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BOSTON MARATHON 2023

Matthew Nickerson

Bib: 8458•M

IL

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 (M55-59)
#0 / 1422
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:01
Rank: #4309
Start → 5K
21:01 | 6:46/mi
10K· 6.21 mi
41:22
Rank: #3593 (+716)
5K → 10K
20:21 | 6:33/mi
15K· 9.32 mi
1:01:53
Rank: #3475 (+118)
10K → 15K
20:31 | 6:36/mi
20K· 12.43 mi
1:23:10
Rank: #3798 (-323)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:27:46
Rank: #3848 (-50)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:44:37
Rank: #4097 (-249)
Half → 25K
16:51 | 6:57/mi
30K· 18.64 mi
2:06:56
Rank: #4390 (-293)
25K → 30K
22:19 | 7:11/mi
20M
2:16:42
Rank: #4468 (-78)
30K → 20M
9:46 | 7:11/mi
21M
2:24:19
Rank: #4522 (-54)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:29:30
Rank: #4532 (-10)
21M → 35K
5:11 | 6:56/mi
23M
2:38:37
Rank: #4566 (-34)
35K → 23M
9:07 | 7:17/mi
24M
2:45:47
Rank: #4601 (-35)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
2:52:04
Rank: #4618 (-17)
24M → 40K
6:17 | 7:21/mi
25.2M
2:54:51
Rank: #4640 (-22)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:02:18
Rank: #4685 (-45)
25.2M → Finish
7:27 | 7:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:46
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:34:32
Pace7:13 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2421:016:4621:01
6:46
-
10K
6.21 mi11:06:4541:226:3920:21
6:33
-0:13
15K
9.32 mi11:27:161:01:536:3820:31
6:36
+0:03
20K
12.43 mi11:48:331:23:106:4221:17
6:51
+0:15
Half
13.11 mi11:53:091:27:466:424:36
6:45
-0:06
25K
15.53 mi12:10:001:44:376:4416:51
6:57
+0:12
30K
18.64 mi12:32:192:06:566:4922:19
7:11
+0:14
20M
20.00 mi12:42:052:16:426:509:46
7:11
0:00
21M
21.00 mi12:49:422:24:196:527:37
7:37
+0:26
35K
21.75 mi12:54:532:29:306:525:11
6:56
-0:41
23M
23.00 mi13:04:002:38:376:549:07
7:17
+0:21
24M
24.00 mi13:11:102:45:476:547:10
7:10
-0:07
40K
24.85 mi13:17:272:52:046:556:17
7:21
+0:11
25.2M
25.20 mi13:20:142:54:516:562:47
8:04
+0:43
Finish
26.22 mi13:27:413:02:186:577:27
7:19
-0:45

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

6:33 /mi

Average Pace

6:57 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:48

60% of race

Time at Steady Pace

1:02:06

34% of race

Time at Slower Pace

10:24

6% of race

Average Pace: 6:57 /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 mi10:46:2421:016:4621:01
6:46
#4309
10K
6.21 mi11:06:4541:226:3920:21
6:33
#3593
15K
9.32 mi11:27:161:01:536:3820:31
6:36
#3475
20K
12.43 mi11:48:331:23:106:4221:17
6:51
#3798
Half
13.11 mi11:53:091:27:466:424:36
6:45
#3848
25K
15.53 mi12:10:001:44:376:4416:51
6:57
#4097
30K
18.64 mi12:32:192:06:566:4922:19
7:11
#4390
20M
20.00 mi12:42:052:16:426:509:46
7:11
#4468
21M
21.00 mi12:49:422:24:196:527:37
7:37
#4522
35K
21.75 mi12:54:532:29:306:525:11
6:56
#4532
23M
23.00 mi13:04:002:38:376:549:07
7:17
#4566
24M
24.00 mi13:11:102:45:476:547:10
7:10
#4601
40K
24.85 mi13:17:272:52:046:556:17
7:21
#4618
25.2M
25.20 mi13:20:142:54:516:562:47
8:04
#4640
Finish
26.22 mi13:27:413:02:186:577:27
7:19
#4685
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi4309402740273334(Top 13%)3164(Top 21%)3164(Top 223%)
10K6.21 mi3.10 mi3593+7163391+6363391+6363134(Top 12%)2990(Top 20%)2990(Top 210%)
15K9.32 mi3.11 mi3475+1183292+993292+993334(Top 13%)3164(Top 21%)3164(Top 223%)
20K12.43 mi3.11 mi3798-3233588-2963588-2964915(Top 18%)4564(Top 30%)4564(Top 321%)
Half13.11 mi0.68 mi3848-503631-433631-434751(Top 18%)4413(Top 29%)4413(Top 310%)
25K15.53 mi2.42 mi4097-2493846-2153846-2155277(Top 20%)4864(Top 32%)4864(Top 342%)
30K18.64 mi3.11 mi4390-2934103-2574103-2575382(Top 20%)4904(Top 32%)4904(Top 345%)
20M20.00 mi1.36 mi4468-784171-684171-685032(Top 19%)4565(Top 30%)4565(Top 321%)
21M21.00 mi1.00 mi4522-544220-494220-495162(Top 19%)4587(Top 30%)4587(Top 323%)
35K21.75 mi0.75 mi4532-104226-64226-64913(Top 18%)4419(Top 29%)4419(Top 311%)
23M23.00 mi1.25 mi4566-344252-264252-265196(Top 20%)4604(Top 30%)4604(Top 324%)
24M24.00 mi1.00 mi4601-354284-324284-325533(Top 21%)4795(Top 32%)4795(Top 337%)
40K24.85 mi0.85 mi4618-174293-94293-95711(Top 21%)4827(Top 32%)4827(Top 339%)
25.2M25.20 mi0.35 mi4640-224307-144307-146810(Top 26%)5442(Top 36%)5442(Top 383%)
Finish26.22 mi1.02 mi4685-454333-264333-267166(Top 27%)5657(Top 37%)5657(Top 398%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3334

Males

3164

M55-59

3164

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3134

Males

2990

M55-59

2990

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3334

Males

3164

M55-59

3164

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4915

Males

4564

M55-59

4564

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4751

Males

4413

M55-59

4413

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5277

Males

4864

M55-59

4864

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5382

Males

4904

M55-59

4904

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5032

Males

4565

M55-59

4565

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5162

Males

4587

M55-59

4587

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4913

Males

4419

M55-59

4419

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5196

Males

4604

M55-59

4604

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5533

Males

4795

M55-59

4795

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5711

Males

4827

M55-59

4827

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6810

Males

5442

M55-59

5442

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7166

Males

5657

M55-59

5657

Passing Analysis

Category:
Athletes Passed
1332
Passed By
1708
Net Change
-376
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4309
5K → 10K74529+716#4309#3593
10K → 15K17254+118#3593#3475
15K → 20K26349-323#3475#3798
20K → Half1161-50#3798#3848
Half → 25K25274-249#3848#4097
25K → 30K47340-293#4097#4390
30K → 20M44122-78#4390#4468
20M → 21M4195-54#4468#4522
21M → 35K4050-10#4522#4532
35K → 23M5589-34#4532#4566
23M → 24M3873-35#4566#4601
24M → 40K4360-17#4601#4618
40K → 25.2M1234-22#4618#4640
25.2M → Finish3378-45#4640#4685
TOTALS13321708-376
📊

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