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BOSTON MARATHON 2025

Perri Schellenberg

Bib: 29986•F

FL

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
33:06
Rank: #27055
Start → 5K
33:06 | 10:39/mi
10K· 6.21 mi
1:06:48
Rank: #26927 (+128)
5K → 10K
33:42 | 10:51/mi
15K· 9.32 mi
1:40:30
Rank: #26761 (+166)
10K → 15K
33:42 | 10:51/mi
20K· 12.43 mi
2:17:19
Rank: #26850 (-89)
15K → 20K
36:49 | 11:51/mi
Half· 13.11 mi
2:24:44
Rank: #26828 (+22)
20K → Half
7:25 | 10:52/mi
25K· 15.53 mi
2:52:47
Rank: #26673 (+155)
Half → 25K
28:03 | 11:34/mi
30K· 18.64 mi
3:40:49
Rank: #27136 (-463)
25K → 30K
48:02 | 15:28/mi
20M
4:00:23
Rank: #27205 (-69)
30K → 20M
19:34 | 14:24/mi
21M
4:14:21
Rank: #27163 (+42)
20M → 21M
13:58 | 13:58/mi
35K· 21.75 mi
4:23:55
Rank: #27160 (+3)
21M → 35K
9:34 | 12:47/mi
23M
4:42:01
Rank: #27216 (-56)
35K → 23M
18:06 | 14:27/mi
24M
4:55:17
Rank: #27221 (-5)
23M → 24M
13:16 | 13:16/mi
40K· 24.85 mi
5:08:20
Rank: #27280 (-59)
24M → 40K
13:03 | 15:16/mi
25.2M
5:13:27
Rank: #27285 (-5)
40K → 25.2M
5:07 | 14:50/mi
Finish· 26.22 mi
5:25:40
Rank: #27276 (+9)
25.2M → Finish
12:13 | 11:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:44
Pace11:02 /mi
2nd Half
Distance13.11 mi
Time3:00:56
Pace13:48 /mi
📊Positive Split: 25.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:5433:0610:3933:06
10:39
-
10K
6.21 mi12:30:361:06:4810:4533:42
10:51
+0:12
15K
9.32 mi13:04:181:40:3010:4733:42
10:51
0:00
20K
12.43 mi13:41:072:17:1911:0336:49
11:51
+1:00
Half
13.11 mi13:48:322:24:4411:027:25
10:52
-0:59
25K
15.53 mi14:16:352:52:4711:0728:03
11:34
+0:42
30K
18.64 mi15:04:373:40:4911:5148:02
15:28
+3:54
20M
20.00 mi15:24:114:00:2312:0119:34
14:24
-1:04
21M
21.00 mi15:38:094:14:2112:0713:58
13:58
-0:26
35K
21.75 mi15:47:434:23:5512:089:34
12:47
-1:11
23M
23.00 mi16:05:494:42:0112:1618:06
14:27
+1:40
24M
24.00 mi16:19:054:55:1712:1813:16
13:16
-1:11
40K
24.85 mi16:32:085:08:2012:2413:03
15:16
+2:00
25.2M
25.20 mi16:37:155:13:2712:265:07
14:50
-0:26
Finish
26.22 mi16:49:285:25:4012:2612:13
11:59
-2:51

