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BOSTON MARATHON 2023

Steve Cifelli

Bib: 6430•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Division (M18-39)
#0 / 5285
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:15
Rank: #5037
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
41:47
Rank: #4221 (+816)
5K → 10K
20:32 | 6:37/mi
15K· 9.32 mi
1:02:16
Rank: #3817 (+404)
10K → 15K
20:29 | 6:36/mi
20K· 12.43 mi
1:22:58
Rank: #3649 (+168)
15K → 20K
20:42 | 6:40/mi
Half· 13.11 mi
1:27:27
Rank: #3628 (+21)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:43:31
Rank: #3455 (+173)
Half → 25K
16:04 | 6:38/mi
30K· 18.64 mi
2:04:46
Rank: #3380 (+75)
25K → 30K
21:15 | 6:50/mi
20M
2:14:08
Rank: #3335 (+45)
30K → 20M
9:22 | 6:54/mi
21M
2:21:30
Rank: #3344 (-9)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:26:40
Rank: #3391 (-47)
21M → 35K
5:10 | 6:54/mi
23M
2:35:29
Rank: #3418 (-27)
35K → 23M
8:49 | 7:03/mi
24M
2:42:20
Rank: #3435 (-17)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:48:20
Rank: #3440 (-5)
24M → 40K
6:00 | 7:01/mi
25.2M
2:50:58
Rank: #3453 (-13)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:57:45
Rank: #3417 (+36)
25.2M → Finish
6:47 | 6:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:27
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:30:18
Pace6:53 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1221:156:5021:15
6:50
-
10K
6.21 mi10:45:4441:476:4320:32
6:37
-0:13
15K
9.32 mi11:06:131:02:166:4120:29
6:36
-0:01
20K
12.43 mi11:26:551:22:586:4120:42
6:40
+0:04
Half
13.11 mi11:31:241:27:276:404:29
6:34
-0:06
25K
15.53 mi11:47:281:43:316:4016:04
6:38
+0:04
30K
18.64 mi12:08:432:04:466:4221:15
6:50
+0:12
20M
20.00 mi12:18:052:14:086:429:22
6:54
+0:04
21M
21.00 mi12:25:272:21:306:447:22
7:22
+0:28
35K
21.75 mi12:30:372:26:406:455:10
6:54
-0:28
23M
23.00 mi12:39:262:35:296:468:49
7:03
+0:09
24M
24.00 mi12:46:172:42:206:466:51
6:51
-0:12
40K
24.85 mi12:52:172:48:206:466:00
7:01
+0:10
25.2M
25.20 mi12:54:552:50:586:472:38
7:38
+0:37
Finish
26.22 mi13:01:422:57:456:476:47
6:39
-0:59

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

6:34 /mi

Average Pace

6:47 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:45

94% of race

Time at Steady Pace

10:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:25:1221:156:5021:15
6:50
#5037
10K
6.21 mi10:45:4441:476:4320:32
6:37
#4221
15K
9.32 mi11:06:131:02:166:4120:29
6:36
#3817
20K
12.43 mi11:26:551:22:586:4120:42
6:40
#3649
Half
13.11 mi11:31:241:27:276:404:29
6:34
#3628
25K
15.53 mi11:47:281:43:316:4016:04
6:38
#3455
30K
18.64 mi12:08:432:04:466:4221:15
6:50
#3380
20M
20.00 mi12:18:052:14:086:429:22
6:54
#3335
21M
21.00 mi12:25:272:21:306:447:22
7:22
#3344
35K
21.75 mi12:30:372:26:406:455:10
6:54
#3391
23M
23.00 mi12:39:262:35:296:468:49
7:03
#3418
24M
24.00 mi12:46:172:42:206:466:51
6:51
#3435
40K
24.85 mi12:52:172:48:206:466:00
7:01
#3440
25.2M
25.20 mi12:54:552:50:586:472:38
7:38
#3453
Finish
26.22 mi13:01:422:57:456:476:47
6:39
#3417
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5037467246723234(Top 12%)3075(Top 20%)3075(Top 58%)
10K6.21 mi3.10 mi4221+8163956+7163956+7163560(Top 13%)3366(Top 22%)3366(Top 64%)
15K9.32 mi3.11 mi3817+4043601+3553601+3553234(Top 12%)3075(Top 20%)3075(Top 58%)
20K12.43 mi3.11 mi3649+1683453+1483453+1483279(Top 12%)3113(Top 21%)3113(Top 59%)
Half13.11 mi0.68 mi3628+213435+183435+183242(Top 12%)3092(Top 20%)3092(Top 59%)
25K15.53 mi2.42 mi3455+1733279+1563279+1562882(Top 11%)2753(Top 18%)2753(Top 52%)
30K18.64 mi3.11 mi3380+753203+763203+763257(Top 12%)3069(Top 20%)3069(Top 58%)
20M20.00 mi1.36 mi3335+453160+433160+433370(Top 13%)3153(Top 21%)3153(Top 60%)
21M21.00 mi1.00 mi3344-93167-73167-73948(Top 15%)3640(Top 24%)3640(Top 69%)
35K21.75 mi0.75 mi3391-473210-433210-434759(Top 18%)4295(Top 28%)4295(Top 81%)
23M23.00 mi1.25 mi3418-273234-243234-243971(Top 15%)3652(Top 24%)3652(Top 69%)
24M24.00 mi1.00 mi3435-173246-123246-123917(Top 15%)3576(Top 24%)3576(Top 68%)
40K24.85 mi0.85 mi3440-53250-43250-43910(Top 15%)3513(Top 23%)3513(Top 66%)
25.2M25.20 mi0.35 mi3453-133263-133263-134487(Top 17%)3900(Top 26%)3900(Top 74%)
Finish26.22 mi1.02 mi3417+363221+423221+423269(Top 12%)2941(Top 19%)2941(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3234

Males

3075

M18-39

3075

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3560

Males

3366

M18-39

3366

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3234

Males

3075

M18-39

3075

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3279

Males

3113

M18-39

3113

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3242

Males

3092

M18-39

3092

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2882

Males

2753

M18-39

2753

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3257

Males

3069

M18-39

3069

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3370

Males

3153

M18-39

3153

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3948

Males

3640

M18-39

3640

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4759

Males

4295

M18-39

4295

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3971

Males

3652

M18-39

3652

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3917

Males

3576

M18-39

3576

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3910

Males

3513

M18-39

3513

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4487

Males

3900

M18-39

3900

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3269

Males

2941

M18-39

2941

Passing Analysis

Category:
Athletes Passed
2147
Passed By
527
Net Change
+1620
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5037
5K → 10K83317+816#5037#4221
10K → 15K41814+404#4221#3817
15K → 20K19931+168#3817#3649
20K → Half3110+21#3649#3628
Half → 25K1818+173#3628#3455
25K → 30K13257+75#3455#3380
30K → 20M8237+45#3380#3335
20M → 21M5665-9#3335#3344
21M → 35K1764-47#3344#3391
35K → 23M4875-27#3391#3418
23M → 24M3451-17#3418#3435
24M → 40K3843-5#3435#3440
40K → 25.2M922-13#3440#3453
25.2M → Finish6933+36#3453#3417
TOTALS2147527+1620
📊

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