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BOSTON MARATHON 2024

Alexandrine Slater

Bib: 13234•F

QC

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 32%
Gender (Female)
#0 / 10924
Top 17%
Division (F18-39)
#0 / 4660
Top 30%
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
7:27/mi
23:08
↑ 97↓ 3451.5%
10K· 6.21 mi
7:20/mi
45:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:19/mi
1:08:40
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:31:44
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:36:44
↑ 19↓ 370.5%
25K· 15.53 mi
7:47/mi
1:55:37
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:22:03
↑ 181↓ 1480.2%
20M
8:28/mi
2:33:33
↑ 64↓ 500.2%
21M
9:24/mi
2:42:57
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:48:39
↑ 17↓ 861.7%
23M
8:22/mi
2:59:08
↑ 23↓ 630.6%
24M
7:46/mi
3:06:54
↓ 821.3%
40K· 24.85 mi
8:00/mi
3:13:44
↓ 200.3%
25.2M
9:11/mi
3:16:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:25:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:44
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:48:30
Pace8:17 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3423:087:2723:08
7:27
-
10K
6.21 mi11:16:2245:567:2422:48
7:20
-0:07
15K
9.32 mi11:39:061:08:407:2222:44
7:19
-0:01
20K
12.43 mi12:02:101:31:447:2323:04
7:25
+0:06
Half
13.11 mi12:07:101:36:447:235:00
7:20
-0:05
25K
15.53 mi12:26:031:55:377:2718:53
7:47
+0:27
30K
18.64 mi12:52:292:22:037:3726:26
8:30
+0:43
20M
20.00 mi13:03:592:33:337:4111:30
8:28
-0:02
21M
21.00 mi13:13:232:42:577:469:24
9:24
+0:56
35K
21.75 mi13:19:052:48:397:455:42
7:37
-1:47
23M
23.00 mi13:29:342:59:087:4710:29
8:22
+0:45
24M
24.00 mi13:37:203:06:547:477:46
7:46
-0:36
40K
24.85 mi13:44:103:13:447:486:50
8:00
+0:14
25.2M
25.20 mi13:47:203:16:547:493:10
9:11
+1:11
Finish
26.22 mi13:55:403:25:147:508:20
8:11
-1:00

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

7:19 /mi

Average Pace

7:50 /mi

Slowest Pace

9:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:44

47% of race

Time at Steady Pace

39:11

19% of race

Time at Slower Pace

1:09:19

34% of race

Average Pace: 7:50 /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 mi10:53:3423:087:2723:08
7:27
#10321
10K
6.21 mi11:16:2245:567:2422:48
7:20
#9581
15K
9.32 mi11:39:061:08:407:2222:44
7:19
#9096
20K
12.43 mi12:02:101:31:447:2323:04
7:25
#8718
Half
13.11 mi12:07:101:36:447:235:00
7:20
#8678
25K
15.53 mi12:26:031:55:377:2718:53
7:47
#8671
30K
18.64 mi12:52:292:22:037:3726:26
8:30
#9005
20M
20.00 mi13:03:592:33:337:4111:30
8:28
#8953
21M
21.00 mi13:13:232:42:577:469:24
9:24
#8964
35K
21.75 mi13:19:052:48:397:455:42
7:37
#8781
23M
23.00 mi13:29:342:59:087:4710:29
8:22
#8636
24M
24.00 mi13:37:203:06:547:477:46
7:46
#8429
40K
24.85 mi13:44:103:13:447:486:50
8:00
#8274
25.2M
25.20 mi13:47:203:16:547:493:10
9:11
#8228
Finish
26.22 mi13:55:403:25:147:508:20
8:11
#8239
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10321218221828292(Top 32%)1386(Top 13%)1386(Top 30%)
10K6.21 mi3.10 mi9581+7401860+3221860+3228985(Top 35%)1641(Top 15%)1641(Top 35%)
15K9.32 mi3.11 mi9096+4851666+1941666+1948292(Top 32%)1386(Top 13%)1386(Top 30%)
20K12.43 mi3.11 mi8718+3781550+1161550+1167829(Top 31%)1316(Top 12%)1316(Top 28%)
Half13.11 mi0.68 mi8678+401535+151535+157940(Top 31%)1348(Top 12%)1348(Top 29%)
25K15.53 mi2.42 mi8671+71573-381573-388861(Top 35%)1933(Top 18%)1933(Top 41%)
30K18.64 mi3.11 mi9005-3341814-2411814-24110705(Top 42%)3042(Top 28%)3042(Top 65%)
20M20.00 mi1.36 mi8953+521853-391853-399245(Top 36%)2575(Top 24%)2575(Top 55%)
21M21.00 mi1.00 mi8964-111926-731926-7310376(Top 41%)3415(Top 31%)3415(Top 73%)
35K21.75 mi0.75 mi8781+1831874+521874+525720(Top 22%)1192(Top 11%)1192(Top 26%)
23M23.00 mi1.25 mi8636+1451877-31877-37771(Top 30%)2279(Top 21%)2279(Top 49%)
24M24.00 mi1.00 mi8429+2071824+531824+535408(Top 21%)1267(Top 12%)1267(Top 27%)
40K24.85 mi0.85 mi8274+1551808+161808+165784(Top 23%)1564(Top 14%)1564(Top 34%)
25.2M25.20 mi0.35 mi8228+461810-21810-27430(Top 29%)2379(Top 22%)2379(Top 51%)
Finish26.22 mi1.02 mi8239-111851-411851-419663(Top 38%)3349(Top 31%)3349(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8292

Females

1386

F18-39

1386

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

8985

Females

1641

F18-39

1641

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8292

Females

1386

F18-39

1386

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

7829

Females

1316

F18-39

1316

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

7940

Females

1348

F18-39

1348

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

8861

Females

1933

F18-39

1933

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

10705

Females

3042

F18-39

3042

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9245

Females

2575

F18-39

2575

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10376

Females

3415

F18-39

3415

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5720

Females

1192

F18-39

1192

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

7771

Females

2279

F18-39

2279

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5408

Females

1267

F18-39

1267

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

5784

Females

1564

F18-39

1564

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7430

Females

2379

F18-39

2379

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

9663

Females

3349

F18-39

3349

Passing Analysis

Category:
Athletes Passed
3308*
Passed By
1226
Net Change
+2082
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10321
5K → 10K774*34+740#10321#9581
10K → 15K50217+485#9581#9096
15K → 20K40830+378#9096#8718
20K → Half5515+40#8718#8678
Half → 25K199192+7#8678#8671
25K → 30K176510-334#8671#9005
30K → 20M14795+52#9005#8953
20M → 21M129140-11#8953#8964
21M → 35K1852+183#8964#8781
35K → 23M20964+145#8781#8636
23M → 24M2169+207#8636#8429
24M → 40K17217+155#8429#8274
40K → 25.2M6317+46#8274#8228
25.2M → Finish7384-11#8228#8239
TOTALS3308*1226+2082

* 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