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BOSTON MARATHON 2023

Colin Worby

Bib: 7452•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:21
Rank: #5313
Start → 5K
21:21 | 6:52/mi
10K· 6.21 mi
42:40
Rank: #5554 (-241)
5K → 10K
21:19 | 6:52/mi
15K· 9.32 mi
1:03:47
Rank: #5397 (+157)
10K → 15K
21:07 | 6:48/mi
20K· 12.43 mi
1:24:56
Rank: #5174 (+223)
15K → 20K
21:09 | 6:48/mi
Half· 13.11 mi
1:29:30
Rank: #5129 (+45)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:46:01
Rank: #4935 (+194)
Half → 25K
16:31 | 6:49/mi
30K· 18.64 mi
2:07:37
Rank: #4713 (+222)
25K → 30K
21:36 | 6:57/mi
20M
2:17:01
Rank: #4587 (+126)
30K → 20M
9:24 | 6:55/mi
21M
2:24:22
Rank: #4539 (+48)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:29:19
Rank: #4449 (+90)
21M → 35K
4:57 | 6:37/mi
23M
2:37:53
Rank: #4307 (+142)
35K → 23M
8:34 | 6:51/mi
24M
2:44:31
Rank: #4233 (+74)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:50:21
Rank: #4146 (+87)
24M → 40K
5:50 | 6:49/mi
25.2M
2:52:52
Rank: #4113 (+33)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:59:40
Rank: #4098 (+15)
25.2M → Finish
6:48 | 6:40/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:30
Pace6:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:10
Pace6:53 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5521:216:5221:21
6:52
-
10K
6.21 mi10:47:1442:406:5221:19
6:52
0:00
15K
9.32 mi11:08:211:03:476:5121:07
6:48
-0:04
20K
12.43 mi11:29:301:24:566:5021:09
6:48
0:00
Half
13.11 mi11:34:041:29:306:504:34
6:42
-0:06
25K
15.53 mi11:50:351:46:016:4916:31
6:49
+0:07
30K
18.64 mi12:12:112:07:376:5121:36
6:57
+0:08
20M
20.00 mi12:21:352:17:016:519:24
6:55
-0:02
21M
21.00 mi12:28:562:24:226:527:21
7:21
+0:26
35K
21.75 mi12:33:532:29:196:524:57
6:37
-0:44
23M
23.00 mi12:42:272:37:536:528:34
6:51
+0:14
24M
24.00 mi12:49:052:44:316:516:38
6:38
-0:13
40K
24.85 mi12:54:552:50:216:515:50
6:49
+0:11
25.2M
25.20 mi12:57:262:52:526:522:31
7:18
+0:29
Finish
26.22 mi13:04:142:59:406:516:48
6:40
-0:38

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

6:37 /mi

Average Pace

6:51 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:48

95% of race

Time at Steady Pace

9:52

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:25:5521:216:5221:21
6:52
#5313
10K
6.21 mi10:47:1442:406:5221:19
6:52
#5554
15K
9.32 mi11:08:211:03:476:5121:07
6:48
#5397
20K
12.43 mi11:29:301:24:566:5021:09
6:48
#5174
Half
13.11 mi11:34:041:29:306:504:34
6:42
#5129
25K
15.53 mi11:50:351:46:016:4916:31
6:49
#4935
30K
18.64 mi12:12:112:07:376:5121:36
6:57
#4713
20M
20.00 mi12:21:352:17:016:519:24
6:55
#4587
21M
21.00 mi12:28:562:24:226:527:21
7:21
#4539
35K
21.75 mi12:33:532:29:196:524:57
6:37
#4449
23M
23.00 mi12:42:272:37:536:528:34
6:51
#4307
24M
24.00 mi12:49:052:44:316:516:38
6:38
#4233
40K
24.85 mi12:54:552:50:216:515:50
6:49
#4146
25.2M
25.20 mi12:57:262:52:526:522:31
7:18
#4113
Finish
26.22 mi13:04:142:59:406:516:48
6:40
#4098
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5313491149115068(Top 19%)4695(Top 31%)4695(Top 89%)
10K6.21 mi3.10 mi5554-2415118-2075118-2075822(Top 22%)5315(Top 35%)5315(Top 101%)
15K9.32 mi3.11 mi5397+1574988+1304988+1305068(Top 19%)4695(Top 31%)4695(Top 89%)
20K12.43 mi3.11 mi5174+2234796+1924796+1924498(Top 17%)4194(Top 28%)4194(Top 79%)
Half13.11 mi0.68 mi5129+454758+384758+384263(Top 16%)3987(Top 26%)3987(Top 75%)
25K15.53 mi2.42 mi4935+1944587+1714587+1714254(Top 16%)3979(Top 26%)3979(Top 75%)
30K18.64 mi3.11 mi4713+2224393+1944393+1944027(Top 15%)3761(Top 25%)3761(Top 71%)
20M20.00 mi1.36 mi4587+1264277+1164277+1163542(Top 13%)3307(Top 22%)3307(Top 63%)
21M21.00 mi1.00 mi4539+484234+434234+433876(Top 15%)3584(Top 24%)3584(Top 68%)
35K21.75 mi0.75 mi4449+904149+854149+853119(Top 12%)2921(Top 19%)2921(Top 55%)
23M23.00 mi1.25 mi4307+1424028+1214028+1212919(Top 11%)2729(Top 18%)2729(Top 52%)
24M24.00 mi1.00 mi4233+743963+653963+652778(Top 10%)2587(Top 17%)2587(Top 49%)
40K24.85 mi0.85 mi4146+873880+833880+832960(Top 11%)2727(Top 18%)2727(Top 52%)
25.2M25.20 mi0.35 mi4113+333850+303850+302971(Top 11%)2726(Top 18%)2726(Top 52%)
Finish26.22 mi1.02 mi4098+153833+173833+173361(Top 13%)3019(Top 20%)3019(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5068

Males

4695

M18-39

4695

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5822

Males

5315

M18-39

5315

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5068

Males

4695

M18-39

4695

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4498

Males

4194

M18-39

4194

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4263

Males

3987

M18-39

3987

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4254

Males

3979

M18-39

3979

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4027

Males

3761

M18-39

3761

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3542

Males

3307

M18-39

3307

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3876

Males

3584

M18-39

3584

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3119

Males

2921

M18-39

2921

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2919

Males

2729

M18-39

2729

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2778

Males

2587

M18-39

2587

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2960

Males

2727

M18-39

2727

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2971

Males

2726

M18-39

2726

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3361

Males

3019

M18-39

3019

Passing Analysis

Category:
Athletes Passed
1846
Passed By
631
Net Change
+1215
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5313
5K → 10K113354-241#5313#5554
10K → 15K20851+157#5554#5397
15K → 20K24522+223#5397#5174
20K → Half505+45#5174#5129
Half → 25K21218+194#5129#4935
25K → 30K25836+222#4935#4713
30K → 20M14014+126#4713#4587
20M → 21M8638+48#4587#4539
21M → 35K977+90#4539#4449
35K → 23M15917+142#4449#4307
23M → 24M9016+74#4307#4233
24M → 40K969+87#4233#4146
40K → 25.2M407+33#4146#4113
25.2M → Finish5237+15#4113#4098
TOTALS1846631+1215
📊

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