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BOSTON MARATHON 2023

Christian Sadilek

Bib: 8917•M

ON

Masters
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0:00
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
Masters (Masters Men)
#0 / 9891
Top 21%
Age Group (M40-44)
#0 / 2241
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
21:08
Rank: #4705
Start → 5K
21:08 | 6:48/mi
10K· 6.21 mi
42:21
Rank: #5095 (-390)
5K → 10K
21:13 | 6:50/mi
15K· 9.32 mi
1:03:50
Rank: #5460 (-365)
10K → 15K
21:29 | 6:55/mi
20K· 12.43 mi
1:25:36
Rank: #5619 (-159)
15K → 20K
21:46 | 7:00/mi
Half· 13.11 mi
1:30:20
Rank: #5657 (-38)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:47:41
Rank: #5775 (-118)
Half → 25K
17:21 | 7:09/mi
30K· 18.64 mi
2:11:00
Rank: #5986 (-211)
25K → 30K
23:19 | 7:30/mi
20M
2:21:11
Rank: #5996 (-10)
30K → 20M
10:11 | 7:30/mi
21M
2:29:21
Rank: #6072 (-76)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:34:37
Rank: #6015 (+57)
21M → 35K
5:16 | 7:02/mi
23M
2:43:58
Rank: #5979 (+36)
35K → 23M
9:21 | 7:28/mi
24M
2:51:24
Rank: #5979
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
2:57:47
Rank: #5951 (+28)
24M → 40K
6:23 | 7:28/mi
25.2M
3:00:28
Rank: #5925 (+26)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:07:52
Rank: #5904 (+21)
25.2M → Finish
7:24 | 7:16/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:30:20
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:37:32
Pace7:26 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1521:086:4821:08
6:48
-
10K
6.21 mi11:07:2842:216:4921:13
6:50
+0:02
15K
9.32 mi11:28:571:03:506:5121:29
6:55
+0:05
20K
12.43 mi11:50:431:25:366:5321:46
7:00
+0:05
Half
13.11 mi11:55:271:30:206:534:44
6:56
-0:04
25K
15.53 mi12:12:481:47:416:5617:21
7:09
+0:13
30K
18.64 mi12:36:072:11:007:0223:19
7:30
+0:21
20M
20.00 mi12:46:182:21:117:0410:11
7:30
0:00
21M
21.00 mi12:54:282:29:217:078:10
8:10
+0:40
35K
21.75 mi12:59:442:34:377:075:16
7:02
-1:08
23M
23.00 mi13:09:052:43:587:089:21
7:28
+0:26
24M
24.00 mi13:16:312:51:247:097:26
7:26
-0:02
40K
24.85 mi13:22:542:57:477:096:23
7:28
+0:02
25.2M
25.20 mi13:25:353:00:287:102:41
7:47
+0:19
Finish
26.22 mi13:32:593:07:527:107:24
7:16
-0:31

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:48 /mi

Average Pace

7:10 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:35:36

51% of race

Time at Steady Pace

32:11

17% of race

Time at Slower Pace

1:00:05

32% of race

Average Pace: 7:10 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:46:1521:086:4821:08
6:48
#4705
10K
6.21 mi11:07:2842:216:4921:13
6:50
#5095
15K
9.32 mi11:28:571:03:506:5121:29
6:55
#5460
20K
12.43 mi11:50:431:25:366:5321:46
7:00
#5619
Half
13.11 mi11:55:271:30:206:534:44
6:56
#5657
25K
15.53 mi12:12:481:47:416:5617:21
7:09
#5775
30K
18.64 mi12:36:072:11:007:0223:19
7:30
#5986
20M
20.00 mi12:46:182:21:117:0410:11
7:30
#5996
21M
21.00 mi12:54:282:29:217:078:10
8:10
#6072
35K
21.75 mi12:59:442:34:377:075:16
7:02
#6015
23M
23.00 mi13:09:052:43:587:089:21
7:28
#5979
24M
24.00 mi13:16:312:51:247:097:26
7:26
#5979
40K
24.85 mi13:22:542:57:477:096:23
7:28
#5951
25.2M
25.20 mi13:25:353:00:287:102:41
7:47
#5925
Finish
26.22 mi13:32:593:07:527:107:24
7:16
#5904
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4705437943796056(Top 23%)5502(Top 36%)5502(Top 246%)
10K6.21 mi3.10 mi5095-3904722-3434722-3435571(Top 21%)5121(Top 34%)5121(Top 229%)
15K9.32 mi3.11 mi5460-3655044-3225044-3226056(Top 23%)5502(Top 36%)5502(Top 246%)
20K12.43 mi3.11 mi5619-1595177-1335177-1336017(Top 23%)5486(Top 36%)5486(Top 245%)
Half13.11 mi0.68 mi5657-385213-365213-366186(Top 23%)5629(Top 37%)5629(Top 251%)
25K15.53 mi2.42 mi5775-1185304-915304-916409(Top 24%)5729(Top 38%)5729(Top 256%)
30K18.64 mi3.11 mi5986-2115458-1545458-1547231(Top 27%)6211(Top 41%)6211(Top 277%)
20M20.00 mi1.36 mi5996-105448+105448+106719(Top 25%)5779(Top 38%)5779(Top 258%)
21M21.00 mi1.00 mi6072-765496-485496-488374(Top 31%)6680(Top 44%)6680(Top 298%)
35K21.75 mi0.75 mi6015+575442+545442+545558(Top 21%)4921(Top 32%)4921(Top 220%)
23M23.00 mi1.25 mi5979+365402+405402+406224(Top 23%)5326(Top 35%)5326(Top 238%)
24M24.00 mi1.00 mi59795393+95393+97234(Top 27%)5847(Top 39%)5847(Top 261%)
40K24.85 mi0.85 mi5951+285359+345359+346465(Top 24%)5311(Top 35%)5311(Top 237%)
25.2M25.20 mi0.35 mi5925+265335+245335+245268(Top 20%)4448(Top 29%)4448(Top 198%)
Finish26.22 mi1.02 mi5904+215311+245311+246808(Top 26%)5443(Top 36%)5443(Top 243%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6056

Males

5502

M40-44

5502

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5571

Males

5121

M40-44

5121

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6056

Males

5502

M40-44

5502

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6017

Males

5486

M40-44

5486

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6186

Males

5629

M40-44

5629

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6409

Males

5729

M40-44

5729

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7231

Males

6211

M40-44

6211

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6719

Males

5779

M40-44

5779

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8374

Males

6680

M40-44

6680

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5558

Males

4921

M40-44

4921

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6224

Males

5326

M40-44

5326

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7234

Males

5847

M40-44

5847

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6465

Males

5311

M40-44

5311

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5268

Males

4448

M40-44

4448

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6808

Males

5443

M40-44

5443

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
748
Passed By
1947
Net Change
-1199
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4705
5K → 10K77467-390#4705#5095
10K → 15K33398-365#5095#5460
15K → 20K61220-159#5460#5619
20K → Half644-38#5619#5657
Half → 25K49167-118#5657#5775
25K → 30K68279-211#5775#5986
30K → 20M5767-10#5986#5996
20M → 21M32108-76#5996#6072
21M → 35K6811+57#6072#6015
35K → 23M8044+36#6015#5979
23M → 24M53530#5979#5979
24M → 40K6739+28#5979#5951
40K → 25.2M326+26#5951#5925
25.2M → Finish6544+21#5925#5904
TOTALS7481947-1199
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing