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BOSTON MARATHON 2025

Stefana Cerovina

Bib: 11962•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 16%
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
7:01/mi
21:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:00/mi
43:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:05:44
↑ 67↓ 78
20K· 12.43 mi
7:10/mi
1:28:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:32:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:12/mi
1:50:19
↑ 66↓ 880.2%
30K· 18.64 mi
7:30/mi
2:13:37
↑ 181↓ 1480.2%
20M
7:33/mi
2:23:52
↑ 64↓ 500.2%
21M
8:02/mi
2:31:54
↑ 106↓ 241.6%
35K· 21.75 mi
7:09/mi
2:37:15
↑ 17↓ 861.7%
23M
7:30/mi
2:46:39
↑ 23↓ 630.6%
24M
7:21/mi
2:54:00
↓ 821.3%
40K· 24.85 mi
7:27/mi
3:00:22
↓ 200.3%
25.2M
8:13/mi
3:03:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:12/mi
3:10:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:52
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:37:40
Pace7:27 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0921:497:0121:49
7:01
-
10K
6.21 mi11:11:5543:357:0121:46
7:00
-0:01
15K
9.32 mi11:34:041:05:447:0322:09
7:08
+0:08
20K
12.43 mi11:56:211:28:017:0522:17
7:10
+0:02
Half
13.11 mi12:01:121:32:527:054:51
7:07
-0:03
25K
15.53 mi12:18:391:50:197:0617:27
7:12
+0:05
30K
18.64 mi12:41:572:13:377:1023:18
7:30
+0:18
20M
20.00 mi12:52:122:23:527:1210:15
7:33
+0:03
21M
21.00 mi13:00:142:31:547:148:02
8:02
+0:29
35K
21.75 mi13:05:352:37:157:145:21
7:09
-0:53
23M
23.00 mi13:14:592:46:397:159:24
7:30
+0:21
24M
24.00 mi13:22:202:54:007:157:21
7:21
-0:09
40K
24.85 mi13:28:423:00:227:156:22
7:27
+0:06
25.2M
25.20 mi13:31:323:03:127:162:50
8:13
+0:46
Finish
26.22 mi13:38:523:10:327:167:20
7:12
-1:01

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

7:00 /mi

Average Pace

7:16 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:40

94% of race

Time at Steady Pace

10:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi10:50:0921:497:0121:49
7:01
#8012
10K
6.21 mi11:11:5543:357:0121:46
7:00
#7962
15K
9.32 mi11:34:041:05:447:0322:09
7:08
#8139
20K
12.43 mi11:56:211:28:017:0522:17
7:10
#8054
Half
13.11 mi12:01:121:32:527:054:51
7:07
#8059
25K
15.53 mi12:18:391:50:197:0617:27
7:12
#7938
30K
18.64 mi12:41:572:13:377:1023:18
7:30
#7809
20M
20.00 mi12:52:122:23:527:1210:15
7:33
#7697
21M
21.00 mi13:00:142:31:547:148:02
8:02
#7628
35K
21.75 mi13:05:352:37:157:145:21
7:09
#7543
23M
23.00 mi13:14:592:46:397:159:24
7:30
#7424
24M
24.00 mi13:22:202:54:007:157:21
7:21
#7355
40K
24.85 mi13:28:423:00:227:156:22
7:27
#7278
25.2M
25.20 mi13:31:323:03:127:162:50
8:13
#7250
Finish
26.22 mi13:38:523:10:327:167:20
7:12
#7212
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi80129879878549(Top 30%)1245(Top 10%)1245(Top 23%)
10K6.21 mi3.10 mi7962+50982+5982+57968(Top 28%)993(Top 8%)993(Top 18%)
15K9.32 mi3.11 mi8139-1771059-771059-778549(Top 30%)1245(Top 10%)1245(Top 23%)
20K12.43 mi3.11 mi8054+851044+151044+157994(Top 28%)1101(Top 9%)1101(Top 20%)
Half13.11 mi0.68 mi8059-51050-61050-68392(Top 30%)1230(Top 10%)1230(Top 22%)
25K15.53 mi2.42 mi7938+1211025+251025+257613(Top 27%)1074(Top 9%)1074(Top 20%)
30K18.64 mi3.11 mi7809+1291032-71032-77741(Top 27%)1286(Top 11%)1286(Top 24%)
20M20.00 mi1.36 mi7697+1121021+111021+117320(Top 26%)1266(Top 10%)1266(Top 23%)
21M21.00 mi1.00 mi7628+691036-151036-157546(Top 27%)1526(Top 12%)1526(Top 28%)
35K21.75 mi0.75 mi7543+851037-11037-16335(Top 22%)1043(Top 9%)1043(Top 19%)
23M23.00 mi1.25 mi7424+1191032+51032+56676(Top 24%)1251(Top 10%)1251(Top 23%)
24M24.00 mi1.00 mi7355+691043-111043-116742(Top 24%)1351(Top 11%)1351(Top 25%)
40K24.85 mi0.85 mi7278+771041+21041+26503(Top 23%)1331(Top 11%)1331(Top 24%)
25.2M25.20 mi0.35 mi7250+281046-51046-57191(Top 25%)1707(Top 14%)1707(Top 31%)
Finish26.22 mi1.02 mi7212+381056-101056-107041(Top 25%)1659(Top 14%)1659(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8549

Females

1245

F18-39

1245

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7968

Females

993

F18-39

993

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8549

Females

1245

F18-39

1245

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7994

Females

1101

F18-39

1101

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8392

Females

1230

F18-39

1230

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7613

Females

1074

F18-39

1074

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7741

Females

1286

F18-39

1286

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7320

Females

1266

F18-39

1266

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7546

Females

1526

F18-39

1526

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6335

Females

1043

F18-39

1043

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6676

Females

1251

F18-39

1251

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6742

Females

1351

F18-39

1351

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6503

Females

1331

F18-39

1331

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7191

Females

1707

F18-39

1707

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

7041

Females

1659

F18-39

1659

Passing Analysis

Category:
Athletes Passed
1813
Passed By
1013
Net Change
+800
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8012
5K → 10K242192+50#8012#7962
10K → 15K93270-177#7962#8139
15K → 20K18398+85#8139#8054
20K → Half2530-5#8054#8059
Half → 25K17857+121#8059#7938
25K → 30K254125+129#7938#7809
30K → 20M14028+112#7809#7697
20M → 21M12354+69#7697#7628
21M → 35K10419+85#7628#7543
35K → 23M15435+119#7543#7424
23M → 24M10031+69#7424#7355
24M → 40K10225+77#7355#7278
40K → 25.2M4416+28#7278#7250
25.2M → Finish7133+38#7250#7212
TOTALS18131013+800
📊

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