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BOSTON MARATHON 2023

Sara Skarabot Pedersen

Bib: 31752•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 29%
Division (F18-39)
#0 / 4884
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:57
Rank: #18710
Start → 5K
8:40/mi
26:57 split
10K· 6.21 mi
51:19
Rank: #16227 (+2483)
5K → 10K
7:51/mi
24:22 split
15K· 9.32 mi
1:15:17
Rank: #14962 (+1265)
10K → 15K
7:43/mi
23:58 split
20K· 12.43 mi
1:39:20
Rank: #14045 (+917)
15K → 20K
7:44/mi
24:03 split
Half· 13.11 mi
1:44:35
Rank: #13928 (+117)
20K → Half
7:42/mi
5:15 split
25K· 15.53 mi
2:03:19
Rank: #13371 (+557)
Half → 25K
7:44/mi
18:44 split
30K· 18.64 mi
2:27:59
Rank: #12816 (+555)
25K → 30K
7:56/mi
24:40 split
20M
2:40:51
Rank: #13362 (-546)
30K → 20M
9:28/mi
12:52 split
21M
2:49:34
Rank: #13251 (+111)
20M → 21M
8:43/mi
8:43 split
35K· 21.75 mi
2:55:30
Rank: #13166 (+85)
21M → 35K
7:56/mi
5:56 split
23M
3:05:33
Rank: #12949 (+217)
35K → 23M
8:02/mi
10:03 split
24M
3:13:20
Rank: #12804 (+145)
23M → 24M
7:47/mi
7:47 split
40K· 24.85 mi
3:20:08
Rank: #12683 (+121)
24M → 40K
7:57/mi
6:48 split
25.2M
3:23:00
Rank: #12616 (+67)
40K → 25.2M
8:19/mi
2:52 split
Finish· 26.22 mi
3:30:29
Rank: #12400 (+216)
25.2M → Finish
7:21/mi
7:29 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:35
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:45:54
Pace8:05 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0626:578:4026:57
8:40
-
10K
6.21 mi12:12:2851:198:1624:22
7:51
-0:49
15K
9.32 mi12:36:261:15:178:0523:58
7:43
-0:08
20K
12.43 mi13:00:291:39:208:0024:03
7:44
+0:01
Half
13.11 mi13:05:441:44:357:595:15
7:42
-0:02
25K
15.53 mi13:24:282:03:197:5618:44
7:44
+0:02
30K
18.64 mi13:49:082:27:597:5624:40
7:56
+0:12
20M
20.00 mi14:02:002:40:518:0312:52
9:28
+1:32
21M
21.00 mi14:10:432:49:348:048:43
8:43
-0:45
35K
21.75 mi14:16:392:55:308:045:56
7:56
-0:47
23M
23.00 mi14:26:423:05:338:0410:03
8:02
+0:06
24M
24.00 mi14:34:293:13:208:037:47
7:47
-0:15
40K
24.85 mi14:41:173:20:088:036:48
7:57
+0:10
25.2M
25.20 mi14:44:093:23:008:032:52
8:19
+0:22
Finish
26.22 mi14:51:383:30:298:027:29
7:21
-0:58

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

7:21 /mi

Average Pace

8:02 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:29

4% of race

Time at Steady Pace

2:31:36

72% of race

Time at Slower Pace

51:24

24% of race

Average Pace: 8:02 /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 mi11:48:0626:578:4026:57
8:40
#18710
10K
6.21 mi12:12:2851:198:1624:22
7:51
#16227
15K
9.32 mi12:36:261:15:178:0523:58
7:43
#14962
20K
12.43 mi13:00:291:39:208:0024:03
7:44
#14045
Half
13.11 mi13:05:441:44:357:595:15
7:42
#13928
25K
15.53 mi13:24:282:03:197:5618:44
7:44
#13371
30K
18.64 mi13:49:082:27:597:5624:40
7:56
#12816
20M
20.00 mi14:02:002:40:518:0312:52
9:28
#13362
21M
21.00 mi14:10:432:49:348:048:43
8:43
#13251
35K
21.75 mi14:16:392:55:308:045:56
7:56
#13166
23M
23.00 mi14:26:423:05:338:0410:03
8:02
#12949
24M
24.00 mi14:34:293:13:208:037:47
7:47
#12804
40K
24.85 mi14:41:173:20:088:036:48
7:57
#12683
25.2M
25.20 mi14:44:093:23:008:032:52
8:19
#12616
Finish
26.22 mi14:51:383:30:298:027:29
7:21
#12400
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi187107006700611985(Top 45%)2896(Top 25%)2896(Top 59%)
10K6.21 mi3.10 mi16227+24835409+15975409+159713499(Top 51%)3723(Top 33%)3723(Top 76%)
15K9.32 mi3.11 mi14962+12654636+7734636+77311985(Top 45%)2896(Top 25%)2896(Top 59%)
20K12.43 mi3.11 mi14045+9174111+5254111+52511255(Top 42%)2547(Top 22%)2547(Top 52%)
Half13.11 mi0.68 mi13928+1174041+704041+7011933(Top 45%)2885(Top 25%)2885(Top 59%)
25K15.53 mi2.42 mi13371+5573727+3143727+31410531(Top 40%)2254(Top 20%)2254(Top 46%)
30K18.64 mi3.11 mi12816+5553440+2873440+28710453(Top 39%)2371(Top 21%)2371(Top 49%)
20M20.00 mi1.36 mi13362-5463775-3353775-33518747(Top 70%)7151(Top 63%)7151(Top 146%)
21M21.00 mi1.00 mi13251+1113721+543721+5411789(Top 44%)3295(Top 29%)3295(Top 67%)
35K21.75 mi0.75 mi13166+853690+313690+3111659(Top 44%)3238(Top 28%)3238(Top 66%)
23M23.00 mi1.25 mi12949+2173599+913599+919976(Top 37%)2508(Top 22%)2508(Top 51%)
24M24.00 mi1.00 mi12804+1453536+633536+639715(Top 36%)2464(Top 22%)2464(Top 50%)
40K24.85 mi0.85 mi12683+1213481+553481+559778(Top 37%)2554(Top 22%)2554(Top 52%)
25.2M25.20 mi0.35 mi12616+673453+283453+288505(Top 32%)2056(Top 18%)2056(Top 42%)
Finish26.22 mi1.02 mi12400+2163348+1053348+1057447(Top 28%)1615(Top 14%)1615(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

11985

Females

2896

F18-39

2896

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13499

Females

3723

F18-39

3723

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

11985

Females

2896

F18-39

2896

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11255

Females

2547

F18-39

2547

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

11933

Females

2885

F18-39

2885

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10531

Females

2254

F18-39

2254

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10453

Females

2371

F18-39

2371

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18747

Females

7151

F18-39

7151

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11789

Females

3295

F18-39

3295

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11659

Females

3238

F18-39

3238

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9976

Females

2508

F18-39

2508

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9715

Females

2464

F18-39

2464

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9778

Females

2554

F18-39

2554

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8505

Females

2056

F18-39

2056

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7447

Females

1615

F18-39

1615

Passing Analysis

Category:
Athletes Passed
7012
Passed By
702
Net Change
+6310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18710
5K → 10K249916+2483#18710#16227
10K → 15K12661+1265#16227#14962
15K → 20K9225+917#14962#14045
20K → Half1203+117#14045#13928
Half → 25K5581+557#13928#13371
25K → 30K57015+555#13371#12816
30K → 20M19565-546#12816#13362
20M → 21M14938+111#13362#13251
21M → 35K10116+85#13251#13166
35K → 23M2258+217#13166#12949
23M → 24M16217+145#12949#12804
24M → 40K1298+121#12804#12683
40K → 25.2M747+67#12683#12616
25.2M → Finish2182+216#12616#12400
TOTALS7012702+6310
📊

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