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BOSTON MARATHON 2023

Christopher Crema

Bib: 11601•M

MA

Masters
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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 44%
Age Group (M45-49)
#0 / 2252
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
23:55
Rank: #11412
Start → 5K
23:55 | 7:42/mi
10K· 6.21 mi
47:13
Rank: #10907 (+505)
5K → 10K
23:18 | 7:30/mi
15K· 9.32 mi
1:10:54
Rank: #10982 (-75)
10K → 15K
23:41 | 7:37/mi
20K· 12.43 mi
1:34:45
Rank: #10914 (+68)
15K → 20K
23:51 | 7:41/mi
Half· 13.11 mi
1:39:52
Rank: #10874 (+40)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:58:36
Rank: #10773 (+101)
Half → 25K
18:44 | 7:44/mi
30K· 18.64 mi
2:22:50
Rank: #10450 (+323)
25K → 30K
24:14 | 7:48/mi
20M
2:33:35
Rank: #10399 (+51)
30K → 20M
10:45 | 7:55/mi
21M
2:41:37
Rank: #10182 (+217)
20M → 21M
8:02 | 8:02/mi
35K· 21.75 mi
2:47:23
Rank: #10163 (+19)
21M → 35K
5:46 | 7:42/mi
23M
2:57:28
Rank: #10140 (+23)
35K → 23M
10:05 | 8:03/mi
24M
3:05:45
Rank: #10259 (-119)
23M → 24M
8:17 | 8:17/mi
40K· 24.85 mi
3:13:10
Rank: #10407 (-148)
24M → 40K
7:25 | 8:40/mi
25.2M
3:16:20
Rank: #10456 (-49)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:24:40
Rank: #10551 (-95)
25.2M → Finish
8:20 | 8:11/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
Time1:39:52
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:44:48
Pace8:00 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3223:557:4223:55
7:42
-
10K
6.21 mi11:15:5047:137:3623:18
7:30
-0:12
15K
9.32 mi11:39:311:10:547:3623:41
7:37
+0:07
20K
12.43 mi12:03:221:34:457:3723:51
7:41
+0:04
Half
13.11 mi12:08:291:39:527:375:07
7:30
-0:11
25K
15.53 mi12:27:131:58:367:3818:44
7:44
+0:14
30K
18.64 mi12:51:272:22:507:4024:14
7:48
+0:04
20M
20.00 mi13:02:122:33:357:4110:45
7:55
+0:07
21M
21.00 mi13:10:142:41:377:428:02
8:02
+0:07
35K
21.75 mi13:16:002:47:237:425:46
7:42
-0:20
23M
23.00 mi13:26:052:57:287:4310:05
8:03
+0:21
24M
24.00 mi13:34:223:05:457:448:17
8:17
+0:14
40K
24.85 mi13:41:473:13:107:467:25
8:40
+0:23
25.2M
25.20 mi13:44:573:16:207:473:10
9:11
+0:31
Finish
26.22 mi13:53:173:24:407:498:20
8:11
-1:00

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

7:30 /mi

Average Pace

7:49 /mi

Slowest Pace

9:11 /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

28:25

14% of race

Time at Steady Pace

2:10:56

64% of race

Time at Slower Pace

45:19

22% of race

Average Pace: 7:48 /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 mi10:52:3223:557:4223:55
7:42
#11412
10K
6.21 mi11:15:5047:137:3623:18
7:30
#10907
15K
9.32 mi11:39:311:10:547:3623:41
7:37
#10982
20K
12.43 mi12:03:221:34:457:3723:51
7:41
#10914
Half
13.11 mi12:08:291:39:527:375:07
7:30
#10874
25K
15.53 mi12:27:131:58:367:3818:44
7:44
#10773
30K
18.64 mi12:51:272:22:507:4024:14
7:48
#10450
20M
20.00 mi13:02:122:33:357:4110:45
7:55
#10399
21M
21.00 mi13:10:142:41:377:428:02
8:02
#10182
35K
21.75 mi13:16:002:47:237:425:46
7:42
#10163
23M
23.00 mi13:26:052:57:287:4310:05
8:03
#10140
24M
24.00 mi13:34:223:05:457:448:17
8:17
#10259
40K
24.85 mi13:41:473:13:107:467:25
8:40
#10407
25.2M
25.20 mi13:44:573:16:207:473:10
9:11
#10456
Finish
26.22 mi13:53:173:24:407:498:20
8:11
#10551
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi114128852885211192(Top 42%)8723(Top 57%)8723(Top 387%)
10K6.21 mi3.10 mi10907+5058615+2378615+23710434(Top 39%)8402(Top 55%)8402(Top 373%)
15K9.32 mi3.11 mi10982-758642-278642-2711192(Top 42%)8723(Top 57%)8723(Top 387%)
20K12.43 mi3.11 mi10914+688605+378605+3710715(Top 40%)8436(Top 56%)8436(Top 375%)
Half13.11 mi0.68 mi10874+408588+178588+1710206(Top 38%)8218(Top 54%)8218(Top 365%)
25K15.53 mi2.42 mi10773+1018520+688520+6810485(Top 39%)8248(Top 54%)8248(Top 366%)
30K18.64 mi3.11 mi10450+3238313+2078313+2079359(Top 35%)7486(Top 49%)7486(Top 332%)
20M20.00 mi1.36 mi10399+518268+458268+459626(Top 36%)7542(Top 50%)7542(Top 335%)
21M21.00 mi1.00 mi10182+2178135+1338135+1337560(Top 28%)6228(Top 41%)6228(Top 277%)
35K21.75 mi0.75 mi10163+198112+238112+239970(Top 37%)7624(Top 50%)7624(Top 339%)
23M23.00 mi1.25 mi10140+238060+528060+5210118(Top 38%)7549(Top 50%)7549(Top 335%)
24M24.00 mi1.00 mi10259-1198092-328092-3213134(Top 49%)8910(Top 59%)8910(Top 396%)
40K24.85 mi0.85 mi10407-1488130-388130-3814337(Top 54%)9379(Top 62%)9379(Top 416%)
25.2M25.20 mi0.35 mi10456-498142-128142-1213460(Top 51%)8953(Top 59%)8953(Top 398%)
Finish26.22 mi1.02 mi10551-958161-198161-1913245(Top 50%)8890(Top 59%)8890(Top 395%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11192

Males

8723

M45-49

8723

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10434

Males

8402

M45-49

8402

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11192

Males

8723

M45-49

8723

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10715

Males

8436

M45-49

8436

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10206

Males

8218

M45-49

8218

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10485

Males

8248

M45-49

8248

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9359

Males

7486

M45-49

7486

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9626

Males

7542

M45-49

7542

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7560

Males

6228

M45-49

6228

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9970

Males

7624

M45-49

7624

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10118

Males

7549

M45-49

7549

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13134

Males

8910

M45-49

8910

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14337

Males

9379

M45-49

9379

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13460

Males

8953

M45-49

8953

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13245

Males

8890

M45-49

8890

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2157*
Passed By
1296
Net Change
+861
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11412
5K → 10K631126+505#11412#10907
10K → 15K149224-75#10907#10982
15K → 20K187119+68#10982#10914
20K → Half5111+40#10914#10874
Half → 25K17776+101#10874#10773
25K → 30K35936+323#10773#10450
30K → 20M93*42+51#10450#10399
20M → 21M2269+217#10399#10182
21M → 35K4930+19#10182#10163
35K → 23M10178+23#10163#10140
23M → 24M35154-119#10140#10259
24M → 40K32180-148#10259#10407
40K → 25.2M1867-49#10407#10456
25.2M → Finish49144-95#10456#10551
TOTALS2157*1296+861

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

📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing