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BOSTON MARATHON 2025

Juliana Vieira

Bib: 15432•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Masters (Masters Women)
#0 / 6759
Top 23%
Division (F45-49)
#0 / 1813
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:58
Rank: #16875
Start → 5K
24:58 | 8:02/mi
10K· 6.21 mi
50:03
Rank: #16942 (-67)
5K → 10K
25:05 | 8:04/mi
15K· 9.32 mi
1:15:04
Rank: #16733 (+209)
10K → 15K
25:01 | 8:03/mi
20K· 12.43 mi
1:41:11
Rank: #16982 (-249)
15K → 20K
26:07 | 8:24/mi
Half· 13.11 mi
1:46:37
Rank: #16913 (+69)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:06:13
Rank: #16485 (+428)
Half → 25K
19:36 | 8:05/mi
30K· 18.64 mi
2:32:10
Rank: #15964 (+521)
25K → 30K
25:57 | 8:21/mi
20M
2:43:29
Rank: #15654 (+310)
30K → 20M
11:19 | 8:20/mi
21M
2:52:20
Rank: #15443 (+211)
20M → 21M
8:51 | 8:51/mi
35K· 21.75 mi
2:58:19
Rank: #15297 (+146)
21M → 35K
5:59 | 8:00/mi
23M
3:08:34
Rank: #15013 (+284)
35K → 23M
10:15 | 8:11/mi
24M
3:16:38
Rank: #14835 (+178)
23M → 24M
8:04 | 8:04/mi
40K· 24.85 mi
3:23:33
Rank: #14665 (+170)
24M → 40K
6:55 | 8:05/mi
25.2M
3:26:35
Rank: #14580 (+85)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:34:37
Rank: #14463 (+117)
25.2M → Finish
8:02 | 7:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:37
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:48:00
Pace8:14 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:4724:588:0224:58
8:02
-
10K
6.21 mi11:22:5250:038:0325:05
8:04
+0:02
15K
9.32 mi11:47:531:15:048:0325:01
8:03
-0:01
20K
12.43 mi12:14:001:41:118:0926:07
8:24
+0:21
Half
13.11 mi12:19:261:46:378:085:26
7:58
-0:26
25K
15.53 mi12:39:022:06:138:0819:36
8:05
+0:07
30K
18.64 mi13:04:592:32:108:1025:57
8:21
+0:16
20M
20.00 mi13:16:182:43:298:1011:19
8:20
-0:01
21M
21.00 mi13:25:092:52:208:128:51
8:51
+0:31
35K
21.75 mi13:31:082:58:198:125:59
8:00
-0:51
23M
23.00 mi13:41:233:08:348:1210:15
8:11
+0:11
24M
24.00 mi13:49:273:16:388:128:04
8:04
-0:07
40K
24.85 mi13:56:223:23:338:116:55
8:05
+0:01
25.2M
25.20 mi13:59:243:26:358:123:02
8:48
+0:43
Finish
26.22 mi14:07:263:34:378:118:02
7:53
-0:55

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

7:53 /mi

Average Pace

8:11 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:44

94% of race

Time at Steady Pace

11:53

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi10:57:4724:588:0224:58
8:02
#16875
10K
6.21 mi11:22:5250:038:0325:05
8:04
#16942
15K
9.32 mi11:47:531:15:048:0325:01
8:03
#16733
20K
12.43 mi12:14:001:41:118:0926:07
8:24
#16982
Half
13.11 mi12:19:261:46:378:085:26
7:58
#16913
25K
15.53 mi12:39:022:06:138:0819:36
8:05
#16485
30K
18.64 mi13:04:592:32:108:1025:57
8:21
#15964
20M
20.00 mi13:16:182:43:298:1011:19
8:20
#15654
21M
21.00 mi13:25:092:52:208:128:51
8:51
#15443
35K
21.75 mi13:31:082:58:198:125:59
8:00
#15297
23M
23.00 mi13:41:233:08:348:1210:15
8:11
#15013
24M
24.00 mi13:49:273:16:388:128:04
8:04
#14835
40K
24.85 mi13:56:223:23:338:116:55
8:05
#14665
25.2M
25.20 mi13:59:243:26:358:123:02
8:48
#14580
Finish
26.22 mi14:07:263:34:378:118:02
7:53
#14463
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi168755668566816429(Top 58%)5393(Top 44%)5393(Top 297%)
10K6.21 mi3.10 mi16942-675687-195687-1917020(Top 60%)5712(Top 47%)5712(Top 315%)
15K9.32 mi3.11 mi16733+2095567+1205567+12016429(Top 58%)5393(Top 44%)5393(Top 297%)
20K12.43 mi3.11 mi16982-2495728-1615728-16117588(Top 62%)6100(Top 50%)6100(Top 336%)
Half13.11 mi0.68 mi16913+695687+415687+4115646(Top 55%)4966(Top 41%)4966(Top 274%)
25K15.53 mi2.42 mi16485+4285451+2365451+23614537(Top 51%)4502(Top 37%)4502(Top 248%)
30K18.64 mi3.11 mi15964+5215199+2525199+25213854(Top 49%)4287(Top 35%)4287(Top 236%)
20M20.00 mi1.36 mi15654+3105069+1305069+13012707(Top 45%)3817(Top 31%)3817(Top 211%)
21M21.00 mi1.00 mi15443+2114977+924977+9212641(Top 45%)3951(Top 32%)3951(Top 218%)
35K21.75 mi0.75 mi15297+1464907+704907+7012309(Top 43%)3816(Top 31%)3816(Top 210%)
23M23.00 mi1.25 mi15013+2844771+1364771+13611326(Top 40%)3405(Top 28%)3405(Top 188%)
24M24.00 mi1.00 mi14835+1784707+644707+6411728(Top 41%)3681(Top 30%)3681(Top 203%)
40K24.85 mi0.85 mi14665+1704636+714636+7110838(Top 38%)3347(Top 27%)3347(Top 185%)
25.2M25.20 mi0.35 mi14580+854608+284608+2810725(Top 38%)3381(Top 28%)3381(Top 186%)
Finish26.22 mi1.02 mi14463+1174571+374571+3712095(Top 43%)3983(Top 33%)3983(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16429

Females

5393

F45-49

5393

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17020

Females

5712

F45-49

5712

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16429

Females

5393

F45-49

5393

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

17588

Females

6100

F45-49

6100

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15646

Females

4966

F45-49

4966

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

14537

Females

4502

F45-49

4502

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13854

Females

4287

F45-49

4287

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12707

Females

3817

F45-49

3817

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12641

Females

3951

F45-49

3951

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12309

Females

3816

F45-49

3816

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11326

Females

3405

F45-49

3405

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11728

Females

3681

F45-49

3681

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10838

Females

3347

F45-49

3347

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10725

Females

3381

F45-49

3381

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12095

Females

3983

F45-49

3983

Passing Analysis

Category:
Athletes Passed
3345
Passed By
933
Net Change
+2412
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16875
5K → 10K266333-67#16875#16942
10K → 15K312103+209#16942#16733
15K → 20K124373-249#16733#16982
20K → Half789+69#16982#16913
Half → 25K4346+428#16913#16485
25K → 30K54423+521#16485#15964
30K → 20M3188+310#15964#15654
20M → 21M23423+211#15654#15443
21M → 35K1526+146#15443#15297
35K → 23M2917+284#15297#15013
23M → 24M1879+178#15013#14835
24M → 40K1766+170#14835#14665
40K → 25.2M883+85#14665#14580
25.2M → Finish14124+117#14580#14463
TOTALS3345933+2412
📊

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