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BOSTON MARATHON 2025

Alanna Grealy

Bib: 30459•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:27
Rank: #24187
Start → 5K
29:27 | 9:29/mi
10K· 6.21 mi
1:00:14
Rank: #24724 (-537)
5K → 10K
30:47 | 9:54/mi
15K· 9.32 mi
1:30:00
Rank: #24454 (+270)
10K → 15K
29:46 | 9:35/mi
20K· 12.43 mi
1:59:49
Rank: #24145 (+309)
15K → 20K
29:49 | 9:36/mi
Half· 13.11 mi
2:06:17
Rank: #24111 (+34)
20K → Half
6:28 | 9:29/mi
25K· 15.53 mi
2:30:30
Rank: #23954 (+157)
Half → 25K
24:13 | 9:59/mi
30K· 18.64 mi
3:03:19
Rank: #23775 (+179)
25K → 30K
32:49 | 10:34/mi
20M
3:17:29
Rank: #23652 (+123)
30K → 20M
14:10 | 10:25/mi
21M
3:28:33
Rank: #23533 (+119)
20M → 21M
11:04 | 11:04/mi
35K· 21.75 mi
3:36:18
Rank: #23484 (+49)
21M → 35K
7:45 | 10:22/mi
23M
3:50:17
Rank: #23504 (-20)
35K → 23M
13:59 | 11:10/mi
24M
4:01:28
Rank: #23554 (-50)
23M → 24M
11:11 | 11:11/mi
40K· 24.85 mi
4:11:23
Rank: #23615 (-61)
24M → 40K
9:55 | 11:36/mi
25.2M
4:15:23
Rank: #23594 (+21)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
4:26:09
Rank: #23617 (-23)
25.2M → Finish
10:46 | 10:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:17
Pace9:38 /mi
2nd Half
Distance13.11 mi
Time2:19:52
Pace10:40 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2829:279:2929:27
9:29
-
10K
6.21 mi12:21:151:00:149:4230:47
9:54
+0:25
15K
9.32 mi12:51:011:30:009:3929:46
9:35
-0:19
20K
12.43 mi13:20:501:59:499:3829:49
9:36
+0:01
Half
13.11 mi13:27:182:06:179:386:28
9:29
-0:07
25K
15.53 mi13:51:312:30:309:4124:13
9:59
+0:30
30K
18.64 mi14:24:203:03:199:5032:49
10:34
+0:35
20M
20.00 mi14:38:303:17:299:5214:10
10:25
-0:09
21M
21.00 mi14:49:343:28:339:5611:04
11:04
+0:39
35K
21.75 mi14:57:193:36:189:577:45
10:22
-0:42
23M
23.00 mi15:11:183:50:1710:0113:59
11:10
+0:48
24M
24.00 mi15:22:294:01:2810:0411:11
11:11
+0:01
40K
24.85 mi15:32:244:11:2310:079:55
11:36
+0:25
25.2M
25.20 mi15:36:244:15:2310:084:00
11:36
0:00
Finish
26.22 mi15:47:104:26:0910:1010:46
10:34
-1:02

