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BOSTON MARATHON 2023

Colin Sawyer

Bib: 1458•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 25%
Gender (Male)
#0 / 15176
Top 39%
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: #5338
Start → 5K
21:21 | 6:52/mi
10K· 6.21 mi
42:25
Rank: #5192 (+146)
5K → 10K
21:04 | 6:47/mi
15K· 9.32 mi
1:04:24
Rank: #5918 (-726)
10K → 15K
21:59 | 7:05/mi
20K· 12.43 mi
1:26:22
Rank: #6050 (-132)
15K → 20K
21:58 | 7:04/mi
Half· 13.11 mi
1:31:06
Rank: #6052 (-2)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:48:38
Rank: #6180 (-128)
Half → 25K
17:32 | 7:14/mi
30K· 18.64 mi
2:12:50
Rank: #6549 (-369)
25K → 30K
24:12 | 7:47/mi
20M
2:23:32
Rank: #6690 (-141)
30K → 20M
10:42 | 7:52/mi
21M
2:31:31
Rank: #6673 (+17)
20M → 21M
7:59 | 7:59/mi
35K· 21.75 mi
2:37:11
Rank: #6708 (-35)
21M → 35K
5:40 | 7:34/mi
23M
2:46:51
Rank: #6719 (-11)
35K → 23M
9:40 | 7:43/mi
24M
2:54:54
Rank: #6865 (-146)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:01:27
Rank: #6861 (+4)
24M → 40K
6:33 | 7:40/mi
25.2M
3:04:09
Rank: #6805 (+56)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:11:13
Rank: #6683 (+122)
25.2M → Finish
7:04 | 6:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:06
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:40:07
Pace7:38 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5021:216:5221:21
6:52
-
10K
6.21 mi10:43:5442:256:5021:04
6:47
-0:05
15K
9.32 mi11:05:531:04:246:5521:59
7:05
+0:18
20K
12.43 mi11:27:511:26:226:5721:58
7:04
-0:01
Half
13.11 mi11:32:351:31:066:574:44
6:56
-0:08
25K
15.53 mi11:50:071:48:387:0017:32
7:14
+0:18
30K
18.64 mi12:14:192:12:507:0824:12
7:47
+0:33
20M
20.00 mi12:25:012:23:327:1110:42
7:52
+0:05
21M
21.00 mi12:33:002:31:317:137:59
7:59
+0:07
35K
21.75 mi12:38:402:37:117:145:40
7:34
-0:25
23M
23.00 mi12:48:202:46:517:159:40
7:43
+0:09
24M
24.00 mi12:56:232:54:547:178:03
8:03
+0:20
40K
24.85 mi13:02:563:01:277:186:33
7:40
-0:23
25.2M
25.20 mi13:05:383:04:097:182:42
7:50
+0:10
Finish
26.22 mi13:12:423:11:137:187:04
6:56
-0:54

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

6:47 /mi

Average Pace

7:18 /mi

Slowest Pace

8:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:42

61% of race

Time at Steady Pace

1:07:28

35% of race

Time at Slower Pace

8:03

4% of race

Average Pace: 7:18 /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 mi10:22:5021:216:5221:21
6:52
#5338
10K
6.21 mi10:43:5442:256:5021:04
6:47
#5192
15K
9.32 mi11:05:531:04:246:5521:59
7:05
#5918
20K
12.43 mi11:27:511:26:226:5721:58
7:04
#6050
Half
13.11 mi11:32:351:31:066:574:44
6:56
#6052
25K
15.53 mi11:50:071:48:387:0017:32
7:14
#6180
30K
18.64 mi12:14:192:12:507:0824:12
7:47
#6549
20M
20.00 mi12:25:012:23:327:1110:42
7:52
#6690
21M
21.00 mi12:33:002:31:317:137:59
7:59
#6673
35K
21.75 mi12:38:402:37:117:145:40
7:34
#6708
23M
23.00 mi12:48:202:46:517:159:40
7:43
#6719
24M
24.00 mi12:56:232:54:547:178:03
8:03
#6865
40K
24.85 mi13:02:563:01:277:186:33
7:40
#6861
25.2M
25.20 mi13:05:383:04:097:182:42
7:50
#6805
Finish
26.22 mi13:12:423:11:137:187:04
6:56
#6683
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5338493649366999(Top 26%)6244(Top 41%)6244(Top 118%)
10K6.21 mi3.10 mi5192+1464809+1274809+1275112(Top 19%)4730(Top 31%)4730(Top 89%)
15K9.32 mi3.11 mi5918-7265414-6055414-6056999(Top 26%)6244(Top 41%)6244(Top 118%)
20K12.43 mi3.11 mi6050-1325517-1035517-1036394(Top 24%)5765(Top 38%)5765(Top 109%)
Half13.11 mi0.68 mi6052-25518-15518-16210(Top 23%)5653(Top 37%)5653(Top 107%)
25K15.53 mi2.42 mi6180-1285614-965614-966849(Top 26%)6048(Top 40%)6048(Top 114%)
30K18.64 mi3.11 mi6549-3695881-2675881-2679253(Top 35%)7420(Top 49%)7420(Top 140%)
20M20.00 mi1.36 mi6690-1415969-885969-889348(Top 35%)7376(Top 49%)7376(Top 140%)
21M21.00 mi1.00 mi6673+175939+305939+307219(Top 27%)5997(Top 40%)5997(Top 113%)
35K21.75 mi0.75 mi6708-355963-245963-249025(Top 34%)7068(Top 47%)7068(Top 134%)
23M23.00 mi1.25 mi6719-115957+65957+67833(Top 29%)6317(Top 42%)6317(Top 120%)
24M24.00 mi1.00 mi6865-1466041-846041-8411537(Top 43%)8160(Top 54%)8160(Top 154%)
40K24.85 mi0.85 mi6861+46022+196022+197666(Top 29%)6030(Top 40%)6030(Top 114%)
25.2M25.20 mi0.35 mi6805+565972+505972+505532(Top 21%)4631(Top 31%)4631(Top 88%)
Finish26.22 mi1.02 mi6683+1225872+1005872+1004833(Top 18%)4156(Top 27%)4156(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

6999

Males

6244

M18-39

6244

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5112

Males

4730

M18-39

4730

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

6999

Males

6244

M18-39

6244

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6394

Males

5765

M18-39

5765

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6210

Males

5653

M18-39

5653

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6849

Males

6048

M18-39

6048

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9253

Males

7420

M18-39

7420

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9348

Males

7376

M18-39

7376

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7219

Males

5997

M18-39

5997

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9025

Males

7068

M18-39

7068

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7833

Males

6317

M18-39

6317

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11537

Males

8160

M18-39

8160

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7666

Males

6030

M18-39

6030

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5532

Males

4631

M18-39

4631

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4833

Males

4156

M18-39

4156

Passing Analysis

Category:
Athletes Passed
905
Passed By
2250
Net Change
-1345
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5338
5K → 10K278132+146#5338#5192
10K → 15K9735-726#5192#5918
15K → 20K60192-132#5918#6050
20K → Half1517-2#6050#6052
Half → 25K47175-128#6052#6180
25K → 30K43412-369#6180#6549
30K → 20M24165-141#6549#6690
20M → 21M7255+17#6690#6673
21M → 35K2863-35#6673#6708
35K → 23M6576-11#6708#6719
23M → 24M21167-146#6719#6865
24M → 40K5046+4#6865#6861
40K → 25.2M637+56#6861#6805
25.2M → Finish1308+122#6805#6683
TOTALS9052250-1345
📊

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