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BOSTON MARATHON 2025

Ariana Rozen

Bib: 15462•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 34%
Division (F18-39)
#0 / 5469
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
7:53/mi
24:29
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
49:36
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:14:51
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:41:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:46:43
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
2:06:32
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:31:58
↑ 181↓ 1480.2%
20M
8:09/mi
2:43:03
↑ 64↓ 500.2%
21M
8:28/mi
2:51:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:57:35
↑ 17↓ 861.7%
23M
8:05/mi
3:07:42
↑ 23↓ 630.6%
24M
7:34/mi
3:15:16
↓ 821.3%
40K· 24.85 mi
7:36/mi
3:21:46
↓ 200.3%
25.2M
8:19/mi
3:24:38
↑ 13↓ 160.2%
Finish· 26.22 mi
7:14/mi
3:32:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:46:43
Pace8:08 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:45:17
Pace8:02 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3224:297:5324:29
7:53
-
10K
6.21 mi11:22:3949:367:5925:07
8:05
+0:12
15K
9.32 mi11:47:541:14:518:0225:15
8:08
+0:03
20K
12.43 mi12:14:201:41:178:0926:26
8:30
+0:22
Half
13.11 mi12:19:461:46:438:085:26
7:58
-0:32
25K
15.53 mi12:39:352:06:328:0919:49
8:10
+0:12
30K
18.64 mi13:05:012:31:588:0925:26
8:11
+0:01
20M
20.00 mi13:16:062:43:038:0911:05
8:09
-0:02
21M
21.00 mi13:24:342:51:318:108:28
8:28
+0:19
35K
21.75 mi13:30:382:57:358:106:04
8:07
-0:21
23M
23.00 mi13:40:453:07:428:1010:07
8:05
-0:02
24M
24.00 mi13:48:193:15:168:087:34
7:34
-0:31
40K
24.85 mi13:54:493:21:468:076:30
7:36
+0:02
25.2M
25.20 mi13:57:413:24:388:072:52
8:19
+0:43
Finish
26.22 mi14:05:033:32:008:057:22
7:14
-1:05

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

7:14 /mi

Average Pace

8:05 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:55

22% of race

Time at Steady Pace

2:46:05

78% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:05 /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 mi10:57:3224:297:5324:29
7:53
#15519
10K
6.21 mi11:22:3949:367:5925:07
8:05
#16363
15K
9.32 mi11:47:541:14:518:0225:15
8:08
#16567
20K
12.43 mi12:14:201:41:178:0926:26
8:30
#17034
Half
13.11 mi12:19:461:46:438:085:26
7:58
#16959
25K
15.53 mi12:39:352:06:328:0919:49
8:10
#16602
30K
18.64 mi13:05:012:31:588:0925:26
8:11
#15884
20M
20.00 mi13:16:062:43:038:0911:05
8:09
#15499
21M
21.00 mi13:24:342:51:318:108:28
8:28
#15156
35K
21.75 mi13:30:382:57:358:106:04
8:07
#15059
23M
23.00 mi13:40:453:07:428:1010:07
8:05
#14742
24M
24.00 mi13:48:193:15:168:087:34
7:34
#14451
40K
24.85 mi13:54:493:21:468:076:30
7:36
#14178
25.2M
25.20 mi13:57:413:24:388:072:52
8:19
#14055
Finish
26.22 mi14:05:033:32:008:057:22
7:14
#13753
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi155194841484116927(Top 60%)5688(Top 47%)5688(Top 104%)
10K6.21 mi3.10 mi16363-8445357-5165357-51617087(Top 60%)5752(Top 47%)5752(Top 105%)
15K9.32 mi3.11 mi16567-2045464-1075464-10716927(Top 60%)5688(Top 47%)5688(Top 104%)
20K12.43 mi3.11 mi17034-4675761-2975761-29718308(Top 64%)6501(Top 53%)6501(Top 119%)
Half13.11 mi0.68 mi16959+755719+425719+4215629(Top 55%)4949(Top 40%)4949(Top 90%)
25K15.53 mi2.42 mi16602+3575525+1945525+19415125(Top 53%)4797(Top 39%)4797(Top 88%)
30K18.64 mi3.11 mi15884+7185157+3685157+36812745(Top 45%)3693(Top 30%)3693(Top 68%)
20M20.00 mi1.36 mi15499+3854970+1874970+18711545(Top 41%)3214(Top 26%)3214(Top 59%)
21M21.00 mi1.00 mi15156+3434812+1584812+15810294(Top 36%)2769(Top 23%)2769(Top 51%)
35K21.75 mi0.75 mi15059+974773+394773+3913026(Top 46%)4174(Top 34%)4174(Top 76%)
23M23.00 mi1.25 mi14742+3174623+1504623+15010655(Top 38%)3073(Top 25%)3073(Top 56%)
24M24.00 mi1.00 mi14451+2914485+1384485+1388228(Top 29%)1982(Top 16%)1982(Top 36%)
40K24.85 mi0.85 mi14178+2734377+1084377+1087492(Top 26%)1770(Top 14%)1770(Top 32%)
25.2M25.20 mi0.35 mi14055+1234318+594318+597829(Top 28%)2018(Top 17%)2018(Top 37%)
Finish26.22 mi1.02 mi13753+3024188+1304188+1307286(Top 26%)1785(Top 15%)1785(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16927

Females

5688

F18-39

5688

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

17087

Females

5752

F18-39

5752

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16927

Females

5688

F18-39

5688

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18308

Females

6501

F18-39

6501

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15629

Females

4949

F18-39

4949

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

15125

Females

4797

F18-39

4797

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12745

Females

3693

F18-39

3693

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11545

Females

3214

F18-39

3214

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10294

Females

2769

F18-39

2769

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

13026

Females

4174

F18-39

4174

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10655

Females

3073

F18-39

3073

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

8228

Females

1982

F18-39

1982

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7492

Females

1770

F18-39

1770

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7829

Females

2018

F18-39

2018

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

7286

Females

1785

F18-39

1785

Passing Analysis

Category:
Athletes Passed
3653
Passed By
1887
Net Change
+1766
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15519
5K → 10K88932-844#15519#16363
10K → 15K148352-204#16363#16567
15K → 20K80547-467#16567#17034
20K → Half827+75#17034#16959
Half → 25K37114+357#16959#16602
25K → 30K7224+718#16602#15884
30K → 20M3894+385#15884#15499
20M → 21M3452+343#15499#15156
21M → 35K11013+97#15156#15059
35K → 23M3269+317#15059#14742
23M → 24M2921+291#14742#14451
24M → 40K2730+273#14451#14178
40K → 25.2M1241+123#14178#14055
25.2M → Finish3031+302#14055#13753
TOTALS36531887+1766
📊

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