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BOSTON MARATHON 2025

Emilly Souza Oliveira

Bib: 18465•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:24
Rank: #21620
Start → 5K
8:49/mi
27:24 split
10K· 6.21 mi
55:00
Rank: #21716 (-96)
5K → 10K
8:53/mi
27:36 split
15K· 9.32 mi
1:22:33
Rank: #21565 (+151)
10K → 15K
8:52/mi
27:33 split
20K· 12.43 mi
1:50:04
Rank: #21214 (+351)
15K → 20K
8:51/mi
27:31 split
Half· 13.11 mi
1:56:00
Rank: #21172 (+42)
20K → Half
8:42/mi
5:56 split
25K· 15.53 mi
2:17:38
Rank: #20909 (+263)
Half → 25K
8:55/mi
21:38 split
30K· 18.64 mi
2:46:22
Rank: #20503 (+406)
25K → 30K
9:15/mi
28:44 split
20M
2:59:21
Rank: #20403 (+100)
30K → 20M
9:33/mi
12:59 split
21M
3:09:29
Rank: #20310 (+93)
20M → 21M
10:08/mi
10:08 split
35K· 21.75 mi
3:16:14
Rank: #20231 (+79)
21M → 35K
9:01/mi
6:45 split
23M
3:28:39
Rank: #20245 (-14)
35K → 23M
9:55/mi
12:25 split
24M
3:38:47
Rank: #20371 (-126)
23M → 24M
10:08/mi
10:08 split
40K· 24.85 mi
3:48:11
Rank: #20540 (-169)
24M → 40K
11:00/mi
9:24 split
25.2M
3:51:45
Rank: #20520 (+20)
40K → 25.2M
10:21/mi
3:34 split
Finish· 26.22 mi
4:01:57
Rank: #20632 (-112)
25.2M → Finish
10:01/mi
10:12 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:00
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:05:57
Pace9:36 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1627:248:4927:24
8:49
-
10K
6.21 mi11:47:5255:008:5127:36
8:53
+0:04
15K
9.32 mi12:15:251:22:338:5127:33
8:52
-0:01
20K
12.43 mi12:42:561:50:048:5127:31
8:51
-0:01
Half
13.11 mi12:48:521:56:008:515:56
8:42
-0:09
25K
15.53 mi13:10:302:17:388:5221:38
8:55
+0:13
30K
18.64 mi13:39:142:46:228:5528:44
9:15
+0:20
20M
20.00 mi13:52:132:59:218:5812:59
9:33
+0:18
21M
21.00 mi14:02:213:09:299:0110:08
10:08
+0:35
35K
21.75 mi14:09:063:16:149:016:45
9:01
-1:07
23M
23.00 mi14:21:313:28:399:0412:25
9:55
+0:54
24M
24.00 mi14:31:393:38:479:0710:08
10:08
+0:13
40K
24.85 mi14:41:033:48:119:119:24
11:00
+0:52
25.2M
25.20 mi14:44:373:51:459:123:34
10:21
-0:39
Finish
26.22 mi14:54:494:01:579:1410:12
10:01
-0:20

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

8:42 /mi

Average Pace

9:14 /mi

Slowest Pace

11:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:00

48% of race

Time at Steady Pace

1:10:06

29% of race

Time at Slower Pace

55:51

23% of race

Average Pace: 9:14 /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 mi11:20:1627:248:4927:24
8:49
#21620
10K
6.21 mi11:47:5255:008:5127:36
8:53
#21716
15K
9.32 mi12:15:251:22:338:5127:33
8:52
#21565
20K
12.43 mi12:42:561:50:048:5127:31
8:51
#21214
Half
13.11 mi12:48:521:56:008:515:56
8:42
#21172
25K
15.53 mi13:10:302:17:388:5221:38
8:55
#20909
30K
18.64 mi13:39:142:46:228:5528:44
9:15
#20503
20M
20.00 mi13:52:132:59:218:5812:59
9:33
#20403
21M
21.00 mi14:02:213:09:299:0110:08
10:08
#20310
35K
21.75 mi14:09:063:16:149:016:45
9:01
#20231
23M
23.00 mi14:21:313:28:399:0412:25
9:55
#20245
24M
24.00 mi14:31:393:38:479:0710:08
10:08
#20371
40K
24.85 mi14:41:033:48:119:119:24
11:00
#20540
25.2M
25.20 mi14:44:373:51:459:123:34
10:21
#20520
Finish
26.22 mi14:54:494:01:579:1410:12
10:01
#20632
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi216208416841621386(Top 75%)8206(Top 67%)8206(Top 150%)
10K6.21 mi3.10 mi21716-968449-338449-3321836(Top 77%)8505(Top 70%)8505(Top 156%)
15K9.32 mi3.11 mi21565+1518341+1088341+10821386(Top 75%)8206(Top 67%)8206(Top 150%)
20K12.43 mi3.11 mi21214+3518152+1898152+18920267(Top 71%)7630(Top 62%)7630(Top 140%)
Half13.11 mi0.68 mi21172+428124+288124+2820408(Top 72%)7709(Top 63%)7709(Top 141%)
25K15.53 mi2.42 mi20909+2637991+1337991+13319549(Top 69%)7292(Top 60%)7292(Top 133%)
30K18.64 mi3.11 mi20503+4067815+1767815+17618901(Top 67%)7067(Top 58%)7067(Top 129%)
20M20.00 mi1.36 mi20403+1007782+337782+3319436(Top 68%)7491(Top 61%)7491(Top 137%)
21M21.00 mi1.00 mi20310+937753+297753+2918829(Top 66%)7254(Top 59%)7254(Top 133%)
35K21.75 mi0.75 mi20231+797724+297724+2918392(Top 65%)7135(Top 58%)7135(Top 130%)
23M23.00 mi1.25 mi20245-147758-347758-3420243(Top 71%)8170(Top 67%)8170(Top 149%)
24M24.00 mi1.00 mi20371-1267834-767834-7621749(Top 77%)8998(Top 74%)8998(Top 165%)
40K24.85 mi0.85 mi20540-1697944-1107944-11023143(Top 81%)9773(Top 80%)9773(Top 179%)
25.2M25.20 mi0.35 mi20520+207940+47940+418504(Top 65%)7393(Top 60%)7393(Top 135%)
Finish26.22 mi1.02 mi20632-1128016-768016-7622970(Top 81%)9649(Top 79%)9649(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21386

Females

8206

F18-39

8206

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

21836

Females

8505

F18-39

8505

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21386

Females

8206

F18-39

8206

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20267

Females

7630

F18-39

7630

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20408

Females

7709

F18-39

7709

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19549

Females

7292

F18-39

7292

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

18901

Females

7067

F18-39

7067

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19436

Females

7491

F18-39

7491

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18829

Females

7254

F18-39

7254

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18392

Females

7135

F18-39

7135

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20243

Females

8170

F18-39

8170

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21749

Females

8998

F18-39

8998

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23143

Females

9773

F18-39

9773

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18504

Females

7393

F18-39

7393

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

22970

Females

9649

F18-39

9649

Passing Analysis

Category:
Athletes Passed
2252
Passed By
1264
Net Change
+988
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21620
5K → 10K222318-96#21620#21716
10K → 15K285134+151#21716#21565
15K → 20K39948+351#21565#21214
20K → Half5715+42#21214#21172
Half → 25K28724+263#21172#20909
25K → 30K45044+406#20909#20503
30K → 20M14545+100#20503#20403
20M → 21M13441+93#20403#20310
21M → 35K9011+79#20310#20231
35K → 23M8397-14#20231#20245
23M → 24M21147-126#20245#20371
24M → 40K27196-169#20371#20540
40K → 25.2M3717+20#20540#20520
25.2M → Finish15127-112#20520#20632
TOTALS22521264+988
📊

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