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BOSTON MARATHON 2023

Sarah Comer

Bib: 30878•F

CA

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
28:49
Rank: #21451
Start → 5K
28:49 | 9:17/mi
10K· 6.21 mi
57:39
Rank: #21662 (-211)
5K → 10K
28:50 | 9:17/mi
15K· 9.32 mi
1:26:56
Rank: #21764 (-102)
10K → 15K
29:17 | 9:26/mi
20K· 12.43 mi
1:57:08
Rank: #21874 (-110)
15K → 20K
30:12 | 9:43/mi
Half· 13.11 mi
2:03:15
Rank: #21807 (+67)
20K → Half
6:07 | 8:58/mi
25K· 15.53 mi
2:26:09
Rank: #21614 (+193)
Half → 25K
22:54 | 9:27/mi
30K· 18.64 mi
2:55:58
Rank: #21293 (+321)
25K → 30K
29:49 | 9:36/mi
20M
3:09:10
Rank: #21153 (+140)
30K → 20M
13:12 | 9:43/mi
21M
3:19:59
Rank: #21105 (+48)
20M → 21M
10:49 | 10:49/mi
35K· 21.75 mi
3:26:47
Rank: #21001 (+104)
21M → 35K
6:48 | 9:05/mi
23M
3:38:59
Rank: #20861 (+140)
35K → 23M
12:12 | 9:45/mi
24M
3:47:56
Rank: #20727 (+134)
23M → 24M
8:57 | 8:57/mi
40K· 24.85 mi
3:56:00
Rank: #20621 (+106)
24M → 40K
8:04 | 9:26/mi
25.2M
3:59:26
Rank: #20571 (+50)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
4:08:10
Rank: #20416 (+155)
25.2M → Finish
8:44 | 8:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:15
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:04:55
Pace9:32 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3128:499:1728:49
9:17
-
10K
6.21 mi12:15:2157:399:1728:50
9:17
0:00
15K
9.32 mi12:44:381:26:569:2029:17
9:26
+0:09
20K
12.43 mi13:14:501:57:089:2630:12
9:43
+0:17
Half
13.11 mi13:20:572:03:159:246:07
8:58
-0:45
25K
15.53 mi13:43:512:26:099:2422:54
9:27
+0:29
30K
18.64 mi14:13:402:55:589:2629:49
9:36
+0:09
20M
20.00 mi14:26:523:09:109:2713:12
9:43
+0:07
21M
21.00 mi14:37:413:19:599:3110:49
10:49
+1:06
35K
21.75 mi14:44:293:26:479:306:48
9:05
-1:44
23M
23.00 mi14:56:413:38:599:3112:12
9:45
+0:40
24M
24.00 mi15:05:383:47:569:308:57
8:57
-0:48
40K
24.85 mi15:13:423:56:009:308:04
9:26
+0:29
25.2M
25.20 mi15:17:083:59:269:303:26
9:57
+0:31
Finish
26.22 mi15:25:524:08:109:288:44
8:34
-1:23

