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BOSTON MARATHON 2024

Samantha Gasbarro

Bib: 25070•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

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
9:36/mi
29:49
↑ 97↓ 3451.5%
10K· 6.21 mi
10:18/mi
1:01:50
↑ 79↓ 1380.4%
15K· 9.32 mi
10:33/mi
1:34:38
↑ 67↓ 78
20K· 12.43 mi
11:37/mi
2:10:45
↑ 106↓ 860.1%
Half· 13.11 mi
10:14/mi
2:17:44
↑ 19↓ 370.5%
25K· 15.53 mi
11:39/mi
2:45:58
↑ 66↓ 880.2%
30K· 18.64 mi
12:03/mi
3:23:25
↑ 181↓ 1480.2%
20M
12:09/mi
3:39:55
↑ 64↓ 500.2%
21M
13:08/mi
3:53:03
↑ 106↓ 241.6%
35K· 21.75 mi
11:54/mi
4:01:57
↑ 17↓ 861.7%
23M
13:38/mi
4:19:01
↑ 23↓ 630.6%
24M
13:01/mi
4:32:02
↓ 821.3%
40K· 24.85 mi
12:46/mi
4:42:57
↓ 200.3%
25.2M
12:51/mi
4:47:23
↑ 13↓ 160.2%
Finish· 26.22 mi
10:48/mi
4:58:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:44
Pace10:30 /mi
2nd Half
Distance13.11 mi
Time2:40:39
Pace12:15 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0029:499:3629:49
9:36
-
10K
6.21 mi12:18:011:01:509:5732:01
10:18
+0:42
15K
9.32 mi12:50:491:34:3810:0932:48
10:33
+0:15
20K
12.43 mi13:26:562:10:4510:3136:07
11:37
+1:04
Half
13.11 mi13:33:552:17:4410:306:59
10:14
-1:23
25K
15.53 mi14:02:092:45:5810:4128:14
11:39
+1:25
30K
18.64 mi14:39:363:23:2510:5537:27
12:03
+0:24
20M
20.00 mi14:56:063:39:5511:0016:30
12:09
+0:06
21M
21.00 mi15:09:143:53:0311:0613:08
13:08
+0:59
35K
21.75 mi15:18:084:01:5711:088:54
11:54
-1:14
23M
23.00 mi15:35:124:19:0111:1617:04
13:38
+1:44
24M
24.00 mi15:48:134:32:0211:2013:01
13:01
-0:37
40K
24.85 mi15:59:084:42:5711:2310:55
12:46
-0:15
25.2M
25.20 mi16:03:344:47:2311:244:26
12:51
+0:05
Finish
26.22 mi16:14:344:58:2311:2311:00
10:48
-2:03

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

9:36 /mi

Average Pace

11:23 /mi

Slowest Pace

13:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:37

38% of race

Time at Steady Pace

2:07:12

43% of race

Time at Slower Pace

58:34

20% of race

Average Pace: 11:23 /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 mi11:46:0029:499:3629:49
9:36
#22014
10K
6.21 mi12:18:011:01:509:5732:01
10:18
#22673
15K
9.32 mi12:50:491:34:3810:0932:48
10:33
#22823
20K
12.43 mi13:26:562:10:4510:3136:07
11:37
#23072
Half
13.11 mi13:33:552:17:4410:306:59
10:14
#23014
25K
15.53 mi14:02:092:45:5810:4128:14
11:39
#22968
30K
18.64 mi14:39:363:23:2510:5537:27
12:03
#22805
20M
20.00 mi14:56:063:39:5511:0016:30
12:09
#22724
21M
21.00 mi15:09:143:53:0311:0613:08
13:08
#22648
35K
21.75 mi15:18:084:01:5711:088:54
11:54
#22617
23M
23.00 mi15:35:124:19:0111:1617:04
13:38
#22707
24M
24.00 mi15:48:134:32:0211:2013:01
13:01
#22726
40K
24.85 mi15:59:084:42:5711:2310:55
12:46
#22720
25.2M
25.20 mi16:03:344:47:2311:244:26
12:51
#22677
Finish
26.22 mi16:14:344:58:2311:2311:00
10:48
#22650
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi220148912891223032(Top 90%)9452(Top 87%)9452(Top 203%)
10K6.21 mi3.10 mi22673-6599249-3379249-33723197(Top 91%)9531(Top 87%)9531(Top 205%)
15K9.32 mi3.11 mi22823-1509315-669315-6623032(Top 90%)9452(Top 87%)9452(Top 203%)
20K12.43 mi3.11 mi23072-2499450-1359450-13523530(Top 92%)9743(Top 89%)9743(Top 209%)
Half13.11 mi0.68 mi23014+589426+249426+2422098(Top 86%)9020(Top 83%)9020(Top 194%)
25K15.53 mi2.42 mi22968+469437-119437-1122642(Top 89%)9350(Top 86%)9350(Top 201%)
30K18.64 mi3.11 mi22805+1639387+509387+5022031(Top 86%)9172(Top 84%)9172(Top 197%)
20M20.00 mi1.36 mi22724+819367+209367+2021592(Top 85%)9061(Top 83%)9061(Top 194%)
21M21.00 mi1.00 mi22648+769351+169351+1620980(Top 82%)8785(Top 80%)8785(Top 189%)
35K21.75 mi0.75 mi22617+319340+119340+1121621(Top 85%)9159(Top 84%)9159(Top 197%)
23M23.00 mi1.25 mi22707-909402-629402-6223378(Top 91%)10009(Top 92%)10009(Top 215%)
24M24.00 mi1.00 mi22726-199424-229424-2223107(Top 90%)9957(Top 91%)9957(Top 214%)
40K24.85 mi0.85 mi22720+69435-119435-1121898(Top 86%)9421(Top 86%)9421(Top 202%)
25.2M25.20 mi0.35 mi22677+439418+179418+1719396(Top 76%)8228(Top 75%)8228(Top 177%)
Finish26.22 mi1.02 mi22650+279415+39415+320834(Top 82%)8900(Top 81%)8900(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

23032

Females

9452

F18-39

9452

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

23197

Females

9531

F18-39

9531

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

23032

Females

9452

F18-39

9452

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

23530

Females

9743

F18-39

9743

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22098

Females

9020

F18-39

9020

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

22642

Females

9350

F18-39

9350

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

22031

Females

9172

F18-39

9172

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

21592

Females

9061

F18-39

9061

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

20980

Females

8785

F18-39

8785

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

21621

Females

9159

F18-39

9159

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

23378

Females

10009

F18-39

10009

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23107

Females

9957

F18-39

9957

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

21898

Females

9421

F18-39

9421

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

19396

Females

8228

F18-39

8228

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

20834

Females

8900

F18-39

8900

Passing Analysis

Category:
Athletes Passed
1177
Passed By
1813
Net Change
-636
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22014
5K → 10K42701-659#22014#22673
10K → 15K110260-150#22673#22823
15K → 20K83332-249#22823#23072
20K → Half668+58#23072#23014
Half → 25K14094+46#23014#22968
25K → 30K23673+163#22968#22805
30K → 20M10928+81#22805#22724
20M → 21M10731+76#22724#22648
21M → 35K5120+31#22648#22617
35K → 23M34124-90#22617#22707
23M → 24M4766-19#22707#22726
24M → 40K4640+6#22726#22720
40K → 25.2M518+43#22720#22677
25.2M → Finish5528+27#22677#22650
TOTALS11771813-636
📊

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