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BOSTON MARATHON 2024

Sarah Walcott-Sapp

Bib: 14314•F

OR

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 29%
Gender (Female)
#0 / 10924
Top 14%
Division (F18-39)
#0 / 4660
Top 26%
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
7:28/mi
23:11
↑ 97↓ 3451.5%
10K· 6.21 mi
7:36/mi
46:48
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:10:51
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:34:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:40:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
1:59:11
↑ 66↓ 880.2%
30K· 18.64 mi
7:55/mi
2:23:48
↑ 181↓ 1480.2%
20M
7:56/mi
2:34:35
↑ 64↓ 500.2%
21M
8:09/mi
2:42:44
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:48:25
↑ 17↓ 861.7%
23M
7:59/mi
2:58:25
↑ 23↓ 630.6%
24M
7:35/mi
3:06:00
↓ 821.3%
40K· 24.85 mi
7:37/mi
3:12:31
↓ 200.3%
25.2M
8:22/mi
3:15:24
↑ 13↓ 160.2%
Finish· 26.22 mi
6:57/mi
3:22:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:17
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:42:12
Pace7:48 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2323:117:2823:11
7:28
-
10K
6.21 mi11:19:0046:487:3223:37
7:36
+0:08
15K
9.32 mi11:43:031:10:517:3624:03
7:44
+0:08
20K
12.43 mi12:07:111:34:597:3924:08
7:46
+0:02
Half
13.11 mi12:12:291:40:177:395:18
7:46
0:00
25K
15.53 mi12:31:231:59:117:4018:54
7:48
+0:02
30K
18.64 mi12:56:002:23:487:4324:37
7:55
+0:07
20M
20.00 mi13:06:472:34:357:4410:47
7:56
+0:01
21M
21.00 mi13:14:562:42:447:458:09
8:09
+0:13
35K
21.75 mi13:20:372:48:257:455:41
7:36
-0:33
23M
23.00 mi13:30:372:58:257:4510:00
7:59
+0:23
24M
24.00 mi13:38:123:06:007:457:35
7:35
-0:24
40K
24.85 mi13:44:433:12:317:456:31
7:37
+0:02
25.2M
25.20 mi13:47:363:15:247:452:53
8:22
+0:45
Finish
26.22 mi13:54:413:22:297:447:05
6:57
-1:25

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

6:57 /mi

Average Pace

7:44 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:09

33% of race

Time at Steady Pace

1:43:31

51% of race

Time at Slower Pace

31:49

16% of race

Average Pace: 7:43 /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 mi10:55:2323:117:2823:11
7:28
#10454
10K
6.21 mi11:19:0046:487:3223:37
7:36
#10748
15K
9.32 mi11:43:031:10:517:3624:03
7:44
#10971
20K
12.43 mi12:07:111:34:597:3924:08
7:46
#10732
Half
13.11 mi12:12:291:40:177:395:18
7:46
#10748
25K
15.53 mi12:31:231:59:117:4018:54
7:48
#10331
30K
18.64 mi12:56:002:23:487:4324:37
7:55
#9640
20M
20.00 mi13:06:472:34:357:4410:47
7:56
#9301
21M
21.00 mi13:14:562:42:447:458:09
8:09
#8874
35K
21.75 mi13:20:372:48:257:455:41
7:36
#8704
23M
23.00 mi13:30:372:58:257:4510:00
7:59
#8426
24M
24.00 mi13:38:123:06:007:457:35
7:35
#8188
40K
24.85 mi13:44:433:12:317:456:31
7:37
#7934
25.2M
25.20 mi13:47:363:15:247:452:53
8:22
#7818
Finish
26.22 mi13:54:413:22:297:447:05
6:57
#7518
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi104542253225311486(Top 45%)2946(Top 27%)2946(Top 63%)
10K6.21 mi3.10 mi10748-2942472-2192472-21911098(Top 43%)2694(Top 25%)2694(Top 58%)
15K9.32 mi3.11 mi10971-2232619-1472619-14711486(Top 45%)2946(Top 27%)2946(Top 63%)
20K12.43 mi3.11 mi10732+2392520+992520+9910196(Top 40%)2418(Top 22%)2418(Top 52%)
Half13.11 mi0.68 mi10748-162536-162536-1611093(Top 43%)2833(Top 26%)2833(Top 61%)
25K15.53 mi2.42 mi10331+4172380+1562380+1568893(Top 35%)1954(Top 18%)1954(Top 42%)
30K18.64 mi3.11 mi9640+6912128+2522128+2527444(Top 29%)1534(Top 14%)1534(Top 33%)
20M20.00 mi1.36 mi9301+3392013+1152013+1156418(Top 25%)1300(Top 12%)1300(Top 28%)
21M21.00 mi1.00 mi8874+4271882+1311882+1314743(Top 19%)801(Top 7%)801(Top 17%)
35K21.75 mi0.75 mi8704+1701836+461836+465588(Top 22%)1134(Top 10%)1134(Top 24%)
23M23.00 mi1.25 mi8426+2781774+621774+625697(Top 22%)1319(Top 12%)1319(Top 28%)
24M24.00 mi1.00 mi8188+2381710+641710+644493(Top 18%)886(Top 8%)886(Top 19%)
40K24.85 mi0.85 mi7934+2541643+671643+674019(Top 16%)796(Top 7%)796(Top 17%)
25.2M25.20 mi0.35 mi7818+1161608+351608+353990(Top 16%)832(Top 8%)832(Top 18%)
Finish26.22 mi1.02 mi7518+3001529+791529+792975(Top 12%)468(Top 4%)468(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11486

Females

2946

F18-39

2946

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11098

Females

2694

F18-39

2694

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11486

Females

2946

F18-39

2946

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10196

Females

2418

F18-39

2418

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11093

Females

2833

F18-39

2833

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

8893

Females

1954

F18-39

1954

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7444

Females

1534

F18-39

1534

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6418

Females

1300

F18-39

1300

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

4743

Females

801

F18-39

801

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5588

Females

1134

F18-39

1134

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5697

Females

1319

F18-39

1319

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4493

Females

886

F18-39

886

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4019

Females

796

F18-39

796

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

3990

Females

832

F18-39

832

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

2975

Females

468

F18-39

468

Passing Analysis

Category:
Athletes Passed
4018
Passed By
1082
Net Change
+2936
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10454
5K → 10K176470-294#10454#10748
10K → 15K148371-223#10748#10971
15K → 20K33697+239#10971#10732
20K → Half3854-16#10732#10748
Half → 25K45134+417#10748#10331
25K → 30K71120+691#10331#9640
30K → 20M35112+339#9640#9301
20M → 21M4292+427#9301#8874
21M → 35K1722+170#8874#8704
35K → 23M29113+278#8704#8426
23M → 24M2402+238#8426#8188
24M → 40K2562+254#8188#7934
40K → 25.2M1182+116#7934#7818
25.2M → Finish3011+300#7818#7518
TOTALS40181082+2936
📊

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