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

8:34 /mi

Average Pace

9:28 /mi

Slowest Pace

10:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:36

12% of race

Time at Steady Pace

2:27:43

60% of race

Time at Slower Pace

1:09:51

28% of race

Average Pace: 9:28 /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 mi11:46:3128:499:1728:49
9:17
#21451
10K
6.21 mi12:15:2157:399:1728:50
9:17
#21662
15K
9.32 mi12:44:381:26:569:2029:17
9:26
#21764
20K
12.43 mi13:14:501:57:089:2630:12
9:43
#21874
Half
13.11 mi13:20:572:03:159:246:07
8:58
#21807
25K
15.53 mi13:43:512:26:099:2422:54
9:27
#21614
30K
18.64 mi14:13:402:55:589:2629:49
9:36
#21293
20M
20.00 mi14:26:523:09:109:2713:12
9:43
#21153
21M
21.00 mi14:37:413:19:599:3110:49
10:49
#21105
35K
21.75 mi14:44:293:26:479:306:48
9:05
#21001
23M
23.00 mi14:56:413:38:599:3112:12
9:45
#20861
24M
24.00 mi15:05:383:47:569:308:57
8:57
#20727
40K
24.85 mi15:13:423:56:009:308:04
9:26
#20621
25.2M
25.20 mi15:17:083:59:269:303:26
9:57
#20571
Finish
26.22 mi15:25:524:08:109:288:44
8:34
#20416
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi214518610861022030(Top 83%)8803(Top 77%)8803(Top 180%)
10K6.21 mi3.10 mi21662-2118670-608670-6021870(Top 82%)8747(Top 77%)8747(Top 179%)
15K9.32 mi3.11 mi21764-1028705-358705-3522030(Top 83%)8803(Top 77%)8803(Top 180%)
20K12.43 mi3.11 mi21874-1108758-538758-5322219(Top 83%)8918(Top 78%)8918(Top 183%)
Half13.11 mi0.68 mi21807+678715+438715+4320340(Top 76%)7875(Top 69%)7875(Top 161%)
25K15.53 mi2.42 mi21614+1938606+1098606+10920664(Top 78%)8082(Top 71%)8082(Top 165%)
30K18.64 mi3.11 mi21293+3218446+1608446+16019786(Top 74%)7643(Top 67%)7643(Top 156%)
20M20.00 mi1.36 mi21153+1408391+558391+5519606(Top 74%)7642(Top 67%)7642(Top 156%)
21M21.00 mi1.00 mi21105+488381+108381+1020423(Top 77%)8158(Top 71%)8158(Top 167%)
35K21.75 mi0.75 mi21001+1048325+568325+5618319(Top 69%)7020(Top 61%)7020(Top 144%)
23M23.00 mi1.25 mi20861+1408256+698256+6919248(Top 72%)7556(Top 66%)7556(Top 155%)
24M24.00 mi1.00 mi20727+1348192+648192+6417038(Top 64%)6388(Top 56%)6388(Top 131%)
40K24.85 mi0.85 mi20621+1068141+518141+5118138(Top 68%)7024(Top 61%)7024(Top 144%)
25.2M25.20 mi0.35 mi20571+508120+218120+2117286(Top 65%)6612(Top 58%)6612(Top 135%)
Finish26.22 mi1.02 mi20416+1558038+828038+8215866(Top 60%)5745(Top 50%)5745(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

22030

Females

8803

F18-39

8803

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21870

Females

8747

F18-39

8747

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

22030

Females

8803

F18-39

8803

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

22219

Females

8918

F18-39

8918

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20340

Females

7875

F18-39

7875

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20664

Females

8082

F18-39

8082

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19786

Females

7643

F18-39

7643

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19606

Females

7642

F18-39

7642

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20423

Females

8158

F18-39

8158

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18319

Females

7020

F18-39

7020

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19248

Females

7556

F18-39

7556

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

17038

Females

6388

F18-39

6388

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18138

Females

7024

F18-39

7024

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17286

Females

6612

F18-39

6612

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

15866

Females

5745

F18-39

5745

Passing Analysis

Category:
Athletes Passed
1966
Passed By
931
Net Change
+1035
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21451
5K → 10K187398-211#21451#21662
10K → 15K123225-102#21662#21764
15K → 20K91201-110#21764#21874
20K → Half725+67#21874#21807
Half → 25K21017+193#21807#21614
25K → 30K3298+321#21614#21293
30K → 20M15212+140#21293#21153
20M → 21M8638+48#21153#21105
21M → 35K1084+104#21105#21001
35K → 23M15414+140#21001#20861
23M → 24M1351+134#20861#20727
24M → 40K1082+106#20727#20621
40K → 25.2M522+50#20621#20571
25.2M → Finish1594+155#20571#20416
TOTALS1966931+1035
📊

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