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

9:29 /mi

Average Pace

10:10 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:30

57% of race

Time at Steady Pace

1:05:30

25% of race

Time at Slower Pace

50:09

19% of race

Average Pace: 10:09 /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 mi11:50:2829:279:2929:27
9:29
#24187
10K
6.21 mi12:21:151:00:149:4230:47
9:54
#24724
15K
9.32 mi12:51:011:30:009:3929:46
9:35
#24454
20K
12.43 mi13:20:501:59:499:3829:49
9:36
#24145
Half
13.11 mi13:27:182:06:179:386:28
9:29
#24111
25K
15.53 mi13:51:312:30:309:4124:13
9:59
#23954
30K
18.64 mi14:24:203:03:199:5032:49
10:34
#23775
20M
20.00 mi14:38:303:17:299:5214:10
10:25
#23652
21M
21.00 mi14:49:343:28:339:5611:04
11:04
#23533
35K
21.75 mi14:57:193:36:189:577:45
10:22
#23484
23M
23.00 mi15:11:183:50:1710:0113:59
11:10
#23504
24M
24.00 mi15:22:294:01:2810:0411:11
11:11
#23554
40K
24.85 mi15:32:244:11:2310:079:55
11:36
#23615
25.2M
25.20 mi15:36:244:15:2310:084:00
11:36
#23594
Finish
26.22 mi15:47:104:26:0910:1010:46
10:34
#23617
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi241879789978923964(Top 84%)9645(Top 79%)9645(Top 176%)
10K6.21 mi3.10 mi24724-53710075-28610075-28625115(Top 88%)10294(Top 84%)10294(Top 188%)
15K9.32 mi3.11 mi24454+2709934+1419934+14123964(Top 84%)9645(Top 79%)9645(Top 176%)
20K12.43 mi3.11 mi24145+3099772+1629772+16223204(Top 82%)9249(Top 76%)9249(Top 169%)
Half13.11 mi0.68 mi24111+349757+159757+1523539(Top 83%)9453(Top 77%)9453(Top 173%)
25K15.53 mi2.42 mi23954+1579675+829675+8223241(Top 82%)9330(Top 76%)9330(Top 171%)
30K18.64 mi3.11 mi23775+1799615+609615+6023085(Top 81%)9367(Top 77%)9367(Top 171%)
20M20.00 mi1.36 mi23652+1239574+419574+4122240(Top 78%)9029(Top 74%)9029(Top 165%)
21M21.00 mi1.00 mi23533+1199519+559519+5521606(Top 76%)8773(Top 72%)8773(Top 160%)
35K21.75 mi0.75 mi23484+499506+139506+1322863(Top 80%)9476(Top 77%)9476(Top 173%)
23M23.00 mi1.25 mi23504-209530-249530-2423614(Top 83%)9909(Top 81%)9909(Top 181%)
24M24.00 mi1.00 mi23554-509574-449574-4424365(Top 86%)10305(Top 84%)10305(Top 188%)
40K24.85 mi0.85 mi23615-619625-519625-5124307(Top 86%)10327(Top 84%)10327(Top 189%)
25.2M25.20 mi0.35 mi23594+219622+39622+322358(Top 79%)9341(Top 76%)9341(Top 171%)
Finish26.22 mi1.02 mi23617-239650-289650-2824437(Top 86%)10369(Top 85%)10369(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

23964

Females

9645

F18-39

9645

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

25115

Females

10294

F18-39

10294

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

23964

Females

9645

F18-39

9645

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

23204

Females

9249

F18-39

9249

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

23539

Females

9453

F18-39

9453

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

23241

Females

9330

F18-39

9330

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

23085

Females

9367

F18-39

9367

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22240

Females

9029

F18-39

9029

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21606

Females

8773

F18-39

8773

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22863

Females

9476

F18-39

9476

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23614

Females

9909

F18-39

9909

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24365

Females

10305

F18-39

10305

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24307

Females

10327

F18-39

10327

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22358

Females

9341

F18-39

9341

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

24437

Females

10369

F18-39

10369

Passing Analysis

Category:
Athletes Passed
1745
Passed By
1175
Net Change
+570
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24187
5K → 10K77614-537#24187#24724
10K → 15K29929+270#24724#24454
15K → 20K32819+309#24454#24145
20K → Half4410+34#24145#24111
Half → 25K20851+157#24111#23954
25K → 30K24768+179#23954#23775
30K → 20M14320+123#23775#23652
20M → 21M13718+119#23652#23533
21M → 35K6819+49#23533#23484
35K → 23M6686-20#23484#23504
23M → 24M3282-50#23504#23554
24M → 40K2384-61#23554#23615
40K → 25.2M3211+21#23615#23594
25.2M → Finish4164-23#23594#23617
TOTALS17451175+570
📊

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