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BOSTON MARATHON 2023

Simon Wittwer

Bib: 3352•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 12%
Division (M18-39)
#0 / 5285
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:06
Rank: #2115
Start → 5K
20:06 | 6:28/mi
10K· 6.21 mi
40:10
Rank: #2301 (-186)
5K → 10K
20:04 | 6:28/mi
15K· 9.32 mi
1:00:14
Rank: #2328 (-27)
10K → 15K
20:04 | 6:28/mi
20K· 12.43 mi
1:20:37
Rank: #2374 (-46)
15K → 20K
20:23 | 6:34/mi
Half· 13.11 mi
1:25:00
Rank: #2381 (-7)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:40:56
Rank: #2401 (-20)
Half → 25K
15:56 | 6:34/mi
30K· 18.64 mi
2:01:22
Rank: #2285 (+116)
25K → 30K
20:26 | 6:35/mi
20M
2:10:17
Rank: #2213 (+72)
30K → 20M
8:55 | 6:34/mi
21M
2:17:01
Rank: #2123 (+90)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:21:48
Rank: #2112 (+11)
21M → 35K
4:47 | 6:24/mi
23M
2:30:06
Rank: #2061 (+51)
35K → 23M
8:18 | 6:38/mi
24M
2:36:31
Rank: #2026 (+35)
23M → 24M
6:25 | 6:25/mi
40K· 24.85 mi
2:42:11
Rank: #2000 (+26)
24M → 40K
5:40 | 6:38/mi
25.2M
2:44:38
Rank: #1996 (+4)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:51:18
Rank: #1980 (+16)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:00
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:26:18
Pace6:35 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3320:066:2820:06
6:28
-
10K
6.21 mi10:41:3740:106:2820:04
6:28
0:00
15K
9.32 mi11:01:411:00:146:2820:04
6:28
0:00
20K
12.43 mi11:22:041:20:376:2920:23
6:34
+0:06
Half
13.11 mi11:26:271:25:006:294:23
6:25
-0:09
25K
15.53 mi11:42:231:40:566:3015:56
6:34
+0:09
30K
18.64 mi12:02:492:01:226:3120:26
6:35
+0:01
20M
20.00 mi12:11:442:10:176:318:55
6:34
-0:01
21M
21.00 mi12:18:282:17:016:316:44
6:44
+0:10
35K
21.75 mi12:23:152:21:486:314:47
6:24
-0:20
23M
23.00 mi12:31:332:30:066:328:18
6:38
+0:14
24M
24.00 mi12:37:582:36:316:316:25
6:25
-0:13
40K
24.85 mi12:43:382:42:116:325:40
6:38
+0:13
25.2M
25.20 mi12:46:052:44:386:322:27
7:06
+0:28
Finish
26.22 mi12:52:452:51:186:326:40
6:33
-0:33

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

6:24 /mi

Average Pace

6:32 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:51

99% of race

Time at Steady Pace

2:27

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:32 /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 mi10:21:3320:066:2820:06
6:28
#2115
10K
6.21 mi10:41:3740:106:2820:04
6:28
#2301
15K
9.32 mi11:01:411:00:146:2820:04
6:28
#2328
20K
12.43 mi11:22:041:20:376:2920:23
6:34
#2374
Half
13.11 mi11:26:271:25:006:294:23
6:25
#2381
25K
15.53 mi11:42:231:40:566:3015:56
6:34
#2401
30K
18.64 mi12:02:492:01:226:3120:26
6:35
#2285
20M
20.00 mi12:11:442:10:176:318:55
6:34
#2213
21M
21.00 mi12:18:282:17:016:316:44
6:44
#2123
35K
21.75 mi12:23:152:21:486:314:47
6:24
#2112
23M
23.00 mi12:31:332:30:066:328:18
6:38
#2061
24M
24.00 mi12:37:582:36:316:316:25
6:25
#2026
40K
24.85 mi12:43:382:42:116:325:40
6:38
#2000
25.2M
25.20 mi12:46:052:44:386:322:27
7:06
#1996
Finish
26.22 mi12:52:452:51:186:326:40
6:33
#1980
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2115201820182401(Top 9%)2304(Top 15%)2304(Top 44%)
10K6.21 mi3.10 mi2301-1862199-1812199-1812541(Top 10%)2428(Top 16%)2428(Top 46%)
15K9.32 mi3.11 mi2328-272229-302229-302401(Top 9%)2304(Top 15%)2304(Top 44%)
20K12.43 mi3.11 mi2374-462274-452274-452610(Top 10%)2496(Top 16%)2496(Top 47%)
Half13.11 mi0.68 mi2381-72282-82282-82322(Top 9%)2227(Top 15%)2227(Top 42%)
25K15.53 mi2.42 mi2401-202301-192301-192537(Top 10%)2427(Top 16%)2427(Top 46%)
30K18.64 mi3.11 mi2285+1162193+1082193+1081865(Top 7%)1785(Top 12%)1785(Top 34%)
20M20.00 mi1.36 mi2213+722123+702123+701693(Top 6%)1616(Top 11%)1616(Top 31%)
21M21.00 mi1.00 mi2123+902035+882035+881226(Top 5%)1168(Top 8%)1168(Top 22%)
35K21.75 mi0.75 mi2112+112025+102025+101945(Top 7%)1849(Top 12%)1849(Top 35%)
23M23.00 mi1.25 mi2061+511977+481977+481883(Top 7%)1785(Top 12%)1785(Top 34%)
24M24.00 mi1.00 mi2026+351942+351942+351737(Top 7%)1638(Top 11%)1638(Top 31%)
40K24.85 mi0.85 mi2000+261916+261916+262025(Top 8%)1895(Top 12%)1895(Top 36%)
25.2M25.20 mi0.35 mi1996+41912+41912+42101(Top 8%)1957(Top 13%)1957(Top 37%)
Finish26.22 mi1.02 mi1980+161896+161896+162671(Top 10%)2443(Top 16%)2443(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2401

Males

2304

M18-39

2304

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2541

Males

2428

M18-39

2428

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2401

Males

2304

M18-39

2304

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2610

Males

2496

M18-39

2496

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2322

Males

2227

M18-39

2227

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2537

Males

2427

M18-39

2427

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1865

Males

1785

M18-39

1785

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1693

Males

1616

M18-39

1616

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1226

Males

1168

M18-39

1168

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1945

Males

1849

M18-39

1849

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1883

Males

1785

M18-39

1785

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1737

Males

1638

M18-39

1638

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2025

Males

1895

M18-39

1895

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2101

Males

1957

M18-39

1957

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2671

Males

2443

M18-39

2443

Passing Analysis

Category:
Athletes Passed
737
Passed By
602
Net Change
+135
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2115
5K → 10K50236-186#2115#2301
10K → 15K6693-27#2301#2328
15K → 20K4793-46#2328#2374
20K → Half916-7#2374#2381
Half → 25K3656-20#2381#2401
25K → 30K13216+116#2401#2285
30K → 20M775+72#2285#2213
20M → 21M933+90#2213#2123
21M → 35K2312+11#2123#2112
35K → 23M6615+51#2112#2061
23M → 24M4813+35#2061#2026
24M → 40K3812+26#2026#2000
40K → 25.2M1511+4#2000#1996
25.2M → Finish3721+16#1996#1980
TOTALS737602+135
📊

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