+165611(Top 21%)4758(Top 31%)4758(Top 212%)
25.2M25.20 mi0.35 mi4729-44381+14381+15729(Top 22%)4749(Top 31%)4749(Top 212%)
Finish26.22 mi1.02 mi4765-364401-204401-207046(Top 26%)5585(Top 37%)5585(Top 249%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3707

Males

3495

M40-44

3495

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3690

Males

3486

M40-44

3486

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3707

Males

3495

M40-44

3495

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3672

Males

3476

M40-44

3476

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4315

Males

4039

M40-44

4039

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4916

Males

4549

M40-44

4549

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5136

Males

4708

M40-44

4708

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6469

Males

5620

M40-44

5620

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4323

Males

3949

M40-44

3949

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4915

Males

4421

M40-44

4421

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7728

Males

6253

M40-44

6253

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8346

Males

6508

M40-44

6508

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5611

Males

4758

M40-44

4758

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5729

Males

4749

M40-44

4749

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7046

Males

5585

M40-44

5585

Passing Analysis

Category:
Athletes Passed
650
Passed By
2028
Net Change
-1378
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3387
5K → 10K137259-122#3387#3509
10K → 15K92130-38#3509#3547
15K → 20K7783-6#3547#3553
20K → Half933-24#3553#3577
Half → 25K35245-210#3577#3787
25K → 30K45334-289#3787#4076
30K → 20M15266-251#4076#4327
20M → 21M6958+11#4327#4316
21M → 35K3356-23#4316#4339
35K → 23M19262-243#4339#4582
23M → 24M16169-153#4582#4735
24M → 40K4636+10#4735#4725
40K → 25.2M1923-4#4725#4729
25.2M → Finish3874-36#4729#4765
TOTALS6502028-1378
📊

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