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BOSTON MARATHON 2025

Dianna Bell

Bib: 14855•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Division (F18-39)
#0 / 5469
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:22
Rank: #12428
Start → 5K
23:22 | 7:31/mi
10K· 6.21 mi
46:40
Rank: #12224 (+204)
5K → 10K
23:18 | 7:30/mi
15K· 9.32 mi
1:09:45
Rank: #11843 (+381)
10K → 15K
23:05 | 7:26/mi
20K· 12.43 mi
1:32:58
Rank: #11470 (+373)
15K → 20K
23:13 | 7:28/mi
Half· 13.11 mi
1:38:02
Rank: #11457 (+13)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:56:15
Rank: #11199 (+258)
Half → 25K
18:13 | 7:31/mi
30K· 18.64 mi
2:19:32
Rank: #10453 (+746)
25K → 30K
23:17 | 7:30/mi
20M
2:29:49
Rank: #10157 (+296)
30K → 20M
10:17 | 7:34/mi
21M
2:37:37
Rank: #9838 (+319)
20M → 21M
7:48 | 7:48/mi
35K· 21.75 mi
2:43:14
Rank: #9793 (+45)
21M → 35K
5:37 | 7:30/mi
23M
2:52:43
Rank: #9583 (+210)
35K → 23M
9:29 | 7:34/mi
24M
3:00:13
Rank: #9447 (+136)
23M → 24M
7:30 | 7:30/mi
40K· 24.85 mi
3:06:43
Rank: #9348 (+99)
24M → 40K
6:30 | 7:36/mi
25.2M
3:09:32
Rank: #9277 (+71)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:16:45
Rank: #9110 (+167)
25.2M → Finish
7:13 | 7:05/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:02
Pace7:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:43
Pace7:32 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2123:227:3123:22
7:31
-
10K
6.21 mi11:17:3946:407:3123:18
7:30
-0:01
15K
9.32 mi11:40:441:09:457:2923:05
7:26
-0:04
20K
12.43 mi12:03:571:32:587:2923:13
7:28
+0:02
Half
13.11 mi12:09:011:38:027:295:04
7:26
-0:02
25K
15.53 mi12:27:141:56:157:2918:13
7:31
+0:05
30K
18.64 mi12:50:312:19:327:2923:17
7:30
-0:01
20M
20.00 mi13:00:482:29:497:2910:17
7:34
+0:04
21M
21.00 mi13:08:362:37:377:307:48
7:48
+0:14
35K
21.75 mi13:14:132:43:147:305:37
7:30
-0:18
23M
23.00 mi13:23:422:52:437:319:29
7:34
+0:04
24M
24.00 mi13:31:123:00:137:317:30
7:30
-0:04
40K
24.85 mi13:37:423:06:437:316:30
7:36
+0:06
25.2M
25.20 mi13:40:313:09:327:312:49
8:10
+0:34
Finish
26.22 mi13:47:443:16:457:317:13
7:05
-1:05

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

7:05 /mi

Average Pace

7:31 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:08

95% of race

Time at Steady Pace

10:37

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi10:54:2123:227:3123:22
7:31
#12428
10K
6.21 mi11:17:3946:407:3123:18
7:30
#12224
15K
9.32 mi11:40:441:09:457:2923:05
7:26
#11843
20K
12.43 mi12:03:571:32:587:2923:13
7:28
#11470
Half
13.11 mi12:09:011:38:027:295:04
7:26
#11457
25K
15.53 mi12:27:141:56:157:2918:13
7:31
#11199
30K
18.64 mi12:50:312:19:327:2923:17
7:30
#10453
20M
20.00 mi13:00:482:29:497:2910:17
7:34
#10157
21M
21.00 mi13:08:362:37:377:307:48
7:48
#9838
35K
21.75 mi13:14:132:43:147:305:37
7:30
#9793
23M
23.00 mi13:23:422:52:437:319:29
7:34
#9583
24M
24.00 mi13:31:123:00:137:317:30
7:30
#9447
40K
24.85 mi13:37:423:06:437:316:30
7:36
#9348
25.2M
25.20 mi13:40:313:09:327:312:49
8:10
#9277
Finish
26.22 mi13:47:443:16:457:317:13
7:05
#9110
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi124283025302511153(Top 39%)2445(Top 20%)2445(Top 45%)
10K6.21 mi3.10 mi12224+2042922+1032922+10312092(Top 43%)2863(Top 23%)2863(Top 52%)
15K9.32 mi3.11 mi11843+3812736+1862736+18611153(Top 39%)2445(Top 20%)2445(Top 45%)
20K12.43 mi3.11 mi11470+3732592+1442592+14410530(Top 37%)2225(Top 18%)2225(Top 41%)
Half13.11 mi0.68 mi11457+132583+92583+911124(Top 39%)2465(Top 20%)2465(Top 45%)
25K15.53 mi2.42 mi11199+2582489+942489+9410092(Top 36%)2134(Top 17%)2134(Top 39%)
30K18.64 mi3.11 mi10453+7462177+3122177+3127718(Top 27%)1282(Top 10%)1282(Top 23%)
20M20.00 mi1.36 mi10157+2962062+1152062+1157487(Top 26%)1344(Top 11%)1344(Top 25%)
21M21.00 mi1.00 mi9838+3191949+1131949+1136235(Top 22%)1013(Top 8%)1013(Top 19%)
35K21.75 mi0.75 mi9793+451954-51954-58709(Top 31%)1988(Top 16%)1988(Top 36%)
23M23.00 mi1.25 mi9583+2101896+581896+587102(Top 25%)1446(Top 12%)1446(Top 26%)
24M24.00 mi1.00 mi9447+1361871+251871+257721(Top 27%)1754(Top 14%)1754(Top 32%)
40K24.85 mi0.85 mi9348+991864+71864+77463(Top 26%)1741(Top 14%)1741(Top 32%)
25.2M25.20 mi0.35 mi9277+711855+91855+96952(Top 24%)1624(Top 13%)1624(Top 30%)
Finish26.22 mi1.02 mi9110+1671815+401815+406290(Top 22%)1356(Top 11%)1356(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

11153

Females

2445

F18-39

2445

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

12092

Females

2863

F18-39

2863

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

11153

Females

2445

F18-39

2445

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

10530

Females

2225

F18-39

2225

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11124

Females

2465

F18-39

2465

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10092

Females

2134

F18-39

2134

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7718

Females

1282

F18-39

1282

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7487

Females

1344

F18-39

1344

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6235

Females

1013

F18-39

1013

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8709

Females

1988

F18-39

1988

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7102

Females

1446

F18-39

1446

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7721

Females

1754

F18-39

1754

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7463

Females

1741

F18-39

1741

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6952

Females

1624

F18-39

1624

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6290

Females

1356

F18-39

1356

Passing Analysis

Category:
Athletes Passed
3769*
Passed By
451
Net Change
+3318
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12428
5K → 10K378174+204#12428#12224
10K → 15K43049+381#12224#11843
15K → 20K41037+373#11843#11470
20K → Half4229+13#11470#11457
Half → 25K29234+258#11457#11199
25K → 30K7493+746#11199#10453
30K → 20M30610+296#10453#10157
20M → 21M322*3+319#10157#9838
21M → 35K8035+45#9838#9793
35K → 23M22111+210#9793#9583
23M → 24M15620+136#9583#9447
24M → 40K12425+99#9447#9348
40K → 25.2M798+71#9348#9277
25.2M → Finish18013+167#9277#9110
TOTALS3769*451+3318

* 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