Boston Marathon logo
BOSTON MARATHON 2025

Monina Tosi

Bib: 28396•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
31:47
Rank: #26128
Start → 5K
31:47 | 10:14/mi
10K· 6.21 mi
1:02:56
Rank: #25715 (+413)
5K → 10K
31:09 | 10:02/mi
15K· 9.32 mi
1:36:13
Rank: #25947 (-232)
10K → 15K
33:17 | 10:43/mi
20K· 12.43 mi
2:13:16
Rank: #26360 (-413)
15K → 20K
37:03 | 11:56/mi
Half· 13.11 mi
2:20:35
Rank: #26354 (+6)
20K → Half
7:19 | 10:43/mi
25K· 15.53 mi
2:48:46
Rank: #26289 (+65)
Half → 25K
28:11 | 11:37/mi
30K· 18.64 mi
3:26:58
Rank: #26233 (+56)
25K → 30K
38:12 | 12:18/mi
20M
3:43:31
Rank: #26180 (+53)
30K → 20M
16:33 | 12:11/mi
21M
3:56:50
Rank: #26156 (+24)
20M → 21M
13:19 | 13:19/mi
35K· 21.75 mi
4:04:40
Rank: #26071 (+85)
21M → 35K
7:50 | 10:28/mi
23M
4:19:35
Rank: #26033 (+38)
35K → 23M
14:55 | 11:55/mi
24M
4:30:51
Rank: #25985 (+48)
23M → 24M
11:16 | 11:16/mi
40K· 24.85 mi
4:40:48
Rank: #25946 (+39)
24M → 40K
9:57 | 11:38/mi
25.2M
4:45:01
Rank: #25921 (+25)
40K → 25.2M
4:13 | 12:14/mi
Finish· 26.22 mi
4:55:18
Rank: #25866 (+55)
25.2M → Finish
10:17 | 10:05/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 HalfFaster
Distance13.11 mi
Time2:20:35
Pace10:43 /mi
2nd Half
Distance13.11 mi
Time2:34:43
Pace11:48 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0131:4710:1431:47
10:14
-
10K
6.21 mi12:21:101:02:5610:0831:09
10:02
-0:12
15K
9.32 mi12:54:271:36:1310:1933:17
10:43
+0:41
20K
12.43 mi13:31:302:13:1610:4337:03
11:56
+1:13
Half
13.11 mi13:38:492:20:3510:437:19
10:43
-1:13
25K
15.53 mi14:07:002:48:4610:5228:11
11:37
+0:54
30K
18.64 mi14:45:123:26:5811:0638:12
12:18
+0:41
20M
20.00 mi15:01:453:43:3111:1116:33
12:11
-0:07
21M
21.00 mi15:15:043:56:5011:1713:19
13:19
+1:08
35K
21.75 mi15:22:544:04:4011:157:50
10:28
-2:51
23M
23.00 mi15:37:494:19:3511:1714:55
11:55
+1:27
24M
24.00 mi15:49:054:30:5111:1711:16
11:16
-0:39
40K
24.85 mi15:59:024:40:4811:189:57
11:38
+0:22
25.2M
25.20 mi16:03:154:45:0111:194:13
12:14
+0:36
Finish
26.22 mi16:13:324:55:1811:1610:17
10:05
-2:09

