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BOSTON MARATHON 2023

Stefano Biondi

Bib: 13322•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 50%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
7:42/mi
23:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
47:15
↑ 79↓ 1380.4%
15K· 9.32 mi
7:39/mi
1:11:01
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:35:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:40:15
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
1:59:18
↑ 66↓ 880.2%
30K· 18.64 mi
8:17/mi
2:25:03
↑ 181↓ 1480.2%
20M
8:45/mi
2:36:57
↑ 64↓ 500.2%
21M
9:31/mi
2:46:28
↑ 106↓ 241.6%
35K· 21.75 mi
9:03/mi
2:53:14
↑ 17↓ 861.7%
23M
9:13/mi
3:04:47
↑ 23↓ 630.6%
24M
8:53/mi
3:13:40
↓ 821.3%
40K· 24.85 mi
8:39/mi
3:21:04
↓ 200.3%
25.2M
9:28/mi
3:24:20
↑ 13↓ 160.2%
Finish· 26.22 mi
9:03/mi
3:33:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:15
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:53:18
Pace8:39 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0723:547:4223:54
7:42
-
10K
6.21 mi11:15:2847:157:3623:21
7:31
-0:11
15K
9.32 mi11:39:141:11:017:3723:46
7:39
+0:08
20K
12.43 mi12:03:171:35:047:3924:03
7:44
+0:05
Half
13.11 mi12:08:281:40:157:395:11
7:36
-0:08
25K
15.53 mi12:27:311:59:187:4119:03
7:51
+0:15
30K
18.64 mi12:53:162:25:037:4725:45
8:17
+0:26
20M
20.00 mi13:05:102:36:577:5111:54
8:45
+0:28
21M
21.00 mi13:14:412:46:287:569:31
9:31
+0:46
35K
21.75 mi13:21:272:53:147:586:46
9:03
-0:28
23M
23.00 mi13:33:003:04:478:0211:33
9:13
+0:10
24M
24.00 mi13:41:533:13:408:048:53
8:53
-0:20
40K
24.85 mi13:49:173:21:048:057:24
8:39
-0:14
25.2M
25.20 mi13:52:333:24:208:073:16
9:28
+0:49
Finish
26.22 mi14:01:463:33:338:099:13
9:03
-0:25

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

7:31 /mi

Average Pace

8:09 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:03

68% of race

Time at Steady Pace

28:11

13% of race

Time at Slower Pace

40:19

19% of race

Average Pace: 8:09 /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 mi10:52:0723:547:4223:54
7:42
#11370
10K
6.21 mi11:15:2847:157:3623:21
7:31
#10951
15K
9.32 mi11:39:141:11:017:3723:46
7:39
#11099
20K
12.43 mi12:03:171:35:047:3924:03
7:44
#11102
Half
13.11 mi12:08:281:40:157:395:11
7:36
#11098
25K
15.53 mi12:27:311:59:187:4119:03
7:51
#11140
30K
18.64 mi12:53:162:25:037:4725:45
8:17
#11456
20M
20.00 mi13:05:102:36:577:5111:54
8:45
#11771
21M
21.00 mi13:14:412:46:287:569:31
9:31
#12073
35K
21.75 mi13:21:272:53:147:586:46
9:03
#12353
23M
23.00 mi13:33:003:04:478:0211:33
9:13
#12707
24M
24.00 mi13:41:533:13:408:048:53
8:53
#12909
40K
24.85 mi13:49:173:21:048:057:24
8:39
#12948
25.2M
25.20 mi13:52:333:24:208:073:16
9:28
#12975
Finish
26.22 mi14:01:463:33:338:099:13
9:03
#13196
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi113708834883411408(Top 43%)8823(Top 58%)8823(Top 430%)
10K6.21 mi3.10 mi10951+4198638+1968638+19610570(Top 40%)8469(Top 56%)8469(Top 413%)
15K9.32 mi3.11 mi11099-1488696-588696-5811408(Top 43%)8823(Top 58%)8823(Top 430%)
20K12.43 mi3.11 mi11102-38704-88704-811234(Top 42%)8690(Top 57%)8690(Top 423%)
Half13.11 mi0.68 mi11098+48698+68698+610988(Top 41%)8627(Top 57%)8627(Top 420%)
25K15.53 mi2.42 mi11140-428695+38695+311569(Top 43%)8747(Top 58%)8747(Top 426%)
30K18.64 mi3.11 mi11456-3168772-778772-7712947(Top 49%)9208(Top 61%)9208(Top 449%)
20M20.00 mi1.36 mi11771-3158891-1198891-11915172(Top 57%)10052(Top 66%)10052(Top 490%)
21M21.00 mi1.00 mi12073-3029007-1169007-11616003(Top 60%)10346(Top 68%)10346(Top 504%)
35K21.75 mi0.75 mi12353-2809114-1079114-10718050(Top 68%)11152(Top 73%)11152(Top 543%)
23M23.00 mi1.25 mi12707-3549235-1219235-12117152(Top 64%)10755(Top 71%)10755(Top 524%)
24M24.00 mi1.00 mi12909-2029298-639298-6316656(Top 63%)10461(Top 69%)10461(Top 510%)
40K24.85 mi0.85 mi12948-399288+109288+1014242(Top 53%)9341(Top 62%)9341(Top 455%)
25.2M25.20 mi0.35 mi12975-279289-19289-114993(Top 56%)9669(Top 64%)9669(Top 471%)
Finish26.22 mi1.02 mi13196-2219366-779366-7718155(Top 68%)11146(Top 73%)11146(Top 543%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11408

Males

8823

M50-54

8823

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10570

Males

8469

M50-54

8469

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11408

Males

8823

M50-54

8823

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11234

Males

8690

M50-54

8690

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10988

Males

8627

M50-54

8627

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11569

Males

8747

M50-54

8747

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

12947

Males

9208

M50-54

9208

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15172

Males

10052

M50-54

10052

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

16003

Males

10346

M50-54

10346

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

18050

Males

11152

M50-54

11152

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

17152

Males

10755

M50-54

10755

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16656

Males

10461

M50-54

10461

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14242

Males

9341

M50-54

9341

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14993

Males

9669

M50-54

9669

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

18155

Males

11146

M50-54

11146

Passing Analysis

Category:
Athletes Passed
1275
Passed By
3101
Net Change
-1826
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11370
5K → 10K560141+419#11370#10951
10K → 15K133281-148#10951#11099
15K → 20K159162-3#11099#11102
20K → Half2420+4#11102#11098
Half → 25K109151-42#11098#11140
25K → 30K87403-316#11140#11456
30K → 20M34349-315#11456#11771
20M → 21M23325-302#11771#12073
21M → 35K8288-280#12073#12353
35K → 23M23377-354#12353#12707
23M → 24M29231-202#12707#12909
24M → 40K5291-39#12909#12948
40K → 25.2M2148-27#12948#12975
25.2M → Finish13234-221#12975#13196
TOTALS12753101-1826
📊

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