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BOSTON MARATHON 2023

Lawrence Dietrich

Bib: 25184•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:23/mi
32:17
↑ 97↓ 3451.5%
10K· 6.21 mi
9:54/mi
1:03:02
↑ 79↓ 1380.4%
15K· 9.32 mi
10:53/mi
1:36:50
↑ 67↓ 78
20K· 12.43 mi
12:42/mi
2:16:18
↑ 106↓ 860.1%
Half· 13.11 mi
12:10/mi
2:24:36
↑ 19↓ 370.5%
25K· 15.53 mi
12:50/mi
2:55:44
↑ 66↓ 880.2%
30K· 18.64 mi
14:00/mi
3:39:15
↑ 181↓ 1480.2%
20M
14:13/mi
3:58:34
↑ 64↓ 500.2%
21M
15:22/mi
4:13:56
↑ 106↓ 241.6%
35K· 21.75 mi
13:53/mi
4:24:19
↑ 17↓ 861.7%
23M
14:07/mi
4:42:00
↑ 23↓ 630.6%
24M
13:33/mi
4:55:33
↓ 821.3%
40K· 24.85 mi
14:34/mi
5:08:00
↓ 200.3%
25.2M
13:58/mi
5:12:49
↑ 13↓ 160.2%
Finish· 26.22 mi
12:37/mi
5:25:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:36
Pace11:02 /mi
2nd Half
Distance13.11 mi
Time3:01:04
Pace13:49 /mi
📊Positive Split: 25.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1932:1710:2332:17
10:23
-
10K
6.21 mi12:22:041:03:0210:0930:45
9:54
-0:29
15K
9.32 mi12:55:521:36:5010:2333:48
10:53
+0:59
20K
12.43 mi13:35:202:16:1810:5839:28
12:42
+1:49
Half
13.11 mi13:43:382:24:3611:028:18
12:10
-0:32
25K
15.53 mi14:14:462:55:4411:1931:08
12:50
+0:40
30K
18.64 mi14:58:173:39:1511:4643:31
14:00
+1:10
20M
20.00 mi15:17:363:58:3411:5619:19
14:13
+0:13
21M
21.00 mi15:32:584:13:5612:0615:22
15:22
+1:09
35K
21.75 mi15:43:214:24:1912:0910:23
13:53
-1:29
23M
23.00 mi16:01:024:42:0012:1617:41
14:07
+0:14
24M
24.00 mi16:14:354:55:3312:1913:33
13:33
-0:34
40K
24.85 mi16:27:025:08:0012:2412:27
14:34
+1:01
25.2M
25.20 mi16:31:515:12:4912:254:49
13:58
-0:36
Finish
26.22 mi16:44:425:25:4012:2612:51
12:37
-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

9:54 /mi

Average Pace

12:26 /mi

Slowest Pace

15:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:27

48% of race

Time at Steady Pace

2:20:24

43% of race

Time at Slower Pace

27:49

9% of race

Average Pace: 12:25 /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 mi11:51:1932:1710:2332:17
10:23
#24451
10K
6.21 mi12:22:041:03:0210:0930:45
9:54
#23948
15K
9.32 mi12:55:521:36:5010:2333:48
10:53
#24410
20K
12.43 mi13:35:202:16:1810:5839:28
12:42
#25159
Half
13.11 mi13:43:382:24:3611:028:18
12:10
#25261
25K
15.53 mi14:14:462:55:4411:1931:08
12:50
#25398
30K
18.64 mi14:58:173:39:1511:4643:31
14:00
#25608
20M
20.00 mi15:17:363:58:3411:5619:19
14:13
#25648
21M
21.00 mi15:32:584:13:5612:0615:22
15:22
#25667
35K
21.75 mi15:43:214:24:1912:0910:23
13:53
#25699
23M
23.00 mi16:01:024:42:0012:1617:41
14:07
#25729
24M
24.00 mi16:14:354:55:3312:1913:33
13:33
#25736
40K
24.85 mi16:27:025:08:0012:2412:27
14:34
#25765
25.2M
25.20 mi16:31:515:12:4912:254:49
13:58
#25762
Finish
26.22 mi16:44:425:25:4012:2612:51
12:37
#25771
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi24451143031430325033(Top 94%)14534(Top 96%)14534(Top 645%)
10K6.21 mi3.10 mi23948+50314062+24114062+24123482(Top 88%)13850(Top 91%)13850(Top 615%)
15K9.32 mi3.11 mi24410-46214278-21614278-21625033(Top 94%)14534(Top 96%)14534(Top 645%)
20K12.43 mi3.11 mi25159-74914593-31514593-31526081(Top 98%)14959(Top 99%)14959(Top 664%)
Half13.11 mi0.68 mi25261-10214631-3814631-3825973(Top 98%)14905(Top 98%)14905(Top 662%)
25K15.53 mi2.42 mi25398-13714680-4914680-4925775(Top 97%)14808(Top 98%)14808(Top 658%)
30K18.64 mi3.11 mi25608-21014752-7214752-7226032(Top 98%)14894(Top 98%)14894(Top 661%)
20M20.00 mi1.36 mi25648-4014770-1814770-1825945(Top 97%)14831(Top 98%)14831(Top 659%)
21M21.00 mi1.00 mi25667-1914774-414774-425932(Top 97%)14837(Top 98%)14837(Top 659%)
35K21.75 mi0.75 mi25699-3214785-1114785-1126081(Top 98%)14883(Top 98%)14883(Top 661%)
23M23.00 mi1.25 mi25729-3014794-914794-925905(Top 97%)14782(Top 97%)14782(Top 656%)
24M24.00 mi1.00 mi25736-714792+214792+225836(Top 97%)14726(Top 97%)14726(Top 654%)
40K24.85 mi0.85 mi25765-2914798-614798-625971(Top 98%)14791(Top 97%)14791(Top 657%)
25.2M25.20 mi0.35 mi25762+314795+314795+324982(Top 94%)14276(Top 94%)14276(Top 634%)
Finish26.22 mi1.02 mi25771-914798-314798-325745(Top 97%)14677(Top 97%)14677(Top 652%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

25033

Males

14534

M45-49

14534

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23482

Males

13850

M45-49

13850

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

25033

Males

14534

M45-49

14534

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

26081

Males

14959

M45-49

14959

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

25973

Males

14905

M45-49

14905

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25775

Males

14808

M45-49

14808

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

26032

Males

14894

M45-49

14894

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

25945

Males

14831

M45-49

14831

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25932

Males

14837

M45-49

14837

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

26081

Males

14883

M45-49

14883

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25905

Males

14782

M45-49

14782

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

25836

Males

14726

M45-49

14726

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

25971

Males

14791

M45-49

14791

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

24982

Males

14276

M45-49

14276

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

25745

Males

14677

M45-49

14677

Passing Analysis

Category:
Athletes Passed
703
Passed By
2023
Net Change
-1320
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24451
5K → 10K54037+503#24451#23948
10K → 15K23485-462#23948#24410
15K → 20K6755-749#24410#25159
20K → Half6108-102#25159#25261
Half → 25K30167-137#25261#25398
25K → 30K17227-210#25398#25608
30K → 20M1959-40#25608#25648
20M → 21M928-19#25648#25667
21M → 35K739-32#25667#25699
35K → 23M1242-30#25699#25729
23M → 24M1017-7#25729#25736
24M → 40K736-29#25736#25765
40K → 25.2M74+3#25765#25762
25.2M → Finish1019-9#25762#25771
TOTALS7032023-1320
📊

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