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BOSTON MARATHON 2023

Daniel Diekema

Bib: 13377•M

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 47%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 38%
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
7:45/mi
24:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
48:10
↑ 79↓ 1380.4%
15K· 9.32 mi
7:47/mi
1:12:22
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:36:52
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:42:13
↑ 19↓ 370.5%
25K· 15.53 mi
7:59/mi
2:01:34
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:27:09
↑ 181↓ 1480.2%
20M
8:13/mi
2:38:19
↑ 64↓ 500.2%
21M
8:28/mi
2:46:47
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
2:52:58
↑ 17↓ 861.7%
23M
8:29/mi
3:03:35
↑ 23↓ 630.6%
24M
8:21/mi
3:11:56
↓ 821.3%
40K· 24.85 mi
8:39/mi
3:19:20
↓ 200.3%
25.2M
9:14/mi
3:22:31
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
3:31:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:13
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:48:58
Pace8:19 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2224:047:4524:04
7:45
-
10K
6.21 mi11:16:2848:107:4524:06
7:45
0:00
15K
9.32 mi11:40:401:12:227:4624:12
7:47
+0:02
20K
12.43 mi12:05:101:36:527:4824:30
7:53
+0:06
Half
13.11 mi12:10:311:42:137:485:21
7:50
-0:03
25K
15.53 mi12:29:522:01:347:5019:21
7:59
+0:09
30K
18.64 mi12:55:272:27:097:5425:35
8:14
+0:15
20M
20.00 mi13:06:372:38:197:5511:10
8:13
-0:01
21M
21.00 mi13:15:052:46:477:578:28
8:28
+0:15
35K
21.75 mi13:21:162:52:587:576:11
8:16
-0:12
23M
23.00 mi13:31:533:03:357:5910:37
8:29
+0:13
24M
24.00 mi13:40:143:11:568:008:21
8:21
-0:08
40K
24.85 mi13:47:383:19:208:017:24
8:39
+0:18
25.2M
25.20 mi13:50:493:22:318:023:11
9:14
+0:35
Finish
26.22 mi13:59:293:31:118:048:40
8:30
-0:44

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

7:45 /mi

Average Pace

8:04 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:36

95% of race

Time at Steady Pace

7:24

4% of race

Time at Slower Pace

3:11

2% of race

Average Pace: 8:03 /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 mi10:52:2224:047:4524:04
7:45
#11874
10K
6.21 mi11:16:2848:107:4524:06
7:45
#12278
15K
9.32 mi11:40:401:12:227:4624:12
7:47
#12350
20K
12.43 mi12:05:101:36:527:4824:30
7:53
#12357
Half
13.11 mi12:10:311:42:137:485:21
7:50
#12375
25K
15.53 mi12:29:522:01:347:5019:21
7:59
#12409
30K
18.64 mi12:55:272:27:097:5425:35
8:14
#12413
20M
20.00 mi13:06:372:38:197:5511:10
8:13
#12348
21M
21.00 mi13:15:052:46:477:578:28
8:28
#12199
35K
21.75 mi13:21:162:52:587:576:11
8:16
#12258
23M
23.00 mi13:31:533:03:357:5910:37
8:29
#12300
24M
24.00 mi13:40:143:11:568:008:21
8:21
#12357
40K
24.85 mi13:47:383:19:208:017:24
8:39
#12448
25.2M
25.20 mi13:50:493:22:318:023:11
9:14
#12466
Finish
26.22 mi13:59:293:31:118:048:40
8:30
#12598
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi118749061906112631(Top 47%)9359(Top 62%)9359(Top 658%)
10K6.21 mi3.10 mi12278-4049239-1789239-17812730(Top 48%)9440(Top 62%)9440(Top 664%)
15K9.32 mi3.11 mi12350-729238+19238+112631(Top 47%)9359(Top 62%)9359(Top 658%)
20K12.43 mi3.11 mi12357-79217+219217+2112490(Top 47%)9224(Top 61%)9224(Top 649%)
Half13.11 mi0.68 mi12375-189223-69223-613041(Top 49%)9498(Top 63%)9498(Top 668%)
25K15.53 mi2.42 mi12409-349221+29221+212573(Top 47%)9156(Top 60%)9156(Top 644%)
30K18.64 mi3.11 mi12413-49189+329189+3212561(Top 47%)9047(Top 60%)9047(Top 636%)
20M20.00 mi1.36 mi12348+659145+449145+4411804(Top 44%)8631(Top 57%)8631(Top 607%)
21M21.00 mi1.00 mi12199+1499062+839062+8310274(Top 39%)7752(Top 51%)7752(Top 545%)
35K21.75 mi0.75 mi12258-599069-79069-713855(Top 52%)9344(Top 62%)9344(Top 657%)
23M23.00 mi1.25 mi12300-429054+159054+1513069(Top 49%)8941(Top 59%)8941(Top 629%)
24M24.00 mi1.00 mi12357-579069-159069-1513510(Top 51%)9086(Top 60%)9086(Top 639%)
40K24.85 mi0.85 mi12448-919090-219090-2114240(Top 53%)9339(Top 62%)9339(Top 657%)
25.2M25.20 mi0.35 mi12466-189082+89082+813728(Top 52%)9096(Top 60%)9096(Top 640%)
Finish26.22 mi1.02 mi12598-1329116-349116-3415424(Top 58%)9909(Top 65%)9909(Top 697%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12631

Males

9359

M55-59

9359

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12730

Males

9440

M55-59

9440

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12631

Males

9359

M55-59

9359

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12490

Males

9224

M55-59

9224

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13041

Males

9498

M55-59

9498

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12573

Males

9156

M55-59

9156

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12561

Males

9047

M55-59

9047

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11804

Males

8631

M55-59

8631

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10274

Males

7752

M55-59

7752

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13855

Males

9344

M55-59

9344

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13069

Males

8941

M55-59

8941

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13510

Males

9086

M55-59

9086

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14240

Males

9339

M55-59

9339

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13728

Males

9096

M55-59

9096

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15424

Males

9909

M55-59

9909

Passing Analysis

Category:
Athletes Passed
1383
Passed By
2107
Net Change
-724
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11874
5K → 10K150554-404#11874#12278
10K → 15K169241-72#12278#12350
15K → 20K173180-7#12350#12357
20K → Half2644-18#12357#12375
Half → 25K114148-34#12375#12409
25K → 30K204208-4#12409#12413
30K → 20M13065+65#12413#12348
20M → 21M17425+149#12348#12199
21M → 35K2685-59#12199#12258
35K → 23M80122-42#12258#12300
23M → 24M45102-57#12300#12357
24M → 40K30121-91#12357#12448
40K → 25.2M3149-18#12448#12466
25.2M → Finish31163-132#12466#12598
TOTALS13832107-724
📊

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