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BOSTON MARATHON 2024

Roberta Corazza

Bib: 28724 F IT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:54/mi
30:44
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:10/mi
1:02:19
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:49/mi
1:32:48
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:54/mi
2:03:32
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:43/mi
2:10:10
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:30/mi
2:35:38
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:11/mi
3:13:29
↑ 181↓ 1480.2%
138 ft elev
20M
12:11/mi
3:30:03
↑ 64↓ 500.2%
148 ft elev
21M
15:41/mi
3:45:44
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:20/mi
3:54:13
↑ 17↓ 861.7%
156 ft elev
23M
14:23/mi
4:12:13
↑ 23↓ 630.6%
116 ft elev
24M
15:42/mi
4:27:55
↓ 821.3%
34 ft elev
40K· 24.85 mi
16:40/mi
4:42:10
↓ 200.3%
20 ft elev
25.2M
19:05/mi
4:48:45
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:43/mi
5:00:41
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:10:109:56 /mi⚡ faster
2nd Half
2:50:3113:00 /mi+31.0%
Positive split — 31.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:0330:449:5430:44
9:54
-
10K
6.21 mi12:26:381:02:1910:0231:35
10:10
+0:16
15K
9.32 mi12:57:071:32:489:5730:29
9:49
-0:21
20K
12.43 mi13:27:512:03:329:5630:44
9:54
+0:05
Half
13.11 mi13:34:292:10:109:566:38
9:43
-0:11
25K
15.53 mi13:59:572:35:3810:0125:28
10:30
+0:47
30K
18.64 mi14:37:483:13:2910:2337:51
12:11
+1:41
20M
20.00 mi14:54:223:30:0310:3016:34
12:11
0:00
21M
21.00 mi15:10:033:45:4410:4515:41
15:41
+3:30
35K
21.75 mi15:18:323:54:1310:468:29
11:20
-4:21
23M
23.00 mi15:36:324:12:1310:5818:00
14:23
+3:03
24M
24.00 mi15:52:144:27:5511:1015:42
15:42
+1:19
40K
24.85 mi16:06:294:42:1011:2114:15
16:40
+0:58
25.2M
25.20 mi16:13:044:48:4511:286:35
19:05
+2:25
Finish
26.22 mi16:25:005:00:4111:2911:56
11:43
-7:22

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

9:43 /mi

Average Pace

11:29 /mi

Slowest Pace

19:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:10:10

43% of race

Time at Steady Pace

1:40:18

33% of race

Time at Slower Pace

1:10:13

23% of race

Average Pace: 11:28 /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 mi11:55:0330:449:5430:44
9:54
#22740
10K
6.21 mi12:26:381:02:1910:0231:35
10:10
#22852
15K
9.32 mi12:57:071:32:489:5730:29
9:49
#22394
20K
12.43 mi13:27:512:03:329:5630:44
9:54
#21832
Half
13.11 mi13:34:292:10:109:566:38
9:43
#21791
25K
15.53 mi13:59:572:35:3810:0125:28
10:30
#21521
30K
18.64 mi14:37:483:13:2910:2337:51
12:11
#21702
20M
20.00 mi14:54:223:30:0310:3016:34
12:11
#21697
21M
21.00 mi15:10:033:45:4410:4515:41
15:41
#21915
35K
21.75 mi15:18:323:54:1310:468:29
11:20
#21856
23M
23.00 mi15:36:324:12:1310:5818:00
14:23
#22076
24M
24.00 mi15:52:144:27:5511:1015:42
15:42
#22385
40K
24.85 mi16:06:294:42:1011:2114:15
16:40
#22655
25.2M
25.20 mi16:13:044:48:4511:286:35
19:05
#22797
Finish
26.22 mi16:25:005:00:4111:2911:56
11:43
#22817
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi22740927192712147185898589
10K6.21 mi3.10 mi22852-1129336-659336-652292193979397
15K9.32 mi3.11 mi22394+4589088+2489088+2482147185898589
20K12.43 mi3.11 mi21832+5628813+2758813+2752031679977997
Half13.11 mi0.68 mi21791+418798+158798+152076182868286
25K15.53 mi2.42 mi21521+2708655+1438655+1432042781558155
30K18.64 mi3.11 mi21702-1818821-1668821-1662225192759275
20M20.00 mi1.36 mi21697+58841-208841-202168991029102
21M21.00 mi1.00 mi21915-2188963-1228963-122242411038410384
35K21.75 mi0.75 mi21856+598951+128951+122053886178617
23M23.00 mi1.25 mi22076-2209073-1229073-122241471036910369
24M24.00 mi1.00 mi22385-3099253-1809253-180250621078610786
40K24.85 mi0.85 mi22655-2709400-1479400-147251621082110821
25.2M25.20 mi0.35 mi22797-1429472-729472-72252601084110841
Finish26.22 mi1.02 mi22817-209492-209492-202280998519851

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

21471

Females

8589

F45-49

8589

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

22921

Females

9397

F45-49

9397

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

21471

Females

8589

F45-49

8589

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

20316

Females

7997

F45-49

7997

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

20761

Females

8286

F45-49

8286

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

20427

Females

8155

F45-49

8155

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

22251

Females

9275

F45-49

9275

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

21689

Females

9102

F45-49

9102

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

24241

Females

10384

F45-49

10384

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

20538

Females

8617

F45-49

8617

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

24147

Females

10369

F45-49

10369

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

25062

Females

10786

F45-49

10786

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

25162

Females

10821

F45-49

10821

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

25260

Females

10841

F45-49

10841

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

22809

Females

9851

F45-49

9851

Passing Analysis

Category:
Athletes Passed
1896
Passed By
1973
Net Change
-77
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22740
5K → 10K152264-112#22740#22852
10K → 15K4679+458#22852#22394
15K → 20K5664+562#22394#21832
20K → Half476+41#21832#21791
Half → 25K30434+270#21791#21521
25K → 30K113294-181#21521#21702
30K → 20M8277+5#21702#21697
20M → 21M13231-218#21697#21915
21M → 35K7314+59#21915#21856
35K → 23M26246-220#21856#22076
23M → 24M9318-309#22076#22385
24M → 40K9279-270#22385#22655
40K → 25.2M3145-142#22655#22797
25.2M → Finish3252-20#22797#22817
TOTALS18961973-77

Passing Charts

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