Boston Marathon logo
BOSTON MARATHON 2024

Aliza Lapierre

Bib: 14230•F

VT

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 29%
Gender (Female)
#0 / 10924
Top 14%
Masters (Masters Women)
#0 / 6263
Top 5%
Division (F40-44)
#0 / 1613
Top 12%
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
7:57/mi
24:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
48:51
↑ 79↓ 1380.4%
15K· 9.32 mi
7:39/mi
1:12:36
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:36:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:42:01
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
2:00:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:48/mi
2:24:57
↑ 181↓ 1480.2%
20M
7:42/mi
2:35:25
↑ 64↓ 500.2%
21M
8:04/mi
2:43:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:49:04
↑ 17↓ 861.7%
23M
7:45/mi
2:58:46
↑ 23↓ 630.6%
24M
7:23/mi
3:06:09
↓ 821.3%
40K· 24.85 mi
7:29/mi
3:12:33
↓ 200.3%
25.2M
8:16/mi
3:15:24
↑ 13↓ 160.2%
Finish· 26.22 mi
7:01/mi
3:22:33
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half
Distance13.11 mi
Time1:42:01
Pace7:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:32
Pace7:40 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1224:427:5724:42
7:57
-
10K
6.21 mi11:40:2148:517:5224:09
7:46
-0:11
15K
9.32 mi12:04:061:12:367:4723:45
7:39
-0:07
20K
12.43 mi12:28:201:36:507:4824:14
7:48
+0:09
Half
13.11 mi12:33:311:42:017:475:11
7:36
-0:12
25K
15.53 mi12:52:122:00:427:4618:41
7:42
+0:06
30K
18.64 mi13:16:272:24:577:4724:15
7:48
+0:06
20M
20.00 mi13:26:552:35:257:4610:28
7:42
-0:06
21M
21.00 mi13:34:592:43:297:478:04
8:04
+0:22
35K
21.75 mi13:40:342:49:047:465:35
7:28
-0:36
23M
23.00 mi13:50:162:58:467:469:42
7:45
+0:17
24M
24.00 mi13:57:393:06:097:457:23
7:23
-0:22
40K
24.85 mi14:04:033:12:337:456:24
7:29
+0:06
25.2M
25.20 mi14:06:543:15:247:452:51
8:16
+0:47
Finish
26.22 mi14:14:033:22:337:447:09
7:01
-1:15

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

7:01 /mi

Average Pace

7:44 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:36

42% of race

Time at Steady Pace

1:57:57

58% 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 mi11:16:1224:427:5724:42
7:57
#14263
10K
6.21 mi11:40:2148:517:5224:09
7:46
#13327
15K
9.32 mi12:04:061:12:367:4723:45
7:39
#12430
20K
12.43 mi12:28:201:36:507:4824:14
7:48
#11833
Half
13.11 mi12:33:311:42:017:475:11
7:36
#11720
25K
15.53 mi12:52:122:00:427:4618:41
7:42
#11079
30K
18.64 mi13:16:272:24:577:4724:15
7:48
#10077
20M
20.00 mi13:26:552:35:257:4610:28
7:42
#9575
21M
21.00 mi13:34:592:43:297:478:04
8:04
#9134
35K
21.75 mi13:40:342:49:047:465:35
7:28
#8902
23M
23.00 mi13:50:162:58:467:469:42
7:45
#8537
24M
24.00 mi13:57:393:06:097:457:23
7:23
#8228
40K
24.85 mi14:04:033:12:337:456:24
7:29
#7946
25.2M
25.20 mi14:06:543:15:247:452:51
8:16
#7819
Finish
26.22 mi14:14:033:22:337:447:09
7:01
#7529
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi142634478447810774(Top 42%)2563(Top 23%)2563(Top 159%)
10K6.21 mi3.10 mi13327+9363915+5633915+56312433(Top 49%)3426(Top 31%)3426(Top 212%)
15K9.32 mi3.11 mi12430+8973427+4883427+48810774(Top 42%)2563(Top 23%)2563(Top 159%)
20K12.43 mi3.11 mi11833+5973124+3033124+30310436(Top 41%)2541(Top 23%)2541(Top 158%)
Half13.11 mi0.68 mi11720+1133070+543070+549847(Top 39%)2204(Top 20%)2204(Top 137%)
25K15.53 mi2.42 mi11079+6412765+3052765+3058326(Top 33%)1692(Top 15%)1692(Top 105%)
30K18.64 mi3.11 mi10077+10022355+4102355+4106758(Top 26%)1264(Top 12%)1264(Top 78%)
20M20.00 mi1.36 mi9575+5022163+1922163+1925245(Top 21%)841(Top 8%)841(Top 52%)
21M21.00 mi1.00 mi9134+4412009+1542009+1544448(Top 17%)697(Top 6%)697(Top 43%)
35K21.75 mi0.75 mi8902+2321925+841925+844941(Top 19%)868(Top 8%)868(Top 54%)
23M23.00 mi1.25 mi8537+3651825+1001825+1004590(Top 18%)840(Top 8%)840(Top 52%)
24M24.00 mi1.00 mi8228+3091726+991726+993710(Top 15%)582(Top 5%)582(Top 36%)
40K24.85 mi0.85 mi7946+2821650+761650+763483(Top 14%)604(Top 6%)604(Top 37%)
25.2M25.20 mi0.35 mi7819+1271609+411609+413673(Top 14%)714(Top 7%)714(Top 44%)
Finish26.22 mi1.02 mi7529+2901534+751534+753233(Top 13%)544(Top 5%)544(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

10774

Females

2563

F40-44

2563

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

12433

Females

3426

F40-44

3426

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

10774

Females

2563

F40-44

2563

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10436

Females

2541

F40-44

2541

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

9847

Females

2204

F40-44

2204

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8326

Females

1692

F40-44

1692

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6758

Females

1264

F40-44

1264

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5245

Females

841

F40-44

841

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4448

Females

697

F40-44

697

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

4941

Females

868

F40-44

868

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

4590

Females

840

F40-44

840

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

3710

Females

582

F40-44

582

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3483

Females

604

F40-44

604

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3673

Females

714

F40-44

714

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3233

Females

544

F40-44

544

Passing Analysis

Category:
Athletes Passed
6820*
Passed By
86
Net Change
+6734
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14263
5K → 10K98246+936#14263#13327
10K → 15K9047+897#13327#12430
15K → 20K61417+597#12430#11833
20K → Half1152+113#11833#11720
Half → 25K6432+641#11720#11079
25K → 30K10031+1002#11079#10077
30K → 20M502*0+502#10077#9575
20M → 21M4443+441#9575#9134
21M → 35K2342+232#9134#8902
35K → 23M3661+365#8902#8537
23M → 24M3101+309#8537#8228
24M → 40K2842+282#8228#7946
40K → 25.2M1281+127#7946#7819
25.2M → Finish2911+290#7819#7529
TOTALS6820*86+6734

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing