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BOSTON MARATHON 2025

Shannon Cebron

Bib: 8604•F

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:43
Rank: #5183
Start → 5K
20:43 | 6:40/mi
10K· 6.21 mi
41:03
Rank: #4565 (+618)
5K → 10K
20:20 | 6:33/mi
15K· 9.32 mi
1:01:33
Rank: #4433 (+132)
10K → 15K
20:30 | 6:36/mi
20K· 12.43 mi
1:22:14
Rank: #4317 (+116)
15K → 20K
20:41 | 6:39/mi
Half· 13.11 mi
1:26:40
Rank: #4263 (+54)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:43:35
Rank: #4536 (-273)
Half → 25K
16:55 | 6:59/mi
30K· 18.64 mi
2:07:07
Rank: #5333 (-797)
25K → 30K
23:32 | 7:34/mi
20M
2:17:46
Rank: #5660 (-327)
30K → 20M
10:39 | 7:50/mi
21M
2:26:44
Rank: #6005 (-345)
20M → 21M
8:58 | 8:58/mi
35K· 21.75 mi
2:32:03
Rank: #5982 (+23)
21M → 35K
5:19 | 7:06/mi
23M
2:41:41
Rank: #5980 (+2)
35K → 23M
9:38 | 7:42/mi
24M
2:49:03
Rank: #5976 (+4)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
2:55:15
Rank: #5896 (+80)
24M → 40K
6:12 | 7:15/mi
25.2M
2:58:13
Rank: #5906 (-10)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:05:28
Rank: #5843 (+63)
25.2M → Finish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:40
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:38:48
Pace7:32 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:5820:436:4020:43
6:40
-
10K
6.21 mi11:06:1841:036:3620:20
6:33
-0:07
15K
9.32 mi11:26:481:01:336:3620:30
6:36
+0:03
20K
12.43 mi11:47:291:22:146:3720:41
6:39
+0:03
Half
13.11 mi11:51:551:26:406:374:26
6:30
-0:09
25K
15.53 mi12:08:501:43:356:4016:55
6:59
+0:29
30K
18.64 mi12:32:222:07:076:4923:32
7:34
+0:35
20M
20.00 mi12:43:012:17:466:5310:39
7:50
+0:16
21M
21.00 mi12:51:592:26:446:598:58
8:58
+1:08
35K
21.75 mi12:57:182:32:036:595:19
7:06
-1:52
23M
23.00 mi13:06:562:41:417:029:38
7:42
+0:36
24M
24.00 mi13:14:182:49:037:037:22
7:22
-0:20
40K
24.85 mi13:20:302:55:157:036:12
7:15
-0:07
25.2M
25.20 mi13:23:282:58:137:042:58
8:36
+1:21
Finish
26.22 mi13:30:433:05:287:057:15
7:07
-1:29

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

6:30 /mi

Average Pace

7:05 /mi

Slowest Pace

8:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:40

47% of race

Time at Steady Pace

43:03

23% of race

Time at Slower Pace

55:45

30% of race

Average Pace: 7:04 /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 mi10:45:5820:436:4020:43
6:40
#5183
10K
6.21 mi11:06:1841:036:3620:20
6:33
#4565
15K
9.32 mi11:26:481:01:336:3620:30
6:36
#4433
20K
12.43 mi11:47:291:22:146:3720:41
6:39
#4317
Half
13.11 mi11:51:551:26:406:374:26
6:30
#4263
25K
15.53 mi12:08:501:43:356:4016:55
6:59
#4536
30K
18.64 mi12:32:222:07:076:4923:32
7:34
#5333
20M
20.00 mi12:43:012:17:466:5310:39
7:50
#5660
21M
21.00 mi12:51:592:26:446:598:58
8:58
#6005
35K
21.75 mi12:57:182:32:036:595:19
7:06
#5982
23M
23.00 mi13:06:562:41:417:029:38
7:42
#5980
24M
24.00 mi13:14:182:49:037:037:22
7:22
#5976
40K
24.85 mi13:20:302:55:157:036:12
7:15
#5896
25.2M
25.20 mi13:23:282:58:137:042:58
8:36
#5906
Finish
26.22 mi13:30:433:05:287:057:15
7:07
#5843
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi51833463464229(Top 15%)247(Top 2%)247(Top 5%)
10K6.21 mi3.10 mi4565+618272+74272+744055(Top 14%)233(Top 2%)233(Top 4%)
15K9.32 mi3.11 mi4433+132257+15257+154229(Top 15%)247(Top 2%)247(Top 5%)
20K12.43 mi3.11 mi4317+116254+3254+34087(Top 14%)245(Top 2%)245(Top 4%)
Half13.11 mi0.68 mi4263+54247+7247+73742(Top 13%)209(Top 2%)209(Top 4%)
25K15.53 mi2.42 mi4536-273287-40287-406193(Top 22%)642(Top 5%)642(Top 12%)
30K18.64 mi3.11 mi5333-797426-139426-1398262(Top 29%)1490(Top 12%)1490(Top 27%)
20M20.00 mi1.36 mi5660-327487-61487-619284(Top 33%)2102(Top 17%)2102(Top 38%)
21M21.00 mi1.00 mi6005-345584-97584-9713308(Top 47%)4261(Top 35%)4261(Top 78%)
35K21.75 mi0.75 mi5982+23588-4588-46053(Top 21%)932(Top 8%)932(Top 17%)
23M23.00 mi1.25 mi5980+2601-13601-137872(Top 28%)1760(Top 14%)1760(Top 32%)
24M24.00 mi1.00 mi5976+4619-18619-186841(Top 24%)1385(Top 11%)1385(Top 25%)
40K24.85 mi0.85 mi5896+80616+3616+35399(Top 19%)893(Top 7%)893(Top 16%)
25.2M25.20 mi0.35 mi5906-10627-11627-119445(Top 33%)2722(Top 22%)2722(Top 50%)
Finish26.22 mi1.02 mi5843+63631-4631-46484(Top 23%)1427(Top 12%)1427(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4229

Females

247

F18-39

247

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

4055

Females

233

F18-39

233

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4229

Females

247

F18-39

247

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

4087

Females

245

F18-39

245

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3742

Females

209

F18-39

209

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6193

Females

642

F18-39

642

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8262

Females

1490

F18-39

1490

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9284

Females

2102

F18-39

2102

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13308

Females

4261

F18-39

4261

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

6053

Females

932

F18-39

932

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7872

Females

1760

F18-39

1760

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6841

Females

1385

F18-39

1385

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5399

Females

893

F18-39

893

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9445

Females

2722

F18-39

2722

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6484

Females

1427

F18-39

1427

Passing Analysis

Category:
Athletes Passed
1551
Passed By
2211
Net Change
-660
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5183
5K → 10K63719+618#5183#4565
10K → 15K17846+132#4565#4433
15K → 20K15943+116#4433#4317
20K → Half584+54#4317#4263
Half → 25K43316-273#4263#4536
25K → 30K38835-797#4536#5333
30K → 20M20347-327#5333#5660
20M → 21M14359-345#5660#6005
21M → 35K5431+23#6005#5982
35K → 23M8482+2#5982#5980
23M → 24M5349+4#5980#5976
24M → 40K9818+80#5976#5896
40K → 25.2M2333-10#5896#5906
25.2M → Finish9229+63#5906#5843
TOTALS15512211-660
📊

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