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BOSTON MARATHON 2023

Matthias Nelke

Bib: 9311•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Masters (Masters Men)
#0 / 9891
Top 12%
Division (M50-54)
#0 / 2052
Top 7%
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
6:41/mi
20:46
↑ 97↓ 3451.5%
10K· 6.21 mi
6:42/mi
41:34
↑ 79↓ 1380.4%
15K· 9.32 mi
6:46/mi
1:02:35
↑ 67↓ 78
20K· 12.43 mi
6:46/mi
1:23:35
↑ 106↓ 860.1%
Half· 13.11 mi
6:46/mi
1:28:12
↑ 19↓ 370.5%
25K· 15.53 mi
6:51/mi
1:44:48
↑ 66↓ 880.2%
30K· 18.64 mi
7:02/mi
2:06:38
↑ 181↓ 1480.2%
20M
7:00/mi
2:16:09
↑ 64↓ 500.2%
21M
7:30/mi
2:23:39
↑ 106↓ 241.6%
35K· 21.75 mi
6:41/mi
2:28:39
↑ 17↓ 861.7%
23M
7:01/mi
2:37:26
↑ 23↓ 630.6%
24M
6:46/mi
2:44:12
↓ 821.3%
40K· 24.85 mi
7:14/mi
2:50:23
↓ 200.3%
25.2M
7:27/mi
2:52:57
↑ 13↓ 160.2%
Finish· 26.22 mi
6:46/mi
2:59:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:12
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:31:39
Pace6:59 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1920:466:4120:46
6:41
-
10K
6.21 mi11:07:0741:346:4120:48
6:42
+0:01
15K
9.32 mi11:28:081:02:356:4321:01
6:46
+0:04
20K
12.43 mi11:49:081:23:356:4421:00
6:46
0:00
Half
13.11 mi11:53:451:28:126:444:37
6:46
0:00
25K
15.53 mi12:10:211:44:486:4516:36
6:51
+0:05
30K
18.64 mi12:32:112:06:386:4821:50
7:02
+0:11
20M
20.00 mi12:41:422:16:096:489:31
7:00
-0:02
21M
21.00 mi12:49:122:23:396:507:30
7:30
+0:30
35K
21.75 mi12:54:122:28:396:505:00
6:41
-0:49
23M
23.00 mi13:02:592:37:266:518:47
7:01
+0:20
24M
24.00 mi13:09:452:44:126:516:46
6:46
-0:15
40K
24.85 mi13:15:562:50:236:516:11
7:14
+0:28
25.2M
25.20 mi13:18:302:52:576:522:34
7:27
+0:13
Finish
26.22 mi13:25:242:59:516:526:54
6:46
-0:41

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

6:41 /mi

Average Pace

6:52 /mi

Slowest Pace

7:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:47

94% of race

Time at Steady Pace

10:04

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:46:1920:466:4120:46
6:41
#3527
10K
6.21 mi11:07:0741:346:4120:48
6:42
#3870
15K
9.32 mi11:28:081:02:356:4321:01
6:46
#4160
20K
12.43 mi11:49:081:23:356:4421:00
6:46
#4126
Half
13.11 mi11:53:451:28:126:444:37
6:46
#4161
25K
15.53 mi12:10:211:44:486:4516:36
6:51
#4179
30K
18.64 mi12:32:112:06:386:4821:50
7:02
#4253
20M
20.00 mi12:41:422:16:096:489:31
7:00
#4225
21M
21.00 mi12:49:122:23:396:507:30
7:30
#4227
35K
21.75 mi12:54:122:28:396:505:00
6:41
#4183
23M
23.00 mi13:02:592:37:266:518:47
7:01
#4159
24M
24.00 mi13:09:452:44:126:516:46
6:46
#4099
40K
24.85 mi13:15:562:50:236:516:11
7:14
#4155
25.2M
25.20 mi13:18:302:52:576:522:34
7:27
#4154
Finish
26.22 mi13:25:242:59:516:526:54
6:46
#4147
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi3527332533254750(Top 18%)4426(Top 29%)4426(Top 216%)
10K6.21 mi3.10 mi3870-3433644-3193644-3194279(Top 16%)4007(Top 26%)4007(Top 195%)
15K9.32 mi3.11 mi4160-2903906-2623906-2624750(Top 18%)4426(Top 29%)4426(Top 216%)
20K12.43 mi3.11 mi4126+343873+333873+334077(Top 15%)3823(Top 25%)3823(Top 186%)
Half13.11 mi0.68 mi4161-353905-323905-324926(Top 19%)4558(Top 30%)4558(Top 222%)
25K15.53 mi2.42 mi4179-183917-123917-124541(Top 17%)4228(Top 28%)4228(Top 206%)
30K18.64 mi3.11 mi4253-743989-723989-724519(Top 17%)4183(Top 28%)4183(Top 204%)
20M20.00 mi1.36 mi4225+283964+253964+254042(Top 15%)3742(Top 25%)3742(Top 182%)
21M21.00 mi1.00 mi4227-23957+73957+74558(Top 17%)4145(Top 27%)4145(Top 202%)
35K21.75 mi0.75 mi4183+443915+423915+423485(Top 13%)3237(Top 21%)3237(Top 158%)
23M23.00 mi1.25 mi4159+243894+213894+213869(Top 15%)3566(Top 23%)3566(Top 174%)
24M24.00 mi1.00 mi4099+603838+563838+563479(Top 13%)3204(Top 21%)3204(Top 156%)
40K24.85 mi0.85 mi4155-563889-513889-515033(Top 19%)4363(Top 29%)4363(Top 213%)
25.2M25.20 mi0.35 mi4154+13887+23887+23624(Top 14%)3252(Top 21%)3252(Top 158%)
Finish26.22 mi1.02 mi4147+73879+83879+83901(Top 15%)3457(Top 23%)3457(Top 168%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4750

Males

4426

M50-54

4426

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4279

Males

4007

M50-54

4007

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4750

Males

4426

M50-54

4426

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

4077

Males

3823

M50-54

3823

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

4926

Males

4558

M50-54

4558

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4541

Males

4228

M50-54

4228

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4519

Males

4183

M50-54

4183

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

4042

Males

3742

M50-54

3742

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4558

Males

4145

M50-54

4145

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3485

Males

3237

M50-54

3237

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

3869

Males

3566

M50-54

3566

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3479

Males

3204

M50-54

3204

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5033

Males

4363

M50-54

4363

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3624

Males

3252

M50-54

3252

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

3901

Males

3457

M50-54

3457

Passing Analysis

Category:
Athletes Passed
870
Passed By
1490
Net Change
-620
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3527
5K → 10K88431-343#3527#3870
10K → 15K40330-290#3870#4160
15K → 20K11581+34#4160#4126
20K → Half540-35#4126#4161
Half → 25K7290-18#4161#4179
25K → 30K92166-74#4179#4253
30K → 20M8153+28#4253#4225
20M → 21M6466-2#4225#4227
21M → 35K5612+44#4227#4183
35K → 23M6945+24#4183#4159
23M → 24M8626+60#4159#4099
24M → 40K3490-56#4099#4155
40K → 25.2M2221+1#4155#4154
25.2M → Finish4639+7#4154#4147
TOTALS8701490-620
📊

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