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BOSTON MARATHON 2025

Sophie Cemaj

Bib: 17426•F

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 28%
Division (F18-39)
#0 / 5469
Top 46%
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
8:14/mi
25:34
↑ 97↓ 3451.5%
10K· 6.21 mi
8:00/mi
50:25
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:14:58
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:39:34
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:44:55
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
2:03:46
↑ 66↓ 880.2%
30K· 18.64 mi
7:50/mi
2:28:07
↑ 181↓ 1480.2%
20M
7:55/mi
2:38:52
↑ 64↓ 500.2%
21M
8:10/mi
2:47:02
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:52:37
↑ 17↓ 861.7%
23M
7:54/mi
3:02:30
↑ 23↓ 630.6%
24M
7:47/mi
3:10:17
↓ 821.3%
40K· 24.85 mi
7:49/mi
3:16:58
↓ 200.3%
25.2M
8:16/mi
3:19:49
↑ 13↓ 160.2%
Finish· 26.22 mi
7:02/mi
3:26:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:44:55
Pace8:00 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:04
Pace7:47 /mi
📊Negative Split: 2.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1625:348:1425:34
8:14
-
10K
6.21 mi11:41:0750:258:0724:51
8:00
-0:14
15K
9.32 mi12:05:401:14:588:0324:33
7:54
-0:06
20K
12.43 mi12:30:161:39:348:0124:36
7:55
+0:01
Half
13.11 mi12:35:371:44:558:005:21
7:50
-0:05
25K
15.53 mi12:54:282:03:467:5818:51
7:46
-0:04
30K
18.64 mi13:18:492:28:077:5724:21
7:50
+0:04
20M
20.00 mi13:29:342:38:527:5710:45
7:55
+0:05
21M
21.00 mi13:37:442:47:027:578:10
8:10
+0:15
35K
21.75 mi13:43:192:52:377:565:35
7:28
-0:42
23M
23.00 mi13:53:123:02:307:569:53
7:54
+0:26
24M
24.00 mi14:00:593:10:177:567:47
7:47
-0:07
40K
24.85 mi14:07:403:16:587:556:41
7:49
+0:02
25.2M
25.20 mi14:10:313:19:497:562:51
8:16
+0:27
Finish
26.22 mi14:17:413:26:597:547:10
7:02
-1:14

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

7:02 /mi

Average Pace

7:54 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:45

6% of race

Time at Steady Pace

3:14:14

94% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi11:16:1625:348:1425:34
8:14
#18289
10K
6.21 mi11:41:0750:258:0724:51
8:00
#17356
15K
9.32 mi12:05:401:14:588:0324:33
7:54
#16657
20K
12.43 mi12:30:161:39:348:0124:36
7:55
#16020
Half
13.11 mi12:35:371:44:558:005:21
7:50
#15942
25K
15.53 mi12:54:282:03:467:5818:51
7:46
#15306
30K
18.64 mi13:18:492:28:077:5724:21
7:50
#14245
20M
20.00 mi13:29:342:38:527:5710:45
7:55
#13860
21M
21.00 mi13:37:442:47:027:578:10
8:10
#13509
35K
21.75 mi13:43:192:52:377:565:35
7:28
#13308
23M
23.00 mi13:53:123:02:307:569:53
7:54
#13040
24M
24.00 mi14:00:593:10:177:567:47
7:47
#12860
40K
24.85 mi14:07:403:16:587:556:41
7:49
#12689
25.2M
25.20 mi14:10:313:19:497:562:51
8:16
#12584
Finish
26.22 mi14:17:413:26:597:547:10
7:02
#12273
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi182896517651715248(Top 54%)4717(Top 39%)4717(Top 86%)
10K6.21 mi3.10 mi17356+9335942+5755942+57516468(Top 58%)5398(Top 44%)5398(Top 99%)
15K9.32 mi3.11 mi16657+6995517+4255517+42515248(Top 54%)4717(Top 39%)4717(Top 86%)
20K12.43 mi3.11 mi16020+6375161+3565161+35614259(Top 50%)4223(Top 35%)4223(Top 77%)
Half13.11 mi0.68 mi15942+785114+475114+4714618(Top 51%)4385(Top 36%)4385(Top 80%)
25K15.53 mi2.42 mi15306+6364776+3384776+33812157(Top 43%)3199(Top 26%)3199(Top 58%)
30K18.64 mi3.11 mi14245+10614247+5294247+52910218(Top 36%)2394(Top 20%)2394(Top 44%)
20M20.00 mi1.36 mi13860+3854063+1844063+1849864(Top 35%)2389(Top 20%)2389(Top 44%)
21M21.00 mi1.00 mi13509+3513895+1683895+1688420(Top 30%)1916(Top 16%)1916(Top 35%)
35K21.75 mi0.75 mi13308+2013799+963799+968443(Top 30%)1884(Top 15%)1884(Top 34%)
23M23.00 mi1.25 mi13040+2683692+1073692+1079291(Top 33%)2407(Top 20%)2407(Top 44%)
24M24.00 mi1.00 mi12860+1803624+683624+689728(Top 34%)2682(Top 22%)2682(Top 49%)
40K24.85 mi0.85 mi12689+1713554+703554+708938(Top 31%)2435(Top 20%)2435(Top 45%)
25.2M25.20 mi0.35 mi12584+1053513+413513+417558(Top 27%)1898(Top 16%)1898(Top 35%)
Finish26.22 mi1.02 mi12273+3113392+1213392+1216002(Top 21%)1265(Top 10%)1265(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15248

Females

4717

F18-39

4717

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

16468

Females

5398

F18-39

5398

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15248

Females

4717

F18-39

4717

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14259

Females

4223

F18-39

4223

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

14618

Females

4385

F18-39

4385

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12157

Females

3199

F18-39

3199

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

10218

Females

2394

F18-39

2394

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9864

Females

2389

F18-39

2389

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8420

Females

1916

F18-39

1916

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8443

Females

1884

F18-39

1884

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

9291

Females

2407

F18-39

2407

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9728

Females

2682

F18-39

2682

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8938

Females

2435

F18-39

2435

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7558

Females

1898

F18-39

1898

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

6002

Females

1265

F18-39

1265

Passing Analysis

Category:
Athletes Passed
6134
Passed By
118
Net Change
+6016
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18289
5K → 10K97643+933#18289#17356
10K → 15K71718+699#17356#16657
15K → 20K65114+637#16657#16020
20K → Half835+78#16020#15942
Half → 25K6393+636#15942#15306
25K → 30K10610+1061#15306#14245
30K → 20M3883+385#14245#13860
20M → 21M3543+351#13860#13509
21M → 35K2032+201#13509#13308
35K → 23M2768+268#13308#13040
23M → 24M1899+180#13040#12860
24M → 40K1798+171#12860#12689
40K → 25.2M1050+105#12689#12584
25.2M → Finish3132+311#12584#12273
TOTALS6134118+6016
📊

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