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BOSTON MARATHON 2023

David Krall

Bib: 811•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Masters (Masters Men)
#0 / 9891
Top 0.7%
Division (M40-44)
#0 / 2241
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:25
Rank: #581
Start → 5K
18:25 | 5:56/mi
10K· 6.21 mi
36:50
Rank: #601 (-20)
5K → 10K
18:25 | 5:56/mi
15K· 9.32 mi
55:29
Rank: #623 (-22)
10K → 15K
18:39 | 6:00/mi
20K· 12.43 mi
1:14:10
Rank: #610 (+13)
15K → 20K
18:41 | 6:01/mi
Half· 13.11 mi
1:18:14
Rank: #615 (-5)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:33:02
Rank: #617 (-2)
Half → 25K
14:48 | 6:06/mi
30K· 18.64 mi
1:52:04
Rank: #593 (+24)
25K → 30K
19:02 | 6:08/mi
20M
2:00:26
Rank: #584 (+9)
30K → 20M
8:22 | 6:09/mi
21M
2:06:58
Rank: #584
20M → 21M
6:32 | 6:32/mi
35K· 21.75 mi
2:11:25
Rank: #581 (+3)
21M → 35K
4:27 | 5:57/mi
23M
2:19:04
Rank: #564 (+17)
35K → 23M
7:39 | 6:07/mi
24M
2:25:05
Rank: #557 (+7)
23M → 24M
6:01 | 6:01/mi
40K· 24.85 mi
2:30:24
Rank: #557
24M → 40K
5:19 | 6:13/mi
25.2M
2:32:40
Rank: #553 (+4)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:38:41
Rank: #547 (+6)
25.2M → Finish
6:01 | 5:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:14
Pace5:58 /mi
2nd Half
Distance13.11 mi
Time1:20:27
Pace6:08 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3218:255:5618:25
5:56
-
10K
6.21 mi10:36:5736:505:5618:25
5:56
0:00
15K
9.32 mi10:55:3655:295:5718:39
6:00
+0:04
20K
12.43 mi11:14:171:14:105:5818:41
6:01
+0:01
Half
13.11 mi11:18:211:18:145:584:04
5:58
-0:03
25K
15.53 mi11:33:091:33:025:5914:48
6:06
+0:08
30K
18.64 mi11:52:111:52:046:0119:02
6:08
+0:02
20M
20.00 mi12:00:332:00:266:018:22
6:09
+0:01
21M
21.00 mi12:07:052:06:586:036:32
6:32
+0:23
35K
21.75 mi12:11:322:11:256:034:27
5:57
-0:35
23M
23.00 mi12:19:112:19:046:037:39
6:07
+0:10
24M
24.00 mi12:25:122:25:056:036:01
6:01
-0:06
40K
24.85 mi12:30:312:30:246:035:19
6:13
+0:12
25.2M
25.20 mi12:32:472:32:406:032:16
6:34
+0:21
Finish
26.22 mi12:38:482:38:416:036:01
5:54
-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

5:54 /mi

Average Pace

6:03 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:53

94% of race

Time at Steady Pace

8:48

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:03 /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 mi10:18:3218:255:5618:25
5:56
#581
10K
6.21 mi10:36:5736:505:5618:25
5:56
#601
15K
9.32 mi10:55:3655:295:5718:39
6:00
#623
20K
12.43 mi11:14:171:14:105:5818:41
6:01
#610
Half
13.11 mi11:18:211:18:145:584:04
5:58
#615
25K
15.53 mi11:33:091:33:025:5914:48
6:06
#617
30K
18.64 mi11:52:111:52:046:0119:02
6:08
#593
20M
20.00 mi12:00:332:00:266:018:22
6:09
#584
21M
21.00 mi12:07:052:06:586:036:32
6:32
#584
35K
21.75 mi12:11:322:11:256:034:27
5:57
#581
23M
23.00 mi12:19:112:19:046:037:39
6:07
#564
24M
24.00 mi12:25:122:25:056:036:01
6:01
#557
40K
24.85 mi12:30:312:30:246:035:19
6:13
#557
25.2M
25.20 mi12:32:472:32:406:032:16
6:34
#553
Finish
26.22 mi12:38:482:38:416:036:01
5:54
#547
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi581538538715(Top 3%)672(Top 4%)672(Top 30%)
10K6.21 mi3.10 mi601-20559-21559-21633(Top 2%)590(Top 4%)590(Top 26%)
15K9.32 mi3.11 mi623-22580-21580-21715(Top 3%)672(Top 4%)672(Top 30%)
20K12.43 mi3.11 mi610+13567+13567+13579(Top 2%)539(Top 4%)539(Top 24%)
Half13.11 mi0.68 mi615-5572-5572-5655(Top 2%)615(Top 4%)615(Top 27%)
25K15.53 mi2.42 mi617-2576-4576-4744(Top 3%)703(Top 5%)703(Top 31%)
30K18.64 mi3.11 mi593+24553+23553+23545(Top 2%)511(Top 3%)511(Top 23%)
20M20.00 mi1.36 mi584+9544+9544+9578(Top 2%)544(Top 4%)544(Top 24%)
21M21.00 mi1.00 mi584544544704(Top 3%)663(Top 4%)663(Top 30%)
35K21.75 mi0.75 mi581+3541+3541+3586(Top 2%)548(Top 4%)548(Top 24%)
23M23.00 mi1.25 mi564+17526+15526+15474(Top 2%)443(Top 3%)443(Top 20%)
24M24.00 mi1.00 mi557+7519+7519+7572(Top 2%)542(Top 4%)542(Top 24%)
40K24.85 mi0.85 mi557518+1518+1673(Top 3%)636(Top 4%)636(Top 28%)
25.2M25.20 mi0.35 mi553+4514+4514+4600(Top 2%)567(Top 4%)567(Top 25%)
Finish26.22 mi1.02 mi547+6510+4510+4527(Top 2%)501(Top 3%)501(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

715

Males

672

M40-44

672

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

633

Males

590

M40-44

590

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

715

Males

672

M40-44

672

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

579

Males

539

M40-44

539

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

655

Males

615

M40-44

615

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

744

Males

703

M40-44

703

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

545

Males

511

M40-44

511

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

578

Males

544

M40-44

544

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

704

Males

663

M40-44

663

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

586

Males

548

M40-44

548

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

474

Males

443

M40-44

443

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

572

Males

542

M40-44

542

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

673

Males

636

M40-44

636

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

600

Males

567

M40-44

567

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

527

Males

501

M40-44

501

Passing Analysis

Category:
Athletes Passed
188
Passed By
154
Net Change
+34
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#581
5K → 10K1737-20#581#601
10K → 15K931-22#601#623
15K → 20K2411+13#623#610
20K → Half16-5#610#615
Half → 25K1416-2#615#617
25K → 30K339+24#617#593
30K → 20M156+9#593#584
20M → 21M10100#584#584
21M → 35K74+3#584#581
35K → 23M181+17#581#564
23M → 24M147+7#564#557
24M → 40K770#557#557
40K → 25.2M73+4#557#553
25.2M → Finish126+6#553#547
TOTALS188154+34
📊

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