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

10:39 /mi

Average Pace

12:26 /mi

Slowest Pace

15:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:47

53% of race

Time at Steady Pace

35:03

11% of race

Time at Slower Pace

1:57:50

36% of race

Average Pace: 12:25 /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 mi11:56:5433:0610:3933:06
10:39
#27055
10K
6.21 mi12:30:361:06:4810:4533:42
10:51
#26927
15K
9.32 mi13:04:181:40:3010:4733:42
10:51
#26761
20K
12.43 mi13:41:072:17:1911:0336:49
11:51
#26850
Half
13.11 mi13:48:322:24:4411:027:25
10:52
#26828
25K
15.53 mi14:16:352:52:4711:0728:03
11:34
#26673
30K
18.64 mi15:04:373:40:4911:5148:02
15:28
#27136
20M
20.00 mi15:24:114:00:2312:0119:34
14:24
#27205
21M
21.00 mi15:38:094:14:2112:0713:58
13:58
#27163
35K
21.75 mi15:47:434:23:5512:089:34
12:47
#27160
23M
23.00 mi16:05:494:42:0112:1618:06
14:27
#27216
24M
24.00 mi16:19:054:55:1712:1813:16
13:16
#27221
40K
24.85 mi16:32:085:08:2012:2413:03
15:16
#27280
25.2M
25.20 mi16:37:155:13:2712:265:07
14:50
#27285
Finish
26.22 mi16:49:285:25:4012:2612:13
11:59
#27276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27055113581135826474(Top 93%)11049(Top 90%)11049(Top 202%)
10K6.21 mi3.10 mi26927+12811300+5811300+5826851(Top 95%)11277(Top 92%)11277(Top 206%)
15K9.32 mi3.11 mi26761+16611212+8811212+8826474(Top 93%)11049(Top 90%)11049(Top 202%)
20K12.43 mi3.11 mi26850-8911270-5811270-5826981(Top 95%)11380(Top 93%)11380(Top 208%)
Half13.11 mi0.68 mi26828+2211261+911261+926340(Top 93%)11026(Top 90%)11026(Top 202%)
25K15.53 mi2.42 mi26673+15511181+8011181+8025946(Top 91%)10836(Top 89%)10836(Top 198%)
30K18.64 mi3.11 mi27136-46311480-29911480-29928176(Top 99%)12130(Top 99%)12130(Top 222%)
20M20.00 mi1.36 mi27205-6911528-4811528-4827580(Top 97%)11859(Top 97%)11859(Top 217%)
21M21.00 mi1.00 mi27163+4211507+2111507+2126195(Top 92%)11152(Top 91%)11152(Top 204%)
35K21.75 mi0.75 mi27160+311513-611513-626768(Top 94%)11473(Top 94%)11473(Top 210%)
23M23.00 mi1.25 mi27216-5611557-4411557-4427628(Top 97%)11921(Top 97%)11921(Top 218%)
24M24.00 mi1.00 mi27221-511566-911566-927109(Top 95%)11700(Top 96%)11700(Top 214%)
40K24.85 mi0.85 mi27280-5911604-3811604-3827870(Top 98%)12041(Top 98%)12041(Top 220%)
25.2M25.20 mi0.35 mi27285-511609-511609-526992(Top 95%)11660(Top 95%)11660(Top 213%)
Finish26.22 mi1.02 mi27276+911610-111610-126771(Top 94%)11517(Top 94%)11517(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

26474

Females

11049

F18-39

11049

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

26851

Females

11277

F18-39

11277

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

26474

Females

11049

F18-39

11049

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

26981

Females

11380

F18-39

11380

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26340

Females

11026

F18-39

11026

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

25946

Females

10836

F18-39

10836

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

28176

Females

12130

F18-39

12130

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

27580

Females

11859

F18-39

11859

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

26195

Females

11152

F18-39

11152

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

26768

Females

11473

F18-39

11473

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

27628

Females

11921

F18-39

11921

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

27109

Females

11700

F18-39

11700

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27870

Females

12041

F18-39

12041

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

26992

Females

11660

F18-39

11660

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

26771

Females

11517

F18-39

11517

Passing Analysis

Category:
Athletes Passed
839
Passed By
1060
Net Change
-221
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27055
5K → 10K20779+128#27055#26927
10K → 15K20943+166#26927#26761
15K → 20K78167-89#26761#26850
20K → Half297+22#26850#26828
Half → 25K17318+155#26828#26673
25K → 30K9472-463#26673#27136
30K → 20M1483-69#27136#27205
20M → 21M486+42#27205#27163
21M → 35K1815+3#27163#27160
35K → 23M864-56#27160#27216
23M → 24M1823-5#27216#27221
24M → 40K463-59#27221#27280
40K → 25.2M510-5#27280#27285
25.2M → Finish1910+9#27285#27276
TOTALS8391060-221
📊

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