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BOSTON MARATHON 2025

Andrea Zmaj

Bib: 12570•F

GA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 33%
Gender (Female)
#0 / 12228
Top 16%
Division (F18-39)
#0 / 5469
Top 29%
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
7:04/mi
21:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:01/mi
43:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:10/mi
1:06:01
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:29:23
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:34:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:52:47
↑ 66↓ 880.2%
30K· 18.64 mi
7:41/mi
2:16:40
↑ 181↓ 1480.2%
20M
7:48/mi
2:27:16
↑ 64↓ 500.2%
21M
8:25/mi
2:35:41
↑ 106↓ 241.6%
35K· 21.75 mi
7:41/mi
2:41:26
↑ 17↓ 861.7%
23M
8:10/mi
2:51:39
↑ 23↓ 630.6%
24M
8:04/mi
2:59:43
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:06:54
↓ 200.3%
25.2M
9:02/mi
3:10:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:42/mi
3:17:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:19
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:43:33
Pace7:54 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3021:577:0421:57
7:04
-
10K
6.21 mi11:11:1843:457:0221:48
7:01
-0:03
15K
9.32 mi11:33:341:06:017:0522:16
7:10
+0:09
20K
12.43 mi11:56:561:29:237:1223:22
7:31
+0:21
Half
13.11 mi12:01:521:34:197:124:56
7:14
-0:17
25K
15.53 mi12:20:201:52:477:1618:28
7:37
+0:23
30K
18.64 mi12:44:132:16:407:2023:53
7:41
+0:04
20M
20.00 mi12:54:492:27:167:2210:36
7:48
+0:07
21M
21.00 mi13:03:142:35:417:258:25
8:25
+0:37
35K
21.75 mi13:08:592:41:267:255:45
7:41
-0:44
23M
23.00 mi13:19:122:51:397:2810:13
8:10
+0:29
24M
24.00 mi13:27:162:59:437:298:04
8:04
-0:06
40K
24.85 mi13:34:273:06:547:317:11
8:24
+0:20
25.2M
25.20 mi13:37:343:10:017:323:07
9:02
+0:38
Finish
26.22 mi13:45:253:17:527:337:51
7:42
-1:20

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

7:01 /mi

Average Pace

7:33 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:57

36% of race

Time at Steady Pace

1:29:55

45% of race

Time at Slower Pace

37:00

19% of race

Average Pace: 7:33 /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 mi10:49:3021:577:0421:57
7:04
#8366
10K
6.21 mi11:11:1843:457:0221:48
7:01
#8187
15K
9.32 mi11:33:341:06:017:0522:16
7:10
#8360
20K
12.43 mi11:56:561:29:237:1223:22
7:31
#8917
Half
13.11 mi12:01:521:34:197:124:56
7:14
#8933
25K
15.53 mi12:20:201:52:477:1618:28
7:37
#9220
30K
18.64 mi12:44:132:16:407:2023:53
7:41
#9123
20M
20.00 mi12:54:492:27:167:2210:36
7:48
#9094
21M
21.00 mi13:03:142:35:417:258:25
8:25
#9109
35K
21.75 mi13:08:592:41:267:255:45
7:41
#9115
23M
23.00 mi13:19:122:51:397:2810:13
8:10
#9178
24M
24.00 mi13:27:162:59:437:298:04
8:04
#9293
40K
24.85 mi13:34:273:06:547:317:11
8:24
#9419
25.2M
25.20 mi13:37:343:10:017:323:07
9:02
#9453
Finish
26.22 mi13:45:253:17:527:337:51
7:42
#9471
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8366112311238857(Top 31%)1369(Top 11%)1369(Top 25%)
10K6.21 mi3.10 mi8187+1791065+581065+588051(Top 28%)1030(Top 8%)1030(Top 19%)
15K9.32 mi3.11 mi8360-1731145-801145-808857(Top 31%)1369(Top 11%)1369(Top 25%)
20K12.43 mi3.11 mi8917-5571380-2351380-23510951(Top 39%)2444(Top 20%)2444(Top 45%)
Half13.11 mi0.68 mi8933-161390-101390-109462(Top 33%)1705(Top 14%)1705(Top 31%)
25K15.53 mi2.42 mi9220-2871549-1591549-15910913(Top 38%)2535(Top 21%)2535(Top 46%)
30K18.64 mi3.11 mi9123+971564-151564-159116(Top 32%)1893(Top 15%)1893(Top 35%)
20M20.00 mi1.36 mi9094+291578-141578-149045(Top 32%)2000(Top 16%)2000(Top 37%)
21M21.00 mi1.00 mi9109-151621-431621-439966(Top 35%)2589(Top 21%)2589(Top 47%)
35K21.75 mi0.75 mi9115-61652-311652-319997(Top 35%)2583(Top 21%)2583(Top 47%)
23M23.00 mi1.25 mi9178-631716-641716-6411127(Top 39%)3284(Top 27%)3284(Top 60%)
24M24.00 mi1.00 mi9293-1151796-801796-8011703(Top 41%)3656(Top 30%)3656(Top 67%)
40K24.85 mi0.85 mi9419-1261895-991895-9912807(Top 45%)4327(Top 35%)4327(Top 79%)
25.2M25.20 mi0.35 mi9453-341932-371932-3712023(Top 42%)3964(Top 32%)3964(Top 72%)
Finish26.22 mi1.02 mi9471-181982-501982-5010732(Top 38%)3326(Top 27%)3326(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8857

Females

1369

F18-39

1369

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

8051

Females

1030

F18-39

1030

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8857

Females

1369

F18-39

1369

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10951

Females

2444

F18-39

2444

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9462

Females

1705

F18-39

1705

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10913

Females

2535

F18-39

2535

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9116

Females

1893

F18-39

1893

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

9045

Females

2000

F18-39

2000

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9966

Females

2589

F18-39

2589

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9997

Females

2583

F18-39

2583

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11127

Females

3284

F18-39

3284

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11703

Females

3656

F18-39

3656

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12807

Females

4327

F18-39

4327

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

12023

Females

3964

F18-39

3964

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10732

Females

3326

F18-39

3326

Passing Analysis

Category:
Athletes Passed
1392
Passed By
2497
Net Change
-1105
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8366
5K → 10K317138+179#8366#8187
10K → 15K87260-173#8187#8360
15K → 20K55612-557#8360#8917
20K → Half3450-16#8917#8933
Half → 25K84371-287#8933#9220
25K → 30K267170+97#9220#9123
30K → 20M11990+29#9123#9094
20M → 21M91106-15#9094#9109
21M → 35K5561-6#9109#9115
35K → 23M91154-63#9115#9178
23M → 24M50165-115#9178#9293
24M → 40K40166-126#9293#9419
40K → 25.2M3468-34#9419#9453
25.2M → Finish6886-18#9453#9471
TOTALS13922497-1105
📊

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