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BOSTON MARATHON 2023

David Haverty

Bib: 26646•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:32
Rank: #13206
Start → 5K
7:54/mi
24:32 split
10K· 6.21 mi
49:49
Rank: #14504 (-1298)
5K → 10K
8:08/mi
25:17 split
15K· 9.32 mi
1:16:17
Rank: #15704 (-1200)
10K → 15K
8:31/mi
26:28 split
20K· 12.43 mi
1:42:53
Rank: #16111 (-407)
15K → 20K
8:34/mi
26:36 split
Half· 13.11 mi
1:48:43
Rank: #16235 (-124)
20K → Half
8:33/mi
5:50 split
25K· 15.53 mi
2:09:50
Rank: #16458 (-223)
Half → 25K
8:43/mi
21:07 split
30K· 18.64 mi
2:37:11
Rank: #16363 (+95)
25K → 30K
8:48/mi
27:21 split
20M
2:49:19
Rank: #16318 (+45)
30K → 20M
8:56/mi
12:08 split
21M
2:58:37
Rank: #16232 (+86)
20M → 21M
9:18/mi
9:18 split
35K· 21.75 mi
3:05:02
Rank: #16196 (+36)
21M → 35K
8:35/mi
6:25 split
23M
3:16:43
Rank: #16296 (-100)
35K → 23M
9:20/mi
11:41 split
24M
3:26:03
Rank: #16423 (-127)
23M → 24M
9:20/mi
9:20 split
40K· 24.85 mi
3:34:25
Rank: #16561 (-138)
24M → 40K
9:47/mi
8:22 split
25.2M
3:38:00
Rank: #16606 (-45)
40K → 25.2M
10:23/mi
3:35 split
Finish· 26.22 mi
3:47:54
Rank: #16828 (-222)
25.2M → Finish
9:43/mi
9:54 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:43
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:59:11
Pace9:06 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:4524:327:5424:32
7:54
-
10K
6.21 mi12:06:0249:498:0125:17
8:08
+0:14
15K
9.32 mi12:32:301:16:178:1126:28
8:31
+0:23
20K
12.43 mi12:59:061:42:538:1726:36
8:34
+0:03
Half
13.11 mi13:04:561:48:438:185:50
8:33
-0:01
25K
15.53 mi13:26:032:09:508:2121:07
8:43
+0:10
30K
18.64 mi13:53:242:37:118:2627:21
8:48
+0:05
20M
20.00 mi14:05:322:49:198:2812:08
8:56
+0:08
21M
21.00 mi14:14:502:58:378:309:18
9:18
+0:22
35K
21.75 mi14:21:153:05:028:306:25
8:35
-0:43
23M
23.00 mi14:32:563:16:438:3311:41
9:20
+0:45
24M
24.00 mi14:42:163:26:038:359:20
9:20
0:00
40K
24.85 mi14:50:383:34:258:388:22
9:47
+0:27
25.2M
25.20 mi14:54:133:38:008:393:35
10:23
+0:36
Finish
26.22 mi15:04:073:47:548:429:54
9:43
-0:40

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

7:54 /mi

Average Pace

8:42 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:49

22% of race

Time at Steady Pace

2:05:55

55% of race

Time at Slower Pace

52:10

23% of race

Average Pace: 8:42 /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 mi11:40:4524:327:5424:32
7:54
#13206
10K
6.21 mi12:06:0249:498:0125:17
8:08
#14504
15K
9.32 mi12:32:301:16:178:1126:28
8:31
#15704
20K
12.43 mi12:59:061:42:538:1726:36
8:34
#16111
Half
13.11 mi13:04:561:48:438:185:50
8:33
#16235
25K
15.53 mi13:26:032:09:508:2121:07
8:43
#16458
30K
18.64 mi13:53:242:37:118:2627:21
8:48
#16363
20M
20.00 mi14:05:322:49:198:2812:08
8:56
#16318
21M
21.00 mi14:14:502:58:378:309:18
9:18
#16232
35K
21.75 mi14:21:153:05:028:306:25
8:35
#16196
23M
23.00 mi14:32:563:16:438:3311:41
9:20
#16296
24M
24.00 mi14:42:163:26:038:359:20
9:20
#16423
40K
24.85 mi14:50:383:34:258:388:22
9:47
#16561
25.2M
25.20 mi14:54:133:38:008:393:35
10:23
#16606
Finish
26.22 mi15:04:073:47:548:429:54
9:43
#16828
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi132069633963317926(Top 67%)11453(Top 75%)11453(Top 217%)
10K6.21 mi3.10 mi14504-129810142-50910142-50915788(Top 59%)10633(Top 70%)10633(Top 201%)
15K9.32 mi3.11 mi15704-120010585-44310585-44317926(Top 67%)11453(Top 75%)11453(Top 217%)
20K12.43 mi3.11 mi16111-40710718-13310718-13317235(Top 65%)11149(Top 73%)11149(Top 211%)
Half13.11 mi0.68 mi16235-12410767-4910767-4917940(Top 67%)11462(Top 76%)11462(Top 217%)
25K15.53 mi2.42 mi16458-22310824-5710824-5717414(Top 65%)11159(Top 74%)11159(Top 211%)
30K18.64 mi3.11 mi16363+9510738+8610738+8616081(Top 60%)10514(Top 69%)10514(Top 199%)
20M20.00 mi1.36 mi16318+4510702+3610702+3616152(Top 61%)10475(Top 69%)10475(Top 198%)
21M21.00 mi1.00 mi16232+8610655+4710655+4714966(Top 56%)9919(Top 65%)9919(Top 188%)
35K21.75 mi0.75 mi16196+3610624+3110624+3115711(Top 59%)10166(Top 67%)10166(Top 192%)
23M23.00 mi1.25 mi16296-10010663-3910663-3917649(Top 66%)10965(Top 72%)10965(Top 207%)
24M24.00 mi1.00 mi16423-12710697-3410697-3418583(Top 70%)11344(Top 75%)11344(Top 215%)
40K24.85 mi0.85 mi16561-13810737-4010737-4019332(Top 73%)11631(Top 77%)11631(Top 220%)
25.2M25.20 mi0.35 mi16606-4510753-1610753-1618714(Top 70%)11342(Top 75%)11342(Top 215%)
Finish26.22 mi1.02 mi16828-22210832-7910832-7920826(Top 78%)12325(Top 81%)12325(Top 233%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17926

Males

11453

M18-39

11453

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15788

Males

10633

M18-39

10633

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17926

Males

11453

M18-39

11453

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17235

Males

11149

M18-39

11149

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

17940

Males

11462

M18-39

11462

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

17414

Males

11159

M18-39

11159

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16081

Males

10514

M18-39

10514

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16152

Males

10475

M18-39

10475

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14966

Males

9919

M18-39

9919

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15711

Males

10166

M18-39

10166

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

17649

Males

10965

M18-39

10965

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

18583

Males

11344

M18-39

11344

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19332

Males

11631

M18-39

11631

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18714

Males

11342

M18-39

11342

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20826

Males

12325

M18-39

12325

Passing Analysis

Category:
Athletes Passed
881
Passed By
4503
Net Change
-3622
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13206
5K → 10K261324-1298#13206#14504
10K → 15K151215-1200#14504#15704
15K → 20K72479-407#15704#16111
20K → Half15139-124#16111#16235
Half → 25K73296-223#16235#16458
25K → 30K228133+95#16458#16363
30K → 20M10459+45#16363#16318
20M → 21M12438+86#16318#16232
21M → 35K6630+36#16232#16196
35K → 23M48148-100#16196#16296
23M → 24M38165-127#16296#16423
24M → 40K30168-138#16423#16561
40K → 25.2M1964-45#16561#16606
25.2M → Finish23245-222#16606#16828
TOTALS8814503-3622
📊

Passing Visuals

Category:
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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