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BOSTON MARATHON 2023

Warren Klaine

Bib: 5938•M

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Division (M18-39)
#0 / 5285
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:20
Rank: #5249
Start → 5K
21:20 | 6:52/mi
10K· 6.21 mi
42:39
Rank: #5516 (-267)
5K → 10K
21:20 | 6:52/mi
15K· 9.32 mi
1:03:35
Rank: #5188 (+328)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:24:45
Rank: #5013 (+175)
15K → 20K
21:10 | 6:49/mi
Half· 13.11 mi
1:29:20
Rank: #4983 (+30)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:41
Rank: #4730 (+253)
Half → 25K
16:21 | 6:45/mi
30K· 18.64 mi
2:07:06
Rank: #4460 (+270)
25K → 30K
21:25 | 6:54/mi
20M
2:16:32
Rank: #4386 (+74)
30K → 20M
9:26 | 6:57/mi
21M
2:23:44
Rank: #4255 (+131)
20M → 21M
7:12 | 7:12/mi
35K· 21.75 mi
2:28:27
Rank: #4105 (+150)
21M → 35K
4:43 | 6:18/mi
23M
2:36:55
Rank: #3949 (+156)
35K → 23M
8:28 | 6:46/mi
24M
2:43:31
Rank: #3842 (+107)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:49:11
Rank: #3712 (+130)
24M → 40K
5:40 | 6:38/mi
25.2M
2:51:31
Rank: #3623 (+89)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:57:36
Rank: #3359 (+264)
25.2M → Finish
6:05 | 5:58/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:29:20
Pace6:49 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:16
Pace6:44 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5621:206:5221:20
6:52
-
10K
6.21 mi10:45:1542:396:5221:20
6:52
0:00
15K
9.32 mi11:06:111:03:356:4920:56
6:44
-0:08
20K
12.43 mi11:27:211:24:456:4921:10
6:49
+0:05
Half
13.11 mi11:31:561:29:206:494:35
6:43
-0:06
25K
15.53 mi11:48:171:45:416:4816:21
6:45
+0:02
30K
18.64 mi12:09:422:07:066:4921:25
6:54
+0:09
20M
20.00 mi12:19:082:16:326:509:26
6:57
+0:03
21M
21.00 mi12:26:202:23:446:517:12
7:12
+0:15
35K
21.75 mi12:31:032:28:276:504:43
6:18
-0:54
23M
23.00 mi12:39:312:36:556:498:28
6:46
+0:28
24M
24.00 mi12:46:072:43:316:496:36
6:36
-0:10
40K
24.85 mi12:51:472:49:116:485:40
6:38
+0:02
25.2M
25.20 mi12:54:072:51:316:482:20
6:46
+0:08
Finish
26.22 mi13:00:122:57:366:476:05
5:58
-0:48

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

5:58 /mi

Average Pace

6:47 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:24

10% of race

Time at Steady Pace

2:23:34

81% of race

Time at Slower Pace

16:38

9% of race

Average Pace: 6:46 /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 mi10:23:5621:206:5221:20
6:52
#5249
10K
6.21 mi10:45:1542:396:5221:20
6:52
#5516
15K
9.32 mi11:06:111:03:356:4920:56
6:44
#5188
20K
12.43 mi11:27:211:24:456:4921:10
6:49
#5013
Half
13.11 mi11:31:561:29:206:494:35
6:43
#4983
25K
15.53 mi11:48:171:45:416:4816:21
6:45
#4730
30K
18.64 mi12:09:422:07:066:4921:25
6:54
#4460
20M
20.00 mi12:19:082:16:326:509:26
6:57
#4386
21M
21.00 mi12:26:202:23:446:517:12
7:12
#4255
35K
21.75 mi12:31:032:28:276:504:43
6:18
#4105
23M
23.00 mi12:39:312:36:556:498:28
6:46
#3949
24M
24.00 mi12:46:072:43:316:496:36
6:36
#3842
40K
24.85 mi12:51:472:49:116:485:40
6:38
#3712
25.2M
25.20 mi12:54:072:51:316:482:20
6:46
#3623
Finish
26.22 mi13:00:122:57:366:476:05
5:58
#3359
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5249485648564472(Top 17%)4176(Top 28%)4176(Top 79%)
10K6.21 mi3.10 mi5516-2675087-2315087-2315863(Top 22%)5349(Top 35%)5349(Top 101%)
15K9.32 mi3.11 mi5188+3284807+2804807+2804472(Top 17%)4176(Top 28%)4176(Top 79%)
20K12.43 mi3.11 mi5013+1754659+1484659+1484536(Top 17%)4225(Top 28%)4225(Top 80%)
Half13.11 mi0.68 mi4983+304632+274632+274435(Top 17%)4127(Top 27%)4127(Top 78%)
25K15.53 mi2.42 mi4730+2534405+2274405+2273687(Top 14%)3472(Top 23%)3472(Top 66%)
30K18.64 mi3.11 mi4460+2704167+2384167+2383607(Top 14%)3387(Top 22%)3387(Top 64%)
20M20.00 mi1.36 mi4386+744095+724095+723654(Top 14%)3406(Top 22%)3406(Top 64%)
21M21.00 mi1.00 mi4255+1313980+1153980+1153094(Top 12%)2898(Top 19%)2898(Top 55%)
35K21.75 mi0.75 mi4105+1503845+1353845+1351623(Top 6%)1543(Top 10%)1543(Top 29%)
23M23.00 mi1.25 mi3949+1563706+1393706+1392463(Top 9%)2315(Top 15%)2315(Top 44%)
24M24.00 mi1.00 mi3842+1073609+973609+972574(Top 10%)2402(Top 16%)2402(Top 45%)
40K24.85 mi0.85 mi3712+1303489+1203489+1202049(Top 8%)1919(Top 13%)1919(Top 36%)
25.2M25.20 mi0.35 mi3623+893411+783411+781109(Top 4%)1056(Top 7%)1056(Top 20%)
Finish26.22 mi1.02 mi3359+2643171+2403171+240671(Top 3%)640(Top 4%)640(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4472

Males

4176

M18-39

4176

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5863

Males

5349

M18-39

5349

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4472

Males

4176

M18-39

4176

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4536

Males

4225

M18-39

4225

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4435

Males

4127

M18-39

4127

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3687

Males

3472

M18-39

3472

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3607

Males

3387

M18-39

3387

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3654

Males

3406

M18-39

3406

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3094

Males

2898

M18-39

2898

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1623

Males

1543

M18-39

1543

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2463

Males

2315

M18-39

2315

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2574

Males

2402

M18-39

2402

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2049

Males

1919

M18-39

1919

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1109

Males

1056

M18-39

1056

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

671

Males

640

M18-39

640

Passing Analysis

Category:
Athletes Passed
2402
Passed By
512
Net Change
+1890
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5249
5K → 10K102369-267#5249#5516
10K → 15K34820+328#5516#5188
15K → 20K20631+175#5188#5013
20K → Half388+30#5013#4983
Half → 25K2607+253#4983#4730
25K → 30K28919+270#4730#4460
30K → 20M10531+74#4460#4386
20M → 21M14413+131#4386#4255
21M → 35K1500+150#4255#4105
35K → 23M1648+156#4105#3949
23M → 24M1103+107#3949#3842
24M → 40K1333+130#3842#3712
40K → 25.2M890+89#3712#3623
25.2M → Finish2640+264#3623#3359
TOTALS2402512+1890
📊

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