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BOSTON MARATHON 2025

Claire Dermody

Bib: 10262•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 33%
Gender (Female)
#0 / 12228
Top 15%
Masters (Masters Women)
#0 / 6759
Top 6%
Division (F40-44)
#0 / 1718
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:37
Rank: #13140
Start → 5K
23:37 | 7:36/mi
10K· 6.21 mi
47:27
Rank: #13362 (-222)
5K → 10K
23:50 | 7:40/mi
15K· 9.32 mi
1:11:15
Rank: #13266 (+96)
10K → 15K
23:48 | 7:40/mi
20K· 12.43 mi
1:35:01
Rank: #12889 (+377)
15K → 20K
23:46 | 7:39/mi
Half· 13.11 mi
1:40:06
Rank: #12801 (+88)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:58:18
Rank: #12328 (+473)
Half → 25K
18:12 | 7:30/mi
30K· 18.64 mi
2:22:16
Rank: #11677 (+651)
25K → 30K
23:58 | 7:43/mi
20M
2:32:37
Rank: #11336 (+341)
30K → 20M
10:21 | 7:37/mi
21M
2:40:24
Rank: #10976 (+360)
20M → 21M
7:47 | 7:47/mi
35K· 21.75 mi
2:45:44
Rank: #10774 (+202)
21M → 35K
5:20 | 7:08/mi
23M
2:54:48
Rank: #10343 (+431)
35K → 23M
9:04 | 7:14/mi
24M
3:01:50
Rank: #10036 (+307)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
3:07:46
Rank: #9705 (+331)
24M → 40K
5:56 | 6:56/mi
25.2M
3:10:22
Rank: #9553 (+152)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:17:09
Rank: #9261 (+292)
25.2M → Finish
6:47 | 6:39/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:40:06
Pace7:38 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:37:03
Pace7:24 /mi
📊Negative Split: 3.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4923:377:3623:37
7:36
-
10K
6.21 mi11:16:3947:277:3823:50
7:40
+0:04
15K
9.32 mi11:40:271:11:157:3923:48
7:40
0:00
20K
12.43 mi12:04:131:35:017:3923:46
7:39
-0:01
Half
13.11 mi12:09:181:40:067:385:05
7:27
-0:12
25K
15.53 mi12:27:301:58:187:3718:12
7:30
+0:03
30K
18.64 mi12:51:282:22:167:3823:58
7:43
+0:13
20M
20.00 mi13:01:492:32:377:3810:21
7:37
-0:06
21M
21.00 mi13:09:362:40:247:387:47
7:47
+0:10
35K
21.75 mi13:14:562:45:447:375:20
7:08
-0:39
23M
23.00 mi13:24:002:54:487:369:04
7:14
+0:06
24M
24.00 mi13:31:023:01:507:357:02
7:02
-0:12
40K
24.85 mi13:36:583:07:467:335:56
6:56
-0:06
25.2M
25.20 mi13:39:343:10:227:332:36
7:32
+0:36
Finish
26.22 mi13:46:213:17:097:316:47
6:39
-0:53

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

6:39 /mi

Average Pace

7:31 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:09

17% of race

Time at Steady Pace

2:43:00

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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 mi10:52:4923:377:3623:37
7:36
#13140
10K
6.21 mi11:16:3947:277:3823:50
7:40
#13362
15K
9.32 mi11:40:271:11:157:3923:48
7:40
#13266
20K
12.43 mi12:04:131:35:017:3923:46
7:39
#12889
Half
13.11 mi12:09:181:40:067:385:05
7:27
#12801
25K
15.53 mi12:27:301:58:187:3718:12
7:30
#12328
30K
18.64 mi12:51:282:22:167:3823:58
7:43
#11677
20M
20.00 mi13:01:492:32:377:3810:21
7:37
#11336
21M
21.00 mi13:09:362:40:247:387:47
7:47
#10976
35K
21.75 mi13:14:562:45:447:375:20
7:08
#10774
23M
23.00 mi13:24:002:54:487:369:04
7:14
#10343
24M
24.00 mi13:31:023:01:507:357:02
7:02
#10036
40K
24.85 mi13:36:583:07:467:335:56
6:56
#9705
25.2M
25.20 mi13:39:343:10:227:332:36
7:32
#9553
Finish
26.22 mi13:46:213:17:097:316:47
6:39
#9261
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi131403390339013141(Top 46%)3521(Top 29%)3521(Top 205%)
10K6.21 mi3.10 mi13362-2223563-1733563-17313632(Top 48%)3735(Top 31%)3735(Top 217%)
15K9.32 mi3.11 mi13266+963552+113552+1113141(Top 46%)3521(Top 29%)3521(Top 205%)
20K12.43 mi3.11 mi12889+3773381+1713381+17111951(Top 42%)2963(Top 24%)2963(Top 172%)
Half13.11 mi0.68 mi12801+883333+483333+4811330(Top 40%)2575(Top 21%)2575(Top 150%)
25K15.53 mi2.42 mi12328+4733091+2423091+24210035(Top 35%)2111(Top 17%)2111(Top 123%)
30K18.64 mi3.11 mi11677+6512827+2642827+2649290(Top 33%)1958(Top 16%)1958(Top 114%)
20M20.00 mi1.36 mi11336+3412686+1412686+1417831(Top 28%)1482(Top 12%)1482(Top 86%)
21M21.00 mi1.00 mi10976+3602533+1532533+1536137(Top 22%)982(Top 8%)982(Top 57%)
35K21.75 mi0.75 mi10774+2022453+802453+806215(Top 22%)1005(Top 8%)1005(Top 58%)
23M23.00 mi1.25 mi10343+4312281+1722281+1725169(Top 18%)733(Top 6%)733(Top 43%)
24M24.00 mi1.00 mi10036+3072164+1172164+1174863(Top 17%)696(Top 6%)696(Top 41%)
40K24.85 mi0.85 mi9705+3312030+1342030+1343622(Top 13%)417(Top 3%)417(Top 24%)
25.2M25.20 mi0.35 mi9553+1521972+581972+583696(Top 13%)498(Top 4%)498(Top 29%)
Finish26.22 mi1.02 mi9261+2921884+881884+883682(Top 13%)480(Top 4%)480(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

13141

Females

3521

F40-44

3521

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

13632

Females

3735

F40-44

3735

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

13141

Females

3521

F40-44

3521

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11951

Females

2963

F40-44

2963

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

11330

Females

2575

F40-44

2575

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

10035

Females

2111

F40-44

2111

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9290

Females

1958

F40-44

1958

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7831

Females

1482

F40-44

1482

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6137

Females

982

F40-44

982

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6215

Females

1005

F40-44

1005

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5169

Females

733

F40-44

733

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4863

Females

696

F40-44

696

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3622

Females

417

F40-44

417

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3696

Females

498

F40-44

498

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3682

Females

480

F40-44

480

Passing Analysis

Category:
Athletes Passed
4530*
Passed By
651
Net Change
+3879
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13140
5K → 10K201423-222#13140#13362
10K → 15K243147+96#13362#13266
15K → 20K42548+377#13266#12889
20K → Half935+88#12889#12801
Half → 25K4796+473#12801#12328
25K → 30K66413+651#12328#11677
30K → 20M3454+341#11677#11336
20M → 21M3600+360#11336#10976
21M → 35K2031+202#10976#10774
35K → 23M4321+431#10774#10343
23M → 24M3070+307#10343#10036
24M → 40K331*0+331#10036#9705
40K → 25.2M1520+152#9705#9553
25.2M → Finish2953+292#9553#9261
TOTALS4530*651+3879

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing