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BOSTON MARATHON 2023

Carston Feigleson

Bib: 3173•M

GA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
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
21:59
Rank: #6737
Start → 5K
21:59 | 7:05/mi
10K· 6.21 mi
44:16
Rank: #7267 (-530)
5K → 10K
22:17 | 7:10/mi
15K· 9.32 mi
1:06:45
Rank: #7501 (-234)
10K → 15K
22:29 | 7:14/mi
20K· 12.43 mi
1:29:54
Rank: #7790 (-289)
15K → 20K
23:09 | 7:27/mi
Half· 13.11 mi
1:34:53
Rank: #7823 (-33)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:53:14
Rank: #7990 (-167)
Half → 25K
18:21 | 7:34/mi
30K· 18.64 mi
2:18:04
Rank: #8406 (-416)
25K → 30K
24:50 | 8:00/mi
20M
2:29:18
Rank: #8675 (-269)
30K → 20M
11:14 | 8:16/mi
21M
2:38:20
Rank: #8954 (-279)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
2:44:21
Rank: #9065 (-111)
21M → 35K
6:01 | 8:03/mi
23M
2:55:25
Rank: #9425 (-360)
35K → 23M
11:04 | 8:50/mi
24M
3:04:21
Rank: #9784 (-359)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:11:44
Rank: #9952 (-168)
24M → 40K
7:23 | 8:38/mi
25.2M
3:14:50
Rank: #9976 (-24)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:22:38
Rank: #9932 (+44)
25.2M → Finish
7:48 | 7:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:53
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:47:45
Pace8:13 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3121:597:0521:59
7:05
-
10K
6.21 mi10:45:4844:167:0722:17
7:10
+0:05
15K
9.32 mi11:08:171:06:457:1022:29
7:14
+0:04
20K
12.43 mi11:31:261:29:547:1423:09
7:27
+0:13
Half
13.11 mi11:36:251:34:537:144:59
7:18
-0:09
25K
15.53 mi11:54:461:53:147:1718:21
7:34
+0:16
30K
18.64 mi12:19:362:18:047:2424:50
8:00
+0:26
20M
20.00 mi12:30:502:29:187:2811:14
8:16
+0:16
21M
21.00 mi12:39:522:38:207:329:02
9:02
+0:46
35K
21.75 mi12:45:532:44:217:336:01
8:03
-0:59
23M
23.00 mi12:56:572:55:257:3811:04
8:50
+0:47
24M
24.00 mi13:05:533:04:217:418:56
8:56
+0:06
40K
24.85 mi13:13:163:11:447:437:23
8:38
-0:18
25.2M
25.20 mi13:16:223:14:507:443:06
8:59
+0:21
Finish
26.22 mi13:24:103:22:387:447:48
7:39
-1:20

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

7:05 /mi

Average Pace

7:44 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:02

60% of race

Time at Steady Pace

42:05

21% of race

Time at Slower Pace

39:31

20% of race

Average Pace: 7:44 /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 mi10:23:3121:597:0521:59
7:05
#6737
10K
6.21 mi10:45:4844:167:0722:17
7:10
#7267
15K
9.32 mi11:08:171:06:457:1022:29
7:14
#7501
20K
12.43 mi11:31:261:29:547:1423:09
7:27
#7790
Half
13.11 mi11:36:251:34:537:144:59
7:18
#7823
25K
15.53 mi11:54:461:53:147:1718:21
7:34
#7990
30K
18.64 mi12:19:362:18:047:2424:50
8:00
#8406
20M
20.00 mi12:30:502:29:187:2811:14
8:16
#8675
21M
21.00 mi12:39:522:38:207:329:02
9:02
#8954
35K
21.75 mi12:45:532:44:217:336:01
8:03
#9065
23M
23.00 mi12:56:572:55:257:3811:04
8:50
#9425
24M
24.00 mi13:05:533:04:217:418:56
8:56
#9784
40K
24.85 mi13:13:163:11:447:437:23
8:38
#9952
25.2M
25.20 mi13:16:223:14:507:443:06
8:59
#9976
Finish
26.22 mi13:24:103:22:387:447:48
7:39
#9932
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6737607860788059(Top 30%)6962(Top 46%)6962(Top 132%)
10K6.21 mi3.10 mi7267-5306455-3776455-3777914(Top 30%)6882(Top 45%)6882(Top 130%)
15K9.32 mi3.11 mi7501-2346624-1696624-1698059(Top 30%)6962(Top 46%)6962(Top 132%)
20K12.43 mi3.11 mi7790-2896801-1776801-1778919(Top 34%)7458(Top 49%)7458(Top 141%)
Half13.11 mi0.68 mi7823-336823-226823-228638(Top 32%)7302(Top 48%)7302(Top 138%)
25K15.53 mi2.42 mi7990-1676909-866909-869289(Top 35%)7604(Top 50%)7604(Top 144%)
30K18.64 mi3.11 mi8406-4167128-2197128-21910826(Top 41%)8252(Top 54%)8252(Top 156%)
20M20.00 mi1.36 mi8675-2697281-1537281-15312107(Top 45%)8744(Top 58%)8744(Top 165%)
21M21.00 mi1.00 mi8954-2797433-1527433-15213568(Top 51%)9295(Top 61%)9295(Top 176%)
35K21.75 mi0.75 mi9065-1117486-537486-5312374(Top 46%)8708(Top 57%)8708(Top 165%)
23M23.00 mi1.25 mi9425-3607677-1917677-19115169(Top 57%)9870(Top 65%)9870(Top 187%)
24M24.00 mi1.00 mi9784-3597841-1647841-16416890(Top 63%)10567(Top 70%)10567(Top 200%)
40K24.85 mi0.85 mi9952-1687899-587899-5814123(Top 53%)9281(Top 61%)9281(Top 176%)
25.2M25.20 mi0.35 mi9976-247895+47895+412362(Top 46%)8425(Top 56%)8425(Top 159%)
Finish26.22 mi1.02 mi9932+447854+417854+419637(Top 36%)7088(Top 47%)7088(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8059

Males

6962

M18-39

6962

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

7914

Males

6882

M18-39

6882

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8059

Males

6962

M18-39

6962

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8919

Males

7458

M18-39

7458

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8638

Males

7302

M18-39

7302

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9289

Males

7604

M18-39

7604

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10826

Males

8252

M18-39

8252

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12107

Males

8744

M18-39

8744

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13568

Males

9295

M18-39

9295

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12374

Males

8708

M18-39

8708

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15169

Males

9870

M18-39

9870

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16890

Males

10567

M18-39

10567

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14123

Males

9281

M18-39

9281

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12362

Males

8425

M18-39

8425

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9637

Males

7088

M18-39

7088

Passing Analysis

Category:
Athletes Passed
515*
Passed By
3710
Net Change
-3195
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6737
5K → 10K43573-530#6737#7267
10K → 15K56290-234#7267#7501
15K → 20K47336-289#7501#7790
20K → Half1245-33#7790#7823
Half → 25K50217-167#7823#7990
25K → 30K50466-416#7990#8406
30K → 20M28297-269#8406#8675
20M → 21M22301-279#8675#8954
21M → 35K19130-111#8954#9065
35K → 23M19379-360#9065#9425
23M → 24M11370-359#9425#9784
24M → 40K29197-168#9784#9952
40K → 25.2M2549-24#9952#9976
25.2M → Finish104*60+44#9976#9932
TOTALS515*3710-3195

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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