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BOSTON MARATHON 2025

Diana Bradbury

Bib: 13771•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 38%
Gender (Female)
#0 / 12228
Top 21%
Division (F18-39)
#0 / 5469
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:49
Rank: #10820
Start → 5K
22:49 | 7:21/mi
10K· 6.21 mi
45:52
Rank: #11076 (-256)
5K → 10K
23:03 | 7:25/mi
15K· 9.32 mi
1:09:15
Rank: #11345 (-269)
10K → 15K
23:23 | 7:32/mi
20K· 12.43 mi
1:32:57
Rank: #11464 (-119)
15K → 20K
23:42 | 7:38/mi
Half· 13.11 mi
1:38:08
Rank: #11520 (-56)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:57:01
Rank: #11619 (-99)
Half → 25K
18:53 | 7:47/mi
30K· 18.64 mi
2:21:07
Rank: #11201 (+418)
25K → 30K
24:06 | 7:45/mi
20M
2:31:50
Rank: #11015 (+186)
30K → 20M
10:43 | 7:53/mi
21M
2:40:10
Rank: #10899 (+116)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:46:05
Rank: #10897 (+2)
21M → 35K
5:55 | 7:55/mi
23M
2:56:21
Rank: #10887 (+10)
35K → 23M
10:16 | 8:12/mi
24M
3:04:14
Rank: #10829 (+58)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
3:11:03
Rank: #10777 (+52)
24M → 40K
6:49 | 7:58/mi
25.2M
3:14:02
Rank: #10733 (+44)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:21:52
Rank: #10686 (+47)
25.2M → Finish
7:50 | 7:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:08
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:43:44
Pace7:55 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5722:497:2122:49
7:21
-
10K
6.21 mi11:16:0045:527:2323:03
7:25
+0:04
15K
9.32 mi11:39:231:09:157:2623:23
7:32
+0:07
20K
12.43 mi12:03:051:32:577:2923:42
7:38
+0:06
Half
13.11 mi12:08:161:38:087:295:11
7:36
-0:02
25K
15.53 mi12:27:091:57:017:3218:53
7:47
+0:11
30K
18.64 mi12:51:152:21:077:3424:06
7:45
-0:02
20M
20.00 mi13:01:582:31:507:3510:43
7:53
+0:08
21M
21.00 mi13:10:182:40:107:388:20
8:20
+0:27
35K
21.75 mi13:16:132:46:057:385:55
7:55
-0:25
23M
23.00 mi13:26:292:56:217:4010:16
8:12
+0:17
24M
24.00 mi13:34:223:04:147:417:53
7:53
-0:19
40K
24.85 mi13:41:113:11:037:416:49
7:58
+0:05
25.2M
25.20 mi13:44:103:14:027:422:59
8:39
+0:41
Finish
26.22 mi13:52:003:21:527:427:50
7:41
-0:58

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

7:21 /mi

Average Pace

7:42 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:17

89% of race

Time at Steady Pace

21:35

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:42 /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 mi10:52:5722:497:2122:49
7:21
#10820
10K
6.21 mi11:16:0045:527:2323:03
7:25
#11076
15K
9.32 mi11:39:231:09:157:2623:23
7:32
#11345
20K
12.43 mi12:03:051:32:577:2923:42
7:38
#11464
Half
13.11 mi12:08:161:38:087:295:11
7:36
#11520
25K
15.53 mi12:27:091:57:017:3218:53
7:47
#11619
30K
18.64 mi12:51:152:21:077:3424:06
7:45
#11201
20M
20.00 mi13:01:582:31:507:3510:43
7:53
#11015
21M
21.00 mi13:10:182:40:107:388:20
8:20
#10899
35K
21.75 mi13:16:132:46:057:385:55
7:55
#10897
23M
23.00 mi13:26:292:56:217:4010:16
8:12
#10887
24M
24.00 mi13:34:223:04:147:417:53
7:53
#10829
40K
24.85 mi13:41:113:11:037:416:49
7:58
#10777
25.2M
25.20 mi13:44:103:14:027:422:59
8:39
#10733
Finish
26.22 mi13:52:003:21:527:427:50
7:41
#10686
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi108202198219812008(Top 42%)2903(Top 24%)2903(Top 53%)
10K6.21 mi3.10 mi11076-2562335-1372335-13711368(Top 40%)2499(Top 20%)2499(Top 46%)
15K9.32 mi3.11 mi11345-2692496-1612496-16112008(Top 42%)2903(Top 24%)2903(Top 53%)
20K12.43 mi3.11 mi11464-1192588-922588-9211804(Top 42%)2891(Top 24%)2891(Top 53%)
Half13.11 mi0.68 mi11520-562624-362624-3612564(Top 44%)3248(Top 27%)3248(Top 59%)
25K15.53 mi2.42 mi11619-992717-932717-9312247(Top 43%)3245(Top 27%)3245(Top 59%)
30K18.64 mi3.11 mi11201+4182568+1492568+1499611(Top 34%)2106(Top 17%)2106(Top 39%)
20M20.00 mi1.36 mi11015+1862519+492519+499650(Top 34%)2284(Top 19%)2284(Top 42%)
21M21.00 mi1.00 mi10899+1162497+222497+229462(Top 33%)2358(Top 19%)2358(Top 43%)
35K21.75 mi0.75 mi10897+22521-242521-2411643(Top 41%)3445(Top 28%)3445(Top 63%)
23M23.00 mi1.25 mi10887+102554-332554-3311369(Top 40%)3415(Top 28%)3415(Top 62%)
24M24.00 mi1.00 mi10829+582565-112565-1110458(Top 37%)3024(Top 25%)3024(Top 55%)
40K24.85 mi0.85 mi10777+522568-32568-310019(Top 35%)2931(Top 24%)2931(Top 54%)
25.2M25.20 mi0.35 mi10733+442555+132555+139770(Top 34%)2896(Top 24%)2896(Top 53%)
Finish26.22 mi1.02 mi10686+472566-112566-1110630(Top 37%)3275(Top 27%)3275(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

12008

Females

2903

F18-39

2903

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11368

Females

2499

F18-39

2499

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

12008

Females

2903

F18-39

2903

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11804

Females

2891

F18-39

2891

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12564

Females

3248

F18-39

3248

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12247

Females

3245

F18-39

3245

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9611

Females

2106

F18-39

2106

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9650

Females

2284

F18-39

2284

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

9462

Females

2358

F18-39

2358

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11643

Females

3445

F18-39

3445

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11369

Females

3415

F18-39

3415

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10458

Females

3024

F18-39

3024

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

10019

Females

2931

F18-39

2931

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9770

Females

2896

F18-39

2896

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10630

Females

3275

F18-39

3275

Passing Analysis

Category:
Athletes Passed
1926
Passed By
1792
Net Change
+134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10820
5K → 10K165421-256#10820#11076
10K → 15K105374-269#11076#11345
15K → 20K146265-119#11345#11464
20K → Half1672-56#11464#11520
Half → 25K133232-99#11520#11619
25K → 30K46547+418#11619#11201
30K → 20M21832+186#11201#11015
20M → 21M15539+116#11015#10899
21M → 35K6159+2#10899#10897
35K → 23M112102+10#10897#10887
23M → 24M10547+58#10887#10829
24M → 40K9038+52#10829#10777
40K → 25.2M5612+44#10777#10733
25.2M → Finish9952+47#10733#10686
TOTALS19261792+134
📊

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