Boston Marathon logo
BOSTON MARATHON 2025

Claudia Rossi

Bib: 19009•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Division (F18-39)
#0 / 5469
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:17
Rank: #12196
Start → 5K
23:17 | 7:30/mi
10K· 6.21 mi
46:52
Rank: #12505 (-309)
5K → 10K
23:35 | 7:35/mi
15K· 9.32 mi
1:10:20
Rank: #12394 (+111)
10K → 15K
23:28 | 7:33/mi
20K· 12.43 mi
1:33:50
Rank: #12091 (+303)
15K → 20K
23:30 | 7:34/mi
Half· 13.11 mi
1:38:55
Rank: #12042 (+49)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:56:46
Rank: #11476 (+566)
Half → 25K
17:51 | 7:22/mi
30K· 18.64 mi
2:20:14
Rank: #10788 (+688)
25K → 30K
23:28 | 7:33/mi
20M
2:30:32
Rank: #10480 (+308)
30K → 20M
10:18 | 7:35/mi
21M
2:38:24
Rank: #10186 (+294)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:43:56
Rank: #10067 (+119)
21M → 35K
5:32 | 7:24/mi
23M
2:53:10
Rank: #9748 (+319)
35K → 23M
9:14 | 7:22/mi
24M
3:00:21
Rank: #9496 (+252)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
3:06:39
Rank: #9324 (+172)
24M → 40K
6:18 | 7:22/mi
25.2M
3:09:25
Rank: #9237 (+87)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:16:32
Rank: #9037 (+200)
25.2M → Finish
7:07 | 6:59/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
Time1:38:55
Pace7:33 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:37:37
Pace7:27 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4923:177:3023:17
7:30
-
10K
6.21 mi11:37:2446:527:3323:35
7:35
+0:05
15K
9.32 mi12:00:521:10:207:3323:28
7:33
-0:02
20K
12.43 mi12:24:221:33:507:3323:30
7:34
+0:01
Half
13.11 mi12:29:271:38:557:335:05
7:27
-0:07
25K
15.53 mi12:47:181:56:467:3117:51
7:22
-0:05
30K
18.64 mi13:10:462:20:147:3123:28
7:33
+0:11
20M
20.00 mi13:21:042:30:327:3210:18
7:35
+0:02
21M
21.00 mi13:28:562:38:247:337:52
7:52
+0:17
35K
21.75 mi13:34:282:43:567:325:32
7:24
-0:28
23M
23.00 mi13:43:422:53:107:329:14
7:22
-0:02
24M
24.00 mi13:50:533:00:217:317:11
7:11
-0:11
40K
24.85 mi13:57:113:06:397:316:18
7:22
+0:11
25.2M
25.20 mi13:59:573:09:257:312:46
8:01
+0:39
Finish
26.22 mi14:07:043:16:327:307:07
6:59
-1:02

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

6:59 /mi

Average Pace

7:30 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:54

95% of race

Time at Steady Pace

10:38

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi11:13:4923:177:3023:17
7:30
#12196
10K
6.21 mi11:37:2446:527:3323:35
7:35
#12505
15K
9.32 mi12:00:521:10:207:3323:28
7:33
#12394
20K
12.43 mi12:24:221:33:507:3323:30
7:34
#12091
Half
13.11 mi12:29:271:38:557:335:05
7:27
#12042
25K
15.53 mi12:47:181:56:467:3117:51
7:22
#11476
30K
18.64 mi13:10:462:20:147:3123:28
7:33
#10788
20M
20.00 mi13:21:042:30:327:3210:18
7:35
#10480
21M
21.00 mi13:28:562:38:247:337:52
7:52
#10186
35K
21.75 mi13:34:282:43:567:325:32
7:24
#10067
23M
23.00 mi13:43:422:53:107:329:14
7:22
#9748
24M
24.00 mi13:50:533:00:217:317:11
7:11
#9496
40K
24.85 mi13:57:113:06:397:316:18
7:22
#9324
25.2M
25.20 mi13:59:573:09:257:312:46
8:01
#9237
Finish
26.22 mi14:07:043:16:327:307:07
6:59
#9037
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi121962897289712211(Top 43%)3022(Top 25%)3022(Top 55%)
10K6.21 mi3.10 mi12505-3093071-1743071-17412936(Top 46%)3328(Top 27%)3328(Top 61%)
15K9.32 mi3.11 mi12394+1113044+273044+2712211(Top 43%)3022(Top 25%)3022(Top 55%)
20K12.43 mi3.11 mi12091+3032919+1252919+12511281(Top 40%)2612(Top 21%)2612(Top 48%)
Half13.11 mi0.68 mi12042+492897+222897+2211322(Top 40%)2567(Top 21%)2567(Top 47%)
25K15.53 mi2.42 mi11476+5662635+2622635+2628856(Top 31%)1579(Top 13%)1579(Top 29%)
30K18.64 mi3.11 mi10788+6882357+2782357+2788125(Top 29%)1447(Top 12%)1447(Top 26%)
20M20.00 mi1.36 mi10480+3082239+1182239+1187568(Top 27%)1369(Top 11%)1369(Top 25%)
21M21.00 mi1.00 mi10186+2942134+1052134+1056615(Top 23%)1159(Top 9%)1159(Top 21%)
35K21.75 mi0.75 mi10067+1192099+352099+357943(Top 28%)1660(Top 14%)1660(Top 30%)
23M23.00 mi1.25 mi9748+3191980+1191980+1195933(Top 21%)1005(Top 8%)1005(Top 18%)
24M24.00 mi1.00 mi9496+2521895+851895+855768(Top 20%)989(Top 8%)989(Top 18%)
40K24.85 mi0.85 mi9324+1721856+391856+396063(Top 21%)1171(Top 10%)1171(Top 21%)
25.2M25.20 mi0.35 mi9237+871833+231833+236164(Top 22%)1322(Top 11%)1322(Top 24%)
Finish26.22 mi1.02 mi9037+2001787+461787+465663(Top 20%)1129(Top 9%)1129(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

12211

Females

3022

F18-39

3022

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

12936

Females

3328

F18-39

3328

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

12211

Females

3022

F18-39

3022

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11281

Females

2612

F18-39

2612

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

11322

Females

2567

F18-39

2567

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8856

Females

1579

F18-39

1579

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8125

Females

1447

F18-39

1447

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7568

Females

1369

F18-39

1369

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6615

Females

1159

F18-39

1159

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7943

Females

1660

F18-39

1660

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5933

Females

1005

F18-39

1005

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5768

Females

989

F18-39

989

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6063

Females

1171

F18-39

1171

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6164

Females

1322

F18-39

1322

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5663

Females

1129

F18-39

1129

Passing Analysis

Category:
Athletes Passed
3874*
Passed By
715
Net Change
+3159
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12196
5K → 10K147456-309#12196#12505
10K → 15K246135+111#12505#12394
15K → 20K35451+303#12394#12091
20K → Half5910+49#12091#12042
Half → 25K5693+566#12042#11476
25K → 30K70012+688#11476#10788
30K → 20M3113+308#10788#10480
20M → 21M3017+294#10480#10186
21M → 35K13011+119#10186#10067
35K → 23M322*3+319#10067#9748
23M → 24M2586+252#9748#9496
24M → 40K1797+172#9496#9324
40K → 25.2M892+87#9324#9237
25.2M → Finish2099+200#9237#9037
TOTALS3874*715+3159

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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