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BOSTON MARATHON 2025

Emily Cerier

Bib: 13604•F

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 21%
Division (F18-39)
#0 / 5469
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:54
Rank: #13918
Start → 5K
23:54 | 7:42/mi
10K· 6.21 mi
48:12
Rank: #14391 (-473)
5K → 10K
24:18 | 7:49/mi
15K· 9.32 mi
1:12:22
Rank: #14327 (+64)
10K → 15K
24:10 | 7:47/mi
20K· 12.43 mi
1:36:39
Rank: #14065 (+262)
15K → 20K
24:17 | 7:49/mi
Half· 13.11 mi
1:41:57
Rank: #14047 (+18)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:00:58
Rank: #13781 (+266)
Half → 25K
19:01 | 7:51/mi
30K· 18.64 mi
2:25:08
Rank: #12953 (+828)
25K → 30K
24:10 | 7:47/mi
20M
2:35:44
Rank: #12619 (+334)
30K → 20M
10:36 | 7:48/mi
21M
2:43:36
Rank: #12223 (+396)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:48:58
Rank: #11969 (+254)
21M → 35K
5:22 | 7:10/mi
23M
2:58:13
Rank: #11541 (+428)
35K → 23M
9:15 | 7:23/mi
24M
3:05:20
Rank: #11178 (+363)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
3:11:31
Rank: #10899 (+279)
24M → 40K
6:11 | 7:14/mi
25.2M
3:14:16
Rank: #10810 (+89)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:21:38
Rank: #10628 (+182)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:41:57
Pace7:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:39:41
Pace7:36 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2623:547:4223:54
7:42
-
10K
6.21 mi11:18:4448:127:4524:18
7:49
+0:07
15K
9.32 mi11:42:541:12:227:4624:10
7:47
-0:02
20K
12.43 mi12:07:111:36:397:4724:17
7:49
+0:02
Half
13.11 mi12:12:291:41:577:475:18
7:46
-0:03
25K
15.53 mi12:31:302:00:587:4719:01
7:51
+0:05
30K
18.64 mi12:55:402:25:087:4724:10
7:47
-0:04
20M
20.00 mi13:06:162:35:447:4710:36
7:48
+0:01
21M
21.00 mi13:14:082:43:367:477:52
7:52
+0:04
35K
21.75 mi13:19:302:48:587:465:22
7:10
-0:42
23M
23.00 mi13:28:452:58:137:459:15
7:23
+0:13
24M
24.00 mi13:35:523:05:207:437:07
7:07
-0:16
40K
24.85 mi13:42:033:11:317:426:11
7:14
+0:07
25.2M
25.20 mi13:44:483:14:167:432:45
7:58
+0:44
Finish
26.22 mi13:52:103:21:387:427:22
7:14
-0:44

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

7:07 /mi

Average Pace

7:42 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:00

85% of race

Time at Steady Pace

29:38

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:41 /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 mi10:54:2623:547:4223:54
7:42
#13918
10K
6.21 mi11:18:4448:127:4524:18
7:49
#14391
15K
9.32 mi11:42:541:12:227:4624:10
7:47
#14327
20K
12.43 mi12:07:111:36:397:4724:17
7:49
#14065
Half
13.11 mi12:12:291:41:577:475:18
7:46
#14047
25K
15.53 mi12:31:302:00:587:4719:01
7:51
#13781
30K
18.64 mi12:55:402:25:087:4724:10
7:47
#12953
20M
20.00 mi13:06:162:35:447:4710:36
7:48
#12619
21M
21.00 mi13:14:082:43:367:477:52
7:52
#12223
35K
21.75 mi13:19:302:48:587:465:22
7:10
#11969
23M
23.00 mi13:28:452:58:137:459:15
7:23
#11541
24M
24.00 mi13:35:523:05:207:437:07
7:07
#11178
40K
24.85 mi13:42:033:11:317:426:11
7:14
#10899
25.2M
25.20 mi13:44:483:14:167:432:45
7:58
#10810
Finish
26.22 mi13:52:103:21:387:427:22
7:14
#10628
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi139183850385014181(Top 50%)4120(Top 34%)4120(Top 75%)
10K6.21 mi3.10 mi14391-4734164-3144164-31415010(Top 53%)4539(Top 37%)4539(Top 83%)
15K9.32 mi3.11 mi14327+644152+124152+1214181(Top 50%)4120(Top 34%)4120(Top 75%)
20K12.43 mi3.11 mi14065+2624039+1134039+11313407(Top 47%)3759(Top 31%)3759(Top 69%)
Half13.11 mi0.68 mi14047+184030+94030+913986(Top 49%)4019(Top 33%)4019(Top 73%)
25K15.53 mi2.42 mi13781+2663917+1133917+11312688(Top 45%)3485(Top 29%)3485(Top 64%)
30K18.64 mi3.11 mi12953+8283523+3943523+3949787(Top 34%)2189(Top 18%)2189(Top 40%)
20M20.00 mi1.36 mi12619+3343370+1533370+1539061(Top 32%)2016(Top 16%)2016(Top 37%)
21M21.00 mi1.00 mi12223+3963193+1773193+1776625(Top 23%)1169(Top 10%)1169(Top 21%)
35K21.75 mi0.75 mi11969+2543077+1163077+1166500(Top 23%)1116(Top 9%)1116(Top 20%)
23M23.00 mi1.25 mi11541+4282901+1762901+1766029(Top 21%)1039(Top 8%)1039(Top 19%)
24M24.00 mi1.00 mi11178+3632749+1522749+1525351(Top 19%)852(Top 7%)852(Top 16%)
40K24.85 mi0.85 mi10899+2792638+1112638+1115283(Top 19%)882(Top 7%)882(Top 16%)
25.2M25.20 mi0.35 mi10810+892604+342604+345912(Top 21%)1238(Top 10%)1238(Top 23%)
Finish26.22 mi1.02 mi10628+1822535+692535+697267(Top 26%)1766(Top 14%)1766(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

14181

Females

4120

F18-39

4120

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

15010

Females

4539

F18-39

4539

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

14181

Females

4120

F18-39

4120

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13407

Females

3759

F18-39

3759

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13986

Females

4019

F18-39

4019

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12688

Females

3485

F18-39

3485

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9787

Females

2189

F18-39

2189

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

9061

Females

2016

F18-39

2016

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6625

Females

1169

F18-39

1169

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6500

Females

1116

F18-39

1116

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6029

Females

1039

F18-39

1039

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5351

Females

852

F18-39

852

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5283

Females

882

F18-39

882

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5912

Females

1238

F18-39

1238

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7267

Females

1766

F18-39

1766

Passing Analysis

Category:
Athletes Passed
4264
Passed By
974
Net Change
+3290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13918
5K → 10K126599-473#13918#14391
10K → 15K231167+64#14391#14327
15K → 20K34684+262#14327#14065
20K → Half4830+18#14065#14047
Half → 25K31953+266#14047#13781
25K → 30K8335+828#13781#12953
30K → 20M3428+334#12953#12619
20M → 21M3971+396#12619#12223
21M → 35K2551+254#12223#11969
35K → 23M4291+428#11969#11541
23M → 24M3652+363#11541#11178
24M → 40K2790+279#11178#10899
40K → 25.2M945+89#10899#10810
25.2M → Finish20018+182#10810#10628
TOTALS4264974+3290
📊

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