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BOSTON MARATHON 2024

Mary Lapidas

Bib: 17107•F

TX

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 39%
Gender (Female)
#0 / 10924
Top 24%
Division (F18-39)
#0 / 4660
Top 40%
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
7:32/mi
23:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
46:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:10:11
↑ 67↓ 78
20K· 12.43 mi
7:45/mi
1:34:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:39:31
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
1:58:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:24:14
↑ 181↓ 1480.2%
20M
8:56/mi
2:36:23
↑ 64↓ 500.2%
21M
9:08/mi
2:45:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:51:33
↑ 17↓ 861.7%
23M
8:37/mi
3:02:20
↑ 23↓ 630.6%
24M
8:37/mi
3:10:57
↓ 821.3%
40K· 24.85 mi
9:10/mi
3:18:47
↓ 200.3%
25.2M
9:57/mi
3:22:13
↑ 13↓ 160.2%
Finish· 26.22 mi
8:59/mi
3:31:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:31
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:51:51
Pace8:32 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1123:237:3223:23
7:32
-
10K
6.21 mi11:38:2946:417:3123:18
7:30
-0:02
15K
9.32 mi12:01:591:10:117:3223:30
7:34
+0:04
20K
12.43 mi12:26:051:34:177:3524:06
7:45
+0:11
Half
13.11 mi12:31:191:39:317:355:14
7:40
-0:05
25K
15.53 mi12:50:301:58:427:3819:11
7:55
+0:15
30K
18.64 mi13:16:022:24:147:4425:32
8:13
+0:18
20M
20.00 mi13:28:112:36:237:4912:09
8:56
+0:43
21M
21.00 mi13:37:192:45:317:539:08
9:08
+0:12
35K
21.75 mi13:43:212:51:337:536:02
8:04
-1:04
23M
23.00 mi13:54:083:02:207:5610:47
8:37
+0:33
24M
24.00 mi14:02:453:10:577:578:37
8:37
0:00
40K
24.85 mi14:10:353:18:478:007:50
9:10
+0:33
25.2M
25.20 mi14:14:013:22:138:013:26
9:57
+0:47
Finish
26.22 mi14:23:103:31:228:049:09
8:59
-0:58

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

7:30 /mi

Average Pace

8:04 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:31

47% of race

Time at Steady Pace

50:45

24% of race

Time at Slower Pace

1:01:06

29% of race

Average Pace: 8:04 /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 mi11:15:1123:237:3223:23
7:32
#10992
10K
6.21 mi11:38:2946:417:3123:18
7:30
#10601
15K
9.32 mi12:01:591:10:117:3223:30
7:34
#10425
20K
12.43 mi12:26:051:34:177:3524:06
7:45
#10298
Half
13.11 mi12:31:191:39:317:355:14
7:40
#10293
25K
15.53 mi12:50:301:58:427:3819:11
7:55
#10102
30K
18.64 mi13:16:022:24:147:4425:32
8:13
#9812
20M
20.00 mi13:28:112:36:237:4912:09
8:56
#9928
21M
21.00 mi13:37:192:45:317:539:08
9:08
#9819
35K
21.75 mi13:43:212:51:337:536:02
8:04
#9725
23M
23.00 mi13:54:083:02:207:5610:47
8:37
#9610
24M
24.00 mi14:02:453:10:577:578:37
8:37
#9604
40K
24.85 mi14:10:353:18:478:007:50
9:10
#9704
25.2M
25.20 mi14:14:013:22:138:013:26
9:57
#9722
Finish
26.22 mi14:23:103:31:228:049:09
8:59
#9887
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109922561256110157(Top 40%)2258(Top 21%)2258(Top 48%)
10K6.21 mi3.10 mi10601+3912382+1792382+17910284(Top 40%)2238(Top 20%)2238(Top 48%)
15K9.32 mi3.11 mi10425+1762307+752307+7510157(Top 40%)2258(Top 21%)2258(Top 48%)
20K12.43 mi3.11 mi10298+1272305+22305+210119(Top 40%)2386(Top 22%)2386(Top 51%)
Half13.11 mi0.68 mi10293+52317-122317-1210432(Top 41%)2522(Top 23%)2522(Top 54%)
25K15.53 mi2.42 mi10102+1912267+502267+509625(Top 38%)2301(Top 21%)2301(Top 49%)
30K18.64 mi3.11 mi9812+2902220+472220+479113(Top 36%)2266(Top 21%)2266(Top 49%)
20M20.00 mi1.36 mi9928-1162332-1122332-11211808(Top 46%)3913(Top 36%)3913(Top 84%)
21M21.00 mi1.00 mi9819+1092335-32335-39207(Top 36%)2796(Top 26%)2796(Top 60%)
35K21.75 mi0.75 mi9725+942331+42331+48215(Top 32%)2329(Top 21%)2329(Top 50%)
23M23.00 mi1.25 mi9610+1152337-62337-69084(Top 36%)2916(Top 27%)2916(Top 63%)
24M24.00 mi1.00 mi9604+62384-472384-4710145(Top 40%)3515(Top 32%)3515(Top 75%)
40K24.85 mi0.85 mi9704-1002467-832467-8311600(Top 45%)4338(Top 40%)4338(Top 93%)
25.2M25.20 mi0.35 mi9722-182492-252492-2510783(Top 42%)3976(Top 36%)3976(Top 85%)
Finish26.22 mi1.02 mi9887-1652614-1222614-12214096(Top 55%)5516(Top 50%)5516(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10157

Females

2258

F18-39

2258

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10284

Females

2238

F18-39

2238

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10157

Females

2258

F18-39

2258

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10119

Females

2386

F18-39

2386

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10432

Females

2522

F18-39

2522

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

9625

Females

2301

F18-39

2301

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9113

Females

2266

F18-39

2266

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

11808

Females

3913

F18-39

3913

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9207

Females

2796

F18-39

2796

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8215

Females

2329

F18-39

2329

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9084

Females

2916

F18-39

2916

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10145

Females

3515

F18-39

3515

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11600

Females

4338

F18-39

4338

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

10783

Females

3976

F18-39

3976

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14096

Females

5516

F18-39

5516

Passing Analysis

Category:
Athletes Passed
2686*
Passed By
1577
Net Change
+1105
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10992
5K → 10K507116+391#10992#10601
10K → 15K299123+176#10601#10425
15K → 20K280153+127#10425#10298
20K → Half4540+5#10298#10293
Half → 25K28291+191#10293#10102
25K → 30K419129+290#10102#9812
30K → 20M114229-116#9812#9928
20M → 21M17767+109#9928#9819
21M → 35K12733+94#9819#9725
35K → 23M19983+115#9725#9610
23M → 24M101*95+6#9610#9604
24M → 40K51151-100#9604#9704
40K → 25.2M3957-18#9704#9722
25.2M → Finish46210-165#9722#9887
TOTALS2686*1577+1105

* 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