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BOSTON MARATHON 2023

Matthew Klundt

Bib: 568•M

TX

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:36
Rank: #236
Start → 5K
17:36 | 5:40/mi
10K· 6.21 mi
35:16
Rank: #265 (-29)
5K → 10K
17:40 | 5:41/mi
15K· 9.32 mi
53:02
Rank: #269 (-4)
10K → 15K
17:46 | 5:43/mi
20K· 12.43 mi
1:10:59
Rank: #266 (+3)
15K → 20K
17:57 | 5:47/mi
Half· 13.11 mi
1:14:53
Rank: #268 (-2)
20K → Half
3:54 | 5:43/mi
25K· 15.53 mi
1:28:51
Rank: #261 (+7)
Half → 25K
13:58 | 5:46/mi
30K· 18.64 mi
1:47:25
Rank: #271 (-10)
25K → 30K
18:34 | 5:59/mi
20M
1:55:43
Rank: #282 (-11)
30K → 20M
8:18 | 6:06/mi
21M
2:02:27
Rank: #298 (-16)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:06:58
Rank: #306 (-8)
21M → 35K
4:31 | 6:02/mi
23M
2:15:16
Rank: #330 (-24)
35K → 23M
8:18 | 6:38/mi
24M
2:21:58
Rank: #366 (-36)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:27:51
Rank: #402 (-36)
24M → 40K
5:53 | 6:53/mi
25.2M
2:30:23
Rank: #412 (-10)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:37:01
Rank: #435 (-23)
25.2M → Finish
6:38 | 6:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:53
Pace5:43 /mi
2nd Half
Distance13.11 mi
Time1:22:08
Pace6:16 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:3817:365:4017:36
5:40
-
10K
6.21 mi10:35:1835:165:4117:40
5:41
+0:01
15K
9.32 mi10:53:0453:025:4117:46
5:43
+0:02
20K
12.43 mi11:11:011:10:595:4317:57
5:47
+0:04
Half
13.11 mi11:14:551:14:535:433:54
5:43
-0:04
25K
15.53 mi11:28:531:28:515:4313:58
5:46
+0:03
30K
18.64 mi11:47:271:47:255:4618:34
5:59
+0:13
20M
20.00 mi11:55:451:55:435:478:18
6:06
+0:07
21M
21.00 mi12:02:292:02:275:506:44
6:44
+0:38
35K
21.75 mi12:07:002:06:585:504:31
6:02
-0:42
23M
23.00 mi12:15:182:15:165:538:18
6:38
+0:36
24M
24.00 mi12:22:002:21:585:556:42
6:42
+0:04
40K
24.85 mi12:27:532:27:515:575:53
6:53
+0:11
25.2M
25.20 mi12:30:252:30:235:582:32
7:21
+0:28
Finish
26.22 mi12:37:032:37:016:006:38
6:31
-0:50

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

5:40 /mi

Average Pace

6:00 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:54

45% of race

Time at Steady Pace

49:20

31% of race

Time at Slower Pace

36:47

23% of race

Average Pace: 5:59 /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 mi10:17:3817:365:4017:36
5:40
#236
10K
6.21 mi10:35:1835:165:4117:40
5:41
#265
15K
9.32 mi10:53:0453:025:4117:46
5:43
#269
20K
12.43 mi11:11:011:10:595:4317:57
5:47
#266
Half
13.11 mi11:14:551:14:535:433:54
5:43
#268
25K
15.53 mi11:28:531:28:515:4313:58
5:46
#261
30K
18.64 mi11:47:271:47:255:4618:34
5:59
#271
20M
20.00 mi11:55:451:55:435:478:18
6:06
#282
21M
21.00 mi12:02:292:02:275:506:44
6:44
#298
35K
21.75 mi12:07:002:06:585:504:31
6:02
#306
23M
23.00 mi12:15:182:15:165:538:18
6:38
#330
24M
24.00 mi12:22:002:21:585:556:42
6:42
#366
40K
24.85 mi12:27:532:27:515:575:53
6:53
#402
25.2M
25.20 mi12:30:252:30:235:582:32
7:21
#412
Finish
26.22 mi12:37:032:37:016:006:38
6:31
#435
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi236236236270(Top 1%)240(Top 2%)240(Top 5%)
10K6.21 mi3.10 mi265-29238-2238-2289(Top 1%)259(Top 2%)259(Top 5%)
15K9.32 mi3.11 mi269-4241-3241-3270(Top 1%)240(Top 2%)240(Top 5%)
20K12.43 mi3.11 mi266+3238+3238+3274(Top 1%)246(Top 2%)246(Top 5%)
Half13.11 mi0.68 mi268-2240-2240-2303(Top 1%)279(Top 2%)279(Top 5%)
25K15.53 mi2.42 mi261+7233+7233+7227(Top 0.9%)204(Top 1%)204(Top 4%)
30K18.64 mi3.11 mi271-10243-10243-10359(Top 1%)332(Top 2%)332(Top 6%)
20M20.00 mi1.36 mi282-11252-9252-9490(Top 2%)456(Top 3%)456(Top 9%)
21M21.00 mi1.00 mi298-16267-15267-151173(Top 4%)1115(Top 7%)1115(Top 21%)
35K21.75 mi0.75 mi306-8275-8275-8748(Top 3%)707(Top 5%)707(Top 13%)
23M23.00 mi1.25 mi330-24299-24299-241863(Top 7%)1765(Top 12%)1765(Top 33%)
24M24.00 mi1.00 mi366-36334-35334-353070(Top 12%)2845(Top 19%)2845(Top 54%)
40K24.85 mi0.85 mi402-36368-34368-343172(Top 12%)2902(Top 19%)2902(Top 55%)
25.2M25.20 mi0.35 mi412-10377-9377-93059(Top 11%)2782(Top 18%)2782(Top 53%)
Finish26.22 mi1.02 mi435-23400-23400-232495(Top 9%)2289(Top 15%)2289(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

270

Males

240

M18-39

240

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

289

Males

259

M18-39

259

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

270

Males

240

M18-39

240

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

274

Males

246

M18-39

246

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

303

Males

279

M18-39

279

Half→25K

13.1 - 15.5 mi

Top 0.9%
×4stories
+66ft-88ft

Overall

227

Males

204

M18-39

204

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

359

Males

332

M18-39

332

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

490

Males

456

M18-39

456

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1173

Males

1115

M18-39

1115

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

748

Males

707

M18-39

707

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1863

Males

1765

M18-39

1765

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3070

Males

2845

M18-39

2845

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3172

Males

2902

M18-39

2902

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3059

Males

2782

M18-39

2782

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2495

Males

2289

M18-39

2289

Passing Analysis

Category:
Athletes Passed
76
Passed By
275
Net Change
-199
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#236
5K → 10K1746-29#236#265
10K → 15K59-4#265#269
15K → 20K107+3#269#266
20K → Half02-2#266#268
Half → 25K136+7#268#261
25K → 30K1121-10#261#271
30K → 20M112-11#271#282
20M → 21M420-16#282#298
21M → 35K08-8#298#306
35K → 23M428-24#306#330
23M → 24M036-36#330#366
24M → 40K440-36#366#402
40K → 25.2M414-10#402#412
25.2M → Finish326-23#412#435
TOTALS76275-199
📊

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