Boston Marathon logo
BOSTON MARATHON 2024

Isabelle Kennedy

Bib: 10300•F

OR

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 30%
Gender (Female)
#0 / 10924
Top 15%
Division (F18-39)
#0 / 4660
Top 27%
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
6:51/mi
21:16
↑ 97↓ 3451.5%
10K· 6.21 mi
6:38/mi
41:52
↑ 79↓ 1380.4%
15K· 9.32 mi
6:31/mi
1:02:06
↑ 67↓ 78
20K· 12.43 mi
6:46/mi
1:23:07
↑ 106↓ 860.1%
Half· 13.11 mi
6:56/mi
1:27:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:46:14
↑ 66↓ 880.2%
30K· 18.64 mi
9:42/mi
2:16:21
↑ 181↓ 1480.2%
20M
7:59/mi
2:27:12
↑ 64↓ 500.2%
21M
12:33/mi
2:39:45
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:45:42
↑ 17↓ 861.7%
23M
8:08/mi
2:55:53
↑ 23↓ 630.6%
24M
9:43/mi
3:05:36
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:12:28
↓ 200.3%
25.2M
8:42/mi
3:15:28
↑ 13↓ 160.2%
Finish· 26.22 mi
7:29/mi
3:23:06
↑ 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
Time1:27:51
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:55:15
Pace8:47 /mi
📊Positive Split: 31.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1921:166:5121:16
6:51
-
10K
6.21 mi11:10:5541:526:4420:36
6:38
-0:13
15K
9.32 mi11:31:091:02:066:4020:14
6:31
-0:07
20K
12.43 mi11:52:101:23:076:4121:01
6:46
+0:15
Half
13.11 mi11:56:541:27:516:424:44
6:56
+0:10
25K
15.53 mi12:15:171:46:146:5018:23
7:35
+0:39
30K
18.64 mi12:45:242:16:217:1930:07
9:42
+2:07
20M
20.00 mi12:56:152:27:127:2210:51
7:59
-1:43
21M
21.00 mi13:08:482:39:457:3612:33
12:33
+4:34
35K
21.75 mi13:14:452:45:427:375:57
7:57
-4:36
23M
23.00 mi13:24:562:55:537:3910:11
8:08
+0:11
24M
24.00 mi13:34:393:05:367:449:43
9:43
+1:35
40K
24.85 mi13:41:313:12:287:456:52
8:02
-1:41
25.2M
25.20 mi13:44:313:15:287:453:00
8:42
+0:40
Finish
26.22 mi13:52:093:23:067:457:38
7:29
-1:13

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

6:31 /mi

Average Pace

7:45 /mi

Slowest Pace

12:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:51

43% of race

Time at Steady Pace

1:02:52

31% of race

Time at Slower Pace

52:23

26% of race

Average Pace: 7:45 /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 mi10:50:1921:166:5121:16
6:51
#6029
10K
6.21 mi11:10:5541:526:4420:36
6:38
#4880
15K
9.32 mi11:31:091:02:066:4020:14
6:31
#4020
20K
12.43 mi11:52:101:23:076:4121:01
6:46
#3862
Half
13.11 mi11:56:541:27:516:424:44
6:56
#3953
25K
15.53 mi12:15:171:46:146:5018:23
7:35
#4641
30K
18.64 mi12:45:242:16:217:1930:07
9:42
#6926
20M
20.00 mi12:56:152:27:127:2210:51
7:59
#6800
21M
21.00 mi13:08:482:39:457:3612:33
12:33
#7961
35K
21.75 mi13:14:452:45:427:375:57
7:57
#7890
23M
23.00 mi13:24:562:55:537:3910:11
8:08
#7698
24M
24.00 mi13:34:393:05:367:449:43
9:43
#8067
40K
24.85 mi13:41:313:12:287:456:52
8:02
#7926
25.2M
25.20 mi13:44:313:15:287:453:00
8:42
#7835
Finish
26.22 mi13:52:093:23:067:457:38
7:29
#7672
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi60295505502797(Top 11%)116(Top 1%)116(Top 2%)
10K6.21 mi3.10 mi4880+1149338+212338+2123842(Top 15%)215(Top 2%)215(Top 5%)
15K9.32 mi3.11 mi4020+860225+113225+1132797(Top 11%)116(Top 1%)116(Top 2%)
20K12.43 mi3.11 mi3862+158206+19206+193634(Top 14%)205(Top 2%)205(Top 4%)
Half13.11 mi0.68 mi3953-91221-15221-155446(Top 21%)535(Top 5%)535(Top 11%)
25K15.53 mi2.42 mi4641-688331-110331-1107537(Top 29%)1379(Top 13%)1379(Top 30%)
30K18.64 mi3.11 mi6926-2285970-639970-63916223(Top 63%)6083(Top 56%)6083(Top 131%)
20M20.00 mi1.36 mi6800+126964+6964+66692(Top 26%)1415(Top 13%)1415(Top 30%)
21M21.00 mi1.00 mi7961-11611466-5021466-50219962(Top 78%)8300(Top 76%)8300(Top 178%)
35K21.75 mi0.75 mi7890+711464+21464+27526(Top 29%)1996(Top 18%)1996(Top 43%)
23M23.00 mi1.25 mi7698+1921452+121452+126448(Top 25%)1657(Top 15%)1657(Top 36%)
24M24.00 mi1.00 mi8067-3691651-1991651-19915317(Top 60%)6106(Top 56%)6106(Top 131%)
40K24.85 mi0.85 mi7926+1411639+121639+125981(Top 23%)1642(Top 15%)1642(Top 35%)
25.2M25.20 mi0.35 mi7835+911618+211618+215303(Top 21%)1406(Top 13%)1406(Top 30%)
Finish26.22 mi1.02 mi7672+1631599+191599+195600(Top 22%)1453(Top 13%)1453(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

2797

Females

116

F18-39

116

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

3842

Females

215

F18-39

215

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

2797

Females

116

F18-39

116

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

3634

Females

205

F18-39

205

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5446

Females

535

F18-39

535

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7537

Females

1379

F18-39

1379

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16223

Females

6083

F18-39

6083

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6692

Females

1415

F18-39

1415

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

19962

Females

8300

F18-39

8300

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7526

Females

1996

F18-39

1996

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6448

Females

1657

F18-39

1657

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

15317

Females

6106

F18-39

6106

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

5981

Females

1642

F18-39

1642

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5303

Females

1406

F18-39

1406

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5600

Females

1453

F18-39

1453

Passing Analysis

Category:
Athletes Passed
3288
Passed By
4931
Net Change
-1643
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6029
5K → 10K11545+1149#6029#4880
10K → 15K8611+860#4880#4020
15K → 20K21961+158#4020#3862
20K → Half596-91#3862#3953
Half → 25K38726-688#3953#4641
25K → 30K92294-2285#4641#6926
30K → 20M17953+126#6926#6800
20M → 21M81169-1161#6800#7961
21M → 35K9524+71#7961#7890
35K → 23M24654+192#7890#7698
23M → 24M30399-369#7698#8067
24M → 40K16726+141#8067#7926
40K → 25.2M965+91#7926#7835
25.2M → Finish18118+163#7835#7672
TOTALS32884931-1643
📊

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