Boston Marathon logo
BOSTON MARATHON 2025

Juliana Catanzariti

Bib: 26931•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:46
Rank: #27403
Start → 5K
33:46 | 10:52/mi
10K· 6.21 mi
1:06:52
Rank: #26956 (+447)
5K → 10K
33:06 | 10:39/mi
15K· 9.32 mi
1:40:06
Rank: #26692 (+264)
10K → 15K
33:14 | 10:42/mi
20K· 12.43 mi
2:13:39
Rank: #26419 (+273)
15K → 20K
33:33 | 10:48/mi
Half· 13.11 mi
2:20:51
Rank: #26394 (+25)
20K → Half
7:12 | 10:33/mi
25K· 15.53 mi
2:46:31
Rank: #26069 (+325)
Half → 25K
25:40 | 10:35/mi
30K· 18.64 mi
3:20:00
Rank: #25643 (+426)
25K → 30K
33:29 | 10:47/mi
20M
3:33:54
Rank: #25422 (+221)
30K → 20M
13:54 | 10:14/mi
21M
3:44:08
Rank: #25181 (+241)
20M → 21M
10:14 | 10:14/mi
35K· 21.75 mi
3:51:11
Rank: #25067 (+114)
21M → 35K
7:03 | 9:25/mi
23M
4:03:21
Rank: #24849 (+218)
35K → 23M
12:10 | 9:43/mi
24M
4:12:57
Rank: #24701 (+148)
23M → 24M
9:36 | 9:36/mi
40K· 24.85 mi
4:20:53
Rank: #24532 (+169)
24M → 40K
7:56 | 9:17/mi
25.2M
4:24:08
Rank: #24448 (+84)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
4:33:12
Rank: #24297 (+151)
25.2M → Finish
9:04 | 8:54/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
Distance13.11 mi
Time2:20:51
Pace10:45 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:12:21
Pace10:06 /mi
📊Negative Split: 6.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5633:4610:5233:46
10:52
-
10K
6.21 mi12:23:021:06:5210:4633:06
10:39
-0:13
15K
9.32 mi12:56:161:40:0610:4433:14
10:42
+0:03
20K
12.43 mi13:29:492:13:3910:4533:33
10:48
+0:06
Half
13.11 mi13:37:012:20:5110:457:12
10:33
-0:15
25K
15.53 mi14:02:412:46:3110:4325:40
10:35
+0:02
30K
18.64 mi14:36:103:20:0010:4433:29
10:47
+0:12
20M
20.00 mi14:50:043:33:5410:4213:54
10:14
-0:33
21M
21.00 mi15:00:183:44:0810:4010:14
10:14
0:00
35K
21.75 mi15:07:213:51:1110:387:03
9:25
-0:49
23M
23.00 mi15:19:314:03:2110:3512:10
9:43
+0:18
24M
24.00 mi15:29:074:12:5710:329:36
9:36
-0:07
40K
24.85 mi15:37:034:20:5310:307:56
9:17
-0:19
25.2M
25.20 mi15:40:184:24:0810:293:15
9:25
+0:08
Finish
26.22 mi15:49:224:33:1210:269:04
8:54
-0:31

