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BOSTON MARATHON 2023

Eleni Southworth

Bib: 24989•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

Start
0:00:00
Race begins
5K· 3.11 mi
33:53
Rank: #25547
Start → 5K
33:53 | 10:54/mi
10K· 6.21 mi
1:07:04
Rank: #25262 (+285)
5K → 10K
33:11 | 10:41/mi
15K· 9.32 mi
1:39:18
Rank: #24903 (+359)
10K → 15K
32:14 | 10:22/mi
20K· 12.43 mi
2:11:56
Rank: #24626 (+277)
15K → 20K
32:38 | 10:30/mi
Half· 13.11 mi
2:19:03
Rank: #24600 (+26)
20K → Half
7:07 | 10:26/mi
25K· 15.53 mi
2:46:21
Rank: #24571 (+29)
Half → 25K
27:18 | 11:16/mi
30K· 18.64 mi
3:19:29
Rank: #24165 (+406)
25K → 30K
33:08 | 10:40/mi
20M
3:33:04
Rank: #23955 (+210)
30K → 20M
13:35 | 10:00/mi
21M
3:44:26
Rank: #23842 (+113)
20M → 21M
11:22 | 11:22/mi
35K· 21.75 mi
3:51:58
Rank: #23764 (+78)
21M → 35K
7:32 | 10:04/mi
23M
4:05:17
Rank: #23655 (+109)
35K → 23M
13:19 | 10:38/mi
24M
4:15:44
Rank: #23584 (+71)
23M → 24M
10:27 | 10:27/mi
40K· 24.85 mi
4:24:23
Rank: #23499 (+85)
24M → 40K
8:39 | 10:07/mi
25.2M
4:28:06
Rank: #23447 (+52)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
4:37:30
Rank: #23330 (+117)
25.2M → Finish
9:24 | 9:13/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:19:03
Pace10:36 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:18:27
Pace10:34 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0933:5310:5433:53
10:54
-
10K
6.21 mi12:23:201:07:0410:4833:11
10:41
-0:13
15K
9.32 mi12:55:341:39:1810:3932:14
10:22
-0:19
20K
12.43 mi13:28:122:11:5610:3732:38
10:30
+0:08
Half
13.11 mi13:35:192:19:0310:367:07
10:26
-0:04
25K
15.53 mi14:02:372:46:2110:4327:18
11:16
+0:50
30K
18.64 mi14:35:453:19:2910:4233:08
10:40
-0:36
20M
20.00 mi14:49:203:33:0410:3913:35
10:00
-0:40
21M
21.00 mi15:00:423:44:2610:4111:22
11:22
+1:22
35K
21.75 mi15:08:143:51:5810:407:32
10:04
-1:18
23M
23.00 mi15:21:334:05:1710:4013:19
10:38
+0:34
24M
24.00 mi15:32:004:15:4410:3910:27
10:27
-0:11
40K
24.85 mi15:40:394:24:2310:388:39
10:07
-0:20
25.2M
25.20 mi15:44:224:28:0610:383:43
10:47
+0:40
Finish
26.22 mi15:53:464:37:3010:359:24
9:13
-1:34

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

9:13 /mi

Average Pace

10:35 /mi

Slowest Pace

11:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:10

14% of race

Time at Steady Pace

2:42:04

58% of race

Time at Slower Pace

1:16:16

27% of race

Average Pace: 10:35 /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 mi11:50:0933:5310:5433:53
10:54
#25547
10K
6.21 mi12:23:201:07:0410:4833:11
10:41
#25262
15K
9.32 mi12:55:341:39:1810:3932:14
10:22
#24903
20K
12.43 mi13:28:122:11:5610:3732:38
10:30
#24626
Half
13.11 mi13:35:192:19:0310:367:07
10:26
#24600
25K
15.53 mi14:02:372:46:2110:4327:18
11:16
#24571
30K
18.64 mi14:35:453:19:2910:4233:08
10:40
#24165
20M
20.00 mi14:49:203:33:0410:3913:35
10:00
#23955
21M
21.00 mi15:00:423:44:2610:4111:22
11:22
#23842
35K
21.75 mi15:08:143:51:5810:407:32
10:04
#23764
23M
23.00 mi15:21:334:05:1710:4013:19
10:38
#23655
24M
24.00 mi15:32:004:15:4410:3910:27
10:27
#23584
40K
24.85 mi15:40:394:24:2310:388:39
10:07
#23499
25.2M
25.20 mi15:44:224:28:0610:383:43
10:47
#23447
Finish
26.22 mi15:53:464:37:3010:359:24
9:13
#23330
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25547107531075324236(Top 91%)10023(Top 88%)10023(Top 205%)
10K6.21 mi3.10 mi25262+28510578+17510578+17524991(Top 94%)10434(Top 91%)10434(Top 214%)
15K9.32 mi3.11 mi24903+35910386+19210386+19224236(Top 91%)10023(Top 88%)10023(Top 205%)
20K12.43 mi3.11 mi24626+27710249+13710249+13723837(Top 90%)9812(Top 86%)9812(Top 201%)
Half13.11 mi0.68 mi24600+2610234+1510234+1524083(Top 90%)9955(Top 87%)9955(Top 204%)
25K15.53 mi2.42 mi24571+2910228+610228+624352(Top 91%)10141(Top 89%)10141(Top 208%)
30K18.64 mi3.11 mi24165+40610016+21210016+21222536(Top 85%)9206(Top 81%)9206(Top 188%)
20M20.00 mi1.36 mi23955+2109897+1199897+11920490(Top 77%)8132(Top 71%)8132(Top 167%)
21M21.00 mi1.00 mi23842+1139852+459852+4521643(Top 81%)8805(Top 77%)8805(Top 180%)
35K21.75 mi0.75 mi23764+789810+429810+4221513(Top 81%)8779(Top 77%)8779(Top 180%)
23M23.00 mi1.25 mi23655+1099756+549756+5421644(Top 81%)8876(Top 78%)8876(Top 182%)
24M24.00 mi1.00 mi23584+719728+289728+2821939(Top 82%)9075(Top 79%)9075(Top 186%)
40K24.85 mi0.85 mi23499+859695+339695+3320315(Top 76%)8236(Top 72%)8236(Top 169%)
25.2M25.20 mi0.35 mi23447+529674+219674+2119976(Top 75%)8065(Top 71%)8065(Top 165%)
Finish26.22 mi1.02 mi23330+1179626+489626+4819071(Top 72%)7487(Top 66%)7487(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

24236

Females

10023

F18-39

10023

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

24991

Females

10434

F18-39

10434

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

24236

Females

10023

F18-39

10023

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

23837

Females

9812

F18-39

9812

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

24083

Females

9955

F18-39

9955

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

24352

Females

10141

F18-39

10141

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22536

Females

9206

F18-39

9206

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20490

Females

8132

F18-39

8132

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

21643

Females

8805

F18-39

8805

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21513

Females

8779

F18-39

8779

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

21644

Females

8876

F18-39

8876

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21939

Females

9075

F18-39

9075

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20315

Females

8236

F18-39

8236

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19976

Females

8065

F18-39

8065

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

19071

Females

7487

F18-39

7487

Passing Analysis

Category:
Athletes Passed
2394
Passed By
177
Net Change
+2217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25547
5K → 10K34358+285#25547#25262
10K → 15K3667+359#25262#24903
15K → 20K28811+277#24903#24626
20K → Half3610+26#24626#24600
Half → 25K8960+29#24600#24571
25K → 30K4104+406#24571#24165
30K → 20M2100+210#24165#23955
20M → 21M12310+113#23955#23842
21M → 35K802+78#23842#23764
35K → 23M1189+109#23764#23655
23M → 24M743+71#23655#23584
24M → 40K850+85#23584#23499
40K → 25.2M531+52#23499#23447
25.2M → Finish1192+117#23447#23330
TOTALS2394177+2217
📊

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