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BOSTON MARATHON 2023

Thomas Collins

Bib: 8020•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 21%
Masters (Masters Men)
#0 / 9891
Top 8%
Division (M40-44)
#0 / 2241
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:41
Rank: #3290
Start → 5K
20:41 | 6:39/mi
10K· 6.21 mi
41:01
Rank: #3172 (+118)
5K → 10K
20:20 | 6:33/mi
15K· 9.32 mi
1:01:40
Rank: #3318 (-146)
10K → 15K
20:39 | 6:39/mi
20K· 12.43 mi
1:22:22
Rank: #3275 (+43)
15K → 20K
20:42 | 6:40/mi
Half· 13.11 mi
1:26:56
Rank: #3332 (-57)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:43:30
Rank: #3443 (-111)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:05:21
Rank: #3642 (-199)
25K → 30K
21:51 | 7:02/mi
20M
2:14:58
Rank: #3683 (-41)
30K → 20M
9:37 | 7:05/mi
21M
2:22:27
Rank: #3725 (-42)
20M → 21M
7:29 | 7:29/mi
35K· 21.75 mi
2:27:28
Rank: #3699 (+26)
21M → 35K
5:01 | 6:42/mi
23M
2:36:05
Rank: #3612 (+87)
35K → 23M
8:37 | 6:53/mi
24M
2:42:35
Rank: #3504 (+108)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:48:19
Rank: #3435 (+69)
24M → 40K
5:44 | 6:42/mi
25.2M
2:50:47
Rank: #3408 (+27)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:57:24
Rank: #3304 (+104)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:56
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:30:28
Pace6:54 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:5620:416:3920:41
6:39
-
10K
6.21 mi11:06:1641:016:3620:20
6:33
-0:06
15K
9.32 mi11:26:551:01:406:3720:39
6:39
+0:06
20K
12.43 mi11:47:371:22:226:3820:42
6:40
+0:01
Half
13.11 mi11:52:111:26:566:384:34
6:42
+0:02
25K
15.53 mi12:08:451:43:306:4016:34
6:50
+0:08
30K
18.64 mi12:30:362:05:216:4321:51
7:02
+0:12
20M
20.00 mi12:40:132:14:586:459:37
7:05
+0:03
21M
21.00 mi12:47:422:22:276:477:29
7:29
+0:24
35K
21.75 mi12:52:432:27:286:475:01
6:42
-0:47
23M
23.00 mi13:01:202:36:056:478:37
6:53
+0:11
24M
24.00 mi13:07:502:42:356:466:30
6:30
-0:23
40K
24.85 mi13:13:342:48:196:465:44
6:42
+0:12
25.2M
25.20 mi13:16:022:50:476:472:28
7:09
+0:27
Finish
26.22 mi13:22:392:57:246:466:37
6:30
-0:39

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

6:30 /mi

Average Pace

6:46 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:27

94% of race

Time at Steady Pace

9:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:45:5620:416:3920:41
6:39
#3290
10K
6.21 mi11:06:1641:016:3620:20
6:33
#3172
15K
9.32 mi11:26:551:01:406:3720:39
6:39
#3318
20K
12.43 mi11:47:371:22:226:3820:42
6:40
#3275
Half
13.11 mi11:52:111:26:566:384:34
6:42
#3332
25K
15.53 mi12:08:451:43:306:4016:34
6:50
#3443
30K
18.64 mi12:30:362:05:216:4321:51
7:02
#3642
20M
20.00 mi12:40:132:14:586:459:37
7:05
#3683
21M
21.00 mi12:47:422:22:276:477:29
7:29
#3725
35K
21.75 mi12:52:432:27:286:475:01
6:42
#3699
23M
23.00 mi13:01:202:36:056:478:37
6:53
#3612
24M
24.00 mi13:07:502:42:356:466:30
6:30
#3504
40K
24.85 mi13:13:342:48:196:465:44
6:42
#3435
25.2M
25.20 mi13:16:022:50:476:472:28
7:09
#3408
Finish
26.22 mi13:22:392:57:246:466:37
6:30
#3304
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3290310831083663(Top 14%)3454(Top 23%)3454(Top 154%)
10K6.21 mi3.10 mi3172+1183010+983010+983080(Top 12%)2938(Top 19%)2938(Top 131%)
15K9.32 mi3.11 mi3318-1463151-1413151-1413663(Top 14%)3454(Top 23%)3454(Top 154%)
20K12.43 mi3.11 mi3275+433115+363115+363275(Top 12%)3109(Top 20%)3109(Top 139%)
Half13.11 mi0.68 mi3332-573168-533168-534197(Top 16%)3921(Top 26%)3921(Top 175%)
25K15.53 mi2.42 mi3443-1113267-993267-994408(Top 17%)4106(Top 27%)4106(Top 183%)
30K18.64 mi3.11 mi3642-1993443-1763443-1764545(Top 17%)4207(Top 28%)4207(Top 188%)
20M20.00 mi1.36 mi3683-413479-363479-364449(Top 17%)4090(Top 27%)4090(Top 183%)
21M21.00 mi1.00 mi3725-423516-373516-374464(Top 17%)4066(Top 27%)4066(Top 181%)
35K21.75 mi0.75 mi3699+263491+253491+253576(Top 13%)3310(Top 22%)3310(Top 148%)
23M23.00 mi1.25 mi3612+873411+803411+803112(Top 12%)2898(Top 19%)2898(Top 129%)
24M24.00 mi1.00 mi3504+1083311+1003311+1002108(Top 8%)1978(Top 13%)1978(Top 88%)
40K24.85 mi0.85 mi3435+693245+663245+662381(Top 9%)2211(Top 15%)2211(Top 99%)
25.2M25.20 mi0.35 mi3408+273219+263219+262335(Top 9%)2168(Top 14%)2168(Top 97%)
Finish26.22 mi1.02 mi3304+1043124+953124+952445(Top 9%)2253(Top 15%)2253(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3663

Males

3454

M40-44

3454

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3080

Males

2938

M40-44

2938

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3663

Males

3454

M40-44

3454

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3275

Males

3109

M40-44

3109

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4197

Males

3921

M40-44

3921

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4408

Males

4106

M40-44

4106

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4545

Males

4207

M40-44

4207

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4449

Males

4090

M40-44

4090

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4464

Males

4066

M40-44

4066

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3576

Males

3310

M40-44

3310

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3112

Males

2898

M40-44

2898

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2108

Males

1978

M40-44

1978

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2381

Males

2211

M40-44

2211

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2335

Males

2168

M40-44

2168

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2445

Males

2253

M40-44

2253

Passing Analysis

Category:
Athletes Passed
1046
Passed By
1060
Net Change
-14
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3290
5K → 10K220102+118#3290#3172
10K → 15K47193-146#3172#3318
15K → 20K10461+43#3318#3275
20K → Half562-57#3275#3332
Half → 25K40151-111#3332#3443
25K → 30K47246-199#3443#3642
30K → 20M4889-41#3642#3683
20M → 21M4587-42#3683#3725
21M → 35K4216+26#3725#3699
35K → 23M10821+87#3699#3612
23M → 24M1135+108#3612#3504
24M → 40K7910+69#3504#3435
40K → 25.2M347+27#3435#3408
25.2M → Finish11410+104#3408#3304
TOTALS10461060-14
📊

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