Boston Marathon logo
BOSTON MARATHON 2025

Cait Donovan

Bib: 17400•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
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
23:18
Rank: #12274
Start → 5K
7:30/mi
23:18 split
10K· 6.21 mi
46:34
Rank: #12079 (+195)
5K → 10K
7:29/mi
23:16 split
15K· 9.32 mi
1:09:59
Rank: #12065 (+14)
10K → 15K
7:32/mi
23:25 split
20K· 12.43 mi
1:33:18
Rank: #11701 (+364)
15K → 20K
7:30/mi
23:19 split
Half· 13.11 mi
1:38:30
Rank: #11755 (-54)
20K → Half
7:37/mi
5:12 split
25K· 15.53 mi
1:57:09
Rank: #11687 (+68)
Half → 25K
7:42/mi
18:39 split
30K· 18.64 mi
2:22:39
Rank: #11836 (-149)
25K → 30K
8:12/mi
25:30 split
20M
2:34:14
Rank: #12018 (-182)
30K → 20M
8:31/mi
11:35 split
21M
2:43:20
Rank: #12118 (-100)
20M → 21M
9:06/mi
9:06 split
35K· 21.75 mi
2:49:54
Rank: #12326 (-208)
21M → 35K
8:47/mi
6:34 split
23M
3:02:09
Rank: #12917 (-591)
35K → 23M
9:47/mi
12:15 split
24M
3:12:24
Rank: #13527 (-610)
23M → 24M
10:15/mi
10:15 split
40K· 24.85 mi
3:21:09
Rank: #13986 (-459)
24M → 40K
10:14/mi
8:45 split
25.2M
3:24:20
Rank: #13959 (+27)
40K → 25.2M
9:14/mi
3:11 split
Finish· 26.22 mi
3:32:31
Rank: #13899 (+60)
25.2M → Finish
8:02/mi
8:11 split

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
Time1:38:30
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:54:01
Pace8:42 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2523:187:3023:18
7:30
-
10K
6.21 mi11:36:4146:347:3023:16
7:29
-0:01
15K
9.32 mi12:00:061:09:597:3123:25
7:32
+0:03
20K
12.43 mi12:23:251:33:187:3023:19
7:30
-0:02
Half
13.11 mi12:28:371:38:307:315:12
7:37
+0:07
25K
15.53 mi12:47:161:57:097:3218:39
7:42
+0:05
30K
18.64 mi13:12:462:22:397:3925:30
8:12
+0:30
20M
20.00 mi13:24:212:34:147:4311:35
8:31
+0:19
21M
21.00 mi13:33:272:43:207:479:06
9:06
+0:35
35K
21.75 mi13:40:012:49:547:496:34
8:47
-0:19
23M
23.00 mi13:52:163:02:097:5512:15
9:47
+1:00
24M
24.00 mi14:02:313:12:248:0110:15
10:15
+0:28
40K
24.85 mi14:11:163:21:098:068:45
10:14
-0:01
25.2M
25.20 mi14:14:273:24:208:073:11
9:14
-1:00
Finish
26.22 mi14:22:383:32:318:078:11
8:02
-1:12

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

7:29 /mi

Average Pace

8:07 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:09

55% of race

Time at Steady Pace

45:16

21% of race

Time at Slower Pace

50:06

24% of race

Average Pace: 8:06 /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 mi11:13:2523:187:3023:18
7:30
#12274
10K
6.21 mi11:36:4146:347:3023:16
7:29
#12079
15K
9.32 mi12:00:061:09:597:3123:25
7:32
#12065
20K
12.43 mi12:23:251:33:187:3023:19
7:30
#11701
Half
13.11 mi12:28:371:38:307:315:12
7:37
#11755
25K
15.53 mi12:47:161:57:097:3218:39
7:42
#11687
30K
18.64 mi13:12:462:22:397:3925:30
8:12
#11836
20M
20.00 mi13:24:212:34:147:4311:35
8:31
#12018
21M
21.00 mi13:33:272:43:207:479:06
9:06
#12118
35K
21.75 mi13:40:012:49:547:496:34
8:47
#12326
23M
23.00 mi13:52:163:02:097:5512:15
9:47
#12917
24M
24.00 mi14:02:313:12:248:0110:15
10:15
#13527
40K
24.85 mi14:11:163:21:098:068:45
10:14
#13986
25.2M
25.20 mi14:14:273:24:208:073:11
9:14
#13959
Finish
26.22 mi14:22:383:32:318:078:11
8:02
#13899
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi122742950295012108(Top 43%)2966(Top 24%)2966(Top 54%)
10K6.21 mi3.10 mi12079+1952855+952855+9512020(Top 42%)2831(Top 23%)2831(Top 52%)
15K9.32 mi3.11 mi12065+142877-222877-2212108(Top 43%)2966(Top 24%)2966(Top 54%)
20K12.43 mi3.11 mi11701+3642716+1612716+16110830(Top 38%)2387(Top 20%)2387(Top 44%)
Half13.11 mi0.68 mi11755-542744-282744-2812860(Top 45%)3439(Top 28%)3439(Top 63%)
25K15.53 mi2.42 mi11687+682753-92753-911508(Top 41%)2857(Top 23%)2857(Top 52%)
30K18.64 mi3.11 mi11836-1492918-1652918-16512903(Top 45%)3781(Top 31%)3781(Top 69%)
20M20.00 mi1.36 mi12018-1823047-1293047-12913952(Top 49%)4487(Top 37%)4487(Top 82%)
21M21.00 mi1.00 mi12118-1003136-893136-8914122(Top 50%)4695(Top 38%)4695(Top 86%)
35K21.75 mi0.75 mi12326-2083277-1413277-14117133(Top 60%)6412(Top 52%)6412(Top 117%)
23M23.00 mi1.25 mi12917-5913617-3403617-34019747(Top 70%)7912(Top 65%)7912(Top 145%)
24M24.00 mi1.00 mi13527-6103988-3713988-37122089(Top 78%)9177(Top 75%)9177(Top 168%)
40K24.85 mi0.85 mi13986-4594277-2894277-28921181(Top 75%)8751(Top 72%)8751(Top 160%)
25.2M25.20 mi0.35 mi13959+274268+94268+913147(Top 46%)4566(Top 37%)4566(Top 83%)
Finish26.22 mi1.02 mi13899+604268426813108(Top 46%)4496(Top 37%)4496(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12108

Females

2966

F18-39

2966

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

12020

Females

2831

F18-39

2831

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12108

Females

2966

F18-39

2966

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10830

Females

2387

F18-39

2387

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12860

Females

3439

F18-39

3439

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11508

Females

2857

F18-39

2857

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12903

Females

3781

F18-39

3781

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13952

Females

4487

F18-39

4487

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

14122

Females

4695

F18-39

4695

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17133

Females

6412

F18-39

6412

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

19747

Females

7912

F18-39

7912

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22089

Females

9177

F18-39

9177

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21181

Females

8751

F18-39

8751

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13147

Females

4566

F18-39

4566

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

13108

Females

4496

F18-39

4496

Passing Analysis

Category:
Athletes Passed
1727
Passed By
3352
Net Change
-1625
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12274
5K → 10K361166+195#12274#12079
10K → 15K197183+14#12079#12065
15K → 20K40036+364#12065#11701
20K → Half1367-54#11701#11755
Half → 25K191123+68#11755#11687
25K → 30K191340-149#11687#11836
30K → 20M68250-182#11836#12018
20M → 21M71171-100#12018#12118
21M → 35K24232-208#12118#12326
35K → 23M24615-591#12326#12917
23M → 24M8618-610#12917#13527
24M → 40K19478-459#13527#13986
40K → 25.2M5427+27#13986#13959
25.2M → Finish10646+60#13959#13899
TOTALS17273352-1625
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing