Boston Marathon logo
BOSTON MARATHON 2025

Fiona Day

Bib: 24235•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 48%
Division (F60-64)
#0 / 624
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
8:25/mi
26:10
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
52:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:30/mi
1:18:30
↑ 67↓ 78
20K· 12.43 mi
8:41/mi
1:45:29
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:51:14
↑ 19↓ 370.5%
25K· 15.53 mi
9:01/mi
2:13:05
↑ 66↓ 880.2%
30K· 18.64 mi
9:24/mi
2:42:17
↑ 181↓ 1480.2%
20M
9:19/mi
2:54:56
↑ 64↓ 500.2%
21M
9:55/mi
3:04:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
3:11:26
↑ 17↓ 861.7%
23M
8:59/mi
3:22:41
↑ 23↓ 630.6%
24M
8:47/mi
3:31:28
↓ 821.3%
40K· 24.85 mi
9:00/mi
3:39:10
↓ 200.3%
25.2M
9:46/mi
3:42:32
↑ 13↓ 160.2%
Finish· 26.22 mi
8:32/mi
3:51:14
↑ 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
Time1:51:14
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:00:00
Pace9:09 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:2626:108:2526:10
8:25
-
10K
6.21 mi11:50:2352:078:2325:57
8:21
-0:04
15K
9.32 mi12:16:461:18:308:2526:23
8:30
+0:09
20K
12.43 mi12:43:451:45:298:2926:59
8:41
+0:11
Half
13.11 mi12:49:301:51:148:295:45
8:26
-0:15
25K
15.53 mi13:11:212:13:058:3421:51
9:01
+0:35
30K
18.64 mi13:40:332:42:178:4229:12
9:24
+0:23
20M
20.00 mi13:53:122:54:568:4512:39
9:19
-0:05
21M
21.00 mi14:03:073:04:518:489:55
9:55
+0:36
35K
21.75 mi14:09:423:11:268:486:35
8:48
-1:07
23M
23.00 mi14:20:573:22:418:4911:15
8:59
+0:11
24M
24.00 mi14:29:443:31:288:498:47
8:47
-0:12
40K
24.85 mi14:37:263:39:108:497:42
9:00
+0:13
25.2M
25.20 mi14:40:483:42:328:503:22
9:46
+0:46
Finish
26.22 mi14:49:303:51:148:508:42
8:32
-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

8:21 /mi

Average Pace

8:50 /mi

Slowest Pace

9:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:06

76% of race

Time at Steady Pace

45:13

20% of race

Time at Slower Pace

9:55

4% of race

Average Pace: 8:49 /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 mi11:24:2626:108:2526:10
8:25
#19441
10K
6.21 mi11:50:2352:078:2325:57
8:21
#19168
15K
9.32 mi12:16:461:18:308:2526:23
8:30
#19168
20K
12.43 mi12:43:451:45:298:2926:59
8:41
#19192
Half
13.11 mi12:49:301:51:148:295:45
8:26
#19164
25K
15.53 mi13:11:212:13:058:3421:51
9:01
#19308
30K
18.64 mi13:40:332:42:178:4229:12
9:24
#19351
20M
20.00 mi13:53:122:54:568:4512:39
9:19
#19267
21M
21.00 mi14:03:073:04:518:489:55
9:55
#19193
35K
21.75 mi14:09:423:11:268:486:35
8:48
#19128
23M
23.00 mi14:20:573:22:418:4911:15
8:59
#18942
24M
24.00 mi14:29:443:31:288:498:47
8:47
#18827
40K
24.85 mi14:37:263:39:108:497:42
9:00
#18728
25.2M
25.20 mi14:40:483:42:328:503:22
9:46
#18673
Finish
26.22 mi14:49:303:51:148:508:42
8:32
#18592
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi194417160716019284(Top 68%)7055(Top 58%)7055(Top 1131%)
10K6.21 mi3.10 mi19168+2736996+1646996+16418898(Top 67%)6823(Top 56%)6823(Top 1093%)
15K9.32 mi3.11 mi191686997-16997-119284(Top 68%)7055(Top 58%)7055(Top 1131%)
20K12.43 mi3.11 mi19192-247013-167013-1619349(Top 68%)7107(Top 58%)7107(Top 1139%)
Half13.11 mi0.68 mi19164+287001+127001+1218794(Top 66%)6788(Top 56%)6788(Top 1088%)
25K15.53 mi2.42 mi19308-1447093-927093-9219957(Top 70%)7505(Top 61%)7505(Top 1203%)
30K18.64 mi3.11 mi19351-437160-677160-6719534(Top 69%)7412(Top 61%)7412(Top 1188%)
20M20.00 mi1.36 mi19267+847136+247136+2418343(Top 65%)6916(Top 57%)6916(Top 1108%)
21M21.00 mi1.00 mi19193+747108+287108+2817997(Top 63%)6791(Top 56%)6791(Top 1088%)
35K21.75 mi0.75 mi19128+657086+227086+2217285(Top 61%)6520(Top 53%)6520(Top 1045%)
23M23.00 mi1.25 mi18942+1867017+697017+6916198(Top 57%)6000(Top 49%)6000(Top 962%)
24M24.00 mi1.00 mi18827+1156974+436974+4316264(Top 57%)6090(Top 50%)6090(Top 976%)
40K24.85 mi0.85 mi18728+996950+246950+2416379(Top 58%)6256(Top 51%)6256(Top 1003%)
25.2M25.20 mi0.35 mi18673+556934+166934+1615987(Top 56%)6092(Top 50%)6092(Top 976%)
Finish26.22 mi1.02 mi18592+816898+366898+3616500(Top 58%)6310(Top 52%)6310(Top 1011%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19284

Females

7055

F60-64

7055

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

18898

Females

6823

F60-64

6823

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19284

Females

7055

F60-64

7055

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19349

Females

7107

F60-64

7107

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18794

Females

6788

F60-64

6788

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19957

Females

7505

F60-64

7505

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

19534

Females

7412

F60-64

7412

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18343

Females

6916

F60-64

6916

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

17997

Females

6791

F60-64

6791

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17285

Females

6520

F60-64

6520

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16198

Females

6000

F60-64

6000

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

16264

Females

6090

F60-64

6090

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16379

Females

6256

F60-64

6256

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15987

Females

6092

F60-64

6092

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16500

Females

6310

F60-64

6310

Passing Analysis

Category:
Athletes Passed
2186
Passed By
1337
Net Change
+849
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19441
5K → 10K425152+273#19441#19168
10K → 15K2042040#19168#19168
15K → 20K187211-24#19168#19192
20K → Half5123+28#19192#19164
Half → 25K125269-144#19164#19308
25K → 30K204247-43#19308#19351
30K → 20M14460+84#19351#19267
20M → 21M13561+74#19267#19193
21M → 35K8823+65#19193#19128
35K → 23M19610+186#19128#18942
23M → 24M13520+115#18942#18827
24M → 40K12021+99#18827#18728
40K → 25.2M638+55#18728#18673
25.2M → Finish10928+81#18673#18592
TOTALS21861337+849
📊

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