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BOSTON MARATHON 2024

Carolina Mambrini

Bib: 15228•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 27%
Gender (Female)
#0 / 10924
Top 11%
Masters (Masters Women)
#0 / 6263
Top 4%
Division (F40-44)
#0 / 1613
Top 9%
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
7:37/mi
23:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
47:22
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:10:51
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:34:27
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:39:35
↑ 19↓ 370.5%
25K· 15.53 mi
7:33/mi
1:57:54
↑ 66↓ 880.2%
30K· 18.64 mi
7:44/mi
2:21:55
↑ 181↓ 1480.2%
20M
7:39/mi
2:32:19
↑ 64↓ 500.2%
21M
8:07/mi
2:40:26
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:46:09
↑ 17↓ 861.7%
23M
7:35/mi
2:55:39
↑ 23↓ 630.6%
24M
7:23/mi
3:03:02
↓ 821.3%
40K· 24.85 mi
7:37/mi
3:09:33
↓ 200.3%
25.2M
8:13/mi
3:12:23
↑ 13↓ 160.2%
Finish· 26.22 mi
7:09/mi
3:19:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:39:35
Pace7:36 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:40:05
Pace7:38 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1623:397:3723:39
7:37
-
10K
6.21 mi11:39:5947:227:3723:43
7:38
+0:01
15K
9.32 mi12:03:281:10:517:3623:29
7:34
-0:04
20K
12.43 mi12:27:041:34:277:3623:36
7:36
+0:02
Half
13.11 mi12:32:121:39:357:365:08
7:31
-0:05
25K
15.53 mi12:50:311:57:547:3518:19
7:33
+0:02
30K
18.64 mi13:14:322:21:557:3724:01
7:44
+0:11
20M
20.00 mi13:24:562:32:197:3710:24
7:39
-0:05
21M
21.00 mi13:33:032:40:267:388:07
8:07
+0:28
35K
21.75 mi13:38:462:46:097:385:43
7:38
-0:29
23M
23.00 mi13:48:162:55:397:389:30
7:35
-0:03
24M
24.00 mi13:55:393:03:027:387:23
7:23
-0:12
40K
24.85 mi14:02:103:09:337:386:31
7:37
+0:14
25.2M
25.20 mi14:05:003:12:237:382:50
8:13
+0:36
Finish
26.22 mi14:12:173:19:407:377:17
7:09
-1:04

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

7:09 /mi

Average Pace

7:37 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:43

95% of race

Time at Steady Pace

10:57

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi11:16:1623:397:3723:39
7:37
#11643
10K
6.21 mi11:39:5947:227:3723:43
7:38
#11439
15K
9.32 mi12:03:281:10:517:3623:29
7:34
#10969
20K
12.43 mi12:27:041:34:277:3623:36
7:36
#10397
Half
13.11 mi12:32:121:39:357:365:08
7:31
#10328
25K
15.53 mi12:50:311:57:547:3518:19
7:33
#9715
30K
18.64 mi13:14:322:21:557:3724:01
7:44
#8950
20M
20.00 mi13:24:562:32:197:3710:24
7:39
#8535
21M
21.00 mi13:33:032:40:267:388:07
8:07
#8180
35K
21.75 mi13:38:462:46:097:385:43
7:38
#8034
23M
23.00 mi13:48:162:55:397:389:30
7:35
#7626
24M
24.00 mi13:55:393:03:027:387:23
7:23
#7343
40K
24.85 mi14:02:103:09:337:386:31
7:37
#7129
25.2M
25.20 mi14:05:003:12:237:382:50
8:13
#7023
Finish
26.22 mi14:12:173:19:407:377:17
7:09
#6818
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi116432921292110108(Top 40%)2227(Top 20%)2227(Top 138%)
10K6.21 mi3.10 mi11439+2042843+782843+7811334(Top 44%)2824(Top 26%)2824(Top 175%)
15K9.32 mi3.11 mi10969+4702617+2262617+22610108(Top 40%)2227(Top 20%)2227(Top 138%)
20K12.43 mi3.11 mi10397+5722358+2592358+2599054(Top 35%)1826(Top 17%)1826(Top 113%)
Half13.11 mi0.68 mi10328+692337+212337+219317(Top 36%)1949(Top 18%)1949(Top 121%)
25K15.53 mi2.42 mi9715+6132070+2672070+2677346(Top 29%)1298(Top 12%)1298(Top 80%)
30K18.64 mi3.11 mi8950+7651786+2841786+2846305(Top 25%)1084(Top 10%)1084(Top 67%)
20M20.00 mi1.36 mi8535+4151659+1271659+1275011(Top 20%)746(Top 7%)746(Top 46%)
21M21.00 mi1.00 mi8180+3551569+901569+904637(Top 18%)760(Top 7%)760(Top 47%)
35K21.75 mi0.75 mi8034+1461534+351534+355830(Top 23%)1230(Top 11%)1230(Top 76%)
23M23.00 mi1.25 mi7626+4081416+1181416+1183977(Top 16%)603(Top 6%)603(Top 37%)
24M24.00 mi1.00 mi7343+2831340+761340+763706(Top 15%)578(Top 5%)578(Top 36%)
40K24.85 mi0.85 mi7129+2141296+441296+444014(Top 16%)791(Top 7%)791(Top 49%)
25.2M25.20 mi0.35 mi7023+1061271+251271+253499(Top 14%)644(Top 6%)644(Top 40%)
Finish26.22 mi1.02 mi6818+2051230+411230+413806(Top 15%)727(Top 7%)727(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10108

Females

2227

F40-44

2227

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11334

Females

2824

F40-44

2824

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10108

Females

2227

F40-44

2227

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9054

Females

1826

F40-44

1826

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9317

Females

1949

F40-44

1949

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7346

Females

1298

F40-44

1298

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

6305

Females

1084

F40-44

1084

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5011

Females

746

F40-44

746

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4637

Females

760

F40-44

760

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

5830

Females

1230

F40-44

1230

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

3977

Females

603

F40-44

603

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

3706

Females

578

F40-44

578

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4014

Females

791

F40-44

791

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3499

Females

644

F40-44

644

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

3806

Females

727

F40-44

727

Passing Analysis

Category:
Athletes Passed
5101*
Passed By
276
Net Change
+4825
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11643
5K → 10K381177+204#11643#11439
10K → 15K50636+470#11439#10969
15K → 20K58917+572#10969#10397
20K → Half7910+69#10397#10328
Half → 25K614*1+613#10328#9715
25K → 30K7716+765#9715#8950
30K → 20M4172+415#8950#8535
20M → 21M3572+355#8535#8180
21M → 35K15610+146#8180#8034
35K → 23M4146+408#8034#7626
23M → 24M2830+283#7626#7343
24M → 40K2184+214#7343#7129
40K → 25.2M1060+106#7129#7023
25.2M → Finish2105+205#7023#6818
TOTALS5101*276+4825

* 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