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BOSTON MARATHON 2023

David Feron

Bib: 20937•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:10
Rank: #19135
Start → 5K
27:10 | 8:45/mi
10K· 6.21 mi
54:24
Rank: #19429 (-294)
5K → 10K
27:14 | 8:46/mi
15K· 9.32 mi
1:21:26
Rank: #19244 (+185)
10K → 15K
27:02 | 8:42/mi
20K· 12.43 mi
1:48:42
Rank: #19047 (+197)
15K → 20K
27:16 | 8:47/mi
Half· 13.11 mi
1:54:36
Rank: #19035 (+12)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:15:46
Rank: #18800 (+235)
Half → 25K
21:10 | 8:44/mi
30K· 18.64 mi
2:43:35
Rank: #18428 (+372)
25K → 30K
27:49 | 8:57/mi
20M
2:55:42
Rank: #18241 (+187)
30K → 20M
12:07 | 8:55/mi
21M
3:04:59
Rank: #18012 (+229)
20M → 21M
9:17 | 9:17/mi
35K· 21.75 mi
3:11:21
Rank: #17932 (+80)
21M → 35K
6:22 | 8:31/mi
23M
3:22:37
Rank: #17838 (+94)
35K → 23M
11:16 | 9:00/mi
24M
3:31:28
Rank: #17769 (+69)
23M → 24M
8:51 | 8:51/mi
40K· 24.85 mi
3:39:19
Rank: #17755 (+14)
24M → 40K
7:51 | 9:11/mi
25.2M
3:42:43
Rank: #17748 (+7)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:51:51
Rank: #17756 (-8)
25.2M → Finish
9:08 | 8:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:36
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time1:57:15
Pace8:57 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2327:108:4527:10
8:45
-
10K
6.21 mi11:46:3754:248:4527:14
8:46
+0:01
15K
9.32 mi12:13:391:21:268:4427:02
8:42
-0:04
20K
12.43 mi12:40:551:48:428:4527:16
8:47
+0:05
Half
13.11 mi12:46:491:54:368:445:54
8:39
-0:08
25K
15.53 mi13:07:592:15:468:4421:10
8:44
+0:05
30K
18.64 mi13:35:482:43:358:4727:49
8:57
+0:13
20M
20.00 mi13:47:552:55:428:4712:07
8:55
-0:02
21M
21.00 mi13:57:123:04:598:499:17
9:17
+0:22
35K
21.75 mi14:03:343:11:218:486:22
8:31
-0:46
23M
23.00 mi14:14:503:22:378:4911:16
9:00
+0:29
24M
24.00 mi14:23:413:31:288:498:51
8:51
-0:09
40K
24.85 mi14:31:323:39:198:497:51
9:11
+0:20
25.2M
25.20 mi14:34:563:42:438:503:24
9:52
+0:41
Finish
26.22 mi14:44:043:51:518:519:08
8:58
-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

8:31 /mi

Average Pace

8:51 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:48:27

99% of race

Time at Steady Pace

3:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:51 /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 mi11:19:2327:108:4527:10
8:45
#19135
10K
6.21 mi11:46:3754:248:4527:14
8:46
#19429
15K
9.32 mi12:13:391:21:268:4427:02
8:42
#19244
20K
12.43 mi12:40:551:48:428:4527:16
8:47
#19047
Half
13.11 mi12:46:491:54:368:445:54
8:39
#19035
25K
15.53 mi13:07:592:15:468:4421:10
8:44
#18800
30K
18.64 mi13:35:482:43:358:4727:49
8:57
#18428
20M
20.00 mi13:47:552:55:428:4712:07
8:55
#18241
21M
21.00 mi13:57:123:04:598:499:17
9:17
#18012
35K
21.75 mi14:03:343:11:218:486:22
8:31
#17932
23M
23.00 mi14:14:503:22:378:4911:16
9:00
#17838
24M
24.00 mi14:23:413:31:288:498:51
8:51
#17769
40K
24.85 mi14:31:323:39:198:497:51
9:11
#17755
25.2M
25.20 mi14:34:563:42:438:503:24
9:52
#17748
Finish
26.22 mi14:44:043:51:518:519:08
8:58
#17756
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi19135118301183018976(Top 71%)11870(Top 78%)11870(Top 2162%)
10K6.21 mi3.10 mi19429-29411992-16211992-16219751(Top 74%)12182(Top 80%)12182(Top 2219%)
15K9.32 mi3.11 mi19244+18511944+4811944+4818976(Top 71%)11870(Top 78%)11870(Top 2162%)
20K12.43 mi3.11 mi19047+19711880+6411880+6418536(Top 70%)11700(Top 77%)11700(Top 2131%)
Half13.11 mi0.68 mi19035+1211871+911871+918562(Top 70%)11723(Top 77%)11723(Top 2135%)
25K15.53 mi2.42 mi18800+23511769+10211769+10217530(Top 66%)11212(Top 74%)11212(Top 2042%)
30K18.64 mi3.11 mi18428+37211583+18611583+18616925(Top 64%)10883(Top 72%)10883(Top 1982%)
20M20.00 mi1.36 mi18241+18711495+8811495+8816087(Top 60%)10453(Top 69%)10453(Top 1904%)
21M21.00 mi1.00 mi18012+22911393+10211393+10214888(Top 56%)9892(Top 65%)9892(Top 1802%)
35K21.75 mi0.75 mi17932+8011352+4111352+4115378(Top 58%)10031(Top 66%)10031(Top 1827%)
23M23.00 mi1.25 mi17838+9411295+5711295+5716063(Top 60%)10268(Top 68%)10268(Top 1870%)
24M24.00 mi1.00 mi17769+6911258+3711258+3716481(Top 62%)10396(Top 69%)10396(Top 1894%)
40K24.85 mi0.85 mi17755+1411248+1011248+1017000(Top 64%)10583(Top 70%)10583(Top 1928%)
25.2M25.20 mi0.35 mi17748+711237+1111237+1116768(Top 63%)10454(Top 69%)10454(Top 1904%)
Finish26.22 mi1.02 mi17756-811229+811229+817774(Top 67%)10958(Top 72%)10958(Top 1996%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18976

Males

11870

M65-69

11870

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19751

Males

12182

M65-69

12182

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18976

Males

11870

M65-69

11870

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18536

Males

11700

M65-69

11700

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18562

Males

11723

M65-69

11723

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17530

Males

11212

M65-69

11212

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

16925

Males

10883

M65-69

10883

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16087

Males

10453

M65-69

10453

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14888

Males

9892

M65-69

9892

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15378

Males

10031

M65-69

10031

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

16063

Males

10268

M65-69

10268

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16481

Males

10396

M65-69

10396

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17000

Males

10583

M65-69

10583

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16768

Males

10454

M65-69

10454

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17774

Males

10958

M65-69

10958

Passing Analysis

Category:
Athletes Passed
2357
Passed By
978
Net Change
+1379
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19135
5K → 10K201495-294#19135#19429
10K → 15K291106+185#19429#19244
15K → 20K27477+197#19244#19047
20K → Half3220+12#19047#19035
Half → 25K25419+235#19035#18800
25K → 30K40331+372#18800#18428
30K → 20M20013+187#18428#18241
20M → 21M2378+229#18241#18012
21M → 35K9111+80#18012#17932
35K → 23M13743+94#17932#17838
23M → 24M9728+69#17838#17769
24M → 40K6753+14#17769#17755
40K → 25.2M1710+7#17755#17748
25.2M → Finish5664-8#17748#17756
TOTALS2357978+1379
📊

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