Boston Marathon logo
BOSTON MARATHON 2025

Kara Farroni

Bib: 13886•F

TX

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 24%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 14%
Race Day Weather
50°/40°F
broken 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
21:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
44:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:06/mi
1:06:09
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:28:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:33:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:13/mi
1:50:49
↑ 66↓ 880.2%
30K· 18.64 mi
7:25/mi
2:13:52
↑ 181↓ 1480.2%
20M
7:30/mi
2:24:03
↑ 64↓ 500.2%
21M
7:43/mi
2:31:46
↑ 106↓ 241.6%
35K· 21.75 mi
6:58/mi
2:36:59
↑ 17↓ 861.7%
23M
7:24/mi
2:46:15
↑ 23↓ 630.6%
24M
7:10/mi
2:53:25
↓ 821.3%
40K· 24.85 mi
7:14/mi
2:59:36
↓ 200.3%
25.2M
7:58/mi
3:02:21
↑ 13↓ 160.2%
Finish· 26.22 mi
6:44/mi
3:09:13
↑ 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
Time1:33:19
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:35:54
Pace7:19 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1121:537:0321:53
7:03
-
10K
6.21 mi11:13:2344:057:0622:12
7:09
+0:06
15K
9.32 mi11:35:271:06:097:0622:04
7:06
-0:03
20K
12.43 mi11:57:471:28:297:0722:20
7:11
+0:05
Half
13.11 mi12:02:371:33:197:074:50
7:05
-0:06
25K
15.53 mi12:20:071:50:497:0817:30
7:13
+0:08
30K
18.64 mi12:43:102:13:527:1123:03
7:25
+0:12
20M
20.00 mi12:53:212:24:037:1210:11
7:30
+0:05
21M
21.00 mi13:01:042:31:467:147:43
7:43
+0:13
35K
21.75 mi13:06:172:36:597:135:13
6:58
-0:45
23M
23.00 mi13:15:332:46:157:149:16
7:24
+0:26
24M
24.00 mi13:22:432:53:257:147:10
7:10
-0:14
40K
24.85 mi13:28:542:59:367:146:11
7:14
+0:04
25.2M
25.20 mi13:31:393:02:217:142:45
7:58
+0:44
Finish
26.22 mi13:38:313:09:137:136:52
6:44
-1:14

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

6:44 /mi

Average Pace

7:13 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:31

77% of race

Time at Steady Pace

40:57

22% of race

Time at Slower Pace

2:45

1% of race

Average Pace: 7:13 /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 mi10:51:1121:537:0321:53
7:03
#8173
10K
6.21 mi11:13:2344:057:0622:12
7:09
#8608
15K
9.32 mi11:35:271:06:097:0622:04
7:06
#8451
20K
12.43 mi11:57:471:28:297:0722:20
7:11
#8310
Half
13.11 mi12:02:371:33:197:074:50
7:05
#8298
25K
15.53 mi12:20:071:50:497:0817:30
7:13
#8176
30K
18.64 mi12:43:102:13:527:1123:03
7:25
#7909
20M
20.00 mi12:53:212:24:037:1210:11
7:30
#7764
21M
21.00 mi13:01:042:31:467:147:43
7:43
#7573
35K
21.75 mi13:06:172:36:597:135:13
6:58
#7439
23M
23.00 mi13:15:332:46:157:149:16
7:24
#7309
24M
24.00 mi13:22:432:53:257:147:10
7:10
#7172
40K
24.85 mi13:28:542:59:367:146:11
7:14
#7054
25.2M
25.20 mi13:31:393:02:217:142:45
7:58
#7019
Finish
26.22 mi13:38:313:09:137:136:52
6:44
#6836
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8173104110418361(Top 29%)1181(Top 10%)1181(Top 22%)
10K6.21 mi3.10 mi8608-4351225-1841225-1849047(Top 32%)1392(Top 11%)1392(Top 25%)
15K9.32 mi3.11 mi8451+1571178+471178+478361(Top 29%)1181(Top 10%)1181(Top 22%)
20K12.43 mi3.11 mi8310+1411146+321146+328111(Top 29%)1146(Top 9%)1146(Top 21%)
Half13.11 mi0.68 mi8298+121148-21148-28217(Top 29%)1155(Top 9%)1155(Top 21%)
25K15.53 mi2.42 mi8176+1221123+251123+257751(Top 27%)1119(Top 9%)1119(Top 20%)
30K18.64 mi3.11 mi7909+2671074+491074+497173(Top 25%)1083(Top 9%)1083(Top 20%)
20M20.00 mi1.36 mi7764+1451046+281046+286984(Top 25%)1140(Top 9%)1140(Top 21%)
21M21.00 mi1.00 mi7573+1911024+221024+225768(Top 20%)843(Top 7%)843(Top 15%)
35K21.75 mi0.75 mi7439+134997+27997+275228(Top 18%)685(Top 6%)685(Top 13%)
23M23.00 mi1.25 mi7309+130994+3994+36078(Top 21%)1050(Top 9%)1050(Top 19%)
24M24.00 mi1.00 mi7172+137975+19975+195642(Top 20%)942(Top 8%)942(Top 17%)
40K24.85 mi0.85 mi7054+118967+8967+85260(Top 19%)859(Top 7%)859(Top 16%)
25.2M25.20 mi0.35 mi7019+35966+1966+15857(Top 21%)1183(Top 10%)1183(Top 22%)
Finish26.22 mi1.02 mi6836+183930+36930+364167(Top 15%)600(Top 5%)600(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

8361

Females

1181

F18-39

1181

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

9047

Females

1392

F18-39

1392

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

8361

Females

1181

F18-39

1181

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8111

Females

1146

F18-39

1146

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8217

Females

1155

F18-39

1155

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7751

Females

1119

F18-39

1119

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

7173

Females

1083

F18-39

1083

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6984

Females

1140

F18-39

1140

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5768

Females

843

F18-39

843

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

5228

Females

685

F18-39

685

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

6078

Females

1050

F18-39

1050

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5642

Females

942

F18-39

942

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5260

Females

859

F18-39

859

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5857

Females

1183

F18-39

1183

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4167

Females

600

F18-39

600

Passing Analysis

Category:
Athletes Passed
2245
Passed By
908
Net Change
+1337
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8173
5K → 10K69504-435#8173#8608
10K → 15K24386+157#8608#8451
15K → 20K22584+141#8451#8310
20K → Half3220+12#8310#8298
Half → 25K19068+122#8298#8176
25K → 30K31245+267#8176#7909
30K → 20M16924+145#7909#7764
20M → 21M20817+191#7764#7573
21M → 35K1362+134#7573#7439
35K → 23M15626+130#7439#7309
23M → 24M15013+137#7309#7172
24M → 40K1257+118#7172#7054
40K → 25.2M4611+35#7054#7019
25.2M → Finish1841+183#7019#6836
TOTALS2245908+1337
📊

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