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BOSTON MARATHON 2023

Fernanda Silva

Bib: 16882•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:50/mi
24:19
↑ 97↓ 3451.5%
10K· 6.21 mi
8:03/mi
49:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:14:08
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:40:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:45:26
↑ 19↓ 370.5%
25K· 15.53 mi
8:58/mi
2:07:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:51/mi
2:34:41
↑ 181↓ 1480.2%
20M
10:20/mi
2:48:44
↑ 64↓ 500.2%
21M
11:18/mi
3:00:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
3:06:41
↑ 17↓ 861.7%
23M
9:49/mi
3:18:59
↑ 23↓ 630.6%
24M
9:16/mi
3:28:15
↓ 821.3%
40K· 24.85 mi
11:04/mi
3:37:43
↓ 200.3%
25.2M
10:09/mi
3:41:13
↑ 13↓ 160.2%
Finish· 26.22 mi
9:51/mi
3:51:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:26
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time2:05:49
Pace9:36 /mi
📊Positive Split: 19.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0124:197:5024:19
7:50
-
10K
6.21 mi11:46:0149:197:5625:00
8:03
+0:13
15K
9.32 mi12:10:501:14:087:5724:49
7:59
-0:04
20K
12.43 mi12:36:461:40:048:0325:56
8:21
+0:22
Half
13.11 mi12:42:081:45:268:035:22
7:52
-0:29
25K
15.53 mi13:03:522:07:108:1121:44
8:58
+1:06
30K
18.64 mi13:31:232:34:418:1827:31
8:51
-0:07
20M
20.00 mi13:45:262:48:448:2614:03
10:20
+1:29
21M
21.00 mi13:56:443:00:028:3411:18
11:18
+0:58
35K
21.75 mi14:03:233:06:418:356:39
8:53
-2:25
23M
23.00 mi14:15:413:18:598:3912:18
9:49
+0:56
24M
24.00 mi14:24:573:28:158:419:16
9:16
-0:33
40K
24.85 mi14:34:253:37:438:469:28
11:04
+1:48
25.2M
25.20 mi14:37:553:41:138:473:30
10:09
-0:55
Finish
26.22 mi14:47:573:51:158:5010:02
9:51
-0:18

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

7:50 /mi

Average Pace

8:50 /mi

Slowest Pace

11:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:26

46% of race

Time at Steady Pace

1:05:10

28% of race

Time at Slower Pace

1:00:39

26% of race

Average Pace: 8:49 /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 mi11:21:0124:197:5024:19
7:50
#12648
10K
6.21 mi11:46:0149:197:5625:00
8:03
#13890
15K
9.32 mi12:10:501:14:087:5724:49
7:59
#14005
20K
12.43 mi12:36:461:40:048:0325:56
8:21
#14511
Half
13.11 mi12:42:081:45:268:035:22
7:52
#14454
25K
15.53 mi13:03:522:07:108:1121:44
8:58
#15258
30K
18.64 mi13:31:232:34:418:1827:31
8:51
#15462
20M
20.00 mi13:45:262:48:448:2614:03
10:20
#16144
21M
21.00 mi13:56:443:00:028:3411:18
11:18
#16649
35K
21.75 mi14:03:233:06:418:356:39
8:53
#16671
23M
23.00 mi14:15:413:18:598:3912:18
9:49
#16891
24M
24.00 mi14:24:573:28:158:419:16
9:16
#16963
40K
24.85 mi14:34:253:37:438:469:28
11:04
#17354
25.2M
25.20 mi14:37:553:41:138:473:30
10:09
#17376
Finish
26.22 mi14:47:573:51:158:5010:02
9:51
#17624
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126483254325414320(Top 54%)4277(Top 37%)4277(Top 88%)
10K6.21 mi3.10 mi13890-12423978-7243978-72415167(Top 57%)4775(Top 42%)4775(Top 98%)
15K9.32 mi3.11 mi14005-1154060-824060-8214320(Top 54%)4277(Top 37%)4277(Top 88%)
20K12.43 mi3.11 mi14511-5064375-3154375-31515938(Top 60%)5313(Top 47%)5313(Top 109%)
Half13.11 mi0.68 mi14454+574352+234352+2313421(Top 50%)3770(Top 33%)3770(Top 77%)
25K15.53 mi2.42 mi15258-8044872-5204872-52018788(Top 71%)7006(Top 61%)7006(Top 143%)
30K18.64 mi3.11 mi15462-2045052-1805052-18016425(Top 62%)5743(Top 50%)5743(Top 118%)
20M20.00 mi1.36 mi16144-6825480-4285480-42821367(Top 80%)8617(Top 75%)8617(Top 176%)
21M21.00 mi1.00 mi16649-5055788-3085788-30821478(Top 81%)8722(Top 76%)8722(Top 179%)
35K21.75 mi0.75 mi16671-225808-205808-2017409(Top 65%)6502(Top 57%)6502(Top 133%)
23M23.00 mi1.25 mi16891-2205961-1535961-15319496(Top 73%)7676(Top 67%)7676(Top 157%)
24M24.00 mi1.00 mi16963-726023-626023-6218345(Top 69%)7078(Top 62%)7078(Top 145%)
40K24.85 mi0.85 mi17354-3916258-2356258-23522504(Top 85%)9396(Top 82%)9396(Top 192%)
25.2M25.20 mi0.35 mi17376-226283-256283-2517977(Top 68%)6948(Top 61%)6948(Top 142%)
Finish26.22 mi1.02 mi17624-2486430-1476430-14721306(Top 80%)8717(Top 76%)8717(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14320

Females

4277

F18-39

4277

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15167

Females

4775

F18-39

4775

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14320

Females

4277

F18-39

4277

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15938

Females

5313

F18-39

5313

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13421

Females

3770

F18-39

3770

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18788

Females

7006

F18-39

7006

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16425

Females

5743

F18-39

5743

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21367

Females

8617

F18-39

8617

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21478

Females

8722

F18-39

8722

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17409

Females

6502

F18-39

6502

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19496

Females

7676

F18-39

7676

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18345

Females

7078

F18-39

7078

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22504

Females

9396

F18-39

9396

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17977

Females

6948

F18-39

6948

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

21306

Females

8717

F18-39

8717

Passing Analysis

Category:
Athletes Passed
654
Passed By
5630
Net Change
-4976
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12648
5K → 10K421284-1242#12648#13890
10K → 15K137252-115#13890#14005
15K → 20K69575-506#14005#14511
20K → Half6710+57#14511#14454
Half → 25K23827-804#14454#15258
25K → 30K123327-204#15258#15462
30K → 20M11693-682#15462#16144
20M → 21M12517-505#16144#16649
21M → 35K4466-22#16649#16671
35K → 23M32252-220#16671#16891
23M → 24M42114-72#16891#16963
24M → 40K10401-391#16963#17354
40K → 25.2M2951-22#17354#17376
25.2M → Finish13261-248#17376#17624
TOTALS6545630-4976
📊

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