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

8:54 /mi

Average Pace

10:26 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:04

18% of race

Time at Steady Pace

31:20

11% of race

Time at Slower Pace

3:12:48

71% of race

Average Pace: 10:25 /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 mi11:49:5633:4610:5233:46
10:52
#27403
10K
6.21 mi12:23:021:06:5210:4633:06
10:39
#26956
15K
9.32 mi12:56:161:40:0610:4433:14
10:42
#26692
20K
12.43 mi13:29:492:13:3910:4533:33
10:48
#26419
Half
13.11 mi13:37:012:20:5110:457:12
10:33
#26394
25K
15.53 mi14:02:412:46:3110:4325:40
10:35
#26069
30K
18.64 mi14:36:103:20:0010:4433:29
10:47
#25643
20M
20.00 mi14:50:043:33:5410:4213:54
10:14
#25422
21M
21.00 mi15:00:183:44:0810:4010:14
10:14
#25181
35K
21.75 mi15:07:213:51:1110:387:03
9:25
#25067
23M
23.00 mi15:19:314:03:2110:3512:10
9:43
#24849
24M
24.00 mi15:29:074:12:5710:329:36
9:36
#24701
40K
24.85 mi15:37:034:20:5310:307:56
9:17
#24532
25.2M
25.20 mi15:40:184:24:0810:293:15
9:25
#24448
Finish
26.22 mi15:49:224:33:1210:269:04
8:54
#24297
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27403115751157526249(Top 92%)10917(Top 89%)10917(Top 200%)
10K6.21 mi3.10 mi26956+44711319+25611319+25626531(Top 93%)11085(Top 91%)11085(Top 203%)
15K9.32 mi3.11 mi26692+26411167+15211167+15226249(Top 92%)10917(Top 89%)10917(Top 200%)
20K12.43 mi3.11 mi26419+27311022+14511022+14525716(Top 91%)10650(Top 87%)10650(Top 195%)
Half13.11 mi0.68 mi26394+2511002+2011002+2025892(Top 91%)10763(Top 88%)10763(Top 197%)
25K15.53 mi2.42 mi26069+32510832+17010832+17024529(Top 86%)10035(Top 82%)10035(Top 183%)
30K18.64 mi3.11 mi25643+42610640+19210640+19223564(Top 83%)9637(Top 79%)9637(Top 176%)
20M20.00 mi1.36 mi25422+22110528+11210528+11221669(Top 76%)8724(Top 71%)8724(Top 160%)
21M21.00 mi1.00 mi25181+24110411+11710411+11719169(Top 67%)7425(Top 61%)7425(Top 136%)
35K21.75 mi0.75 mi25067+11410354+5710354+5720093(Top 71%)8043(Top 66%)8043(Top 147%)
23M23.00 mi1.25 mi24849+21810244+11010244+11019531(Top 69%)7809(Top 64%)7809(Top 143%)
24M24.00 mi1.00 mi24701+14810187+5710187+5720026(Top 71%)8108(Top 66%)8108(Top 148%)
40K24.85 mi0.85 mi24532+16910101+8610101+8617805(Top 63%)7047(Top 58%)7047(Top 129%)
25.2M25.20 mi0.35 mi24448+8410053+4810053+4814305(Top 50%)5225(Top 43%)5225(Top 96%)
Finish26.22 mi1.02 mi24297+1519993+609993+6018558(Top 65%)7372(Top 60%)7372(Top 135%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

26249

Females

10917

F18-39

10917

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

26531

Females

11085

F18-39

11085

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

26249

Females

10917

F18-39

10917

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

25716

Females

10650

F18-39

10650

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

25892

Females

10763

F18-39

10763

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24529

Females

10035

F18-39

10035

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23564

Females

9637

F18-39

9637

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21669

Females

8724

F18-39

8724

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

19169

Females

7425

F18-39

7425

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20093

Females

8043

F18-39

8043

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19531

Females

7809

F18-39

7809

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20026

Females

8108

F18-39

8108

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17805

Females

7047

F18-39

7047

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14305

Females

5225

F18-39

5225

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18558

Females

7372

F18-39

7372

Passing Analysis

Category:
Athletes Passed
3167
Passed By
61
Net Change
+3106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27403
5K → 10K46518+447#27403#26956
10K → 15K27814+264#26956#26692
15K → 20K28512+273#26692#26419
20K → Half3813+25#26419#26394
Half → 25K3250+325#26394#26069
25K → 30K4304+426#26069#25643
30K → 20M2210+221#25643#25422
20M → 21M2410+241#25422#25181
21M → 35K1140+114#25181#25067
35K → 23M2180+218#25067#24849
23M → 24M1480+148#24849#24701
24M → 40K1690+169#24701#24532
40K → 25.2M840+84#24532#24448
25.2M → Finish1510+151#24448#24297
TOTALS316761+3106
📊

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