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BOSTON MARATHON 2023

Itria Buso

Bib: 23163•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
9:01/mi
28:00
↑ 97↓ 3451.5%
10K· 6.21 mi
8:54/mi
55:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:48/mi
1:22:59
↑ 67↓ 78
20K· 12.43 mi
8:59/mi
1:50:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:56:53
↑ 19↓ 370.5%
25K· 15.53 mi
9:13/mi
2:19:13
↑ 66↓ 880.2%
30K· 18.64 mi
10:08/mi
2:50:41
↑ 181↓ 1480.2%
20M
10:28/mi
3:04:55
↑ 64↓ 500.2%
21M
11:08/mi
3:16:03
↑ 106↓ 241.6%
35K· 21.75 mi
10:14/mi
3:23:42
↑ 17↓ 861.7%
23M
10:05/mi
3:36:19
↑ 23↓ 630.6%
24M
9:40/mi
3:45:59
↓ 821.3%
40K· 24.85 mi
9:51/mi
3:54:24
↓ 200.3%
25.2M
9:54/mi
3:57:49
↑ 13↓ 160.2%
Finish· 26.22 mi
9:03/mi
4:07:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:53
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:10:09
Pace9:56 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:1428:009:0128:00
9:01
-
10K
6.21 mi11:50:5355:398:5727:39
8:54
-0:07
15K
9.32 mi12:18:131:22:598:5427:20
8:48
-0:06
20K
12.43 mi12:46:091:50:558:5627:56
8:59
+0:11
Half
13.11 mi12:52:071:56:538:555:58
8:45
-0:14
25K
15.53 mi13:14:272:19:138:5822:20
9:13
+0:28
30K
18.64 mi13:45:552:50:419:0931:28
10:08
+0:55
20M
20.00 mi14:00:093:04:559:1514:14
10:28
+0:20
21M
21.00 mi14:11:173:16:039:2011:08
11:08
+0:40
35K
21.75 mi14:18:563:23:429:227:39
10:14
-0:54
23M
23.00 mi14:31:333:36:199:2412:37
10:05
-0:09
24M
24.00 mi14:41:133:45:599:259:40
9:40
-0:25
40K
24.85 mi14:49:383:54:249:268:25
9:51
+0:11
25.2M
25.20 mi14:53:033:57:499:263:25
9:54
+0:03
Finish
26.22 mi15:02:164:07:029:269:13
9:03
-0:51

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

8:45 /mi

Average Pace

9:26 /mi

Slowest Pace

11:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:26

60% of race

Time at Steady Pace

21:30

9% of race

Time at Slower Pace

1:17:06

31% of race

Average Pace: 9:25 /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 mi11:23:1428:009:0128:00
9:01
#20512
10K
6.21 mi11:50:5355:398:5727:39
8:54
#20444
15K
9.32 mi12:18:131:22:598:5427:20
8:48
#20141
20K
12.43 mi12:46:091:50:558:5627:56
8:59
#19990
Half
13.11 mi12:52:071:56:538:555:58
8:45
#19945
25K
15.53 mi13:14:272:19:138:5822:20
9:13
#19949
30K
18.64 mi13:45:552:50:419:0931:28
10:08
#20299
20M
20.00 mi14:00:093:04:559:1514:14
10:28
#20421
21M
21.00 mi14:11:173:16:039:2011:08
11:08
#20464
35K
21.75 mi14:18:563:23:429:227:39
10:14
#20517
23M
23.00 mi14:31:333:36:199:2412:37
10:05
#20478
24M
24.00 mi14:41:133:45:599:259:40
9:40
#20446
40K
24.85 mi14:49:383:54:249:268:25
9:51
#20393
25.2M
25.20 mi14:53:033:57:499:263:25
9:54
#20347
Finish
26.22 mi15:02:164:07:029:269:13
9:03
#20272
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi205128124812419511(Top 73%)7399(Top 65%)7399(Top 613%)
10K6.21 mi3.10 mi20444+688000+1248000+12420426(Top 77%)7939(Top 70%)7939(Top 658%)
15K9.32 mi3.11 mi20141+3037818+1827818+18219511(Top 73%)7399(Top 65%)7399(Top 613%)
20K12.43 mi3.11 mi19990+1517719+997719+9919663(Top 74%)7481(Top 65%)7481(Top 620%)
Half13.11 mi0.68 mi19945+457693+267693+2619270(Top 72%)7261(Top 64%)7261(Top 602%)
25K15.53 mi2.42 mi19949-47687+67687+619905(Top 75%)7641(Top 67%)7641(Top 633%)
30K18.64 mi3.11 mi20299-3507898-2117898-21121360(Top 80%)8548(Top 75%)8548(Top 708%)
20M20.00 mi1.36 mi20421-1227977-797977-7921679(Top 81%)8793(Top 77%)8793(Top 729%)
21M21.00 mi1.00 mi20464-438007-308007-3021109(Top 79%)8516(Top 75%)8516(Top 706%)
35K21.75 mi0.75 mi20517-538052-458052-4521841(Top 82%)8957(Top 78%)8957(Top 742%)
23M23.00 mi1.25 mi20478+398040+128040+1220218(Top 76%)8088(Top 71%)8088(Top 670%)
24M24.00 mi1.00 mi20446+328034+68034+619789(Top 74%)7860(Top 69%)7860(Top 651%)
40K24.85 mi0.85 mi20393+538010+248010+2419540(Top 73%)7799(Top 68%)7799(Top 646%)
25.2M25.20 mi0.35 mi20347+467993+177993+1717109(Top 64%)6501(Top 57%)6501(Top 539%)
Finish26.22 mi1.02 mi20272+757955+387955+3818225(Top 68%)7032(Top 62%)7032(Top 583%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19511

Females

7399

F50-54

7399

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20426

Females

7939

F50-54

7939

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19511

Females

7399

F50-54

7399

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

19663

Females

7481

F50-54

7481

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19270

Females

7261

F50-54

7261

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19905

Females

7641

F50-54

7641

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21360

Females

8548

F50-54

8548

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

21679

Females

8793

F50-54

8793

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21109

Females

8516

F50-54

8516

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21841

Females

8957

F50-54

8957

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20218

Females

8088

F50-54

8088

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19789

Females

7860

F50-54

7860

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19540

Females

7799

F50-54

7799

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17109

Females

6501

F50-54

6501

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

18225

Females

7032

F50-54

7032

Passing Analysis

Category:
Athletes Passed
1668
Passed By
1428
Net Change
+240
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20512
5K → 10K340272+68#20512#20444
10K → 15K36865+303#20444#20141
15K → 20K23887+151#20141#19990
20K → Half5813+45#19990#19945
Half → 25K126130-4#19945#19949
25K → 30K64414-350#19949#20299
30K → 20M46168-122#20299#20421
20M → 21M5295-43#20421#20464
21M → 35K3083-53#20464#20517
35K → 23M8243+39#20517#20478
23M → 24M6129+32#20478#20446
24M → 40K6714+53#20446#20393
40K → 25.2M504+46#20393#20347
25.2M → Finish8611+75#20347#20272
TOTALS16681428+240
📊

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