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BOSTON MARATHON 2023

Matthew Kellman

Bib: 7690•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:17
Rank: #14979
Start → 5K
25:17 | 8:08/mi
10K· 6.21 mi
49:41
Rank: #14356 (+623)
5K → 10K
24:24 | 7:51/mi
15K· 9.32 mi
1:14:53
Rank: #14603 (-247)
10K → 15K
25:12 | 8:07/mi
20K· 12.43 mi
1:40:05
Rank: #14514 (+89)
15K → 20K
25:12 | 8:07/mi
Half· 13.11 mi
1:45:32
Rank: #14501 (+13)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:05:27
Rank: #14474 (+27)
Half → 25K
19:55 | 8:13/mi
30K· 18.64 mi
2:32:29
Rank: #14656 (-182)
25K → 30K
27:02 | 8:42/mi
20M
2:45:42
Rank: #15126 (-470)
30K → 20M
13:13 | 9:44/mi
21M
2:56:13
Rank: #15462 (-336)
20M → 21M
10:31 | 10:31/mi
35K· 21.75 mi
3:02:22
Rank: #15391 (+71)
21M → 35K
6:09 | 8:13/mi
23M
3:13:28
Rank: #15370 (+21)
35K → 23M
11:06 | 8:52/mi
24M
3:21:48
Rank: #15266 (+104)
23M → 24M
8:20 | 8:20/mi
40K· 24.85 mi
3:29:04
Rank: #15188 (+78)
24M → 40K
7:16 | 8:30/mi
25.2M
3:32:18
Rank: #15162 (+26)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:40:58
Rank: #15172 (-10)
25.2M → Finish
8:40 | 8:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:32
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:55:26
Pace8:48 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:4625:178:0825:17
8:08
-
10K
6.21 mi10:55:1049:418:0024:24
7:51
-0:17
15K
9.32 mi11:20:221:14:538:0225:12
8:07
+0:16
20K
12.43 mi11:45:341:40:058:0325:12
8:07
0:00
Half
13.11 mi11:51:011:45:328:035:27
7:59
-0:08
25K
15.53 mi12:10:562:05:278:0519:55
8:13
+0:14
30K
18.64 mi12:37:582:32:298:1127:02
8:42
+0:29
20M
20.00 mi12:51:112:45:428:1713:13
9:44
+1:02
21M
21.00 mi13:01:422:56:138:2310:31
10:31
+0:47
35K
21.75 mi13:07:513:02:228:236:09
8:13
-2:18
23M
23.00 mi13:18:573:13:288:2511:06
8:52
+0:39
24M
24.00 mi13:27:173:21:488:258:20
8:20
-0:32
40K
24.85 mi13:34:333:29:048:257:16
8:30
+0:10
25.2M
25.20 mi13:37:473:32:188:253:14
9:23
+0:53
Finish
26.22 mi13:46:273:40:588:268:40
8:30
-0:53

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

7:51 /mi

Average Pace

8:26 /mi

Slowest Pace

10:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:24

11% of race

Time at Steady Pace

2:11:28

59% of race

Time at Slower Pace

1:05:06

29% of race

Average Pace: 8:26 /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 mi10:30:4625:178:0825:17
8:08
#14979
10K
6.21 mi10:55:1049:418:0024:24
7:51
#14356
15K
9.32 mi11:20:221:14:538:0225:12
8:07
#14603
20K
12.43 mi11:45:341:40:058:0325:12
8:07
#14514
Half
13.11 mi11:51:011:45:328:035:27
7:59
#14501
25K
15.53 mi12:10:562:05:278:0519:55
8:13
#14474
30K
18.64 mi12:37:582:32:298:1127:02
8:42
#14656
20M
20.00 mi12:51:112:45:428:1713:13
9:44
#15126
21M
21.00 mi13:01:422:56:138:2310:31
10:31
#15462
35K
21.75 mi13:07:513:02:228:236:09
8:13
#15391
23M
23.00 mi13:18:573:13:288:2511:06
8:52
#15370
24M
24.00 mi13:27:173:21:488:258:20
8:20
#15266
40K
24.85 mi13:34:333:29:048:257:16
8:30
#15188
25.2M
25.20 mi13:37:473:32:188:253:14
9:23
#15162
Finish
26.22 mi13:46:273:40:588:268:40
8:30
#15172
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14979103321033215232(Top 57%)10400(Top 69%)10400(Top 731%)
10K6.21 mi3.10 mi14356+62310077+25510077+25513587(Top 51%)9788(Top 64%)9788(Top 688%)
15K9.32 mi3.11 mi14603-24710170-9310170-9315232(Top 57%)10400(Top 69%)10400(Top 731%)
20K12.43 mi3.11 mi14514+8910120+5010120+5014285(Top 54%)9991(Top 66%)9991(Top 703%)
Half13.11 mi0.68 mi14501+1310114+610114+614235(Top 53%)10007(Top 66%)10007(Top 704%)
25K15.53 mi2.42 mi14474+2710070+4410070+4414327(Top 54%)9907(Top 65%)9907(Top 697%)
30K18.64 mi3.11 mi14656-18210108-3810108-3815511(Top 58%)10265(Top 68%)10265(Top 722%)
20M20.00 mi1.36 mi15126-47010253-14510253-14519613(Top 74%)11944(Top 79%)11944(Top 840%)
21M21.00 mi1.00 mi15462-33610344-9110344-9119628(Top 74%)11885(Top 78%)11885(Top 836%)
35K21.75 mi0.75 mi15391+7110307+3710307+3713570(Top 51%)9230(Top 61%)9230(Top 649%)
23M23.00 mi1.25 mi15370+2110274+3310274+3315336(Top 58%)9952(Top 66%)9952(Top 700%)
24M24.00 mi1.00 mi15266+10410224+5010224+5013423(Top 50%)9065(Top 60%)9065(Top 637%)
40K24.85 mi0.85 mi15188+7810183+4110183+4113313(Top 50%)8931(Top 59%)8931(Top 628%)
25.2M25.20 mi0.35 mi15162+2610158+2510158+2514519(Top 55%)9475(Top 62%)9475(Top 666%)
Finish26.22 mi1.02 mi15172-1010140+1810140+1815435(Top 58%)9920(Top 65%)9920(Top 698%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

15232

Males

10400

M55-59

10400

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13587

Males

9788

M55-59

9788

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

15232

Males

10400

M55-59

10400

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14285

Males

9991

M55-59

9991

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14235

Males

10007

M55-59

10007

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14327

Males

9907

M55-59

9907

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15511

Males

10265

M55-59

10265

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19613

Males

11944

M55-59

11944

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19628

Males

11885

M55-59

11885

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13570

Males

9230

M55-59

9230

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15336

Males

9952

M55-59

9952

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

13423

Males

9065

M55-59

9065

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13313

Males

8931

M55-59

8931

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14519

Males

9475

M55-59

9475

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15435

Males

9920

M55-59

9920

Passing Analysis

Category:
Athletes Passed
1928
Passed By
2121
Net Change
-193
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14979
5K → 10K71693+623#14979#14356
10K → 15K114361-247#14356#14603
15K → 20K233144+89#14603#14514
20K → Half3421+13#14514#14501
Half → 25K155128+27#14501#14474
25K → 30K115297-182#14474#14656
30K → 20M17487-470#14656#15126
20M → 21M25361-336#15126#15462
21M → 35K8615+71#15462#15391
35K → 23M9473+21#15391#15370
23M → 24M12622+104#15370#15266
24M → 40K9719+78#15266#15188
40K → 25.2M5125+26#15188#15162
25.2M → Finish6575-10#15162#15172
TOTALS19282121-193
📊

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