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BOSTON MARATHON 2023

Fabrizio Chiesa

Bib: 4901•M

TX

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Division (M18-39)
#0 / 5285
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:27
Rank: #2746
Start → 5K
20:27 | 6:35/mi
10K· 6.21 mi
40:57
Rank: #3083 (-337)
5K → 10K
20:30 | 6:36/mi
15K· 9.32 mi
1:01:33
Rank: #3222 (-139)
10K → 15K
20:36 | 6:38/mi
20K· 12.43 mi
1:22:09
Rank: #3148 (+74)
15K → 20K
20:36 | 6:38/mi
Half· 13.11 mi
1:26:39
Rank: #3152 (-4)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:42:44
Rank: #3083 (+69)
Half → 25K
16:05 | 6:38/mi
30K· 18.64 mi
2:03:47
Rank: #2978 (+105)
25K → 30K
21:03 | 6:47/mi
20M
2:13:04
Rank: #2954 (+24)
30K → 20M
9:17 | 6:50/mi
21M
2:20:14
Rank: #2938 (+16)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:25:07
Rank: #2898 (+40)
21M → 35K
4:53 | 6:32/mi
23M
2:33:36
Rank: #2839 (+59)
35K → 23M
8:29 | 6:47/mi
24M
2:40:07
Rank: #2780 (+59)
23M → 24M
6:31 | 6:31/mi
40K· 24.85 mi
2:45:49
Rank: #2725 (+55)
24M → 40K
5:42 | 6:40/mi
25.2M
2:48:17
Rank: #2707 (+18)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:54:45
Rank: #2638 (+69)
25.2M → Finish
6:28 | 6:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:39
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:28:06
Pace6:43 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1420:276:3520:27
6:35
-
10K
6.21 mi10:42:4440:576:3520:30
6:36
+0:01
15K
9.32 mi11:03:201:01:336:3620:36
6:38
+0:02
20K
12.43 mi11:23:561:22:096:3720:36
6:38
0:00
Half
13.11 mi11:28:261:26:396:374:30
6:36
-0:02
25K
15.53 mi11:44:311:42:446:3716:05
6:38
+0:02
30K
18.64 mi12:05:342:03:476:3821:03
6:47
+0:09
20M
20.00 mi12:14:512:13:046:399:17
6:50
+0:03
21M
21.00 mi12:22:012:20:146:417:10
7:10
+0:20
35K
21.75 mi12:26:542:25:076:404:53
6:32
-0:38
23M
23.00 mi12:35:232:33:366:418:29
6:47
+0:15
24M
24.00 mi12:41:542:40:076:406:31
6:31
-0:16
40K
24.85 mi12:47:362:45:496:405:42
6:40
+0:09
25.2M
25.20 mi12:50:042:48:176:412:28
7:09
+0:29
Finish
26.22 mi12:56:322:54:456:406:28
6:21
-0:48

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

6:21 /mi

Average Pace

6:40 /mi

Slowest Pace

7:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:07

94% of race

Time at Steady Pace

9:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:22:1420:276:3520:27
6:35
#2746
10K
6.21 mi10:42:4440:576:3520:30
6:36
#3083
15K
9.32 mi11:03:201:01:336:3620:36
6:38
#3222
20K
12.43 mi11:23:561:22:096:3720:36
6:38
#3148
Half
13.11 mi11:28:261:26:396:374:30
6:36
#3152
25K
15.53 mi11:44:311:42:446:3716:05
6:38
#3083
30K
18.64 mi12:05:342:03:476:3821:03
6:47
#2978
20M
20.00 mi12:14:512:13:046:399:17
6:50
#2954
21M
21.00 mi12:22:012:20:146:417:10
7:10
#2938
35K
21.75 mi12:26:542:25:076:404:53
6:32
#2898
23M
23.00 mi12:35:232:33:366:418:29
6:47
#2839
24M
24.00 mi12:41:542:40:076:406:31
6:31
#2780
40K
24.85 mi12:47:362:45:496:405:42
6:40
#2725
25.2M
25.20 mi12:50:042:48:176:412:28
7:09
#2707
Finish
26.22 mi12:56:322:54:456:406:28
6:21
#2638
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2746261426143538(Top 13%)3345(Top 22%)3345(Top 63%)
10K6.21 mi3.10 mi3083-3372933-3192933-3193475(Top 13%)3291(Top 22%)3291(Top 62%)
15K9.32 mi3.11 mi3222-1393066-1333066-1333538(Top 13%)3345(Top 22%)3345(Top 63%)
20K12.43 mi3.11 mi3148+742997+692997+693038(Top 11%)2893(Top 19%)2893(Top 55%)
Half13.11 mi0.68 mi3152-43002-53002-53345(Top 13%)3176(Top 21%)3176(Top 60%)
25K15.53 mi2.42 mi3083+692940+622940+622902(Top 11%)2772(Top 18%)2772(Top 52%)
30K18.64 mi3.11 mi2978+1052841+992841+992828(Top 11%)2682(Top 18%)2682(Top 51%)
20M20.00 mi1.36 mi2954+242819+222819+222992(Top 11%)2812(Top 19%)2812(Top 53%)
21M21.00 mi1.00 mi2938+162803+162803+162909(Top 11%)2726(Top 18%)2726(Top 52%)
35K21.75 mi0.75 mi2898+402763+402763+402564(Top 10%)2423(Top 16%)2423(Top 46%)
23M23.00 mi1.25 mi2839+592705+582705+582508(Top 9%)2354(Top 16%)2354(Top 45%)
24M24.00 mi1.00 mi2780+592646+592646+592165(Top 8%)2031(Top 13%)2031(Top 38%)
40K24.85 mi0.85 mi2725+552595+512595+512192(Top 8%)2043(Top 13%)2043(Top 39%)
25.2M25.20 mi0.35 mi2707+182580+152580+152296(Top 9%)2129(Top 14%)2129(Top 40%)
Finish26.22 mi1.02 mi2638+692514+662514+661813(Top 7%)1697(Top 11%)1697(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3538

Males

3345

M18-39

3345

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3475

Males

3291

M18-39

3291

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3538

Males

3345

M18-39

3345

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3038

Males

2893

M18-39

2893

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3345

Males

3176

M18-39

3176

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2902

Males

2772

M18-39

2772

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2828

Males

2682

M18-39

2682

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2992

Males

2812

M18-39

2812

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2909

Males

2726

M18-39

2726

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2564

Males

2423

M18-39

2423

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2508

Males

2354

M18-39

2354

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2165

Males

2031

M18-39

2031

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2192

Males

2043

M18-39

2043

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2296

Males

2129

M18-39

2129

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1813

Males

1697

M18-39

1697

Passing Analysis

Category:
Athletes Passed
946
Passed By
838
Net Change
+108
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2746
5K → 10K52389-337#2746#3083
10K → 15K40179-139#3083#3222
15K → 20K12652+74#3222#3148
20K → Half1620-4#3148#3152
Half → 25K9728+69#3152#3083
25K → 30K14136+105#3083#2978
30K → 20M5329+24#2978#2954
20M → 21M4731+16#2954#2938
21M → 35K5414+40#2938#2898
35K → 23M8223+59#2898#2839
23M → 24M7415+59#2839#2780
24M → 40K6712+55#2780#2725
40K → 25.2M224+18#2725#2707
25.2M → Finish756+69#2707#2638
TOTALS946838+108
📊

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