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BOSTON MARATHON 2024

Emily Mastroianni

Bib: 27552•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:55
Rank: #16900
Start → 5K
25:55 | 8:21/mi
10K· 6.21 mi
52:41
Rank: #17413 (-513)
5K → 10K
26:46 | 8:37/mi
15K· 9.32 mi
1:20:04
Rank: #17611 (-198)
10K → 15K
27:23 | 8:49/mi
20K· 12.43 mi
1:48:24
Rank: #17636 (-25)
15K → 20K
28:20 | 9:07/mi
Half· 13.11 mi
1:54:20
Rank: #17583 (+53)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:17:39
Rank: #17646 (-63)
Half → 25K
23:19 | 9:37/mi
30K· 18.64 mi
2:50:58
Rank: #18130 (-484)
25K → 30K
33:19 | 10:43/mi
20M
3:04:46
Rank: #18062 (+68)
30K → 20M
13:48 | 10:09/mi
21M
3:15:24
Rank: #17870 (+192)
20M → 21M
10:38 | 10:38/mi
35K· 21.75 mi
3:22:38
Rank: #17797 (+73)
21M → 35K
7:14 | 9:40/mi
23M
3:34:50
Rank: #17574 (+223)
35K → 23M
12:12 | 9:45/mi
24M
3:44:14
Rank: #17439 (+135)
23M → 24M
9:24 | 9:24/mi
40K· 24.85 mi
3:52:44
Rank: #17309 (+130)
24M → 40K
8:30 | 9:56/mi
25.2M
3:56:45
Rank: #17283 (+26)
40K → 25.2M
4:01 | 11:39/mi
Finish· 26.22 mi
4:06:18
Rank: #17191 (+92)
25.2M → Finish
9:33 | 9:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:20
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:11:58
Pace10:04 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3125:558:2125:55
8:21
-
10K
6.21 mi12:11:1752:418:2926:46
8:37
+0:16
15K
9.32 mi12:38:401:20:048:3527:23
8:49
+0:12
20K
12.43 mi13:07:001:48:248:4328:20
9:07
+0:18
Half
13.11 mi13:12:561:54:208:435:56
8:42
-0:25
25K
15.53 mi13:36:152:17:398:5223:19
9:37
+0:55
30K
18.64 mi14:09:342:50:589:1033:19
10:43
+1:06
20M
20.00 mi14:23:223:04:469:1413:48
10:09
-0:34
21M
21.00 mi14:34:003:15:249:1810:38
10:38
+0:29
35K
21.75 mi14:41:143:22:389:197:14
9:40
-0:58
23M
23.00 mi14:53:263:34:509:2012:12
9:45
+0:05
24M
24.00 mi15:02:503:44:149:219:24
9:24
-0:21
40K
24.85 mi15:11:203:52:449:228:30
9:56
+0:32
25.2M
25.20 mi15:15:213:56:459:244:01
11:39
+1:43
Finish
26.22 mi15:24:544:06:189:249:33
9:22
-2:17

