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BOSTON MARATHON 2023

Selma Da Silva

Bib: 23874•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:46
Rank: #18327
Start → 5K
26:46 | 8:37/mi
10K· 6.21 mi
52:48
Rank: #17897 (+430)
5K → 10K
26:02 | 8:23/mi
15K· 9.32 mi
1:19:21
Rank: #17934 (-37)
10K → 15K
26:33 | 8:33/mi
20K· 12.43 mi
1:46:41
Rank: #18119 (-185)
15K → 20K
27:20 | 8:48/mi
Half· 13.11 mi
1:52:38
Rank: #18159 (-40)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:14:35
Rank: #18363 (-204)
Half → 25K
21:57 | 9:03/mi
30K· 18.64 mi
2:43:21
Rank: #18356 (+7)
25K → 30K
28:46 | 9:16/mi
20M
2:56:21
Rank: #18433 (-77)
30K → 20M
13:00 | 9:34/mi
21M
3:06:39
Rank: #18477 (-44)
20M → 21M
10:18 | 10:18/mi
35K· 21.75 mi
3:13:40
Rank: #18518 (-41)
21M → 35K
7:01 | 9:23/mi
23M
3:25:45
Rank: #18555 (-37)
35K → 23M
12:05 | 9:39/mi
24M
3:35:06
Rank: #18561 (-6)
23M → 24M
9:21 | 9:21/mi
40K· 24.85 mi
3:43:03
Rank: #18520 (+41)
24M → 40K
7:57 | 9:18/mi
25.2M
3:46:39
Rank: #18526 (-6)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
3:56:01
Rank: #18563 (-37)
25.2M → Finish
9:22 | 9:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:38
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:03:23
Pace9:25 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:4626:468:3726:46
8:37
-
10K
6.21 mi12:08:4852:488:3026:02
8:23
-0:14
15K
9.32 mi12:35:211:19:218:3126:33
8:33
+0:10
20K
12.43 mi13:02:411:46:418:3527:20
8:48
+0:15
Half
13.11 mi13:08:381:52:388:355:57
8:43
-0:05
25K
15.53 mi13:30:352:14:358:4021:57
9:03
+0:20
30K
18.64 mi13:59:212:43:218:4628:46
9:16
+0:13
20M
20.00 mi14:12:212:56:218:4913:00
9:34
+0:18
21M
21.00 mi14:22:393:06:398:5310:18
10:18
+0:44
35K
21.75 mi14:29:403:13:408:547:01
9:23
-0:55
23M
23.00 mi14:41:453:25:458:5712:05
9:39
+0:16
24M
24.00 mi14:51:063:35:068:589:21
9:21
-0:18
40K
24.85 mi14:59:033:43:038:587:57
9:18
-0:03
25.2M
25.20 mi15:02:393:46:399:003:36
10:26
+1:08
Finish
26.22 mi15:12:013:56:019:009:22
9:11
-1:15

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

8:23 /mi

Average Pace

9:00 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:38

48% of race

Time at Steady Pace

1:24:24

36% of race

Time at Slower Pace

38:59

17% of race

Average Pace: 9:00 /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 mi11:42:4626:468:3726:46
8:37
#18327
10K
6.21 mi12:08:4852:488:3026:02
8:23
#17897
15K
9.32 mi12:35:211:19:218:3126:33
8:33
#17934
20K
12.43 mi13:02:411:46:418:3527:20
8:48
#18119
Half
13.11 mi13:08:381:52:388:355:57
8:43
#18159
25K
15.53 mi13:30:352:14:358:4021:57
9:03
#18363
30K
18.64 mi13:59:212:43:218:4628:46
9:16
#18356
20M
20.00 mi14:12:212:56:218:4913:00
9:34
#18433
21M
21.00 mi14:22:393:06:398:5310:18
10:18
#18477
35K
21.75 mi14:29:403:13:408:547:01
9:23
#18518
23M
23.00 mi14:41:453:25:458:5712:05
9:39
#18555
24M
24.00 mi14:51:063:35:068:589:21
9:21
#18561
40K
24.85 mi14:59:033:43:038:587:57
9:18
#18520
25.2M
25.20 mi15:02:393:46:399:003:36
10:26
#18526
Finish
26.22 mi15:12:013:56:019:009:22
9:11
#18563
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi183276763676318135(Top 68%)6583(Top 58%)6583(Top 808%)
10K6.21 mi3.10 mi17897+4306465+2986465+29817471(Top 66%)6169(Top 54%)6169(Top 757%)
15K9.32 mi3.11 mi17934-376486-216486-2118135(Top 68%)6583(Top 58%)6583(Top 808%)
20K12.43 mi3.11 mi18119-1856582-966582-9618670(Top 70%)6896(Top 60%)6896(Top 846%)
Half13.11 mi0.68 mi18159-406609-276609-2719098(Top 72%)7140(Top 63%)7140(Top 876%)
25K15.53 mi2.42 mi18363-2046745-1366745-13619214(Top 72%)7252(Top 63%)7252(Top 890%)
30K18.64 mi3.11 mi18356+76775-306775-3018449(Top 69%)6890(Top 60%)6890(Top 845%)
20M20.00 mi1.36 mi18433-776830-556830-5519111(Top 72%)7352(Top 64%)7352(Top 902%)
21M21.00 mi1.00 mi18477-446866-366866-3619034(Top 71%)7361(Top 64%)7361(Top 903%)
35K21.75 mi0.75 mi18518-416896-306896-3019458(Top 73%)7631(Top 67%)7631(Top 936%)
23M23.00 mi1.25 mi18555-376926-306926-3018913(Top 71%)7357(Top 64%)7357(Top 903%)
24M24.00 mi1.00 mi18561-66944-186944-1818663(Top 70%)7255(Top 64%)7255(Top 890%)
40K24.85 mi0.85 mi18520+416927+176927+1717543(Top 66%)6708(Top 59%)6708(Top 823%)
25.2M25.20 mi0.35 mi18526-66941-146941-1418927(Top 71%)7468(Top 65%)7468(Top 916%)
Finish26.22 mi1.02 mi18563-376973-326973-3218887(Top 71%)7380(Top 65%)7380(Top 906%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18135

Females

6583

F55-59

6583

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17471

Females

6169

F55-59

6169

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18135

Females

6583

F55-59

6583

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18670

Females

6896

F55-59

6896

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19098

Females

7140

F55-59

7140

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19214

Females

7252

F55-59

7252

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18449

Females

6890

F55-59

6890

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19111

Females

7352

F55-59

7352

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

19034

Females

7361

F55-59

7361

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19458

Females

7631

F55-59

7631

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18913

Females

7357

F55-59

7357

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18663

Females

7255

F55-59

7255

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17543

Females

6708

F55-59

6708

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18927

Females

7468

F55-59

7468

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18887

Females

7380

F55-59

7380

Passing Analysis

Category:
Athletes Passed
1569
Passed By
1805
Net Change
-236
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18327
5K → 10K596166+430#18327#17897
10K → 15K173210-37#17897#17934
15K → 20K113298-185#17934#18119
20K → Half1353-40#18119#18159
Half → 25K66270-204#18159#18363
25K → 30K187180+7#18363#18356
30K → 20M68145-77#18356#18433
20M → 21M67111-44#18433#18477
21M → 35K3071-41#18477#18518
35K → 23M68105-37#18518#18555
23M → 24M5056-6#18555#18561
24M → 40K7231+41#18561#18520
40K → 25.2M2329-6#18520#18526
25.2M → Finish4380-37#18526#18563
TOTALS15691805-236
📊

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