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BOSTON MARATHON 2023

Elizabeth Tedford

Bib: 17216•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
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
25:03
Rank: #14453
Start → 5K
8:04/mi
25:03 split
10K· 6.21 mi
49:52
Rank: #14564 (-111)
5K → 10K
7:59/mi
24:49 split
15K· 9.32 mi
1:14:35
Rank: #14371 (+193)
10K → 15K
7:57/mi
24:43 split
20K· 12.43 mi
1:39:27
Rank: #14130 (+241)
15K → 20K
8:00/mi
24:52 split
Half· 13.11 mi
1:44:53
Rank: #14127 (+3)
20K → Half
7:58/mi
5:26 split
25K· 15.53 mi
2:04:32
Rank: #13994 (+133)
Half → 25K
8:06/mi
19:39 split
30K· 18.64 mi
2:30:29
Rank: #13867 (+127)
25K → 30K
8:21/mi
25:57 split
20M
2:41:58
Rank: #13817 (+50)
30K → 20M
8:27/mi
11:29 split
21M
2:51:12
Rank: #13869 (-52)
20M → 21M
9:14/mi
9:14 split
35K· 21.75 mi
2:57:27
Rank: #13873 (-4)
21M → 35K
8:21/mi
6:15 split
23M
3:08:06
Rank: #13799 (+74)
35K → 23M
8:30/mi
10:39 split
24M
3:16:28
Rank: #13766 (+33)
23M → 24M
8:22/mi
8:22 split
40K· 24.85 mi
3:23:42
Rank: #13734 (+32)
24M → 40K
8:28/mi
7:14 split
25.2M
3:26:52
Rank: #13732 (+2)
40K → 25.2M
9:11/mi
3:10 split
Finish· 26.22 mi
3:35:17
Rank: #13713 (+19)
25.2M → Finish
8:16/mi
8:25 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:53
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:50:24
Pace8:25 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2125:038:0425:03
8:04
-
10K
6.21 mi11:45:1049:528:0224:49
7:59
-0:05
15K
9.32 mi12:09:531:14:358:0024:43
7:57
-0:02
20K
12.43 mi12:34:451:39:278:0024:52
8:00
+0:03
Half
13.11 mi12:40:111:44:538:005:26
7:58
-0:02
25K
15.53 mi12:59:502:04:328:0119:39
8:06
+0:08
30K
18.64 mi13:25:472:30:298:0425:57
8:21
+0:15
20M
20.00 mi13:37:162:41:588:0611:29
8:27
+0:06
21M
21.00 mi13:46:302:51:128:099:14
9:14
+0:47
35K
21.75 mi13:52:452:57:278:106:15
8:21
-0:53
23M
23.00 mi14:03:243:08:068:1110:39
8:30
+0:09
24M
24.00 mi14:11:463:16:288:118:22
8:22
-0:08
40K
24.85 mi14:19:003:23:428:127:14
8:28
+0:06
25.2M
25.20 mi14:22:103:26:528:133:10
9:11
+0:43
Finish
26.22 mi14:30:353:35:178:138:25
8:16
-0:55

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

7:57 /mi

Average Pace

8:13 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:53

94% of race

Time at Steady Pace

12:24

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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 mi11:20:2125:038:0425:03
8:04
#14453
10K
6.21 mi11:45:1049:528:0224:49
7:59
#14564
15K
9.32 mi12:09:531:14:358:0024:43
7:57
#14371
20K
12.43 mi12:34:451:39:278:0024:52
8:00
#14130
Half
13.11 mi12:40:111:44:538:005:26
7:58
#14127
25K
15.53 mi12:59:502:04:328:0119:39
8:06
#13994
30K
18.64 mi13:25:472:30:298:0425:57
8:21
#13867
20M
20.00 mi13:37:162:41:588:0611:29
8:27
#13817
21M
21.00 mi13:46:302:51:128:099:14
9:14
#13869
35K
21.75 mi13:52:452:57:278:106:15
8:21
#13873
23M
23.00 mi14:03:243:08:068:1110:39
8:30
#13799
24M
24.00 mi14:11:463:16:288:118:22
8:22
#13766
40K
24.85 mi14:19:003:23:428:127:14
8:28
#13734
25.2M
25.20 mi14:22:103:26:528:133:10
9:11
#13732
Finish
26.22 mi14:30:353:35:178:138:25
8:16
#13713
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi144534299429914043(Top 53%)4112(Top 36%)4112(Top 84%)
10K6.21 mi3.10 mi14564-1114383-844383-8414732(Top 55%)4498(Top 39%)4498(Top 92%)
15K9.32 mi3.11 mi14371+1934278+1054278+10514043(Top 53%)4112(Top 36%)4112(Top 84%)
20K12.43 mi3.11 mi14130+2414163+1154163+11513484(Top 51%)3817(Top 33%)3817(Top 78%)
Half13.11 mi0.68 mi14127+34156+74156+714122(Top 53%)4153(Top 36%)4153(Top 85%)
25K15.53 mi2.42 mi13994+1334105+514105+5113552(Top 51%)3952(Top 35%)3952(Top 81%)
30K18.64 mi3.11 mi13867+1274057+484057+4813369(Top 50%)3958(Top 35%)3958(Top 81%)
20M20.00 mi1.36 mi13817+504047+104047+1013352(Top 50%)4043(Top 35%)4043(Top 83%)
21M21.00 mi1.00 mi13869-524095-484095-4814652(Top 55%)4845(Top 42%)4845(Top 99%)
35K21.75 mi0.75 mi13873-44117-224117-2214451(Top 54%)4803(Top 42%)4803(Top 98%)
23M23.00 mi1.25 mi13799+744098+194098+1913292(Top 50%)4234(Top 37%)4234(Top 87%)
24M24.00 mi1.00 mi13766+334111-134111-1313659(Top 51%)4478(Top 39%)4478(Top 92%)
40K24.85 mi0.85 mi13734+324103+84103+813100(Top 49%)4256(Top 37%)4256(Top 87%)
25.2M25.20 mi0.35 mi13732+24110-74110-713597(Top 51%)4534(Top 40%)4534(Top 93%)
Finish26.22 mi1.02 mi13713+194122-124122-1213859(Top 52%)4662(Top 41%)4662(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14043

Females

4112

F18-39

4112

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14732

Females

4498

F18-39

4498

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14043

Females

4112

F18-39

4112

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13484

Females

3817

F18-39

3817

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

14122

Females

4153

F18-39

4153

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13552

Females

3952

F18-39

3952

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13369

Females

3958

F18-39

3958

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

13352

Females

4043

F18-39

4043

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

14652

Females

4845

F18-39

4845

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14451

Females

4803

F18-39

4803

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13292

Females

4234

F18-39

4234

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13659

Females

4478

F18-39

4478

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13100

Females

4256

F18-39

4256

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13597

Females

4534

F18-39

4534

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13859

Females

4662

F18-39

4662

Passing Analysis

Category:
Athletes Passed
1941
Passed By
1201
Net Change
+740
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14453
5K → 10K238349-111#14453#14564
10K → 15K28996+193#14564#14371
15K → 20K31271+241#14371#14130
20K → Half2825+3#14130#14127
Half → 25K20370+133#14127#13994
25K → 30K252125+127#13994#13867
30K → 20M11161+50#13867#13817
20M → 21M77129-52#13817#13869
21M → 35K4852-4#13869#13873
35K → 23M12046+74#13873#13799
23M → 24M8754+33#13799#13766
24M → 40K6735+32#13766#13734
40K → 25.2M3432+2#13734#13732
25.2M → Finish7556+19#13732#13713
TOTALS19411201+740
📊

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