Boston Marathon logo
BOSTON MARATHON 2024

Hailey Desmarais

Bib: 13456•F

MA

0:00
0:00
/ mi
Be the first to cheer!
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
7:03/mi
21:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
44:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:09/mi
1:06:20
↑ 67↓ 78
20K· 12.43 mi
7:21/mi
1:29:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:34:06
↑ 19↓ 370.5%
25K· 15.53 mi
7:26/mi
1:52:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:16:57
↑ 181↓ 1480.2%
20M
8:32/mi
2:28:33
↑ 64↓ 500.2%
21M
9:02/mi
2:37:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:47/mi
2:44:09
↑ 17↓ 861.7%
23M
8:50/mi
2:55:13
↑ 23↓ 630.6%
24M
8:47/mi
3:04:00
↓ 821.3%
40K· 24.85 mi
8:40/mi
3:11:25
↓ 200.3%
25.2M
9:25/mi
3:14:40
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:22:46
↑ 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 HalfFaster
Distance13.11 mi
Time1:34:06
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:48:40
Pace8:17 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2321:547:0321:54
7:03
-
10K
6.21 mi11:13:3744:087:0622:14
7:09
+0:06
15K
9.32 mi11:35:491:06:207:0722:12
7:09
0:00
20K
12.43 mi11:58:401:29:117:1122:51
7:21
+0:12
Half
13.11 mi12:03:351:34:067:114:55
7:12
-0:09
25K
15.53 mi12:21:361:52:077:1318:01
7:26
+0:14
30K
18.64 mi12:46:262:16:577:2124:50
8:00
+0:34
20M
20.00 mi12:58:022:28:337:2611:36
8:32
+0:32
21M
21.00 mi13:07:042:37:357:309:02
9:02
+0:30
35K
21.75 mi13:13:382:44:097:336:34
8:47
-0:15
23M
23.00 mi13:24:422:55:137:3711:04
8:50
+0:03
24M
24.00 mi13:33:293:04:007:408:47
8:47
-0:03
40K
24.85 mi13:40:543:11:257:427:25
8:40
-0:07
25.2M
25.20 mi13:44:093:14:407:433:15
9:25
+0:45
Finish
26.22 mi13:52:153:22:467:448:06
7:57
-1:28

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

7:03 /mi

Average Pace

7:44 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:07

55% of race

Time at Steady Pace

32:56

16% of race

Time at Slower Pace

57:43

28% 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 mi10:51:2321:547:0321:54
7:03
#7352
10K
6.21 mi11:13:3744:087:0622:14
7:09
#7474
15K
9.32 mi11:35:491:06:207:0722:12
7:09
#7315
20K
12.43 mi11:58:401:29:117:1122:51
7:21
#7288
Half
13.11 mi12:03:351:34:067:114:55
7:12
#7270
25K
15.53 mi12:21:361:52:077:1318:01
7:26
#7065
30K
18.64 mi12:46:262:16:577:2124:50
8:00
#7120
20M
20.00 mi12:58:022:28:337:2611:36
8:32
#7249
21M
21.00 mi13:07:042:37:357:309:02
9:02
#7266
35K
21.75 mi13:13:382:44:097:336:34
8:47
#7401
23M
23.00 mi13:24:422:55:137:3711:04
8:50
#7502
24M
24.00 mi13:33:293:04:007:408:47
8:47
#7603
40K
24.85 mi13:40:543:11:257:427:25
8:40
#7627
25.2M
25.20 mi13:44:093:14:407:433:15
9:25
#7613
Finish
26.22 mi13:52:153:22:467:448:06
7:57
#7588
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi73529459457107(Top 28%)950(Top 9%)950(Top 20%)
10K6.21 mi3.10 mi7474-122999-54999-547652(Top 30%)1089(Top 10%)1089(Top 23%)
15K9.32 mi3.11 mi7315+159961+38961+387107(Top 28%)950(Top 9%)950(Top 20%)
20K12.43 mi3.11 mi7288+27985-24985-247341(Top 29%)1124(Top 10%)1124(Top 24%)
Half13.11 mi0.68 mi7270+18987-2987-27088(Top 28%)1032(Top 9%)1032(Top 22%)
25K15.53 mi2.42 mi7065+205957+30957+306607(Top 26%)1015(Top 9%)1015(Top 22%)
30K18.64 mi3.11 mi7120-551029-721029-727831(Top 31%)1706(Top 16%)1706(Top 37%)
20M20.00 mi1.36 mi7249-1291118-891118-899630(Top 38%)2756(Top 25%)2756(Top 59%)
21M21.00 mi1.00 mi7266-171171-531171-538759(Top 34%)2559(Top 23%)2559(Top 55%)
35K21.75 mi0.75 mi7401-1351263-921263-9212219(Top 48%)4383(Top 40%)4383(Top 94%)
23M23.00 mi1.25 mi7502-1011360-971360-9710307(Top 40%)3550(Top 32%)3550(Top 76%)
24M24.00 mi1.00 mi7603-1011455-951455-9511037(Top 43%)3932(Top 36%)3932(Top 84%)
40K24.85 mi0.85 mi7627-241508-531508-539261(Top 36%)3208(Top 29%)3208(Top 69%)
25.2M25.20 mi0.35 mi7613+141523-151523-158435(Top 33%)2843(Top 26%)2843(Top 61%)
Finish26.22 mi1.02 mi7588+251557-341557-348234(Top 32%)2690(Top 25%)2690(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7107

Females

950

F18-39

950

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

7652

Females

1089

F18-39

1089

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7107

Females

950

F18-39

950

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7341

Females

1124

F18-39

1124

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7088

Females

1032

F18-39

1032

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

6607

Females

1015

F18-39

1015

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

7831

Females

1706

F18-39

1706

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

9630

Females

2756

F18-39

2756

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

8759

Females

2559

F18-39

2559

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12219

Females

4383

F18-39

4383

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

10307

Females

3550

F18-39

3550

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11037

Females

3932

F18-39

3932

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9261

Females

3208

F18-39

3208

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8435

Females

2843

F18-39

2843

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8234

Females

2690

F18-39

2690

Passing Analysis

Category:
Athletes Passed
1709
Passed By
1945
Net Change
-236
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7352
5K → 10K155277-122#7352#7474
10K → 15K22263+159#7474#7315
15K → 20K194167+27#7315#7288
20K → Half4224+18#7288#7270
Half → 25K28479+205#7270#7065
25K → 30K183238-55#7065#7120
30K → 20M77206-129#7120#7249
20M → 21M116133-17#7249#7266
21M → 35K54189-135#7266#7401
35K → 23M96197-101#7401#7502
23M → 24M67168-101#7502#7603
24M → 40K76100-24#7603#7627
40K → 25.2M5137+14#7627#7613
25.2M → Finish9267+25#7613#7588
TOTALS17091945-236
📊

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