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BOSTON MARATHON 2023

Alessio Fiorentino

Bib: 13767•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:32/mi
23:25
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
46:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:09:48
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:33:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:39:01
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
1:58:02
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:23:38
↑ 181↓ 1480.2%
20M
8:28/mi
2:35:09
↑ 64↓ 500.2%
21M
9:41/mi
2:44:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:50:55
↑ 17↓ 861.7%
23M
8:34/mi
3:01:38
↑ 23↓ 630.6%
24M
8:57/mi
3:10:35
↓ 821.3%
40K· 24.85 mi
8:40/mi
3:18:00
↓ 200.3%
25.2M
9:34/mi
3:21:18
↑ 13↓ 160.2%
Finish· 26.22 mi
8:15/mi
3:29:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:01
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:50:41
Pace8:27 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2823:257:3223:25
7:32
-
10K
6.21 mi11:14:2946:267:2823:01
7:25
-0:07
15K
9.32 mi11:37:511:09:487:2923:22
7:31
+0:06
20K
12.43 mi12:01:531:33:507:3324:02
7:44
+0:13
Half
13.11 mi12:07:041:39:017:335:11
7:36
-0:08
25K
15.53 mi12:26:051:58:027:3619:01
7:51
+0:15
30K
18.64 mi12:51:412:23:387:4225:36
8:14
+0:23
20M
20.00 mi13:03:122:35:097:4511:31
8:28
+0:14
21M
21.00 mi13:12:532:44:507:519:41
9:41
+1:13
35K
21.75 mi13:18:582:50:557:526:05
8:08
-1:33
23M
23.00 mi13:29:413:01:387:5410:43
8:34
+0:26
24M
24.00 mi13:38:383:10:357:568:57
8:57
+0:23
40K
24.85 mi13:46:033:18:007:587:25
8:40
-0:17
25.2M
25.20 mi13:49:213:21:187:593:18
9:34
+0:54
Finish
26.22 mi13:57:453:29:428:008:24
8:15
-1:19

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

7:25 /mi

Average Pace

8:00 /mi

Slowest Pace

9:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:02

56% of race

Time at Steady Pace

1:02:19

30% of race

Time at Slower Pace

29:21

14% of race

Average Pace: 8:00 /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 mi10:51:2823:257:3223:25
7:32
#9956
10K
6.21 mi11:14:2946:267:2823:01
7:25
#9768
15K
9.32 mi11:37:511:09:487:2923:22
7:31
#9933
20K
12.43 mi12:01:531:33:507:3324:02
7:44
#10276
Half
13.11 mi12:07:041:39:017:335:11
7:36
#10309
25K
15.53 mi12:26:051:58:027:3619:01
7:51
#10468
30K
18.64 mi12:51:412:23:387:4225:36
8:14
#10822
20M
20.00 mi13:03:122:35:097:4511:31
8:28
#10990
21M
21.00 mi13:12:532:44:507:519:41
9:41
#11416
35K
21.75 mi13:18:582:50:557:526:05
8:08
#11473
23M
23.00 mi13:29:413:01:387:5410:43
8:34
#11623
24M
24.00 mi13:38:383:10:357:568:57
8:57
#11917
40K
24.85 mi13:46:033:18:007:587:25
8:40
#12020
25.2M
25.20 mi13:49:213:21:187:593:18
9:34
#12081
Finish
26.22 mi13:57:453:29:428:008:24
8:15
#12164
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi99568108810810347(Top 39%)8331(Top 55%)8331(Top 370%)
10K6.21 mi3.10 mi9768+1888027+818027+819701(Top 36%)7997(Top 53%)7997(Top 355%)
15K9.32 mi3.11 mi9933-1658126-998126-9910347(Top 39%)8331(Top 55%)8331(Top 370%)
20K12.43 mi3.11 mi10276-3438299-1738299-17311184(Top 42%)8665(Top 57%)8665(Top 385%)
Half13.11 mi0.68 mi10309-338315-168315-1610976(Top 41%)8615(Top 57%)8615(Top 383%)
25K15.53 mi2.42 mi10468-1598373-588373-5811444(Top 43%)8692(Top 57%)8692(Top 386%)
30K18.64 mi3.11 mi10822-3548499-1268499-12612597(Top 47%)9060(Top 60%)9060(Top 402%)
20M20.00 mi1.36 mi10990-1688551-528551-5213461(Top 51%)9332(Top 61%)9332(Top 414%)
21M21.00 mi1.00 mi11416-4268723-1728723-17216748(Top 63%)10682(Top 70%)10682(Top 474%)
35K21.75 mi0.75 mi11473-578724-18724-112955(Top 49%)8953(Top 59%)8953(Top 398%)
23M23.00 mi1.25 mi11623-1508770-468770-4613556(Top 51%)9164(Top 60%)9164(Top 407%)
24M24.00 mi1.00 mi11917-2948872-1028872-10216969(Top 64%)10605(Top 70%)10605(Top 471%)
40K24.85 mi0.85 mi12020-1038892-208892-2014345(Top 54%)9387(Top 62%)9387(Top 417%)
25.2M25.20 mi0.35 mi12081-618909-178909-1715438(Top 58%)9859(Top 65%)9859(Top 438%)
Finish26.22 mi1.02 mi12164-838933-248933-2413695(Top 51%)9100(Top 60%)9100(Top 404%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10347

Males

8331

M45-49

8331

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9701

Males

7997

M45-49

7997

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10347

Males

8331

M45-49

8331

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11184

Males

8665

M45-49

8665

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10976

Males

8615

M45-49

8615

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11444

Males

8692

M45-49

8692

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12597

Males

9060

M45-49

9060

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13461

Males

9332

M45-49

9332

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16748

Males

10682

M45-49

10682

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

12955

Males

8953

M45-49

8953

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13556

Males

9164

M45-49

9164

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

16969

Males

10605

M45-49

10605

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14345

Males

9387

M45-49

9387

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15438

Males

9859

M45-49

9859

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13695

Males

9100

M45-49

9100

Passing Analysis

Category:
Athletes Passed
1053*
Passed By
3260
Net Change
-2208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9956
5K → 10K417229+188#9956#9768
10K → 15K114278-165#9768#9933
15K → 20K69412-343#9933#10276
20K → Half1447-33#10276#10309
Half → 25K95254-159#10309#10468
25K → 30K83437-354#10468#10822
30K → 20M42*210-168#10822#10990
20M → 21M19445-426#10990#11416
21M → 35K3087-57#11416#11473
35K → 23M58208-150#11473#11623
23M → 24M12306-294#11623#11917
24M → 40K39142-103#11917#12020
40K → 25.2M1374-61#12020#12081
25.2M → Finish48131-83#12081#12164
TOTALS1053*3260-2208

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

📊

Passing Visuals

Category:
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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