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BOSTON MARATHON 2025

Danielle Alexander

Bib: 19690•F

WY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Division (F18-39)
#0 / 5469
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:10
Rank: #14632
Start → 5K
24:10 | 7:47/mi
10K· 6.21 mi
47:29
Rank: #13415 (+1217)
5K → 10K
23:19 | 7:30/mi
15K· 9.32 mi
1:11:16
Rank: #13291 (+124)
10K → 15K
23:47 | 7:39/mi
20K· 12.43 mi
1:35:26
Rank: #13183 (+108)
15K → 20K
24:10 | 7:47/mi
Half· 13.11 mi
1:40:37
Rank: #13150 (+33)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:59:52
Rank: #13159 (-9)
Half → 25K
19:15 | 7:56/mi
30K· 18.64 mi
2:25:57
Rank: #13333 (-174)
25K → 30K
26:05 | 8:24/mi
20M
2:37:35
Rank: #13369 (-36)
30K → 20M
11:38 | 8:34/mi
21M
2:46:29
Rank: #13300 (+69)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:52:26
Rank: #13240 (+60)
21M → 35K
5:57 | 7:57/mi
23M
3:02:49
Rank: #13143 (+97)
35K → 23M
10:23 | 8:18/mi
24M
3:10:53
Rank: #13061 (+82)
23M → 24M
8:04 | 8:04/mi
40K· 24.85 mi
3:17:56
Rank: #13002 (+59)
24M → 40K
7:03 | 8:15/mi
25.2M
3:21:06
Rank: #13002
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:29:16
Rank: #12999 (+3)
25.2M → Finish
8:10 | 8:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:37
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:48:39
Pace8:17 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5624:107:4724:10
7:47
-
10K
6.21 mi11:39:1547:297:3923:19
7:30
-0:17
15K
9.32 mi12:03:021:11:167:3923:47
7:39
+0:09
20K
12.43 mi12:27:121:35:267:4124:10
7:47
+0:08
Half
13.11 mi12:32:231:40:377:405:11
7:36
-0:11
25K
15.53 mi12:51:381:59:527:4319:15
7:56
+0:20
30K
18.64 mi13:17:432:25:577:5026:05
8:24
+0:28
20M
20.00 mi13:29:212:37:357:5311:38
8:34
+0:10
21M
21.00 mi13:38:152:46:297:568:54
8:54
+0:20
35K
21.75 mi13:44:122:52:267:565:57
7:57
-0:57
23M
23.00 mi13:54:353:02:497:5710:23
8:18
+0:21
24M
24.00 mi14:02:393:10:537:578:04
8:04
-0:14
40K
24.85 mi14:09:423:17:567:587:03
8:15
+0:11
25.2M
25.20 mi14:12:523:21:067:593:10
9:11
+0:56
Finish
26.22 mi14:21:023:29:167:598:10
8:01
-1:10

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

7:30 /mi

Average Pace

7:59 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:37

48% of race

Time at Steady Pace

41:26

20% of race

Time at Slower Pace

1:07:13

32% of race

Average Pace: 7:59 /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 mi11:15:5624:107:4724:10
7:47
#14632
10K
6.21 mi11:39:1547:297:3923:19
7:30
#13415
15K
9.32 mi12:03:021:11:167:3923:47
7:39
#13291
20K
12.43 mi12:27:121:35:267:4124:10
7:47
#13183
Half
13.11 mi12:32:231:40:377:405:11
7:36
#13150
25K
15.53 mi12:51:381:59:527:4319:15
7:56
#13159
30K
18.64 mi13:17:432:25:577:5026:05
8:24
#13333
20M
20.00 mi13:29:212:37:357:5311:38
8:34
#13369
21M
21.00 mi13:38:152:46:297:568:54
8:54
#13300
35K
21.75 mi13:44:122:52:267:565:57
7:57
#13240
23M
23.00 mi13:54:353:02:497:5710:23
8:18
#13143
24M
24.00 mi14:02:393:10:537:578:04
8:04
#13061
40K
24.85 mi14:09:423:17:567:587:03
8:15
#13002
25.2M
25.20 mi14:12:523:21:067:593:10
9:11
#13002
Finish
26.22 mi14:21:023:29:167:598:10
8:01
#12999
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi146324302430213104(Top 46%)3506(Top 29%)3506(Top 64%)
10K6.21 mi3.10 mi13415+12173600+7023600+70212162(Top 43%)2906(Top 24%)2906(Top 53%)
15K9.32 mi3.11 mi13291+1243567+333567+3313104(Top 46%)3506(Top 29%)3506(Top 64%)
20K12.43 mi3.11 mi13183+1083544+233544+2313100(Top 46%)3604(Top 29%)3604(Top 66%)
Half13.11 mi0.68 mi13150+333528+163528+1612631(Top 44%)3315(Top 27%)3315(Top 61%)
25K15.53 mi2.42 mi13159-93566-383566-3813429(Top 47%)3896(Top 32%)3896(Top 71%)
30K18.64 mi3.11 mi13333-1743733-1673733-16714113(Top 50%)4437(Top 36%)4437(Top 81%)
20M20.00 mi1.36 mi13369-363786-533786-5314176(Top 50%)4598(Top 38%)4598(Top 84%)
21M21.00 mi1.00 mi13300+693774+123774+1212940(Top 46%)4083(Top 33%)4083(Top 75%)
35K21.75 mi0.75 mi13240+603761+133761+1311984(Top 42%)3641(Top 30%)3641(Top 67%)
23M23.00 mi1.25 mi13143+973753+83753+812021(Top 42%)3755(Top 31%)3755(Top 69%)
24M24.00 mi1.00 mi13061+823739+143739+1411714(Top 41%)3667(Top 30%)3667(Top 67%)
40K24.85 mi0.85 mi13002+593739373911860(Top 42%)3847(Top 31%)3847(Top 70%)
25.2M25.20 mi0.35 mi130023742-33742-312854(Top 45%)4412(Top 36%)4412(Top 81%)
Finish26.22 mi1.02 mi12999+33758-163758-1612992(Top 46%)4428(Top 36%)4428(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

13104

Females

3506

F18-39

3506

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

12162

Females

2906

F18-39

2906

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

13104

Females

3506

F18-39

3506

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

13100

Females

3604

F18-39

3604

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12631

Females

3315

F18-39

3315

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13429

Females

3896

F18-39

3896

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

14113

Females

4437

F18-39

4437

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14176

Females

4598

F18-39

4598

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12940

Females

4083

F18-39

4083

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11984

Females

3641

F18-39

3641

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

12021

Females

3755

F18-39

3755

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11714

Females

3667

F18-39

3667

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11860

Females

3847

F18-39

3847

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12854

Females

4412

F18-39

4412

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12992

Females

4428

F18-39

4428

Passing Analysis

Category:
Athletes Passed
2955
Passed By
1322
Net Change
+1633
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14632
5K → 10K124225+1217#14632#13415
10K → 15K258134+124#13415#13291
15K → 20K256148+108#13291#13183
20K → Half4714+33#13183#13150
Half → 25K163172-9#13150#13159
25K → 30K189363-174#13159#13333
30K → 20M105141-36#13333#13369
20M → 21M13364+69#13369#13300
21M → 35K8727+60#13300#13240
35K → 23M16467+97#13240#13143
23M → 24M11129+82#13143#13061
24M → 40K10344+59#13061#13002
40K → 25.2M28280#13002#13002
25.2M → Finish6966+3#13002#12999
TOTALS29551322+1633
📊

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