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BOSTON MARATHON 2023

Cheryl Tedford

Bib: 13067•F

TN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Division (F18-39)
#0 / 4884
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:36
Rank: #10520
Start → 5K
23:36 | 7:36/mi
10K· 6.21 mi
46:30
Rank: #9876 (+644)
5K → 10K
22:54 | 7:22/mi
15K· 9.32 mi
1:09:50
Rank: #9968 (-92)
10K → 15K
23:20 | 7:31/mi
20K· 12.43 mi
1:33:32
Rank: #10065 (-97)
15K → 20K
23:42 | 7:38/mi
Half· 13.11 mi
1:38:44
Rank: #10122 (-57)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:57:34
Rank: #10214 (-92)
Half → 25K
18:50 | 7:46/mi
30K· 18.64 mi
2:22:57
Rank: #10515 (-301)
25K → 30K
25:23 | 8:10/mi
20M
2:34:08
Rank: #10611 (-96)
30K → 20M
11:11 | 8:14/mi
21M
2:42:45
Rank: #10619 (-8)
20M → 21M
8:37 | 8:37/mi
35K· 21.75 mi
2:48:42
Rank: #10629 (-10)
21M → 35K
5:57 | 7:57/mi
23M
2:58:57
Rank: #10642 (-13)
35K → 23M
10:15 | 8:11/mi
24M
3:06:47
Rank: #10608 (+34)
23M → 24M
7:50 | 7:50/mi
40K· 24.85 mi
3:13:36
Rank: #10544 (+64)
24M → 40K
6:49 | 7:58/mi
25.2M
3:16:32
Rank: #10521 (+23)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:24:16
Rank: #10432 (+89)
25.2M → Finish
7:44 | 7:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:44
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:45:32
Pace8:03 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5023:367:3623:36
7:36
-
10K
6.21 mi11:15:4446:307:2922:54
7:22
-0:14
15K
9.32 mi11:39:041:09:507:3023:20
7:31
+0:09
20K
12.43 mi12:02:461:33:327:3223:42
7:38
+0:07
Half
13.11 mi12:07:581:38:447:325:12
7:37
-0:01
25K
15.53 mi12:26:481:57:347:3418:50
7:46
+0:09
30K
18.64 mi12:52:112:22:577:4025:23
8:10
+0:24
20M
20.00 mi13:03:222:34:087:4211:11
8:14
+0:04
21M
21.00 mi13:11:592:42:457:458:37
8:37
+0:23
35K
21.75 mi13:17:562:48:427:455:57
7:57
-0:40
23M
23.00 mi13:28:112:58:577:4710:15
8:11
+0:14
24M
24.00 mi13:36:013:06:477:477:50
7:50
-0:21
40K
24.85 mi13:42:503:13:367:476:49
7:58
+0:08
25.2M
25.20 mi13:45:463:16:327:482:56
8:30
+0:32
Finish
26.22 mi13:53:303:24:167:487:44
7:35
-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

7:22 /mi

Average Pace

7:48 /mi

Slowest Pace

8:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:54

71% of race

Time at Steady Pace

58:22

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi10:52:5023:367:3623:36
7:36
#10520
10K
6.21 mi11:15:4446:307:2922:54
7:22
#9876
15K
9.32 mi11:39:041:09:507:3023:20
7:31
#9968
20K
12.43 mi12:02:461:33:327:3223:42
7:38
#10065
Half
13.11 mi12:07:581:38:447:325:12
7:37
#10122
25K
15.53 mi12:26:481:57:347:3418:50
7:46
#10214
30K
18.64 mi12:52:112:22:577:4025:23
8:10
#10515
20M
20.00 mi13:03:222:34:087:4211:11
8:14
#10611
21M
21.00 mi13:11:592:42:457:458:37
8:37
#10619
35K
21.75 mi13:17:562:48:427:455:57
7:57
#10629
23M
23.00 mi13:28:112:58:577:4710:15
8:11
#10642
24M
24.00 mi13:36:013:06:477:477:50
7:50
#10608
40K
24.85 mi13:42:503:13:367:476:49
7:58
#10544
25.2M
25.20 mi13:45:463:16:327:482:56
8:30
#10521
Finish
26.22 mi13:53:303:24:167:487:44
7:35
#10432
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi105202094209410275(Top 39%)1973(Top 17%)1973(Top 40%)
10K6.21 mi3.10 mi9876+6441784+3101784+3109404(Top 35%)1587(Top 14%)1587(Top 32%)
15K9.32 mi3.11 mi9968-921813-291813-2910275(Top 39%)1973(Top 17%)1973(Top 40%)
20K12.43 mi3.11 mi10065-971862-491862-4910318(Top 39%)2060(Top 18%)2060(Top 42%)
Half13.11 mi0.68 mi10122-571895-331895-3311255(Top 42%)2486(Top 22%)2486(Top 51%)
25K15.53 mi2.42 mi10214-921956-611956-6110864(Top 41%)2416(Top 21%)2416(Top 49%)
30K18.64 mi3.11 mi10515-3012161-2052161-20512133(Top 46%)3258(Top 29%)3258(Top 67%)
20M20.00 mi1.36 mi10611-962231-702231-7011888(Top 45%)3204(Top 28%)3204(Top 66%)
21M21.00 mi1.00 mi10619-82260-292260-2911161(Top 42%)2943(Top 26%)2943(Top 60%)
35K21.75 mi0.75 mi10629-102288-282288-2811789(Top 44%)3296(Top 29%)3296(Top 67%)
23M23.00 mi1.25 mi10642-132325-372325-3711109(Top 42%)3063(Top 27%)3063(Top 63%)
24M24.00 mi1.00 mi10608+342329-42329-410053(Top 38%)2622(Top 23%)2622(Top 54%)
40K24.85 mi0.85 mi10544+642332-32332-39901(Top 37%)2599(Top 23%)2599(Top 53%)
25.2M25.20 mi0.35 mi10521+232329+32329+39635(Top 36%)2518(Top 22%)2518(Top 52%)
Finish26.22 mi1.02 mi10432+892308+212308+219230(Top 35%)2339(Top 20%)2339(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10275

Females

1973

F18-39

1973

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9404

Females

1587

F18-39

1587

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10275

Females

1973

F18-39

1973

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10318

Females

2060

F18-39

2060

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11255

Females

2486

F18-39

2486

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10864

Females

2416

F18-39

2416

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12133

Females

3258

F18-39

3258

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11888

Females

3204

F18-39

3204

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11161

Females

2943

F18-39

2943

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11789

Females

3296

F18-39

3296

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11109

Females

3063

F18-39

3063

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10053

Females

2622

F18-39

2622

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9901

Females

2599

F18-39

2599

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9635

Females

2518

F18-39

2518

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9230

Females

2339

F18-39

2339

Passing Analysis

Category:
Athletes Passed
1821*
Passed By
1731
Net Change
+88
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10520
5K → 10K727*83+644#10520#9876
10K → 15K150241-92#9876#9968
15K → 20K140237-97#9968#10065
20K → Half1773-57#10065#10122
Half → 25K97189-92#10122#10214
25K → 30K87388-301#10214#10515
30K → 20M52*148-96#10515#10611
20M → 21M7280-8#10611#10619
21M → 35K5161-10#10619#10629
35K → 23M8194-13#10629#10642
23M → 24M8551+34#10642#10608
24M → 40K10036+64#10608#10544
40K → 25.2M4017+23#10544#10521
25.2M → Finish12233+89#10521#10432
TOTALS1821*1731+88

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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