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

10:02 /mi

Average Pace

11:16 /mi

Slowest Pace

13:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:39

41% of race

Time at Steady Pace

1:41:22

34% of race

Time at Slower Pace

1:12:17

24% of race

Average Pace: 11:16 /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 mi11:50:0131:4710:1431:47
10:14
#26128
10K
6.21 mi12:21:101:02:5610:0831:09
10:02
#25715
15K
9.32 mi12:54:271:36:1310:1933:17
10:43
#25947
20K
12.43 mi13:31:302:13:1610:4337:03
11:56
#26360
Half
13.11 mi13:38:492:20:3510:437:19
10:43
#26354
25K
15.53 mi14:07:002:48:4610:5228:11
11:37
#26289
30K
18.64 mi14:45:123:26:5811:0638:12
12:18
#26233
20M
20.00 mi15:01:453:43:3111:1116:33
12:11
#26180
21M
21.00 mi15:15:043:56:5011:1713:19
13:19
#26156
35K
21.75 mi15:22:544:04:4011:157:50
10:28
#26071
23M
23.00 mi15:37:494:19:3511:1714:55
11:55
#26033
24M
24.00 mi15:49:054:30:5111:1711:16
11:16
#25985
40K
24.85 mi15:59:024:40:4811:189:57
11:38
#25946
25.2M
25.20 mi16:03:154:45:0111:194:13
12:14
#25921
Finish
26.22 mi16:13:324:55:1811:1610:17
10:05
#25866
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26128108291082926270(Top 92%)10929(Top 89%)10929(Top 200%)
10K6.21 mi3.10 mi25715+41310609+22010609+22025377(Top 89%)10447(Top 85%)10447(Top 191%)
15K9.32 mi3.11 mi25947-23210745-13610745-13626270(Top 92%)10929(Top 89%)10929(Top 200%)
20K12.43 mi3.11 mi26360-41310983-23810983-23827052(Top 95%)11422(Top 93%)11422(Top 209%)
Half13.11 mi0.68 mi26354+610980+310980+326110(Top 92%)10892(Top 89%)10892(Top 199%)
25K15.53 mi2.42 mi26289+6510949+3110949+3126001(Top 92%)10864(Top 89%)10864(Top 199%)
30K18.64 mi3.11 mi26233+5610952-310952-325930(Top 91%)10905(Top 89%)10905(Top 199%)
20M20.00 mi1.36 mi26180+5310934+1810934+1825503(Top 90%)10757(Top 88%)10757(Top 197%)
21M21.00 mi1.00 mi26156+2410939-510939-525449(Top 90%)10783(Top 88%)10783(Top 197%)
35K21.75 mi0.75 mi26071+8510898+4110898+4123075(Top 81%)9597(Top 78%)9597(Top 175%)
23M23.00 mi1.25 mi26033+3810878+2010878+2024983(Top 88%)10593(Top 87%)10593(Top 194%)
24M24.00 mi1.00 mi25985+4810861+1710861+1724490(Top 86%)10377(Top 85%)10377(Top 190%)
40K24.85 mi0.85 mi25946+3910844+1710844+1724350(Top 86%)10356(Top 85%)10356(Top 189%)
25.2M25.20 mi0.35 mi25921+2510843+110843+123615(Top 83%)9992(Top 82%)9992(Top 183%)
Finish26.22 mi1.02 mi25866+5510828+1510828+1523174(Top 82%)9761(Top 80%)9761(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

26270

Females

10929

F18-39

10929

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

25377

Females

10447

F18-39

10447

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

26270

Females

10929

F18-39

10929

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

27052

Females

11422

F18-39

11422

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

26110

Females

10892

F18-39

10892

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

26001

Females

10864

F18-39

10864

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

25930

Females

10905

F18-39

10905

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

25503

Females

10757

F18-39

10757

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

25449

Females

10783

F18-39

10783

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

23075

Females

9597

F18-39

9597

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

24983

Females

10593

F18-39

10593

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24490

Females

10377

F18-39

10377

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24350

Females

10356

F18-39

10356

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23615

Females

9992

F18-39

9992

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23174

Females

9761

F18-39

9761

Passing Analysis

Category:
Athletes Passed
1280
Passed By
1018
Net Change
+262
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26128
5K → 10K45643+413#26128#25715
10K → 15K58290-232#25715#25947
15K → 20K30443-413#25947#26360
20K → Half2519+6#26360#26354
Half → 25K12358+65#26354#26289
25K → 30K12670+56#26289#26233
30K → 20M7320+53#26233#26180
20M → 21M5026+24#26180#26156
21M → 35K872+85#26156#26071
35K → 23M6325+38#26071#26033
23M → 24M557+48#26033#25985
24M → 40K456+39#25985#25946
40K → 25.2M283+25#25946#25921
25.2M → Finish616+55#25921#25866
TOTALS12801018+262
📊

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