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BOSTON MARATHON 2023

Erika Caruthers

Bib: 18857•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 21%
Masters (Masters Women)
#0 / 6539
Top 10%
Division (F45-49)
#0 / 1817
Top 10%
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
8:06/mi
25:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
49:49
↑ 79↓ 1380.4%
15K· 9.32 mi
7:42/mi
1:13:44
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:37:54
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:43:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:41/mi
2:01:43
↑ 66↓ 880.2%
30K· 18.64 mi
7:50/mi
2:26:02
↑ 181↓ 1480.2%
20M
7:53/mi
2:36:45
↑ 64↓ 500.2%
21M
8:20/mi
2:45:05
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:50:41
↑ 17↓ 861.7%
23M
7:49/mi
3:00:28
↑ 23↓ 630.6%
24M
7:33/mi
3:08:01
↓ 821.3%
40K· 24.85 mi
7:41/mi
3:14:35
↓ 200.3%
25.2M
8:22/mi
3:17:28
↑ 13↓ 160.2%
Finish· 26.22 mi
7:29/mi
3:25:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:43:05
Pace7:52 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:01
Pace7:47 /mi
📊Negative Split: 1.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5825:098:0625:09
8:06
-
10K
6.21 mi11:46:3849:498:0124:40
7:56
-0:10
15K
9.32 mi12:10:331:13:447:5523:55
7:42
-0:14
20K
12.43 mi12:34:431:37:547:5324:10
7:47
+0:05
Half
13.11 mi12:39:541:43:057:525:11
7:36
-0:11
25K
15.53 mi12:58:322:01:437:5018:38
7:41
+0:05
30K
18.64 mi13:22:512:26:027:5024:19
7:50
+0:09
20M
20.00 mi13:33:342:36:457:5010:43
7:53
+0:03
21M
21.00 mi13:41:542:45:057:528:20
8:20
+0:27
35K
21.75 mi13:47:302:50:417:515:36
7:29
-0:51
23M
23.00 mi13:57:173:00:287:519:47
7:49
+0:20
24M
24.00 mi14:04:503:08:017:507:33
7:33
-0:16
40K
24.85 mi14:11:243:14:357:506:34
7:41
+0:08
25.2M
25.20 mi14:14:173:17:287:502:53
8:22
+0:41
Finish
26.22 mi14:21:553:25:067:507:38
7:29
-0:53

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

7:29 /mi

Average Pace

7:50 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:53

95% of race

Time at Steady Pace

11:13

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi11:21:5825:098:0625:09
8:06
#14675
10K
6.21 mi11:46:3849:498:0124:40
7:56
#14507
15K
9.32 mi12:10:331:13:447:5523:55
7:42
#13664
20K
12.43 mi12:34:431:37:547:5324:10
7:47
#13107
Half
13.11 mi12:39:541:43:057:525:11
7:36
#12983
25K
15.53 mi12:58:322:01:437:5018:38
7:41
#12488
30K
18.64 mi13:22:512:26:027:5024:19
7:50
#11879
20M
20.00 mi13:33:342:36:457:5010:43
7:53
#11695
21M
21.00 mi13:41:542:45:057:528:20
8:20
#11523
35K
21.75 mi13:47:302:50:417:515:36
7:29
#11372
23M
23.00 mi13:57:173:00:287:519:47
7:49
#11178
24M
24.00 mi14:04:503:08:017:507:33
7:33
#11016
40K
24.85 mi14:11:243:14:357:506:34
7:41
#10866
25.2M
25.20 mi14:14:173:17:287:502:53
8:22
#10817
Finish
26.22 mi14:21:553:25:067:507:38
7:29
#10685
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi146754431443111838(Top 44%)2811(Top 25%)2811(Top 155%)
10K6.21 mi3.10 mi14507+1684343+884343+8814327(Top 54%)4249(Top 37%)4249(Top 234%)
15K9.32 mi3.11 mi13664+8433860+4833860+48311838(Top 44%)2811(Top 25%)2811(Top 155%)
20K12.43 mi3.11 mi13107+5573548+3123548+31211561(Top 43%)2715(Top 24%)2715(Top 149%)
Half13.11 mi0.68 mi12983+1243472+763472+7611052(Top 42%)2394(Top 21%)2394(Top 132%)
25K15.53 mi2.42 mi12488+4953223+2493223+24910211(Top 38%)2094(Top 18%)2094(Top 115%)
30K18.64 mi3.11 mi11879+6092909+3142909+3149587(Top 36%)1965(Top 17%)1965(Top 108%)
20M20.00 mi1.36 mi11695+1842823+862823+869492(Top 36%)2018(Top 18%)2018(Top 111%)
21M21.00 mi1.00 mi11523+1722744+792744+799453(Top 36%)2127(Top 19%)2127(Top 117%)
35K21.75 mi0.75 mi11372+1512668+762668+768510(Top 32%)1709(Top 15%)1709(Top 94%)
23M23.00 mi1.25 mi11178+1942591+772591+778544(Top 32%)1819(Top 16%)1819(Top 100%)
24M24.00 mi1.00 mi11016+1622534+572534+578091(Top 30%)1724(Top 15%)1724(Top 95%)
40K24.85 mi0.85 mi10866+1502486+482486+487888(Top 30%)1718(Top 15%)1718(Top 95%)
25.2M25.20 mi0.35 mi10817+492475+112475+118740(Top 33%)2143(Top 19%)2143(Top 118%)
Finish26.22 mi1.02 mi10685+1322434+412434+418515(Top 32%)2036(Top 18%)2036(Top 112%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11838

Females

2811

F45-49

2811

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

14327

Females

4249

F45-49

4249

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11838

Females

2811

F45-49

2811

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11561

Females

2715

F45-49

2715

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11052

Females

2394

F45-49

2394

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10211

Females

2094

F45-49

2094

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9587

Females

1965

F45-49

1965

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9492

Females

2018

F45-49

2018

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9453

Females

2127

F45-49

2127

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8510

Females

1709

F45-49

1709

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8544

Females

1819

F45-49

1819

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8091

Females

1724

F45-49

1724

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7888

Females

1718

F45-49

1718

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8740

Females

2143

F45-49

2143

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8515

Females

2036

F45-49

2036

Passing Analysis

Category:
Athletes Passed
4358
Passed By
368
Net Change
+3990
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14675
5K → 10K383215+168#14675#14507
10K → 15K85411+843#14507#13664
15K → 20K57316+557#13664#13107
20K → Half1262+124#13107#12983
Half → 25K4972+495#12983#12488
25K → 30K6189+609#12488#11879
30K → 20M20521+184#11879#11695
20M → 21M18614+172#11695#11523
21M → 35K1565+151#11523#11372
35K → 23M20915+194#11372#11178
23M → 24M17816+162#11178#11016
24M → 40K1577+150#11016#10866
40K → 25.2M6011+49#10866#10817
25.2M → Finish15624+132#10817#10685
TOTALS4358368+3990
📊

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