Boston Marathon logo
BOSTON MARATHON 2025

Isabella Caruso

Bib: 2401•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 6%
Gender (Female)
#0 / 12228
Top 0.7%
Division (F18-39)
#0 / 5469
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:44
Rank: #2778
Start → 5K
19:44 | 6:21/mi
10K· 6.21 mi
39:23
Rank: #2670 (+108)
5K → 10K
19:39 | 6:19/mi
15K· 9.32 mi
59:06
Rank: #2651 (+19)
10K → 15K
19:43 | 6:21/mi
20K· 12.43 mi
1:18:47
Rank: #2492 (+159)
15K → 20K
19:41 | 6:20/mi
Half· 13.11 mi
1:22:59
Rank: #2444 (+48)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:38:16
Rank: #2322 (+122)
Half → 25K
15:17 | 6:18/mi
30K· 18.64 mi
1:58:11
Rank: #2141 (+181)
25K → 30K
19:55 | 6:25/mi
20M
2:07:00
Rank: #2070 (+71)
30K → 20M
8:49 | 6:29/mi
21M
2:13:41
Rank: #1985 (+85)
20M → 21M
6:41 | 6:41/mi
35K· 21.75 mi
2:18:22
Rank: #1938 (+47)
21M → 35K
4:41 | 6:16/mi
23M
2:26:23
Rank: #1849 (+89)
35K → 23M
8:01 | 6:24/mi
24M
2:32:36
Rank: #1780 (+69)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:38:05
Rank: #1742 (+38)
24M → 40K
5:29 | 6:25/mi
25.2M
2:40:29
Rank: #1713 (+29)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:46:41
Rank: #1661 (+52)
25.2M → Finish
6:12 | 6:05/mi

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⚖️ Balanced
Distance13.11 mi
Time1:22:59
Pace6:20 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:42
Pace6:23 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3419:446:2119:44
6:21
-
10K
6.21 mi10:41:1339:236:2019:39
6:19
-0:02
15K
9.32 mi11:00:5659:066:2019:43
6:21
+0:02
20K
12.43 mi11:20:371:18:476:2019:41
6:20
-0:01
Half
13.11 mi11:24:491:22:596:204:12
6:09
-0:11
25K
15.53 mi11:40:061:38:166:2015:17
6:18
+0:09
30K
18.64 mi12:00:011:58:116:2019:55
6:25
+0:07
20M
20.00 mi12:08:502:07:006:218:49
6:29
+0:04
21M
21.00 mi12:15:312:13:416:226:41
6:41
+0:12
35K
21.75 mi12:20:122:18:226:224:41
6:16
-0:25
23M
23.00 mi12:28:132:26:236:228:01
6:24
+0:08
24M
24.00 mi12:34:262:32:366:226:13
6:13
-0:11
40K
24.85 mi12:39:552:38:056:225:29
6:25
+0:12
25.2M
25.20 mi12:42:192:40:296:222:24
6:58
+0:33
Finish
26.22 mi12:48:312:46:416:226:12
6:05
-0:53

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

6:05 /mi

Average Pace

6:22 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:17

99% of race

Time at Steady Pace

2:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:21 /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 mi10:21:3419:446:2119:44
6:21
#2778
10K
6.21 mi10:41:1339:236:2019:39
6:19
#2670
15K
9.32 mi11:00:5659:066:2019:43
6:21
#2651
20K
12.43 mi11:20:371:18:476:2019:41
6:20
#2492
Half
13.11 mi11:24:491:22:596:204:12
6:09
#2444
25K
15.53 mi11:40:061:38:166:2015:17
6:18
#2322
30K
18.64 mi12:00:011:58:116:2019:55
6:25
#2141
20M
20.00 mi12:08:502:07:006:218:49
6:29
#2070
21M
21.00 mi12:15:312:13:416:226:41
6:41
#1985
35K
21.75 mi12:20:122:18:226:224:41
6:16
#1938
23M
23.00 mi12:28:132:26:236:228:01
6:24
#1849
24M
24.00 mi12:34:262:32:366:226:13
6:13
#1780
40K
24.85 mi12:39:552:38:056:225:29
6:25
#1742
25.2M
25.20 mi12:42:192:40:296:222:24
6:58
#1713
Finish
26.22 mi12:48:312:46:416:226:12
6:05
#1661
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27781251252627(Top 9%)114(Top 0.9%)114(Top 2%)
10K6.21 mi3.10 mi2670+108120+5120+52585(Top 9%)110(Top 0.9%)110(Top 2%)
15K9.32 mi3.11 mi2651+19116+4116+42627(Top 9%)114(Top 0.9%)114(Top 2%)
20K12.43 mi3.11 mi2492+159108+8108+82207(Top 8%)95(Top 0.8%)95(Top 2%)
Half13.11 mi0.68 mi2444+48104+4104+41817(Top 6%)80(Top 0.7%)80(Top 1%)
25K15.53 mi2.42 mi2322+122100+4100+41890(Top 7%)87(Top 0.7%)87(Top 2%)
30K18.64 mi3.11 mi2141+18194+694+61609(Top 6%)78(Top 0.6%)78(Top 1%)
20M20.00 mi1.36 mi2070+7192+292+21601(Top 6%)81(Top 0.7%)81(Top 1%)
21M21.00 mi1.00 mi1985+8590+290+21174(Top 4%)58(Top 0.5%)58(Top 1%)
35K21.75 mi0.75 mi1938+4790901495(Top 5%)76(Top 0.6%)76(Top 1%)
23M23.00 mi1.25 mi1849+8989+189+11176(Top 4%)64(Top 0.5%)64(Top 1%)
24M24.00 mi1.00 mi1780+6987+287+21099(Top 4%)61(Top 0.5%)61(Top 1%)
40K24.85 mi0.85 mi1742+3885+285+21337(Top 5%)88(Top 0.7%)88(Top 2%)
25.2M25.20 mi0.35 mi1713+2984+184+11421(Top 5%)111(Top 0.9%)111(Top 2%)
Finish26.22 mi1.02 mi1661+5283+183+11161(Top 4%)71(Top 0.6%)71(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2627

Females

114

F18-39

114

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2585

Females

110

F18-39

110

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2627

Females

114

F18-39

114

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2207

Females

95

F18-39

95

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1817

Females

80

F18-39

80

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1890

Females

87

F18-39

87

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1609

Females

78

F18-39

78

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1601

Females

81

F18-39

81

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1174

Females

58

F18-39

58

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1495

Females

76

F18-39

76

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1176

Females

64

F18-39

64

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1099

Females

61

F18-39

61

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1337

Females

88

F18-39

88

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1421

Females

111

F18-39

111

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1161

Females

71

F18-39

71

Passing Analysis

Category:
Athletes Passed
1345
Passed By
228
Net Change
+1117
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2778
5K → 10K18274+108#2778#2670
10K → 15K9172+19#2670#2651
15K → 20K16910+159#2651#2492
20K → Half480+48#2492#2444
Half → 25K1297+122#2444#2322
25K → 30K19211+181#2322#2141
30K → 20M809+71#2141#2070
20M → 21M883+85#2070#1985
21M → 35K536+47#1985#1938
35K → 23M967+89#1938#1849
23M → 24M745+69#1849#1780
24M → 40K5113+38#1780#1742
40K → 25.2M323+29#1742#1713
25.2M → Finish608+52#1713#1661
TOTALS1345228+1117
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing