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BOSTON MARATHON 2025

Breanna Clancey

Bib: 12646•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 24%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:53
Rank: #11006
Start → 5K
22:53 | 7:22/mi
10K· 6.21 mi
45:31
Rank: #10551 (+455)
5K → 10K
22:38 | 7:17/mi
15K· 9.32 mi
1:07:43
Rank: #9901 (+650)
10K → 15K
22:12 | 7:09/mi
20K· 12.43 mi
1:29:56
Rank: #9313 (+588)
15K → 20K
22:13 | 7:09/mi
Half· 13.11 mi
1:34:48
Rank: #9272 (+41)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:52:04
Rank: #8800 (+472)
Half → 25K
17:16 | 7:07/mi
30K· 18.64 mi
2:14:48
Rank: #8273 (+527)
25K → 30K
22:44 | 7:19/mi
20M
2:24:36
Rank: #7982 (+291)
30K → 20M
9:48 | 7:13/mi
21M
2:32:13
Rank: #7738 (+244)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:37:32
Rank: #7634 (+104)
21M → 35K
5:19 | 7:06/mi
23M
2:46:39
Rank: #7423 (+211)
35K → 23M
9:07 | 7:17/mi
24M
2:53:35
Rank: #7221 (+202)
23M → 24M
6:56 | 6:56/mi
40K· 24.85 mi
2:59:40
Rank: #7075 (+146)
24M → 40K
6:05 | 7:07/mi
25.2M
3:02:20
Rank: #7010 (+65)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:09:17
Rank: #6857 (+153)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:34:48
Pace7:14 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:34:29
Pace7:12 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4222:537:2222:53
7:22
-
10K
6.21 mi11:13:2045:317:2022:38
7:17
-0:05
15K
9.32 mi11:35:321:07:437:1622:12
7:09
-0:08
20K
12.43 mi11:57:451:29:567:1422:13
7:09
0:00
Half
13.11 mi12:02:371:34:487:144:52
7:08
-0:01
25K
15.53 mi12:19:531:52:047:1317:16
7:07
-0:01
30K
18.64 mi12:42:372:14:487:1422:44
7:19
+0:12
20M
20.00 mi12:52:252:24:367:149:48
7:13
-0:06
21M
21.00 mi13:00:022:32:137:157:37
7:37
+0:24
35K
21.75 mi13:05:212:37:327:155:19
7:06
-0:31
23M
23.00 mi13:14:282:46:397:159:07
7:17
+0:11
24M
24.00 mi13:21:242:53:357:146:56
6:56
-0:21
40K
24.85 mi13:27:292:59:407:146:05
7:07
+0:11
25.2M
25.20 mi13:30:093:02:207:142:40
7:44
+0:37
Finish
26.22 mi13:37:063:09:177:136:57
6:49
-0:55

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

6:49 /mi

Average Pace

7:13 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:00

95% of race

Time at Steady Pace

10:17

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:13 /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 mi10:50:4222:537:2222:53
7:22
#11006
10K
6.21 mi11:13:2045:317:2022:38
7:17
#10551
15K
9.32 mi11:35:321:07:437:1622:12
7:09
#9901
20K
12.43 mi11:57:451:29:567:1422:13
7:09
#9313
Half
13.11 mi12:02:371:34:487:144:52
7:08
#9272
25K
15.53 mi12:19:531:52:047:1317:16
7:07
#8800
30K
18.64 mi12:42:372:14:487:1422:44
7:19
#8273
20M
20.00 mi12:52:252:24:367:149:48
7:13
#7982
21M
21.00 mi13:00:022:32:137:157:37
7:37
#7738
35K
21.75 mi13:05:212:37:327:155:19
7:06
#7634
23M
23.00 mi13:14:282:46:397:159:07
7:17
#7423
24M
24.00 mi13:21:242:53:357:146:56
6:56
#7221
40K
24.85 mi13:27:292:59:407:146:05
7:07
#7075
25.2M
25.20 mi13:30:093:02:207:142:40
7:44
#7010
Finish
26.22 mi13:37:063:09:177:136:57
6:49
#6857
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11006228122818677(Top 31%)1294(Top 11%)1294(Top 24%)
10K6.21 mi3.10 mi10551+4552074+2072074+20710229(Top 36%)1922(Top 16%)1922(Top 35%)
15K9.32 mi3.11 mi9901+6501796+2781796+2788677(Top 31%)1294(Top 11%)1294(Top 24%)
20K12.43 mi3.11 mi9313+5881551+2451551+2457833(Top 28%)1046(Top 9%)1046(Top 19%)
Half13.11 mi0.68 mi9272+411539+121539+128583(Top 30%)1304(Top 11%)1304(Top 24%)
25K15.53 mi2.42 mi8800+4721358+1811358+1817123(Top 25%)898(Top 7%)898(Top 16%)
30K18.64 mi3.11 mi8273+5271209+1491209+1496556(Top 23%)858(Top 7%)858(Top 16%)
20M20.00 mi1.36 mi7982+2911142+671142+675291(Top 19%)587(Top 5%)587(Top 11%)
21M21.00 mi1.00 mi7738+2441071+711071+715243(Top 18%)675(Top 6%)675(Top 12%)
35K21.75 mi0.75 mi7634+1041058+131058+136060(Top 21%)939(Top 8%)939(Top 17%)
23M23.00 mi1.25 mi7423+2111031+271031+275386(Top 19%)789(Top 6%)789(Top 14%)
24M24.00 mi1.00 mi7221+202994+37994+374307(Top 15%)529(Top 4%)529(Top 10%)
40K24.85 mi0.85 mi7075+146975+19975+194610(Top 16%)674(Top 6%)674(Top 12%)
25.2M25.20 mi0.35 mi7010+65962+13962+134604(Top 16%)751(Top 6%)751(Top 14%)
Finish26.22 mi1.02 mi6857+153938+24938+244655(Top 16%)750(Top 6%)750(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8677

Females

1294

F18-39

1294

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10229

Females

1922

F18-39

1922

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8677

Females

1294

F18-39

1294

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7833

Females

1046

F18-39

1046

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8583

Females

1304

F18-39

1304

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7123

Females

898

F18-39

898

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6556

Females

858

F18-39

858

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5291

Females

587

F18-39

587

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5243

Females

675

F18-39

675

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

6060

Females

939

F18-39

939

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5386

Females

789

F18-39

789

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4307

Females

529

F18-39

529

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4610

Females

674

F18-39

674

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4604

Females

751

F18-39

751

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4655

Females

750

F18-39

750

Passing Analysis

Category:
Athletes Passed
4326*
Passed By
177
Net Change
+4149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11006
5K → 10K54893+455#11006#10551
10K → 15K657*7+650#10551#9901
15K → 20K5935+588#9901#9313
20K → Half509+41#9313#9272
Half → 25K4764+472#9272#8800
25K → 30K53912+527#8800#8273
30K → 20M2976+291#8273#7982
20M → 21M2484+244#7982#7738
21M → 35K1117+104#7738#7634
35K → 23M2209+211#7634#7423
23M → 24M2053+202#7423#7221
24M → 40K1515+146#7221#7075
40K → 25.2M694+65#7075#7010
25.2M → Finish1629+153#7010#6857
TOTALS4326*177+4149

* 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