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BOSTON MARATHON 2023

David Krakauer

Bib: 26824•M

MA

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
30:50
Rank: #23265
Start → 5K
30:50 | 9:55/mi
10K· 6.21 mi
1:00:10
Rank: #22841 (+424)
5K → 10K
29:20 | 9:26/mi
15K· 9.32 mi
1:30:40
Rank: #22958 (-117)
10K → 15K
30:30 | 9:49/mi
20K· 12.43 mi
2:04:00
Rank: #23375 (-417)
15K → 20K
33:20 | 10:44/mi
Half· 13.11 mi
2:11:06
Rank: #23411 (-36)
20K → Half
7:06 | 10:24/mi
25K· 15.53 mi
2:39:19
Rank: #23691 (-280)
Half → 25K
28:13 | 11:38/mi
30K· 18.64 mi
3:20:18
Rank: #24251 (-560)
25K → 30K
40:59 | 13:11/mi
20M
3:40:51
Rank: #24593 (-342)
30K → 20M
20:33 | 15:07/mi
21M
3:57:31
Rank: #24830 (-237)
20M → 21M
16:40 | 16:40/mi
35K· 21.75 mi
4:08:11
Rank: #24958 (-128)
21M → 35K
10:40 | 14:15/mi
23M
4:31:50
Rank: #25346 (-388)
35K → 23M
23:39 | 18:53/mi
24M
4:44:51
Rank: #25358 (-12)
23M → 24M
13:01 | 13:01/mi
40K· 24.85 mi
5:00:44
Rank: #25528 (-170)
24M → 40K
15:53 | 18:35/mi
25.2M
5:06:15
Rank: #25541 (-13)
40K → 25.2M
5:31 | 16:00/mi
Finish· 26.22 mi
5:20:47
Rank: #25621 (-80)
25.2M → Finish
14:32 | 14:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:06
Pace10:00 /mi
2nd Half
Distance13.11 mi
Time3:09:41
Pace14:28 /mi
📊Positive Split: 44.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3230:509:5530:50
9:55
-
10K
6.21 mi12:17:521:00:109:4129:20
9:26
-0:29
15K
9.32 mi12:48:221:30:409:4430:30
9:49
+0:23
20K
12.43 mi13:21:422:04:009:5933:20
10:44
+0:55
Half
13.11 mi13:28:482:11:0610:007:06
10:24
-0:20
25K
15.53 mi13:57:012:39:1910:1528:13
11:38
+1:14
30K
18.64 mi14:38:003:20:1810:4540:59
13:11
+1:33
20M
20.00 mi14:58:333:40:5111:0320:33
15:07
+1:56
21M
21.00 mi15:15:133:57:3111:1916:40
16:40
+1:33
35K
21.75 mi15:25:534:08:1111:2510:40
14:15
-2:25
23M
23.00 mi15:49:324:31:5011:4923:39
18:53
+4:38
24M
24.00 mi16:02:334:44:5111:5213:01
13:01
-5:52
40K
24.85 mi16:18:265:00:4412:0615:53
18:35
+5:34
25.2M
25.20 mi16:23:575:06:1512:095:31
16:00
-2:35
Finish
26.22 mi16:38:295:20:4712:1514:32
14:16
-1:44

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

9:26 /mi

Average Pace

12:15 /mi

Slowest Pace

18:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:19

50% of race

Time at Steady Pace

1:19:12

25% of race

Time at Slower Pace

1:22:16

26% of race

Average Pace: 12:14 /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 mi11:48:3230:509:5530:50
9:55
#23265
10K
6.21 mi12:17:521:00:109:4129:20
9:26
#22841
15K
9.32 mi12:48:221:30:409:4430:30
9:49
#22958
20K
12.43 mi13:21:422:04:009:5933:20
10:44
#23375
Half
13.11 mi13:28:482:11:0610:007:06
10:24
#23411
25K
15.53 mi13:57:012:39:1910:1528:13
11:38
#23691
30K
18.64 mi14:38:003:20:1810:4540:59
13:11
#24251
20M
20.00 mi14:58:333:40:5111:0320:33
15:07
#24593
21M
21.00 mi15:15:133:57:3111:1916:40
16:40
#24830
35K
21.75 mi15:25:534:08:1111:2510:40
14:15
#24958
23M
23.00 mi15:49:324:31:5011:4923:39
18:53
#25346
24M
24.00 mi16:02:334:44:5111:5213:01
13:01
#25358
40K
24.85 mi16:18:265:00:4412:0615:53
18:35
#25528
25.2M
25.20 mi16:23:575:06:1512:095:31
16:00
#25541
Finish
26.22 mi16:38:295:20:4712:1514:32
14:16
#25621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi23265137161371623088(Top 87%)13677(Top 90%)13677(Top 962%)
10K6.21 mi3.10 mi22841+42413551+16513551+16522337(Top 84%)13315(Top 88%)13315(Top 936%)
15K9.32 mi3.11 mi22958-11713604-5313604-5323088(Top 87%)13677(Top 90%)13677(Top 962%)
20K12.43 mi3.11 mi23375-41713813-20913813-20924217(Top 91%)14154(Top 93%)14154(Top 995%)
Half13.11 mi0.68 mi23411-3613831-1813831-1824031(Top 90%)14087(Top 93%)14087(Top 991%)
25K15.53 mi2.42 mi23691-28013939-10813939-10824835(Top 93%)14394(Top 95%)14394(Top 1012%)
30K18.64 mi3.11 mi24251-56014156-21714156-21725560(Top 96%)14664(Top 97%)14664(Top 1031%)
20M20.00 mi1.36 mi24593-34214305-14914305-14926329(Top 99%)15012(Top 99%)15012(Top 1056%)
21M21.00 mi1.00 mi24830-23714407-10214407-10226381(Top 99%)15048(Top 99%)15048(Top 1058%)
35K21.75 mi0.75 mi24958-12814448-4114448-4126208(Top 98%)14953(Top 99%)14953(Top 1052%)
23M23.00 mi1.25 mi25346-38814617-16914617-16926599(Top 100%)15161(Top 100%)15161(Top 1066%)
24M24.00 mi1.00 mi25358-1214616+114616+125483(Top 96%)14542(Top 96%)14542(Top 1023%)
40K24.85 mi0.85 mi25528-17014687-7114687-7126586(Top 100%)15154(Top 100%)15154(Top 1066%)
25.2M25.20 mi0.35 mi25541-1314692-514692-526111(Top 98%)14870(Top 98%)14870(Top 1046%)
Finish26.22 mi1.02 mi25621-8014732-4014732-4026409(Top 99%)15035(Top 99%)15035(Top 1057%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23088

Males

13677

M55-59

13677

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22337

Males

13315

M55-59

13315

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23088

Males

13677

M55-59

13677

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

24217

Males

14154

M55-59

14154

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

24031

Males

14087

M55-59

14087

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

24835

Males

14394

M55-59

14394

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

25560

Males

14664

M55-59

14664

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

26329

Males

15012

M55-59

15012

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

26381

Males

15048

M55-59

15048

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

26208

Males

14953

M55-59

14953

35K→23M

21.8 - 23.0 mi

Top 100%
×5stories
+23ft-63ft

Overall

26599

Males

15161

M55-59

15161

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

25483

Males

14542

M55-59

14542

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

26586

Males

15154

M55-59

15154

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26111

Males

14870

M55-59

14870

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

26409

Males

15035

M55-59

15035

Passing Analysis

Category:
Athletes Passed
727
Passed By
3083
Net Change
-2356
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23265
5K → 10K50177+424#23265#22841
10K → 15K113230-117#22841#22958
15K → 20K28445-417#22958#23375
20K → Half1147-36#23375#23411
Half → 25K21301-280#23411#23691
25K → 30K16576-560#23691#24251
30K → 20M5347-342#24251#24593
20M → 21M2239-237#24593#24830
21M → 35K4132-128#24830#24958
35K → 23M0388-388#24958#25346
23M → 24M2032-12#25346#25358
24M → 40K1171-170#25358#25528
40K → 25.2M417-13#25528#25541
25.2M → Finish181-80#25541#25621
TOTALS7273083-2356
📊

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