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BOSTON MARATHON 2023

Erica Scotford

Bib: 16478•F

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 49%
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
7:53/mi
24:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
49:06
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:13:41
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:38:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:44:33
↑ 19↓ 370.5%
25K· 15.53 mi
8:41/mi
2:05:36
↑ 66↓ 880.2%
30K· 18.64 mi
9:09/mi
2:34:01
↑ 181↓ 1480.2%
20M
9:10/mi
2:46:29
↑ 64↓ 500.2%
21M
10:54/mi
2:57:23
↑ 106↓ 241.6%
35K· 21.75 mi
9:05/mi
3:04:11
↑ 17↓ 861.7%
23M
9:12/mi
3:15:42
↑ 23↓ 630.6%
24M
9:07/mi
3:24:49
↓ 821.3%
40K· 24.85 mi
9:40/mi
3:33:05
↓ 200.3%
25.2M
9:40/mi
3:36:25
↑ 13↓ 160.2%
Finish· 26.22 mi
8:10/mi
3:44:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:33
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time2:00:11
Pace9:10 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5324:297:5324:29
7:53
-
10K
6.21 mi11:39:3049:067:5424:37
7:55
+0:02
15K
9.32 mi12:04:051:13:417:5424:35
7:55
0:00
20K
12.43 mi12:29:201:38:567:5825:15
8:08
+0:13
Half
13.11 mi12:34:571:44:337:595:37
8:14
+0:06
25K
15.53 mi12:56:002:05:368:0521:03
8:41
+0:27
30K
18.64 mi13:24:252:34:018:1628:25
9:09
+0:28
20M
20.00 mi13:36:532:46:298:1912:28
9:10
+0:01
21M
21.00 mi13:47:472:57:238:2710:54
10:54
+1:44
35K
21.75 mi13:54:353:04:118:286:48
9:05
-1:49
23M
23.00 mi14:06:063:15:428:3111:31
9:12
+0:07
24M
24.00 mi14:15:133:24:498:329:07
9:07
-0:05
40K
24.85 mi14:23:293:33:058:348:16
9:40
+0:33
25.2M
25.20 mi14:26:493:36:258:353:20
9:40
0:00
Finish
26.22 mi14:35:083:44:448:358:19
8:10
-1:30

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

8:35 /mi

Slowest Pace

10:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:52

50% of race

Time at Steady Pace

1:29:22

40% of race

Time at Slower Pace

22:30

10% of race

Average Pace: 8:34 /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 mi11:14:5324:297:5324:29
7:53
#13102
10K
6.21 mi11:39:3049:067:5424:37
7:55
#13623
15K
9.32 mi12:04:051:13:417:5424:35
7:55
#13623
20K
12.43 mi12:29:201:38:567:5825:15
8:08
#13797
Half
13.11 mi12:34:571:44:337:595:37
8:14
#13914
25K
15.53 mi12:56:002:05:368:0521:03
8:41
#14550
30K
18.64 mi13:24:252:34:018:1628:25
9:09
#15212
20M
20.00 mi13:36:532:46:298:1912:28
9:10
#15408
21M
21.00 mi13:47:472:57:238:2710:54
10:54
#15846
35K
21.75 mi13:54:353:04:118:286:48
9:05
#15934
23M
23.00 mi14:06:063:15:428:3111:31
9:12
#16013
24M
24.00 mi14:15:133:24:498:329:07
9:07
#16085
40K
24.85 mi14:23:293:33:058:348:16
9:40
#16217
25.2M
25.20 mi14:26:493:36:258:353:20
9:40
#16212
Finish
26.22 mi14:35:083:44:448:358:19
8:10
#16116
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi131023505350513696(Top 51%)3902(Top 34%)3902(Top 80%)
10K6.21 mi3.10 mi13623-5213821-3163821-31614212(Top 53%)4190(Top 37%)4190(Top 86%)
15K9.32 mi3.11 mi136233833-123833-1213696(Top 51%)3902(Top 34%)3902(Top 80%)
20K12.43 mi3.11 mi13797-1743962-1293962-12914428(Top 54%)4364(Top 38%)4364(Top 89%)
Half13.11 mi0.68 mi13914-1174037-754037-7516087(Top 60%)5355(Top 47%)5355(Top 110%)
25K15.53 mi2.42 mi14550-6364436-3994436-39917284(Top 65%)6157(Top 54%)6157(Top 126%)
30K18.64 mi3.11 mi15212-6624891-4554891-45517906(Top 67%)6591(Top 58%)6591(Top 135%)
20M20.00 mi1.36 mi15408-1965036-1455036-14517428(Top 65%)6407(Top 56%)6407(Top 131%)
21M21.00 mi1.00 mi15846-4385327-2915327-29120602(Top 77%)8238(Top 72%)8238(Top 169%)
35K21.75 mi0.75 mi15934-885392-655392-6518280(Top 69%)6981(Top 61%)6981(Top 143%)
23M23.00 mi1.25 mi16013-795467-755467-7517058(Top 64%)6320(Top 55%)6320(Top 129%)
24M24.00 mi1.00 mi16085-725515-485515-4817737(Top 67%)6762(Top 59%)6762(Top 138%)
40K24.85 mi0.85 mi16217-1325604-895604-8918890(Top 71%)7440(Top 65%)7440(Top 152%)
25.2M25.20 mi0.35 mi16212+55603+15603+116071(Top 60%)5935(Top 52%)5935(Top 122%)
Finish26.22 mi1.02 mi16116+965560+435560+4313214(Top 50%)4323(Top 38%)4323(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13696

Females

3902

F18-39

3902

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14212

Females

4190

F18-39

4190

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13696

Females

3902

F18-39

3902

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14428

Females

4364

F18-39

4364

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

16087

Females

5355

F18-39

5355

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

17284

Females

6157

F18-39

6157

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17906

Females

6591

F18-39

6591

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17428

Females

6407

F18-39

6407

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20602

Females

8238

F18-39

8238

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18280

Females

6981

F18-39

6981

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

17058

Females

6320

F18-39

6320

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17737

Females

6762

F18-39

6762

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18890

Females

7440

F18-39

7440

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16071

Females

5935

F18-39

5935

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13214

Females

4323

F18-39

4323

Passing Analysis

Category:
Athletes Passed
881
Passed By
3895
Net Change
-3014
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13102
5K → 10K124645-521#13102#13623
10K → 15K1821820#13623#13623
15K → 20K121295-174#13623#13797
20K → Half12129-117#13797#13914
Half → 25K33669-636#13914#14550
25K → 30K44706-662#14550#15212
30K → 20M31227-196#15212#15408
20M → 21M12450-438#15408#15846
21M → 35K32120-88#15846#15934
35K → 23M59138-79#15934#16013
23M → 24M48120-72#16013#16085
24M → 40K28160-132#16085#16217
40K → 25.2M3025+5#16217#16212
25.2M → Finish12529+96#16212#16116
TOTALS8813895-3014
📊

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