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BOSTON MARATHON 2023

Sarah Homer

Bib: 17100•F

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
23:25
Rank: #9978
Start → 5K
23:25 | 7:32/mi
10K· 6.21 mi
46:58
Rank: #10557 (-579)
5K → 10K
23:33 | 7:35/mi
15K· 9.32 mi
1:10:36
Rank: #10712 (-155)
10K → 15K
23:38 | 7:36/mi
20K· 12.43 mi
1:34:27
Rank: #10717 (-5)
15K → 20K
23:51 | 7:41/mi
Half· 13.11 mi
1:39:42
Rank: #10767 (-50)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
1:58:28
Rank: #10703 (+64)
Half → 25K
18:46 | 7:44/mi
30K· 18.64 mi
2:23:17
Rank: #10650 (+53)
25K → 30K
24:49 | 7:59/mi
20M
2:34:12
Rank: #10635 (+15)
30K → 20M
10:55 | 8:02/mi
21M
2:42:56
Rank: #10681 (-46)
20M → 21M
8:44 | 8:44/mi
35K· 21.75 mi
2:48:41
Rank: #10622 (+59)
21M → 35K
5:45 | 7:41/mi
23M
2:58:38
Rank: #10545 (+77)
35K → 23M
9:57 | 7:57/mi
24M
3:06:21
Rank: #10461 (+84)
23M → 24M
7:43 | 7:43/mi
40K· 24.85 mi
3:13:12
Rank: #10423 (+38)
24M → 40K
6:51 | 8:01/mi
25.2M
3:16:13
Rank: #10423
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:24:16
Rank: #10434 (-11)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:42
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:44:34
Pace7:59 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5523:257:3223:25
7:32
-
10K
6.21 mi11:38:2846:587:3423:33
7:35
+0:03
15K
9.32 mi12:02:061:10:367:3423:38
7:36
+0:01
20K
12.43 mi12:25:571:34:277:3623:51
7:41
+0:05
Half
13.11 mi12:31:121:39:427:365:15
7:42
+0:01
25K
15.53 mi12:49:581:58:287:3818:46
7:44
+0:02
30K
18.64 mi13:14:472:23:177:4124:49
7:59
+0:15
20M
20.00 mi13:25:422:34:127:4310:55
8:02
+0:03
21M
21.00 mi13:34:262:42:567:468:44
8:44
+0:42
35K
21.75 mi13:40:112:48:417:455:45
7:41
-1:03
23M
23.00 mi13:50:082:58:387:469:57
7:57
+0:16
24M
24.00 mi13:57:513:06:217:467:43
7:43
-0:14
40K
24.85 mi14:04:423:13:127:466:51
8:01
+0:18
25.2M
25.20 mi14:07:433:16:137:473:01
8:45
+0:44
Finish
26.22 mi14:15:463:24:167:488:03
7:54
-0:51

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

7:32 /mi

Average Pace

7:48 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:31

94% of race

Time at Steady Pace

11:45

6% 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 mi11:14:5523:257:3223:25
7:32
#9978
10K
6.21 mi11:38:2846:587:3423:33
7:35
#10557
15K
9.32 mi12:02:061:10:367:3423:38
7:36
#10712
20K
12.43 mi12:25:571:34:277:3623:51
7:41
#10717
Half
13.11 mi12:31:121:39:427:365:15
7:42
#10767
25K
15.53 mi12:49:581:58:287:3818:46
7:44
#10703
30K
18.64 mi13:14:472:23:177:4124:49
7:59
#10650
20M
20.00 mi13:25:422:34:127:4310:55
8:02
#10635
21M
21.00 mi13:34:262:42:567:468:44
8:44
#10681
35K
21.75 mi13:40:112:48:417:455:45
7:41
#10622
23M
23.00 mi13:50:082:58:387:469:57
7:57
#10545
24M
24.00 mi13:57:513:06:217:467:43
7:43
#10461
40K
24.85 mi14:04:423:13:127:466:51
8:01
#10423
25.2M
25.20 mi14:07:433:16:137:473:01
8:45
#10423
Finish
26.22 mi14:15:463:24:167:488:03
7:54
#10434
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi99781853185311091(Top 42%)2402(Top 21%)2402(Top 49%)
10K6.21 mi3.10 mi10557-5792100-2472100-24711151(Top 42%)2402(Top 21%)2402(Top 49%)
15K9.32 mi3.11 mi10712-1552175-752175-7511091(Top 42%)2402(Top 21%)2402(Top 49%)
20K12.43 mi3.11 mi10717-52197-222197-2210742(Top 40%)2279(Top 20%)2279(Top 47%)
Half13.11 mi0.68 mi10767-502228-312228-3111872(Top 45%)2824(Top 25%)2824(Top 58%)
25K15.53 mi2.42 mi10703+642200+282200+2810634(Top 40%)2304(Top 20%)2304(Top 47%)
30K18.64 mi3.11 mi10650+532228-282228-2810806(Top 41%)2544(Top 22%)2544(Top 52%)
20M20.00 mi1.36 mi10635+152248-202248-2010531(Top 40%)2498(Top 22%)2498(Top 51%)
21M21.00 mi1.00 mi10681-462294-462294-4611882(Top 45%)3329(Top 29%)3329(Top 68%)
35K21.75 mi0.75 mi10622+592286+82286+89872(Top 37%)2297(Top 20%)2297(Top 47%)
23M23.00 mi1.25 mi10545+772273+132273+139417(Top 35%)2226(Top 19%)2226(Top 46%)
24M24.00 mi1.00 mi10461+842261+122261+129221(Top 35%)2209(Top 19%)2209(Top 45%)
40K24.85 mi0.85 mi10423+382269-82269-810150(Top 38%)2722(Top 24%)2722(Top 56%)
25.2M25.20 mi0.35 mi104232283-142283-1411054(Top 42%)3212(Top 28%)3212(Top 66%)
Finish26.22 mi1.02 mi10434-112310-272310-2711406(Top 43%)3394(Top 30%)3394(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11091

Females

2402

F18-39

2402

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11151

Females

2402

F18-39

2402

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11091

Females

2402

F18-39

2402

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10742

Females

2279

F18-39

2279

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

11872

Females

2824

F18-39

2824

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10634

Females

2304

F18-39

2304

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10806

Females

2544

F18-39

2544

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10531

Females

2498

F18-39

2498

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

11882

Females

3329

F18-39

3329

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9872

Females

2297

F18-39

2297

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9417

Females

2226

F18-39

2226

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9221

Females

2209

F18-39

2209

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10150

Females

2722

F18-39

2722

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11054

Females

3212

F18-39

3212

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11406

Females

3394

F18-39

3394

Passing Analysis

Category:
Athletes Passed
1401*
Passed By
1856
Net Change
-456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9978
5K → 10K97675-579#9978#10557
10K → 15K131286-155#10557#10712
15K → 20K156161-5#10712#10717
20K → Half1363-50#10717#10767
Half → 25K15490+64#10767#10703
25K → 30K204151+53#10703#10650
30K → 20M86*71+15#10650#10635
20M → 21M55101-46#10635#10681
21M → 35K8122+59#10681#10622
35K → 23M12043+77#10622#10545
23M → 24M11329+84#10545#10461
24M → 40K8345+38#10461#10423
40K → 25.2M37370#10423#10423
25.2M → Finish7182-11#10423#10434
TOTALS1401*1856-456

* 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