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BOSTON MARATHON 2023

Dirk Leutloff

Bib: 31237•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:57
Rank: #24179
Start → 5K
31:57 | 10:17/mi
10K· 6.21 mi
1:04:07
Rank: #24312 (-133)
5K → 10K
32:10 | 10:21/mi
15K· 9.32 mi
1:38:46
Rank: #24799 (-487)
10K → 15K
34:39 | 11:09/mi
20K· 12.43 mi
2:15:32
Rank: #25076 (-277)
15K → 20K
36:46 | 11:50/mi
Half· 13.11 mi
2:23:37
Rank: #25126 (-50)
20K → Half
8:05 | 11:50/mi
25K· 15.53 mi
2:52:22
Rank: #25145 (-19)
Half → 25K
28:45 | 11:51/mi
30K· 18.64 mi
3:30:23
Rank: #25075 (+70)
25K → 30K
38:01 | 12:14/mi
20M
3:47:39
Rank: #25077 (-2)
30K → 20M
17:16 | 12:42/mi
21M
4:00:21
Rank: #25034 (+43)
20M → 21M
12:42 | 12:42/mi
35K· 21.75 mi
4:08:49
Rank: #24999 (+35)
21M → 35K
8:28 | 11:19/mi
23M
4:24:28
Rank: #24991 (+8)
35K → 23M
15:39 | 12:30/mi
24M
4:36:27
Rank: #24989 (+2)
23M → 24M
11:59 | 11:59/mi
40K· 24.85 mi
4:46:45
Rank: #24964 (+25)
24M → 40K
10:18 | 12:03/mi
25.2M
4:51:07
Rank: #24957 (+7)
40K → 25.2M
4:22 | 12:40/mi
Finish· 26.22 mi
5:02:39
Rank: #24939 (+18)
25.2M → Finish
11:32 | 11:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:37
Pace10:57 /mi
2nd Half
Distance13.11 mi
Time2:39:02
Pace12:08 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4131:5710:1731:57
10:17
-
10K
6.21 mi12:21:511:04:0710:1932:10
10:21
+0:04
15K
9.32 mi12:56:301:38:4610:3634:39
11:09
+0:48
20K
12.43 mi13:33:162:15:3210:5436:46
11:50
+0:41
Half
13.11 mi13:41:212:23:3710:578:05
11:50
0:00
25K
15.53 mi14:10:062:52:2211:0628:45
11:51
+0:01
30K
18.64 mi14:48:073:30:2311:1738:01
12:14
+0:23
20M
20.00 mi15:05:233:47:3911:2317:16
12:42
+0:28
21M
21.00 mi15:18:054:00:2111:2712:42
12:42
0:00
35K
21.75 mi15:26:334:08:4911:268:28
11:19
-1:23
23M
23.00 mi15:42:124:24:2811:3015:39
12:30
+1:11
24M
24.00 mi15:54:114:36:2711:3111:59
11:59
-0:31
40K
24.85 mi16:04:294:46:4511:3210:18
12:03
+0:04
25.2M
25.20 mi16:08:514:51:0711:334:22
12:40
+0:37
Finish
26.22 mi16:20:235:02:3911:3311:32
11:19
-1:21

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

10:17 /mi

Average Pace

11:33 /mi

Slowest Pace

12:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:46

39% of race

Time at Steady Pace

1:35:53

32% of race

Time at Slower Pace

1:28:00

29% of race

Average Pace: 11:33 /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 mi11:49:4131:5710:1731:57
10:17
#24179
10K
6.21 mi12:21:511:04:0710:1932:10
10:21
#24312
15K
9.32 mi12:56:301:38:4610:3634:39
11:09
#24799
20K
12.43 mi13:33:162:15:3210:5436:46
11:50
#25076
Half
13.11 mi13:41:212:23:3710:578:05
11:50
#25126
25K
15.53 mi14:10:062:52:2211:0628:45
11:51
#25145
30K
18.64 mi14:48:073:30:2311:1738:01
12:14
#25075
20M
20.00 mi15:05:233:47:3911:2317:16
12:42
#25077
21M
21.00 mi15:18:054:00:2111:2712:42
12:42
#25034
35K
21.75 mi15:26:334:08:4911:268:28
11:19
#24999
23M
23.00 mi15:42:124:24:2811:3015:39
12:30
#24991
24M
24.00 mi15:54:114:36:2711:3111:59
11:59
#24989
40K
24.85 mi16:04:294:46:4511:3210:18
12:03
#24964
25.2M
25.20 mi16:08:514:51:0711:334:22
12:40
#24957
Finish
26.22 mi16:20:235:02:3911:3311:32
11:19
#24939
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi24179141811418125367(Top 95%)14678(Top 97%)14678(Top 715%)
10K6.21 mi3.10 mi24312-13314234-5314234-5324404(Top 92%)14266(Top 94%)14266(Top 695%)
15K9.32 mi3.11 mi24799-48714440-20614440-20625367(Top 95%)14678(Top 97%)14678(Top 715%)
20K12.43 mi3.11 mi25076-27714556-11614556-11625555(Top 96%)14732(Top 97%)14732(Top 718%)
Half13.11 mi0.68 mi25126-5014576-2014576-2025757(Top 97%)14803(Top 98%)14803(Top 721%)
25K15.53 mi2.42 mi25145-1914574+214574+225039(Top 94%)14481(Top 95%)14481(Top 706%)
30K18.64 mi3.11 mi25075+7014522+5214522+5224745(Top 93%)14301(Top 94%)14301(Top 697%)
20M20.00 mi1.36 mi25077-214517+514517+524923(Top 94%)14337(Top 94%)14337(Top 699%)
21M21.00 mi1.00 mi25034+4314489+2814489+2823725(Top 89%)13762(Top 91%)13762(Top 671%)
35K21.75 mi0.75 mi24999+3514461+2814461+2823833(Top 90%)13764(Top 91%)13764(Top 671%)
23M23.00 mi1.25 mi24991+814453+814453+824585(Top 92%)14130(Top 93%)14130(Top 689%)
24M24.00 mi1.00 mi24989+214446+714446+724509(Top 92%)14055(Top 93%)14055(Top 685%)
40K24.85 mi0.85 mi24964+2514432+1414432+1423949(Top 90%)13775(Top 91%)13775(Top 671%)
25.2M25.20 mi0.35 mi24957+714426+614426+623524(Top 88%)13567(Top 89%)13567(Top 661%)
Finish26.22 mi1.02 mi24939+1814410+1614410+1624448(Top 92%)14049(Top 93%)14049(Top 685%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25367

Males

14678

M50-54

14678

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24404

Males

14266

M50-54

14266

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25367

Males

14678

M50-54

14678

15K→20K

9.3 - 12.4 mi

Top 96%
×5stories
+106ft-86ft

Overall

25555

Males

14732

M50-54

14732

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

25757

Males

14803

M50-54

14803

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

25039

Males

14481

M50-54

14481

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24745

Males

14301

M50-54

14301

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

24923

Males

14337

M50-54

14337

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23725

Males

13762

M50-54

13762

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

23833

Males

13764

M50-54

13764

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24585

Males

14130

M50-54

14130

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24509

Males

14055

M50-54

14055

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23949

Males

13775

M50-54

13775

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23524

Males

13567

M50-54

13567

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24448

Males

14049

M50-54

14049

Passing Analysis

Category:
Athletes Passed
662
Passed By
1422
Net Change
-760
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24179
5K → 10K133266-133#24179#24312
10K → 15K25512-487#24312#24799
15K → 20K33310-277#24799#25076
20K → Half656-50#25076#25126
Half → 25K7190-19#25126#25145
25K → 30K11141+70#25145#25075
30K → 20M4749-2#25075#25077
20M → 21M5815+43#25077#25034
21M → 35K416+35#25034#24999
35K → 23M3325+8#24999#24991
23M → 24M2321+2#24991#24989
24M → 40K3611+25#24989#24964
40K → 25.2M136+7#24964#24957
25.2M → Finish3214+18#24957#24939
TOTALS6621422-760
📊

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