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BOSTON MARATHON 2025

Alannah Sullivan

Bib: 26391•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:08/mi
31:29
↑ 97↓ 3451.5%
10K· 6.21 mi
10:20/mi
1:03:34
↑ 79↓ 1380.4%
15K· 9.32 mi
9:59/mi
1:34:34
↑ 67↓ 78
20K· 12.43 mi
11:01/mi
2:08:48
↑ 106↓ 860.1%
Half· 13.11 mi
10:42/mi
2:16:06
↑ 19↓ 370.5%
25K· 15.53 mi
12:06/mi
2:45:26
↑ 66↓ 880.2%
30K· 18.64 mi
11:54/mi
3:22:25
↑ 181↓ 1480.2%
20M
13:13/mi
3:40:23
↑ 64↓ 500.2%
21M
14:43/mi
3:55:06
↑ 106↓ 241.6%
35K· 21.75 mi
12:02/mi
4:04:06
↑ 17↓ 861.7%
23M
14:52/mi
4:22:43
↑ 23↓ 630.6%
24M
12:23/mi
4:35:06
↓ 821.3%
40K· 24.85 mi
15:29/mi
4:48:20
↓ 200.3%
25.2M
14:15/mi
4:53:15
↑ 13↓ 160.2%
Finish· 26.22 mi
12:26/mi
5:05:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:06
Pace10:23 /mi
2nd Half
Distance13.11 mi
Time2:49:49
Pace12:57 /mi
📊Positive Split: 24.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5731:2910:0831:29
10:08
-
10K
6.21 mi12:19:021:03:3410:1432:05
10:20
+0:12
15K
9.32 mi12:50:021:34:3410:0931:00
9:59
-0:21
20K
12.43 mi13:24:162:08:4810:2234:14
11:01
+1:02
Half
13.11 mi13:31:342:16:0610:237:18
10:42
-0:19
25K
15.53 mi14:00:542:45:2610:3929:20
12:06
+1:24
30K
18.64 mi14:37:533:22:2510:5236:59
11:54
-0:12
20M
20.00 mi14:55:513:40:2311:0117:58
13:13
+1:19
21M
21.00 mi15:10:343:55:0611:1214:43
14:43
+1:30
35K
21.75 mi15:19:344:04:0611:139:00
12:02
-2:41
23M
23.00 mi15:38:114:22:4311:2518:37
14:52
+2:50
24M
24.00 mi15:50:344:35:0611:2812:23
12:23
-2:29
40K
24.85 mi16:03:484:48:2011:3613:14
15:29
+3:06
25.2M
25.20 mi16:08:434:53:1511:384:55
14:15
-1:14
Finish
26.22 mi16:21:235:05:5511:4112:40
12:26
-1:49

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

9:59 /mi

Average Pace

11:41 /mi

Slowest Pace

15:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:06

44% of race

Time at Steady Pace

1:40:22

33% of race

Time at Slower Pace

1:09:27

23% of race

Average Pace: 11:40 /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 mi11:46:5731:2910:0831:29
10:08
#25902
10K
6.21 mi12:19:021:03:3410:1432:05
10:20
#25966
15K
9.32 mi12:50:021:34:3410:0931:00
9:59
#25610
20K
12.43 mi13:24:162:08:4810:2234:14
11:01
#25720
Half
13.11 mi13:31:342:16:0610:237:18
10:42
#25741
25K
15.53 mi14:00:542:45:2610:3929:20
12:06
#25961
30K
18.64 mi14:37:533:22:2510:5236:59
11:54
#25844
20M
20.00 mi14:55:513:40:2311:0117:58
13:13
#25936
21M
21.00 mi15:10:343:55:0611:1214:43
14:43
#26031
35K
21.75 mi15:19:344:04:0611:139:00
12:02
#26029
23M
23.00 mi15:38:114:22:4311:2518:37
14:52
#26229
24M
24.00 mi15:50:344:35:0611:2812:23
12:23
#26222
40K
24.85 mi16:03:484:48:2011:3613:14
15:29
#26367
25.2M
25.20 mi16:08:434:53:1511:384:55
14:15
#26373
Finish
26.22 mi16:21:235:05:5511:4112:40
12:26
#26432
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25902107111071124947(Top 88%)10185(Top 83%)10185(Top 186%)
10K6.21 mi3.10 mi25966-6410754-4310754-4325963(Top 91%)10771(Top 88%)10771(Top 197%)
15K9.32 mi3.11 mi25610+35610563+19110563+19124947(Top 88%)10185(Top 83%)10185(Top 186%)
20K12.43 mi3.11 mi25720-11010629-6610629-6626032(Top 92%)10831(Top 89%)10831(Top 198%)
Half13.11 mi0.68 mi25741-2110636-710636-726089(Top 92%)10883(Top 89%)10883(Top 199%)
25K15.53 mi2.42 mi25961-22010773-13710773-13726534(Top 93%)11159(Top 91%)11159(Top 204%)
30K18.64 mi3.11 mi25844+11710739+3410739+3425452(Top 90%)10650(Top 87%)10650(Top 195%)
20M20.00 mi1.36 mi25936-9210798-5910798-5926652(Top 94%)11370(Top 93%)11370(Top 208%)
21M21.00 mi1.00 mi26031-9510864-6610864-6626908(Top 95%)11516(Top 94%)11516(Top 211%)
35K21.75 mi0.75 mi26029+210870-610870-625890(Top 91%)11048(Top 90%)11048(Top 202%)
23M23.00 mi1.25 mi26229-20010998-12810998-12827856(Top 98%)12025(Top 98%)12025(Top 220%)
24M24.00 mi1.00 mi26222+711007-911007-926169(Top 92%)11208(Top 92%)11208(Top 205%)
40K24.85 mi0.85 mi26367-14511088-8111088-8127945(Top 98%)12079(Top 99%)12079(Top 221%)
25.2M25.20 mi0.35 mi26373-611096-811096-826520(Top 93%)11436(Top 94%)11436(Top 209%)
Finish26.22 mi1.02 mi26432-5911130-3411130-3427225(Top 96%)11727(Top 96%)11727(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

24947

Females

10185

F18-39

10185

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25963

Females

10771

F18-39

10771

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

24947

Females

10185

F18-39

10185

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

26032

Females

10831

F18-39

10831

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26089

Females

10883

F18-39

10883

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26534

Females

11159

F18-39

11159

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25452

Females

10650

F18-39

10650

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

26652

Females

11370

F18-39

11370

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

26908

Females

11516

F18-39

11516

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25890

Females

11048

F18-39

11048

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

27856

Females

12025

F18-39

12025

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

26169

Females

11208

F18-39

11208

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27945

Females

12079

F18-39

12079

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26520

Females

11436

F18-39

11436

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

27225

Females

11727

F18-39

11727

Passing Analysis

Category:
Athletes Passed
951
Passed By
1481
Net Change
-530
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25902
5K → 10K159223-64#25902#25966
10K → 15K36812+356#25966#25610
15K → 20K92202-110#25610#25720
20K → Half1334-21#25720#25741
Half → 25K34254-220#25741#25961
25K → 30K15942+117#25961#25844
30K → 20M28120-92#25844#25936
20M → 21M15110-95#25936#26031
21M → 35K3432+2#26031#26029
35K → 23M4204-200#26029#26229
23M → 24M2922+7#26229#26222
24M → 40K2147-145#26222#26367
40K → 25.2M814-6#26367#26373
25.2M → Finish665-59#26373#26432
TOTALS9511481-530
📊

Passing Visuals

Category:
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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