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BOSTON MARATHON 2023

Sarah Richards

Bib: 16199•F

CO

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0:00
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 38%
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
24:07
Rank: #12038
Start → 5K
7:46/mi
24:07 split
10K· 6.21 mi
48:22
Rank: #12558 (-520)
5K → 10K
7:48/mi
24:15 split
15K· 9.32 mi
1:13:00
Rank: #12985 (-427)
10K → 15K
7:56/mi
24:38 split
20K· 12.43 mi
1:37:45
Rank: #13004 (-19)
15K → 20K
7:58/mi
24:45 split
Half· 13.11 mi
1:43:09
Rank: #13028 (-24)
20K → Half
7:55/mi
5:24 split
25K· 15.53 mi
2:03:06
Rank: #13274 (-246)
Half → 25K
8:14/mi
19:57 split
30K· 18.64 mi
2:29:30
Rank: #13446 (-172)
25K → 30K
8:30/mi
26:24 split
20M
2:41:32
Rank: #13647 (-201)
30K → 20M
8:51/mi
12:02 split
21M
2:51:09
Rank: #13847 (-200)
20M → 21M
9:37/mi
9:37 split
35K· 21.75 mi
2:57:20
Rank: #13839 (+8)
21M → 35K
8:16/mi
6:11 split
23M
3:08:39
Rank: #13985 (-146)
35K → 23M
9:02/mi
11:19 split
24M
3:17:01
Rank: #13946 (+39)
23M → 24M
8:22/mi
8:22 split
40K· 24.85 mi
3:24:31
Rank: #13961 (-15)
24M → 40K
8:46/mi
7:30 split
25.2M
3:27:45
Rank: #13977 (-16)
40K → 25.2M
9:23/mi
3:14 split
Finish· 26.22 mi
3:36:27
Rank: #14042 (-65)
25.2M → Finish
8:32/mi
8:42 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:09
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:53:18
Pace8:39 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0924:077:4624:07
7:46
-
10K
6.21 mi11:38:2448:227:4724:15
7:48
+0:02
15K
9.32 mi12:03:021:13:007:5024:38
7:56
+0:08
20K
12.43 mi12:27:471:37:457:5224:45
7:58
+0:02
Half
13.11 mi12:33:111:43:097:525:24
7:55
-0:03
25K
15.53 mi12:53:082:03:067:5519:57
8:14
+0:19
30K
18.64 mi13:19:322:29:308:0126:24
8:30
+0:16
20M
20.00 mi13:31:342:41:328:0512:02
8:51
+0:21
21M
21.00 mi13:41:112:51:098:099:37
9:37
+0:46
35K
21.75 mi13:47:222:57:208:096:11
8:16
-1:21
23M
23.00 mi13:58:413:08:398:1211:19
9:02
+0:46
24M
24.00 mi14:07:033:17:018:138:22
8:22
-0:40
40K
24.85 mi14:14:333:24:318:147:30
8:46
+0:24
25.2M
25.20 mi14:17:473:27:458:153:14
9:23
+0:37
Finish
26.22 mi14:26:293:36:278:168:42
8:32
-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

7:46 /mi

Average Pace

8:16 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:09

48% of race

Time at Steady Pace

1:09:36

32% of race

Time at Slower Pace

43:42

20% of race

Average Pace: 8:15 /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 mi11:14:0924:077:4624:07
7:46
#12038
10K
6.21 mi11:38:2448:227:4724:15
7:48
#12558
15K
9.32 mi12:03:021:13:007:5024:38
7:56
#12985
20K
12.43 mi12:27:471:37:457:5224:45
7:58
#13004
Half
13.11 mi12:33:111:43:097:525:24
7:55
#13028
25K
15.53 mi12:53:082:03:067:5519:57
8:14
#13274
30K
18.64 mi13:19:322:29:308:0126:24
8:30
#13446
20M
20.00 mi13:31:342:41:328:0512:02
8:51
#13647
21M
21.00 mi13:41:112:51:098:099:37
9:37
#13847
35K
21.75 mi13:47:222:57:208:096:11
8:16
#13839
23M
23.00 mi13:58:413:08:398:1211:19
9:02
#13985
24M
24.00 mi14:07:033:17:018:138:22
8:22
#13946
40K
24.85 mi14:14:333:24:318:147:30
8:46
#13961
25.2M
25.20 mi14:17:473:27:458:153:14
9:23
#13977
Finish
26.22 mi14:26:293:36:278:168:42
8:32
#14042
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi120382894289413822(Top 52%)3981(Top 35%)3981(Top 82%)
10K6.21 mi3.10 mi12558-5203190-2963190-29613192(Top 50%)3547(Top 31%)3547(Top 73%)
15K9.32 mi3.11 mi12985-4273450-2603450-26013822(Top 52%)3981(Top 35%)3981(Top 82%)
20K12.43 mi3.11 mi13004-193489-393489-3913172(Top 49%)3642(Top 32%)3642(Top 75%)
Half13.11 mi0.68 mi13028-243502-133502-1313770(Top 52%)3957(Top 35%)3957(Top 81%)
25K15.53 mi2.42 mi13274-2463665-1633665-16314450(Top 54%)4477(Top 39%)4477(Top 92%)
30K18.64 mi3.11 mi13446-1723811-1463811-14614308(Top 54%)4512(Top 39%)4512(Top 92%)
20M20.00 mi1.36 mi13647-2013945-1343945-13415752(Top 59%)5416(Top 47%)5416(Top 111%)
21M21.00 mi1.00 mi13847-2004081-1364081-13616506(Top 62%)5910(Top 52%)5910(Top 121%)
35K21.75 mi0.75 mi13839+84096-154096-1513930(Top 52%)4521(Top 40%)4521(Top 93%)
23M23.00 mi1.25 mi13985-1464221-1254221-12516246(Top 61%)5873(Top 51%)5873(Top 120%)
24M24.00 mi1.00 mi13946+394224-34224-313664(Top 51%)4483(Top 39%)4483(Top 92%)
40K24.85 mi0.85 mi13961-154250-264250-2614948(Top 56%)5263(Top 46%)5263(Top 108%)
25.2M25.20 mi0.35 mi13977-164261-114261-1114601(Top 55%)5067(Top 44%)5067(Top 104%)
Finish26.22 mi1.02 mi14042-654324-634324-6315638(Top 59%)5606(Top 49%)5606(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13822

Females

3981

F18-39

3981

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13192

Females

3547

F18-39

3547

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13822

Females

3981

F18-39

3981

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13172

Females

3642

F18-39

3642

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13770

Females

3957

F18-39

3957

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14450

Females

4477

F18-39

4477

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14308

Females

4512

F18-39

4512

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15752

Females

5416

F18-39

5416

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

16506

Females

5910

F18-39

5910

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13930

Females

4521

F18-39

4521

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16246

Females

5873

F18-39

5873

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13664

Females

4483

F18-39

4483

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14948

Females

5263

F18-39

5263

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14601

Females

5067

F18-39

5067

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15638

Females

5606

F18-39

5606

Passing Analysis

Category:
Athletes Passed
1008
Passed By
3012
Net Change
-2004
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12038
5K → 10K130650-520#12038#12558
10K → 15K66493-427#12558#12985
15K → 20K183202-19#12985#13004
20K → Half2145-24#13004#13028
Half → 25K82328-246#13028#13274
25K → 30K136308-172#13274#13446
30K → 20M38239-201#13446#13647
20M → 21M38238-200#13647#13847
21M → 35K5244+8#13847#13839
35K → 23M49195-146#13839#13985
23M → 24M8344+39#13985#13946
24M → 40K6176-15#13946#13961
40K → 25.2M2541-16#13961#13977
25.2M → Finish44109-65#13977#14042
TOTALS10083012-2004
📊

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