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BOSTON MARATHON 2023

Amanda Kelly Silberman

Bib: 27350•F

MA

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
10:08/mi
31:29
↑ 97↓ 3451.5%
10K· 6.21 mi
10:07/mi
1:02:56
↑ 79↓ 1380.4%
15K· 9.32 mi
10:25/mi
1:35:17
↑ 67↓ 78
20K· 12.43 mi
10:33/mi
2:08:05
↑ 106↓ 860.1%
Half· 13.11 mi
10:33/mi
2:15:17
↑ 19↓ 370.5%
25K· 15.53 mi
10:54/mi
2:41:43
↑ 66↓ 880.2%
30K· 18.64 mi
11:19/mi
3:16:52
↑ 181↓ 1480.2%
20M
11:26/mi
3:32:24
↑ 64↓ 500.2%
21M
11:31/mi
3:43:55
↑ 106↓ 241.6%
35K· 21.75 mi
11:54/mi
3:52:49
↑ 17↓ 861.7%
23M
11:51/mi
4:07:39
↑ 23↓ 630.6%
24M
11:34/mi
4:19:13
↓ 821.3%
40K· 24.85 mi
11:04/mi
4:28:41
↓ 200.3%
25.2M
12:11/mi
4:32:53
↑ 13↓ 160.2%
Finish· 26.22 mi
10:34/mi
4:43:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:17
Pace10:19 /mi
2nd Half
Distance13.11 mi
Time2:28:22
Pace11:19 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4231:2910:0831:29
10:08
-
10K
6.21 mi12:20:091:02:5610:0831:27
10:07
-0:01
15K
9.32 mi12:52:301:35:1710:1332:21
10:25
+0:18
20K
12.43 mi13:25:182:08:0510:1832:48
10:33
+0:08
Half
13.11 mi13:32:302:15:1710:197:12
10:33
0:00
25K
15.53 mi13:58:562:41:4310:2526:26
10:54
+0:21
30K
18.64 mi14:34:053:16:5210:3435:09
11:19
+0:25
20M
20.00 mi14:49:373:32:2410:3715:32
11:26
+0:07
21M
21.00 mi15:01:083:43:5510:4011:31
11:31
+0:05
35K
21.75 mi15:10:023:52:4910:428:54
11:54
+0:23
23M
23.00 mi15:24:524:07:3910:4614:50
11:51
-0:03
24M
24.00 mi15:36:264:19:1310:4811:34
11:34
-0:17
40K
24.85 mi15:45:544:28:4110:499:28
11:04
-0:30
25.2M
25.20 mi15:50:064:32:5310:504:12
12:11
+1:07
Finish
26.22 mi16:00:524:43:3910:5010:46
10:34
-1:37

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

10:07 /mi

Average Pace

10:50 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:03

51% of race

Time at Steady Pace

1:11:03

25% of race

Time at Slower Pace

1:06:33

23% of race

Average Pace: 10:49 /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 mi11:48:4231:2910:0831:29
10:08
#23772
10K
6.21 mi12:20:091:02:5610:0831:27
10:07
#23912
15K
9.32 mi12:52:301:35:1710:1332:21
10:25
#24062
20K
12.43 mi13:25:182:08:0510:1832:48
10:33
#24025
Half
13.11 mi13:32:302:15:1710:197:12
10:33
#24040
25K
15.53 mi13:58:562:41:4310:2526:26
10:54
#23989
30K
18.64 mi14:34:053:16:5210:3435:09
11:19
#23929
20M
20.00 mi14:49:373:32:2410:3715:32
11:26
#23889
21M
21.00 mi15:01:083:43:5510:4011:31
11:31
#23788
35K
21.75 mi15:10:023:52:4910:428:54
11:54
#23836
23M
23.00 mi15:24:524:07:3910:4614:50
11:51
#23842
24M
24.00 mi15:36:264:19:1310:4811:34
11:34
#23862
40K
24.85 mi15:45:544:28:4110:499:28
11:04
#23821
25.2M
25.20 mi15:50:064:32:5310:504:12
12:11
#23809
Finish
26.22 mi16:00:524:43:3910:5010:46
10:34
#23794
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi237729779977924301(Top 91%)10055(Top 88%)10055(Top 206%)
10K6.21 mi3.10 mi23912-1409845-669845-6623962(Top 90%)9867(Top 86%)9867(Top 202%)
15K9.32 mi3.11 mi24062-1509925-809925-8024301(Top 91%)10055(Top 88%)10055(Top 206%)
20K12.43 mi3.11 mi24025+379907+189907+1823936(Top 90%)9865(Top 86%)9865(Top 202%)
Half13.11 mi0.68 mi24040-159918-119918-1124304(Top 91%)10097(Top 88%)10097(Top 207%)
25K15.53 mi2.42 mi23989+519891+279891+2723818(Top 89%)9859(Top 86%)9859(Top 202%)
30K18.64 mi3.11 mi23929+609877+149877+1423604(Top 89%)9779(Top 86%)9779(Top 200%)
20M20.00 mi1.36 mi23889+409861+169861+1623416(Top 88%)9744(Top 85%)9744(Top 200%)
21M21.00 mi1.00 mi23788+1019824+379824+3721920(Top 82%)8952(Top 78%)8952(Top 183%)
35K21.75 mi0.75 mi23836-489853-299853-2924580(Top 92%)10442(Top 91%)10442(Top 214%)
23M23.00 mi1.25 mi23842-69867-149867-1423789(Top 89%)9995(Top 87%)9995(Top 205%)
24M24.00 mi1.00 mi23862-209886-199886-1923967(Top 90%)10148(Top 89%)10148(Top 208%)
40K24.85 mi0.85 mi23821+419866+209866+2022515(Top 85%)9407(Top 82%)9407(Top 193%)
25.2M25.20 mi0.35 mi23809+129863+39863+322831(Top 86%)9569(Top 84%)9569(Top 196%)
Finish26.22 mi1.02 mi23794+159864-19864-123151(Top 87%)9721(Top 85%)9721(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24301

Females

10055

F18-39

10055

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23962

Females

9867

F18-39

9867

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24301

Females

10055

F18-39

10055

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

23936

Females

9865

F18-39

9865

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

24304

Females

10097

F18-39

10097

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

23818

Females

9859

F18-39

9859

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23604

Females

9779

F18-39

9779

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23416

Females

9744

F18-39

9744

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21920

Females

8952

F18-39

8952

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

24580

Females

10442

F18-39

10442

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23789

Females

9995

F18-39

9995

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23967

Females

10148

F18-39

10148

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22515

Females

9407

F18-39

9407

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22831

Females

9569

F18-39

9569

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23151

Females

9721

F18-39

9721

Passing Analysis

Category:
Athletes Passed
949
Passed By
971
Net Change
-22
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23772
5K → 10K133273-140#23772#23912
10K → 15K64214-150#23912#24062
15K → 20K12992+37#24062#24025
20K → Half1530-15#24025#24040
Half → 25K11867+51#24040#23989
25K → 30K14080+60#23989#23929
30K → 20M6626+40#23929#23889
20M → 21M11615+101#23889#23788
21M → 35K1159-48#23788#23836
35K → 23M3642-6#23836#23842
23M → 24M2545-20#23842#23862
24M → 40K509+41#23862#23821
40K → 25.2M219+12#23821#23809
25.2M → Finish2510+15#23809#23794
TOTALS949971-22
📊

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