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BOSTON MARATHON 2023

Amy Ewing

Bib: 19226•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 34%
Masters (Masters Women)
#0 / 6539
Top 21%
Division (F50-54)
#0 / 1207
Top 13%
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
8:04/mi
25:03
↑ 97↓ 3451.5%
10K· 6.21 mi
8:03/mi
50:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:14:34
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:40:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:45:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
2:05:00
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:30:40
↑ 181↓ 1480.2%
20M
8:22/mi
2:42:02
↑ 64↓ 500.2%
21M
8:58/mi
2:51:00
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
2:57:10
↑ 17↓ 861.7%
23M
8:26/mi
3:07:43
↑ 23↓ 630.6%
24M
8:07/mi
3:15:50
↓ 821.3%
40K· 24.85 mi
8:14/mi
3:22:52
↓ 200.3%
25.2M
8:42/mi
3:25:52
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:33:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:42
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:48:13
Pace8:15 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5625:038:0425:03
8:04
-
10K
6.21 mi11:48:5650:038:0325:00
8:03
-0:01
15K
9.32 mi12:13:271:14:348:0024:31
7:53
-0:10
20K
12.43 mi12:39:191:40:268:0525:52
8:20
+0:27
Half
13.11 mi12:44:351:45:428:045:16
7:43
-0:37
25K
15.53 mi13:03:532:05:008:0319:18
7:58
+0:15
30K
18.64 mi13:29:332:30:408:0525:40
8:16
+0:18
20M
20.00 mi13:40:552:42:028:0611:22
8:22
+0:06
21M
21.00 mi13:49:532:51:008:098:58
8:58
+0:36
35K
21.75 mi13:56:032:57:108:096:10
8:15
-0:43
23M
23.00 mi14:06:363:07:438:1010:33
8:26
+0:11
24M
24.00 mi14:14:433:15:508:108:07
8:07
-0:19
40K
24.85 mi14:21:453:22:528:107:02
8:14
+0:07
25.2M
25.20 mi14:24:453:25:528:103:00
8:42
+0:28
Finish
26.22 mi14:32:483:33:558:108:03
7:54
-0:48

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

7:43 /mi

Average Pace

8:10 /mi

Slowest Pace

8:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:57

94% of race

Time at Steady Pace

11:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi11:23:5625:038:0425:03
8:04
#14451
10K
6.21 mi11:48:5650:038:0325:00
8:03
#14782
15K
9.32 mi12:13:271:14:348:0024:31
7:53
#14358
20K
12.43 mi12:39:191:40:268:0525:52
8:20
#14738
Half
13.11 mi12:44:351:45:428:045:16
7:43
#14608
25K
15.53 mi13:03:532:05:008:0319:18
7:58
#14252
30K
18.64 mi13:29:332:30:408:0525:40
8:16
#13966
20M
20.00 mi13:40:552:42:028:0611:22
8:22
#13842
21M
21.00 mi13:49:532:51:008:098:58
8:58
#13782
35K
21.75 mi13:56:032:57:108:096:10
8:15
#13778
23M
23.00 mi14:06:363:07:438:1010:33
8:26
#13680
24M
24.00 mi14:14:433:15:508:108:07
8:07
#13580
40K
24.85 mi14:21:453:22:528:107:02
8:14
#13468
25.2M
25.20 mi14:24:453:25:528:103:00
8:42
#13404
Finish
26.22 mi14:32:483:33:558:108:03
7:54
#13318
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi144514297429713467(Top 51%)3762(Top 33%)3762(Top 312%)
10K6.21 mi3.10 mi14782-3314513-2164513-21615151(Top 57%)4759(Top 42%)4759(Top 394%)
15K9.32 mi3.11 mi14358+4244267+2464267+24613467(Top 51%)3762(Top 33%)3762(Top 312%)
20K12.43 mi3.11 mi14738-3804518-2514518-25115765(Top 59%)5200(Top 46%)5200(Top 431%)
Half13.11 mi0.68 mi14608+1304434+844434+8412133(Top 46%)3011(Top 26%)3011(Top 249%)
25K15.53 mi2.42 mi14252+3564258+1764258+17612426(Top 47%)3326(Top 29%)3326(Top 276%)
30K18.64 mi3.11 mi13966+2864121+1374121+13712772(Top 48%)3622(Top 32%)3622(Top 300%)
20M20.00 mi1.36 mi13842+1244064+574064+5712807(Top 48%)3748(Top 33%)3748(Top 311%)
21M21.00 mi1.00 mi13782+604046+184046+1813223(Top 50%)4058(Top 36%)4058(Top 336%)
35K21.75 mi0.75 mi13778+44060-144060-1413768(Top 52%)4431(Top 39%)4431(Top 367%)
23M23.00 mi1.25 mi13680+984027+334027+3312775(Top 48%)3954(Top 35%)3954(Top 328%)
24M24.00 mi1.00 mi13580+1003986+413986+4112078(Top 45%)3635(Top 32%)3635(Top 301%)
40K24.85 mi0.85 mi13468+1123940+463940+4611578(Top 43%)3456(Top 30%)3456(Top 286%)
25.2M25.20 mi0.35 mi13404+643915+253915+2510840(Top 41%)3114(Top 27%)3114(Top 258%)
Finish26.22 mi1.02 mi13318+863886+293886+2911427(Top 43%)3415(Top 30%)3415(Top 283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13467

Females

3762

F50-54

3762

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15151

Females

4759

F50-54

4759

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13467

Females

3762

F50-54

3762

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15765

Females

5200

F50-54

5200

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12133

Females

3011

F50-54

3011

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12426

Females

3326

F50-54

3326

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12772

Females

3622

F50-54

3622

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12807

Females

3748

F50-54

3748

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13223

Females

4058

F50-54

4058

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13768

Females

4431

F50-54

4431

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12775

Females

3954

F50-54

3954

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12078

Females

3635

F50-54

3635

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11578

Females

3456

F50-54

3456

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10840

Females

3114

F50-54

3114

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11427

Females

3415

F50-54

3415

Passing Analysis

Category:
Athletes Passed
2474
Passed By
1341
Net Change
+1133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14451
5K → 10K164495-331#14451#14782
10K → 15K46844+424#14782#14358
15K → 20K90470-380#14358#14738
20K → Half1333+130#14738#14608
Half → 25K3659+356#14608#14252
25K → 30K34559+286#14252#13966
30K → 20M15733+124#13966#13842
20M → 21M12161+60#13842#13782
21M → 35K5652+4#13782#13778
35K → 23M13739+98#13778#13680
23M → 24M12323+100#13680#13580
24M → 40K12715+112#13580#13468
40K → 25.2M7410+64#13468#13404
25.2M → Finish11428+86#13404#13318
TOTALS24741341+1133
📊

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