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

8:21 /mi

Average Pace

9:24 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:20

46% of race

Time at Steady Pace

1:10:12

29% of race

Time at Slower Pace

1:01:46

25% of race

Average Pace: 9:24 /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 mi11:44:3125:558:2125:55
8:21
#16900
10K
6.21 mi12:11:1752:418:2926:46
8:37
#17413
15K
9.32 mi12:38:401:20:048:3527:23
8:49
#17611
20K
12.43 mi13:07:001:48:248:4328:20
9:07
#17636
Half
13.11 mi13:12:561:54:208:435:56
8:42
#17583
25K
15.53 mi13:36:152:17:398:5223:19
9:37
#17646
30K
18.64 mi14:09:342:50:589:1033:19
10:43
#18130
20M
20.00 mi14:23:223:04:469:1413:48
10:09
#18062
21M
21.00 mi14:34:003:15:249:1810:38
10:38
#17870
35K
21.75 mi14:41:143:22:389:197:14
9:40
#17797
23M
23.00 mi14:53:263:34:509:2012:12
9:45
#17574
24M
24.00 mi15:02:503:44:149:219:24
9:24
#17439
40K
24.85 mi15:11:203:52:449:228:30
9:56
#17309
25.2M
25.20 mi15:15:213:56:459:244:01
11:39
#17283
Finish
26.22 mi15:24:544:06:189:249:33
9:22
#17191
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi169006105610518037(Top 71%)6734(Top 62%)6734(Top 145%)
10K6.21 mi3.10 mi17413-5136397-2926397-29217948(Top 70%)6694(Top 61%)6694(Top 144%)
15K9.32 mi3.11 mi17611-1986495-986495-9818037(Top 71%)6734(Top 62%)6734(Top 145%)
20K12.43 mi3.11 mi17636-256538-436538-4317862(Top 70%)6631(Top 61%)6631(Top 142%)
Half13.11 mi0.68 mi17583+536517+216517+2116865(Top 66%)6148(Top 56%)6148(Top 132%)
25K15.53 mi2.42 mi17646-636571-546571-5417930(Top 70%)6786(Top 62%)6786(Top 146%)
30K18.64 mi3.11 mi18130-4846905-3346905-33419334(Top 76%)7755(Top 71%)7755(Top 166%)
20M20.00 mi1.36 mi18062+686899+66899+616987(Top 66%)6706(Top 61%)6706(Top 144%)
21M21.00 mi1.00 mi17870+1926827+726827+7215266(Top 60%)5953(Top 54%)5953(Top 128%)
35K21.75 mi0.75 mi17797+736798+296798+2916109(Top 63%)6401(Top 59%)6401(Top 137%)
23M23.00 mi1.25 mi17574+2236691+1076691+10714555(Top 57%)5693(Top 52%)5693(Top 122%)
24M24.00 mi1.00 mi17439+1356639+526639+5214072(Top 55%)5484(Top 50%)5484(Top 118%)
40K24.85 mi0.85 mi17309+1306599+406599+4014818(Top 58%)5937(Top 54%)5937(Top 127%)
25.2M25.20 mi0.35 mi17283+266600-16600-116479(Top 64%)6777(Top 62%)6777(Top 145%)
Finish26.22 mi1.02 mi17191+926589+116589+1115958(Top 62%)6491(Top 59%)6491(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18037

Females

6734

F18-39

6734

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

17948

Females

6694

F18-39

6694

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18037

Females

6734

F18-39

6734

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

17862

Females

6631

F18-39

6631

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

16865

Females

6148

F18-39

6148

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

17930

Females

6786

F18-39

6786

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

19334

Females

7755

F18-39

7755

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

16987

Females

6706

F18-39

6706

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

15266

Females

5953

F18-39

5953

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16109

Females

6401

F18-39

6401

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

14555

Females

5693

F18-39

5693

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14072

Females

5484

F18-39

5484

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

14818

Females

5937

F18-39

5937

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16479

Females

6777

F18-39

6777

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

15958

Females

6491

F18-39

6491

Passing Analysis

Category:
Athletes Passed
2058
Passed By
2349
Net Change
-291
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16900
5K → 10K122635-513#16900#17413
10K → 15K182380-198#17413#17611
15K → 20K251276-25#17611#17636
20K → Half6714+53#17636#17583
Half → 25K183246-63#17583#17646
25K → 30K124608-484#17646#18130
30K → 20M12860+68#18130#18062
20M → 21M22028+192#18062#17870
21M → 35K9219+73#17870#17797
35K → 23M23411+223#17797#17574
23M → 24M14712+135#17574#17439
24M → 40K14212+130#17439#17309
40K → 25.2M4620+26#17309#17283
25.2M → Finish12028+92#17283#17191
TOTALS20582349-291
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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