Boston Marathon logo
BOSTON MARATHON 2024

Sarah Perfetuo

Bib: 26773•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
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
10:45/mi
33:25
↑ 97↓ 3451.5%
10K· 6.21 mi
10:44/mi
1:06:46
↑ 79↓ 1380.4%
15K· 9.32 mi
10:25/mi
1:39:09
↑ 67↓ 78
20K· 12.43 mi
10:22/mi
2:11:20
↑ 106↓ 860.1%
Half· 13.11 mi
10:30/mi
2:18:30
↑ 19↓ 370.5%
25K· 15.53 mi
12:21/mi
2:48:26
↑ 66↓ 880.2%
30K· 18.64 mi
11:04/mi
3:22:48
↑ 181↓ 1480.2%
20M
10:29/mi
3:37:03
↑ 64↓ 500.2%
21M
10:57/mi
3:48:00
↑ 106↓ 241.6%
35K· 21.75 mi
10:07/mi
3:55:34
↑ 17↓ 861.7%
23M
9:57/mi
4:08:01
↑ 23↓ 630.6%
24M
10:25/mi
4:18:26
↓ 821.3%
40K· 24.85 mi
11:04/mi
4:27:54
↓ 200.3%
25.2M
12:08/mi
4:32:05
↑ 13↓ 160.2%
Finish· 26.22 mi
9:44/mi
4:42:00
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:30
Pace10:34 /mi
2nd Half
Distance13.11 mi
Time2:23:30
Pace10:57 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0333:2510:4533:25
10:45
-
10K
6.21 mi12:23:241:06:4610:4533:21
10:44
-0:01
15K
9.32 mi12:55:471:39:0910:3832:23
10:25
-0:19
20K
12.43 mi13:27:582:11:2010:3432:11
10:22
-0:03
Half
13.11 mi13:35:082:18:3010:347:10
10:30
+0:08
25K
15.53 mi14:05:042:48:2610:5129:56
12:21
+1:51
30K
18.64 mi14:39:263:22:4810:5334:22
11:04
-1:17
20M
20.00 mi14:53:413:37:0310:5114:15
10:29
-0:35
21M
21.00 mi15:04:383:48:0010:5110:57
10:57
+0:28
35K
21.75 mi15:12:123:55:3410:507:34
10:07
-0:50
23M
23.00 mi15:24:394:08:0110:4712:27
9:57
-0:10
24M
24.00 mi15:35:044:18:2610:4610:25
10:25
+0:28
40K
24.85 mi15:44:324:27:5410:479:28
11:04
+0:39
25.2M
25.20 mi15:48:434:32:0510:484:11
12:08
+1:04
Finish
26.22 mi15:58:384:42:0010:469:55
9:44
-2:24

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

9:44 /mi

Average Pace

10:46 /mi

Slowest Pace

12:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:56

11% of race

Time at Steady Pace

2:43:10

58% of race

Time at Slower Pace

1:28:54

32% of race

Average Pace: 10:45 /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 mi11:50:0333:2510:4533:25
10:45
#24532
10K
6.21 mi12:23:241:06:4610:4533:21
10:44
#24235
15K
9.32 mi12:55:471:39:0910:3832:23
10:25
#23713
20K
12.43 mi13:27:582:11:2010:3432:11
10:22
#23155
Half
13.11 mi13:35:082:18:3010:347:10
10:30
#23135
25K
15.53 mi14:05:042:48:2610:5129:56
12:21
#23270
30K
18.64 mi14:39:263:22:4810:5334:22
11:04
#22737
20M
20.00 mi14:53:413:37:0310:5114:15
10:29
#22439
21M
21.00 mi15:04:383:48:0010:5110:57
10:57
#22135
35K
21.75 mi15:12:123:55:3410:507:34
10:07
#21981
23M
23.00 mi15:24:394:08:0110:4712:27
9:57
#21676
24M
24.00 mi15:35:044:18:2610:4610:25
10:25
#21501
40K
24.85 mi15:44:324:27:5410:479:28
11:04
#21410
25.2M
25.20 mi15:48:434:32:0510:484:11
12:08
#21347
Finish
26.22 mi15:58:384:42:0010:469:55
9:44
#21223
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24532102621026222796(Top 89%)9318(Top 85%)9318(Top 200%)
10K6.21 mi3.10 mi24235+29710090+17210090+17223930(Top 94%)9925(Top 91%)9925(Top 213%)
15K9.32 mi3.11 mi23713+5229798+2929798+29222796(Top 89%)9318(Top 85%)9318(Top 200%)
20K12.43 mi3.11 mi23155+5589506+2929506+29221382(Top 84%)8572(Top 78%)8572(Top 184%)
Half13.11 mi0.68 mi23135+209494+129494+1222658(Top 89%)9303(Top 85%)9303(Top 200%)
25K15.53 mi2.42 mi23270-1359601-1079601-10723572(Top 92%)9847(Top 90%)9847(Top 211%)
30K18.64 mi3.11 mi22737+5339351+2509351+25020129(Top 79%)8186(Top 75%)8186(Top 176%)
20M20.00 mi1.36 mi22439+2989211+1409211+14017969(Top 70%)7198(Top 66%)7198(Top 154%)
21M21.00 mi1.00 mi22135+3049073+1389073+13816223(Top 63%)6443(Top 59%)6443(Top 138%)
35K21.75 mi0.75 mi21981+1549011+629011+6217547(Top 69%)7120(Top 65%)7120(Top 153%)
23M23.00 mi1.25 mi21676+3058882+1298882+12915301(Top 60%)6079(Top 56%)6079(Top 130%)
24M24.00 mi1.00 mi21501+1758814+688814+6817634(Top 69%)7288(Top 67%)7288(Top 156%)
40K24.85 mi0.85 mi21410+918790+248790+2418296(Top 72%)7651(Top 70%)7651(Top 164%)
25.2M25.20 mi0.35 mi21347+638763+278763+2717697(Top 69%)7402(Top 68%)7402(Top 159%)
Finish26.22 mi1.02 mi21223+1248711+528711+5217502(Top 69%)7267(Top 67%)7267(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

22796

Females

9318

F18-39

9318

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

23930

Females

9925

F18-39

9925

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

22796

Females

9318

F18-39

9318

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

21382

Females

8572

F18-39

8572

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

22658

Females

9303

F18-39

9303

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

23572

Females

9847

F18-39

9847

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

20129

Females

8186

F18-39

8186

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

17969

Females

7198

F18-39

7198

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16223

Females

6443

F18-39

6443

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

17547

Females

7120

F18-39

7120

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15301

Females

6079

F18-39

6079

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

17634

Females

7288

F18-39

7288

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

18296

Females

7651

F18-39

7651

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

17697

Females

7402

F18-39

7402

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

17502

Females

7267

F18-39

7267

Passing Analysis

Category:
Athletes Passed
3619
Passed By
310
Net Change
+3309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24532
5K → 10K34548+297#24532#24235
10K → 15K5275+522#24235#23713
15K → 20K5602+558#23713#23155
20K → Half3818+20#23155#23135
Half → 25K76211-135#23135#23270
25K → 30K5352+533#23270#22737
30K → 20M3002+298#22737#22439
20M → 21M3040+304#22439#22135
21M → 35K1551+154#22135#21981
35K → 23M3072+305#21981#21676
23M → 24M1761+175#21676#21501
24M → 40K10312+91#21501#21410
40K → 25.2M652+63#21410#21347
25.2M → Finish1284+124#21347#21223
TOTALS3619310+3309
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing