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BOSTON MARATHON 2023

Cameron Chester

Bib: 1394•M

OR

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0:00
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Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
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
20:37
Rank: #3148
Start → 5K
20:37 | 6:38/mi
10K· 6.21 mi
41:24
Rank: #3647 (-499)
5K → 10K
20:47 | 6:41/mi
15K· 9.32 mi
1:02:22
Rank: #3940 (-293)
10K → 15K
20:58 | 6:45/mi
20K· 12.43 mi
1:23:35
Rank: #4130 (-190)
15K → 20K
21:13 | 6:50/mi
Half· 13.11 mi
1:28:16
Rank: #4204 (-74)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:45:47
Rank: #4796 (-592)
Half → 25K
17:31 | 7:13/mi
30K· 18.64 mi
2:10:45
Rank: #5900 (-1104)
25K → 30K
24:58 | 8:02/mi
20M
2:22:17
Rank: #6317 (-417)
30K → 20M
11:32 | 8:29/mi
21M
2:31:08
Rank: #6569 (-252)
20M → 21M
8:51 | 8:51/mi
35K· 21.75 mi
2:37:18
Rank: #6740 (-171)
21M → 35K
6:10 | 8:15/mi
23M
2:48:00
Rank: #7028 (-288)
35K → 23M
10:42 | 8:33/mi
24M
2:56:12
Rank: #7234 (-206)
23M → 24M
8:12 | 8:12/mi
40K· 24.85 mi
3:03:20
Rank: #7371 (-137)
24M → 40K
7:08 | 8:21/mi
25.2M
3:06:17
Rank: #7412 (-41)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:14:01
Rank: #7446 (-34)
25.2M → Finish
7:44 | 7:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:16
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:45:45
Pace8:04 /mi
📊Positive Split: 19.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1020:376:3820:37
6:38
-
10K
6.21 mi10:41:5741:246:4020:47
6:41
+0:03
15K
9.32 mi11:02:551:02:226:4120:58
6:45
+0:04
20K
12.43 mi11:24:081:23:356:4421:13
6:50
+0:05
Half
13.11 mi11:28:491:28:166:444:41
6:52
+0:02
25K
15.53 mi11:46:201:45:476:4917:31
7:13
+0:21
30K
18.64 mi12:11:182:10:457:0124:58
8:02
+0:49
20M
20.00 mi12:22:502:22:177:0711:32
8:29
+0:27
21M
21.00 mi12:31:412:31:087:128:51
8:51
+0:22
35K
21.75 mi12:37:512:37:187:146:10
8:15
-0:36
23M
23.00 mi12:48:332:48:007:1810:42
8:33
+0:18
24M
24.00 mi12:56:452:56:127:218:12
8:12
-0:21
40K
24.85 mi13:03:533:03:207:237:08
8:21
+0:09
25.2M
25.20 mi13:06:503:06:177:242:57
8:33
+0:12
Finish
26.22 mi13:14:343:14:017:247:44
7:35
-0:58

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

6:38 /mi

Average Pace

7:24 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:31

59% of race

Time at Steady Pace

46:28

24% of race

Time at Slower Pace

34:02

18% of race

Average Pace: 7:24 /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 mi10:21:1020:376:3820:37
6:38
#3148
10K
6.21 mi10:41:5741:246:4020:47
6:41
#3647
15K
9.32 mi11:02:551:02:226:4120:58
6:45
#3940
20K
12.43 mi11:24:081:23:356:4421:13
6:50
#4130
Half
13.11 mi11:28:491:28:166:444:41
6:52
#4204
25K
15.53 mi11:46:201:45:476:4917:31
7:13
#4796
30K
18.64 mi12:11:182:10:457:0124:58
8:02
#5900
20M
20.00 mi12:22:502:22:177:0711:32
8:29
#6317
21M
21.00 mi12:31:412:31:087:128:51
8:51
#6569
35K
21.75 mi12:37:512:37:187:146:10
8:15
#6740
23M
23.00 mi12:48:332:48:007:1810:42
8:33
#7028
24M
24.00 mi12:56:452:56:127:218:12
8:12
#7234
40K
24.85 mi13:03:533:03:207:237:08
8:21
#7371
25.2M
25.20 mi13:06:503:06:177:242:57
8:33
#7412
Finish
26.22 mi13:14:343:14:017:247:44
7:35
#7446
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3148297629764612(Top 17%)4308(Top 28%)4308(Top 82%)
10K6.21 mi3.10 mi3647-4993441-4653441-4654249(Top 16%)3982(Top 26%)3982(Top 75%)
15K9.32 mi3.11 mi3940-2933710-2693710-2694612(Top 17%)4308(Top 28%)4308(Top 82%)
20K12.43 mi3.11 mi4130-1903877-1673877-1674727(Top 18%)4399(Top 29%)4399(Top 83%)
Half13.11 mi0.68 mi4204-743941-643941-645806(Top 22%)5338(Top 35%)5338(Top 101%)
25K15.53 mi2.42 mi4796-5924465-5244465-5246820(Top 26%)6025(Top 40%)6025(Top 114%)
30K18.64 mi3.11 mi5900-11045387-9225387-92211170(Top 42%)8428(Top 56%)8428(Top 159%)
20M20.00 mi1.36 mi6317-4175693-3065693-30613514(Top 51%)9356(Top 62%)9356(Top 177%)
21M21.00 mi1.00 mi6569-2525863-1705863-17012505(Top 47%)8789(Top 58%)8789(Top 166%)
35K21.75 mi0.75 mi6740-1715990-1275990-12713677(Top 51%)9250(Top 61%)9250(Top 175%)
23M23.00 mi1.25 mi7028-2886169-1796169-17913475(Top 51%)9123(Top 60%)9123(Top 173%)
24M24.00 mi1.00 mi7234-2066293-1246293-12412548(Top 47%)8638(Top 57%)8638(Top 163%)
40K24.85 mi0.85 mi7371-1376358-656358-6512288(Top 46%)8444(Top 56%)8444(Top 160%)
25.2M25.20 mi0.35 mi7412-416374-166374-169775(Top 37%)7161(Top 47%)7161(Top 135%)
Finish26.22 mi1.02 mi7446-346376-26376-29169(Top 34%)6839(Top 45%)6839(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4612

Males

4308

M18-39

4308

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4249

Males

3982

M18-39

3982

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4612

Males

4308

M18-39

4308

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4727

Males

4399

M18-39

4399

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5806

Males

5338

M18-39

5338

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6820

Males

6025

M18-39

6025

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11170

Males

8428

M18-39

8428

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13514

Males

9356

M18-39

9356

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12505

Males

8789

M18-39

8789

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13677

Males

9250

M18-39

9250

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13475

Males

9123

M18-39

9123

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

12548

Males

8638

M18-39

8638

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12288

Males

8444

M18-39

8444

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9775

Males

7161

M18-39

7161

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9169

Males

6839

M18-39

6839

Passing Analysis

Category:
Athletes Passed
342
Passed By
4640
Net Change
-4298
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3148
5K → 10K48547-499#3148#3647
10K → 15K39332-293#3647#3940
15K → 20K52242-190#3940#4130
20K → Half478-74#4130#4204
Half → 25K23615-592#4204#4796
25K → 30K91113-1104#4796#5900
30K → 20M5422-417#5900#6317
20M → 21M14266-252#6317#6569
21M → 35K13184-171#6569#6740
35K → 23M26314-288#6740#7028
23M → 24M13219-206#7028#7234
24M → 40K22159-137#7234#7371
40K → 25.2M1556-41#7371#7412
25.2M → Finish5993-34#7412#7446
TOTALS3424640-4298
📊

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