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BOSTON MARATHON 2024

Sarah Armstrong

Bib: 10937•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 30%
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
7:35/mi
23:35
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
47:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:11:47
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:36:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:41:24
↑ 19↓ 370.5%
25K· 15.53 mi
7:45/mi
2:00:11
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:23:55
↑ 181↓ 1480.2%
20M
7:38/mi
2:34:18
↑ 64↓ 500.2%
21M
8:01/mi
2:42:19
↑ 106↓ 241.6%
35K· 21.75 mi
7:21/mi
2:47:49
↑ 17↓ 861.7%
23M
7:50/mi
2:57:37
↑ 23↓ 630.6%
24M
7:39/mi
3:05:16
↓ 821.3%
40K· 24.85 mi
8:00/mi
3:12:06
↓ 200.3%
25.2M
7:44/mi
3:14:46
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:22:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:41:24
Pace7:44 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:15
Pace7:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1623:357:3523:35
7:35
-
10K
6.21 mi11:16:2347:427:4124:07
7:46
+0:11
15K
9.32 mi11:40:281:11:477:4224:05
7:45
-0:01
20K
12.43 mi12:04:491:36:087:4424:21
7:50
+0:05
Half
13.11 mi12:10:051:41:247:445:16
7:43
-0:07
25K
15.53 mi12:28:522:00:117:4418:47
7:45
+0:02
30K
18.64 mi12:52:362:23:557:4323:44
7:38
-0:07
20M
20.00 mi13:02:592:34:187:4310:23
7:38
0:00
21M
21.00 mi13:11:002:42:197:448:01
8:01
+0:23
35K
21.75 mi13:16:302:47:497:435:30
7:21
-0:40
23M
23.00 mi13:26:182:57:377:439:48
7:50
+0:29
24M
24.00 mi13:33:573:05:167:437:39
7:39
-0:11
40K
24.85 mi13:40:473:12:067:446:50
8:00
+0:21
25.2M
25.20 mi13:43:273:14:467:442:40
7:44
-0:16
Finish
26.22 mi13:51:203:22:397:447:53
7:44
0:00

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

7:21 /mi

Average Pace

7:44 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:07

38% of race

Time at Steady Pace

2:06:32

62% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi10:52:1623:357:3523:35
7:35
#11478
10K
6.21 mi11:16:2347:427:4124:07
7:46
#11882
15K
9.32 mi11:40:281:11:477:4224:05
7:45
#11762
20K
12.43 mi12:04:491:36:087:4424:21
7:50
#11430
Half
13.11 mi12:10:051:41:247:445:16
7:43
#11389
25K
15.53 mi12:28:522:00:117:4418:47
7:45
#10814
30K
18.64 mi12:52:362:23:557:4323:44
7:38
#9693
20M
20.00 mi13:02:592:34:187:4310:23
7:38
#9207
21M
21.00 mi13:11:002:42:197:448:01
8:01
#8752
35K
21.75 mi13:16:302:47:497:435:30
7:21
#8533
23M
23.00 mi13:26:182:57:377:439:48
7:50
#8208
24M
24.00 mi13:33:573:05:167:437:39
7:39
#7966
40K
24.85 mi13:40:473:12:067:446:50
8:00
#7823
25.2M
25.20 mi13:43:273:14:467:442:40
7:44
#7636
Finish
26.22 mi13:51:203:22:397:447:53
7:44
#7558
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi114782832283211565(Top 45%)2993(Top 27%)2993(Top 64%)
10K6.21 mi3.10 mi11882-4043103-2713103-27112346(Top 48%)3371(Top 31%)3371(Top 72%)
15K9.32 mi3.11 mi11762+1203071+323071+3211565(Top 45%)2993(Top 27%)2993(Top 64%)
20K12.43 mi3.11 mi11430+3322899+1722899+17210687(Top 42%)2658(Top 24%)2658(Top 57%)
Half13.11 mi0.68 mi11389+412884+152884+1510753(Top 42%)2650(Top 24%)2650(Top 57%)
25K15.53 mi2.42 mi10814+5752636+2482636+2488618(Top 34%)1824(Top 17%)1824(Top 39%)
30K18.64 mi3.11 mi9693+11212154+4822154+4825816(Top 23%)915(Top 8%)915(Top 20%)
20M20.00 mi1.36 mi9207+4861975+1791975+1794957(Top 19%)732(Top 7%)732(Top 16%)
21M21.00 mi1.00 mi8752+4551826+1491826+1494267(Top 17%)633(Top 6%)633(Top 14%)
35K21.75 mi0.75 mi8533+2191756+701756+704439(Top 17%)676(Top 6%)676(Top 15%)
23M23.00 mi1.25 mi8208+3251674+821674+824956(Top 19%)995(Top 9%)995(Top 21%)
24M24.00 mi1.00 mi7966+2421606+681606+684817(Top 19%)1010(Top 9%)1010(Top 22%)
40K24.85 mi0.85 mi7823+1431588+181588+185779(Top 23%)1559(Top 14%)1559(Top 33%)
25.2M25.20 mi0.35 mi7636+1871531+571531+572055(Top 8%)247(Top 2%)247(Top 5%)
Finish26.22 mi1.02 mi7558+781546-151546-156905(Top 27%)2082(Top 19%)2082(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11565

Females

2993

F18-39

2993

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12346

Females

3371

F18-39

3371

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11565

Females

2993

F18-39

2993

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

10687

Females

2658

F18-39

2658

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

10753

Females

2650

F18-39

2650

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8618

Females

1824

F18-39

1824

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

5816

Females

915

F18-39

915

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

4957

Females

732

F18-39

732

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4267

Females

633

F18-39

633

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4439

Females

676

F18-39

676

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

4956

Females

995

F18-39

995

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

4817

Females

1010

F18-39

1010

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

5779

Females

1559

F18-39

1559

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2055

Females

247

F18-39

247

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

6905

Females

2082

F18-39

2082

Passing Analysis

Category:
Athletes Passed
4835*
Passed By
915
Net Change
+3920
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11478
5K → 10K155559-404#11478#11882
10K → 15K290170+120#11882#11762
15K → 20K41179+332#11762#11430
20K → Half6423+41#11430#11389
Half → 25K5805+575#11389#10814
25K → 30K1121*0+1121#10814#9693
30K → 20M4882+486#9693#9207
20M → 21M4561+455#9207#8752
21M → 35K2201+219#8752#8533
35K → 23M3338+325#8533#8208
23M → 24M2431+242#8208#7966
24M → 40K16320+143#7966#7823
40K → 25.2M1870+187#7823#7636
25.2M → Finish12446+78#7636#7558
TOTALS4835*915+3920

* 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