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BOSTON MARATHON 2023

Christopher Flaucher

Bib: 5985•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
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
20:55
Rank: #3964
Start → 5K
20:55 | 6:44/mi
10K· 6.21 mi
41:20
Rank: #3559 (+405)
5K → 10K
20:25 | 6:34/mi
15K· 9.32 mi
1:01:35
Rank: #3251 (+308)
10K → 15K
20:15 | 6:31/mi
20K· 12.43 mi
1:22:07
Rank: #3136 (+115)
15K → 20K
20:32 | 6:37/mi
Half· 13.11 mi
1:26:33
Rank: #3106 (+30)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:43:00
Rank: #3215 (-109)
Half → 25K
16:27 | 6:47/mi
30K· 18.64 mi
2:05:15
Rank: #3607 (-392)
25K → 30K
22:15 | 7:10/mi
20M
2:15:36
Rank: #3973 (-366)
30K → 20M
10:21 | 7:37/mi
21M
2:24:00
Rank: #4385 (-412)
20M → 21M
8:24 | 8:24/mi
35K· 21.75 mi
2:29:36
Rank: #4564 (-179)
21M → 35K
5:36 | 7:29/mi
23M
2:40:14
Rank: #5029 (-465)
35K → 23M
10:38 | 8:30/mi
24M
2:49:05
Rank: #5418 (-389)
23M → 24M
8:51 | 8:51/mi
40K· 24.85 mi
2:56:17
Rank: #5601 (-183)
24M → 40K
7:12 | 8:25/mi
25.2M
2:59:23
Rank: #5665 (-64)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:07:28
Rank: #5814 (-149)
25.2M → Finish
8:05 | 7:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:33
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:40:55
Pace7:42 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2720:556:4420:55
6:44
-
10K
6.21 mi10:43:5241:206:3920:25
6:34
-0:10
15K
9.32 mi11:04:071:01:356:3620:15
6:31
-0:03
20K
12.43 mi11:24:391:22:076:3620:32
6:37
+0:06
Half
13.11 mi11:29:051:26:336:364:26
6:30
-0:07
25K
15.53 mi11:45:321:43:006:3816:27
6:47
+0:17
30K
18.64 mi12:07:472:05:156:4322:15
7:10
+0:23
20M
20.00 mi12:18:082:15:366:4710:21
7:37
+0:27
21M
21.00 mi12:26:322:24:006:518:24
8:24
+0:47
35K
21.75 mi12:32:082:29:366:535:36
7:29
-0:55
23M
23.00 mi12:42:462:40:146:5810:38
8:30
+1:01
24M
24.00 mi12:51:372:49:057:038:51
8:51
+0:21
40K
24.85 mi12:58:492:56:177:067:12
8:25
-0:26
25.2M
25.20 mi13:01:552:59:237:073:06
8:59
+0:34
Finish
26.22 mi13:10:003:07:287:098:05
7:56
-1:03

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

7:09 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:00

55% of race

Time at Steady Pace

38:12

20% of race

Time at Slower Pace

46:16

25% of race

Average Pace: 7:09 /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 mi10:23:2720:556:4420:55
6:44
#3964
10K
6.21 mi10:43:5241:206:3920:25
6:34
#3559
15K
9.32 mi11:04:071:01:356:3620:15
6:31
#3251
20K
12.43 mi11:24:391:22:076:3620:32
6:37
#3136
Half
13.11 mi11:29:051:26:336:364:26
6:30
#3106
25K
15.53 mi11:45:321:43:006:3816:27
6:47
#3215
30K
18.64 mi12:07:472:05:156:4322:15
7:10
#3607
20M
20.00 mi12:18:082:15:366:4710:21
7:37
#3973
21M
21.00 mi12:26:322:24:006:518:24
8:24
#4385
35K
21.75 mi12:32:082:29:366:535:36
7:29
#4564
23M
23.00 mi12:42:462:40:146:5810:38
8:30
#5029
24M
24.00 mi12:51:372:49:057:038:51
8:51
#5418
40K
24.85 mi12:58:492:56:177:067:12
8:25
#5601
25.2M
25.20 mi13:01:552:59:237:073:06
8:59
#5665
Finish
26.22 mi13:10:003:07:287:098:05
7:56
#5814
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3964372137212754(Top 10%)2631(Top 17%)2631(Top 50%)
10K6.21 mi3.10 mi3559+4053360+3613360+3613302(Top 12%)3144(Top 21%)3144(Top 59%)
15K9.32 mi3.11 mi3251+3083090+2703090+2702754(Top 10%)2631(Top 17%)2631(Top 50%)
20K12.43 mi3.11 mi3136+1152986+1042986+1042929(Top 11%)2795(Top 18%)2795(Top 53%)
Half13.11 mi0.68 mi3106+302960+262960+262847(Top 11%)2731(Top 18%)2731(Top 52%)
25K15.53 mi2.42 mi3215-1093063-1033063-1034032(Top 15%)3783(Top 25%)3783(Top 72%)
30K18.64 mi3.11 mi3607-3923412-3493412-3495276(Top 20%)4819(Top 32%)4819(Top 91%)
20M20.00 mi1.36 mi3973-3663737-3253737-3257564(Top 28%)6309(Top 42%)6309(Top 119%)
21M21.00 mi1.00 mi4385-4124097-3604097-3609797(Top 37%)7483(Top 49%)7483(Top 142%)
35K21.75 mi0.75 mi4564-1794252-1554252-1558371(Top 31%)6702(Top 44%)6702(Top 127%)
23M23.00 mi1.25 mi5029-4654636-3844636-38413133(Top 49%)8966(Top 59%)8966(Top 170%)
24M24.00 mi1.00 mi5418-3894960-3244960-32416447(Top 62%)10362(Top 68%)10362(Top 196%)
40K24.85 mi0.85 mi5601-1835097-1375097-13712779(Top 48%)8654(Top 57%)8654(Top 164%)
25.2M25.20 mi0.35 mi5665-645135-385135-3812327(Top 46%)8390(Top 55%)8390(Top 159%)
Finish26.22 mi1.02 mi5814-1495237-1025237-10211573(Top 43%)8066(Top 53%)8066(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2754

Males

2631

M18-39

2631

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3302

Males

3144

M18-39

3144

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2754

Males

2631

M18-39

2631

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2929

Males

2795

M18-39

2795

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2847

Males

2731

M18-39

2731

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4032

Males

3783

M18-39

3783

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5276

Males

4819

M18-39

4819

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7564

Males

6309

M18-39

6309

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9797

Males

7483

M18-39

7483

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8371

Males

6702

M18-39

6702

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13133

Males

8966

M18-39

8966

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16447

Males

10362

M18-39

10362

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12779

Males

8654

M18-39

8654

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12327

Males

8390

M18-39

8390

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11573

Males

8066

M18-39

8066

Passing Analysis

Category:
Athletes Passed
1129
Passed By
2979
Net Change
-1850
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3964
5K → 10K47873+405#3964#3559
10K → 15K32416+308#3559#3251
15K → 20K14934+115#3251#3136
20K → Half366+30#3136#3106
Half → 25K31140-109#3106#3215
25K → 30K21413-392#3215#3607
30K → 20M12378-366#3607#3973
20M → 21M15427-412#3973#4385
21M → 35K15194-179#4385#4564
35K → 23M7472-465#4564#5029
23M → 24M5394-389#5029#5418
24M → 40K11194-183#5418#5601
40K → 25.2M569-64#5601#5665
25.2M → Finish20169-149#5665#5814
TOTALS11292979-1850
📊

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