Boston Marathon logo
BOSTON MARATHON 2024

Brittany Boisclair

Bib: 26404•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
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
9:28/mi
29:24
↑ 97↓ 3451.5%
10K· 6.21 mi
9:03/mi
57:31
↑ 79↓ 1380.4%
15K· 9.32 mi
9:07/mi
1:25:50
↑ 67↓ 78
20K· 12.43 mi
9:17/mi
1:54:39
↑ 106↓ 860.1%
Half· 13.11 mi
8:59/mi
2:00:47
↑ 19↓ 370.5%
25K· 15.53 mi
9:22/mi
2:23:29
↑ 66↓ 880.2%
30K· 18.64 mi
9:28/mi
2:52:55
↑ 181↓ 1480.2%
20M
9:44/mi
3:06:08
↑ 64↓ 500.2%
21M
10:48/mi
3:16:56
↑ 106↓ 241.6%
35K· 21.75 mi
9:19/mi
3:23:54
↑ 17↓ 861.7%
23M
9:37/mi
3:35:56
↑ 23↓ 630.6%
24M
9:22/mi
3:45:18
↓ 821.3%
40K· 24.85 mi
9:46/mi
3:53:39
↓ 200.3%
25.2M
10:52/mi
3:57:24
↑ 13↓ 160.2%
Finish· 26.22 mi
9:04/mi
4:06:38
↑ 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
Time2:00:47
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:05:51
Pace9:36 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4429:249:2829:24
9:28
-
10K
6.21 mi12:14:5157:319:1528:07
9:03
-0:25
15K
9.32 mi12:43:101:25:509:1328:19
9:07
+0:04
20K
12.43 mi13:11:591:54:399:1428:49
9:17
+0:10
Half
13.11 mi13:18:072:00:479:136:08
8:59
-0:18
25K
15.53 mi13:40:492:23:299:1422:42
9:22
+0:23
30K
18.64 mi14:10:152:52:559:1729:26
9:28
+0:06
20M
20.00 mi14:23:283:06:089:1813:13
9:44
+0:16
21M
21.00 mi14:34:163:16:569:2310:48
10:48
+1:04
35K
21.75 mi14:41:143:23:549:236:58
9:19
-1:29
23M
23.00 mi14:53:163:35:569:2312:02
9:37
+0:18
24M
24.00 mi15:02:383:45:189:239:22
9:22
-0:15
40K
24.85 mi15:10:593:53:399:248:21
9:46
+0:24
25.2M
25.20 mi15:14:443:57:249:253:45
10:52
+1:06
Finish
26.22 mi15:23:584:06:389:259:14
9:04
-1:48

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

8:59 /mi

Average Pace

9:25 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

43:29

18% of race

Time at Steady Pace

2:47:02

68% of race

Time at Slower Pace

36:07

15% of race

Average Pace: 9:24 /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 mi11:46:4429:249:2829:24
9:28
#21624
10K
6.21 mi12:14:5157:319:1528:07
9:03
#20849
15K
9.32 mi12:43:101:25:509:1328:19
9:07
#20354
20K
12.43 mi13:11:591:54:399:1428:49
9:17
#19844
Half
13.11 mi13:18:072:00:479:136:08
8:59
#19764
25K
15.53 mi13:40:492:23:299:1422:42
9:22
#19302
30K
18.64 mi14:10:152:52:559:1729:26
9:28
#18553
20M
20.00 mi14:23:283:06:089:1813:13
9:44
#18323
21M
21.00 mi14:34:163:16:569:2310:48
10:48
#18167
35K
21.75 mi14:41:143:23:549:236:58
9:19
#18022
23M
23.00 mi14:53:163:35:569:2312:02
9:37
#17740
24M
24.00 mi15:02:383:45:189:239:22
9:22
#17601
40K
24.85 mi15:10:593:53:399:248:21
9:46
#17458
25.2M
25.20 mi15:14:443:57:249:253:45
10:52
#17371
Finish
26.22 mi15:23:584:06:389:259:14
9:04
#17240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi216248724872419389(Top 76%)7458(Top 68%)7458(Top 160%)
10K6.21 mi3.10 mi20849+7758309+4158309+41519930(Top 78%)7789(Top 71%)7789(Top 167%)
15K9.32 mi3.11 mi20354+4958015+2948015+29419389(Top 76%)7458(Top 68%)7458(Top 160%)
20K12.43 mi3.11 mi19844+5107740+2757740+27518475(Top 72%)6977(Top 64%)6977(Top 150%)
Half13.11 mi0.68 mi19764+807699+417699+4118244(Top 71%)6914(Top 63%)6914(Top 148%)
25K15.53 mi2.42 mi19302+4627463+2367463+23617045(Top 67%)6299(Top 58%)6299(Top 135%)
30K18.64 mi3.11 mi18553+7497139+3247139+32415371(Top 60%)5626(Top 52%)5626(Top 121%)
20M20.00 mi1.36 mi18323+2307039+1007039+10015485(Top 61%)5951(Top 54%)5951(Top 128%)
21M21.00 mi1.00 mi18167+1566975+646975+6415782(Top 62%)6216(Top 57%)6216(Top 133%)
35K21.75 mi0.75 mi18022+1456917+586917+5814797(Top 58%)5745(Top 53%)5745(Top 123%)
23M23.00 mi1.25 mi17740+2826788+1296788+12913992(Top 55%)5419(Top 50%)5419(Top 116%)
24M24.00 mi1.00 mi17601+1396734+546734+5413911(Top 54%)5408(Top 50%)5408(Top 116%)
40K24.85 mi0.85 mi17458+1436684+506684+5014165(Top 55%)5617(Top 51%)5617(Top 121%)
25.2M25.20 mi0.35 mi17371+876653+316653+3114127(Top 55%)5636(Top 52%)5636(Top 121%)
Finish26.22 mi1.02 mi17240+1316610+436610+4314531(Top 57%)5743(Top 53%)5743(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

19389

Females

7458

F18-39

7458

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

19930

Females

7789

F18-39

7789

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

19389

Females

7458

F18-39

7458

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

18475

Females

6977

F18-39

6977

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18244

Females

6914

F18-39

6914

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17045

Females

6299

F18-39

6299

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

15371

Females

5626

F18-39

5626

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

15485

Females

5951

F18-39

5951

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

15782

Females

6216

F18-39

6216

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

14797

Females

5745

F18-39

5745

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

13992

Females

5419

F18-39

5419

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

13911

Females

5408

F18-39

5408

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14165

Females

5617

F18-39

5617

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14127

Females

5636

F18-39

5636

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

14531

Females

5743

F18-39

5743

Passing Analysis

Category:
Athletes Passed
4574
Passed By
190
Net Change
+4384
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21624
5K → 10K80732+775#21624#20849
10K → 15K52934+495#20849#20354
15K → 20K53626+510#20354#19844
20K → Half844+80#19844#19764
Half → 25K4697+462#19764#19302
25K → 30K7534+749#19302#18553
30K → 20M24111+230#18553#18323
20M → 21M18731+156#18323#18167
21M → 35K1516+145#18167#18022
35K → 23M2875+282#18022#17740
23M → 24M1467+139#17740#17601
24M → 40K1474+143#17601#17458
40K → 25.2M958+87#17458#17371
25.2M → Finish14211+131#17371#17240
TOTALS4574190+4384
📊

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