Boston Marathon logo
BOSTON MARATHON 2025

Florence Clarke

Bib: 16890•F

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 43%
Division (F60-64)
#0 / 624
Top 10%
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
7:42/mi
23:54
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
50:20
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:15:52
↑ 67↓ 78
20K· 12.43 mi
9:19/mi
1:44:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:50:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:21/mi
2:10:24
↑ 66↓ 880.2%
30K· 18.64 mi
8:53/mi
2:37:59
↑ 181↓ 1480.2%
20M
9:00/mi
2:50:13
↑ 64↓ 500.2%
21M
9:38/mi
2:59:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:47/mi
3:06:25
↑ 17↓ 861.7%
23M
9:15/mi
3:18:00
↑ 23↓ 630.6%
24M
9:01/mi
3:27:01
↓ 821.3%
40K· 24.85 mi
9:35/mi
3:35:13
↓ 200.3%
25.2M
10:03/mi
3:38:41
↑ 13↓ 160.2%
Finish· 26.22 mi
8:48/mi
3:47:39
↑ 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
Time1:50:09
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:57:30
Pace8:58 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:5323:547:4223:54
7:42
-
10K
6.21 mi11:24:1950:208:0626:26
8:30
+0:48
15K
9.32 mi11:49:511:15:528:0825:32
8:13
-0:17
20K
12.43 mi12:18:481:44:498:2628:57
9:19
+1:06
Half
13.11 mi12:24:081:50:098:245:20
7:49
-1:30
25K
15.53 mi12:44:232:10:248:2420:15
8:21
+0:32
30K
18.64 mi13:11:582:37:598:2827:35
8:53
+0:32
20M
20.00 mi13:24:122:50:138:3112:14
9:00
+0:07
21M
21.00 mi13:33:502:59:518:349:38
9:38
+0:38
35K
21.75 mi13:40:243:06:258:346:34
8:47
-0:51
23M
23.00 mi13:51:593:18:008:3711:35
9:15
+0:28
24M
24.00 mi14:01:003:27:018:389:01
9:01
-0:14
40K
24.85 mi14:09:123:35:138:408:12
9:35
+0:34
25.2M
25.20 mi14:12:403:38:418:413:28
10:03
+0:28
Finish
26.22 mi14:21:383:47:398:418:58
8:48
-1:15

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

7:42 /mi

Average Pace

8:41 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:27

45% of race

Time at Steady Pace

1:04:22

28% of race

Time at Slower Pace

1:01:50

27% of race

Average Pace: 8:41 /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 mi10:57:5323:547:4223:54
7:42
#13940
10K
6.21 mi11:24:1950:208:0626:26
8:30
#17264
15K
9.32 mi11:49:511:15:528:0825:32
8:13
#17359
20K
12.43 mi12:18:481:44:498:2628:57
9:19
#18865
Half
13.11 mi12:24:081:50:098:245:20
7:49
#18658
25K
15.53 mi12:44:232:10:248:2420:15
8:21
#18228
30K
18.64 mi13:11:582:37:598:2827:35
8:53
#17937
20M
20.00 mi13:24:122:50:138:3112:14
9:00
#17850
21M
21.00 mi13:33:502:59:518:349:38
9:38
#17783
35K
21.75 mi13:40:243:06:258:346:34
8:47
#17745
23M
23.00 mi13:51:593:18:008:3711:35
9:15
#17725
24M
24.00 mi14:01:003:27:018:389:01
9:01
#17689
40K
24.85 mi14:09:123:35:138:408:12
9:35
#17751
25.2M
25.20 mi14:12:403:38:418:413:28
10:03
#17742
Finish
26.22 mi14:21:383:47:398:418:58
8:48
#17753
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi139403872387217521(Top 62%)6029(Top 49%)6029(Top 966%)
10K6.21 mi3.10 mi17264-33245885-20135885-201319854(Top 70%)7387(Top 60%)7387(Top 1184%)
15K9.32 mi3.11 mi17359-955928-435928-4317521(Top 62%)6029(Top 49%)6029(Top 966%)
20K12.43 mi3.11 mi18865-15066828-9006828-90022321(Top 79%)8761(Top 72%)8761(Top 1404%)
Half13.11 mi0.68 mi18658+2076713+1156713+11514506(Top 51%)4371(Top 36%)4371(Top 700%)
25K15.53 mi2.42 mi18228+4306487+2266487+22616270(Top 57%)5469(Top 45%)5469(Top 876%)
30K18.64 mi3.11 mi17937+2916365+1226365+12217042(Top 60%)6053(Top 50%)6053(Top 970%)
20M20.00 mi1.36 mi17850+876343+226343+2216820(Top 59%)6045(Top 49%)6045(Top 969%)
21M21.00 mi1.00 mi17783+676315+286315+2816726(Top 59%)6108(Top 50%)6108(Top 979%)
35K21.75 mi0.75 mi17745+386305+106305+1017164(Top 60%)6443(Top 53%)6443(Top 1033%)
23M23.00 mi1.25 mi17725+206344-396344-3917572(Top 62%)6769(Top 55%)6769(Top 1085%)
24M24.00 mi1.00 mi17689+366355-116355-1117474(Top 62%)6751(Top 55%)6751(Top 1082%)
40K24.85 mi0.85 mi17751-626416-616416-6119069(Top 67%)7662(Top 63%)7662(Top 1228%)
25.2M25.20 mi0.35 mi17742+96419-36419-317298(Top 61%)6748(Top 55%)6748(Top 1081%)
Finish26.22 mi1.02 mi17753-116440-216440-2118049(Top 64%)7106(Top 58%)7106(Top 1139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17521

Females

6029

F60-64

6029

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19854

Females

7387

F60-64

7387

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17521

Females

6029

F60-64

6029

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22321

Females

8761

F60-64

8761

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

14506

Females

4371

F60-64

4371

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16270

Females

5469

F60-64

5469

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

17042

Females

6053

F60-64

6053

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16820

Females

6045

F60-64

6045

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16726

Females

6108

F60-64

6108

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17164

Females

6443

F60-64

6443

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

17572

Females

6769

F60-64

6769

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

17474

Females

6751

F60-64

6751

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19069

Females

7662

F60-64

7662

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17298

Females

6748

F60-64

6748

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18049

Females

7106

F60-64

7106

Passing Analysis

Category:
Athletes Passed
1959
Passed By
5772
Net Change
-3813
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13940
5K → 10K83332-3324#13940#17264
10K → 15K172267-95#17264#17359
15K → 20K161522-1506#17359#18865
20K → Half2081+207#18865#18658
Half → 25K44111+430#18658#18228
25K → 30K38493+291#18228#17937
30K → 20M15770+87#17937#17850
20M → 21M13265+67#17850#17783
21M → 35K8345+38#17783#17745
35K → 23M121101+20#17745#17725
23M → 24M9256+36#17725#17689
24M → 40K41103-62#17689#17751
40K → 25.2M4132+9#17751#17742
25.2M → Finish6374-11#17742#17753
TOTALS19595772-3813
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing