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BOSTON MARATHON 2023

Robyn St. Laurent

Bib: 10897•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 25%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:19
Rank: #7403
Start → 5K
22:19 | 7:11/mi
10K· 6.21 mi
43:32
Rank: #6536 (+867)
5K → 10K
21:13 | 6:50/mi
15K· 9.32 mi
1:04:44
Rank: #6164 (+372)
10K → 15K
21:12 | 6:49/mi
20K· 12.43 mi
1:26:22
Rank: #6052 (+112)
15K → 20K
21:38 | 6:58/mi
Half· 13.11 mi
1:31:08
Rank: #6070 (-18)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:48:32
Rank: #6135 (-65)
Half → 25K
17:24 | 7:11/mi
30K· 18.64 mi
2:12:28
Rank: #6441 (-306)
25K → 30K
23:56 | 7:42/mi
20M
2:23:14
Rank: #6594 (-153)
30K → 20M
10:46 | 7:55/mi
21M
2:32:04
Rank: #6831 (-237)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
2:37:53
Rank: #6898 (-67)
21M → 35K
5:49 | 7:46/mi
23M
2:47:43
Rank: #6944 (-46)
35K → 23M
9:50 | 7:51/mi
24M
2:55:25
Rank: #7006 (-62)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:01:45
Rank: #6943 (+63)
24M → 40K
6:20 | 7:24/mi
25.2M
3:04:20
Rank: #6857 (+86)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:11:20
Rank: #6720 (+137)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:08
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:40:12
Pace7:39 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2922:197:1122:19
7:11
-
10K
6.21 mi11:09:4243:327:0021:13
6:50
-0:21
15K
9.32 mi11:30:541:04:446:5721:12
6:49
-0:01
20K
12.43 mi11:52:321:26:226:5721:38
6:58
+0:09
Half
13.11 mi11:57:181:31:086:574:46
6:59
+0:01
25K
15.53 mi12:14:421:48:326:5917:24
7:11
+0:12
30K
18.64 mi12:38:382:12:287:0623:56
7:42
+0:31
20M
20.00 mi12:49:242:23:147:1010:46
7:55
+0:13
21M
21.00 mi12:58:142:32:047:148:50
8:50
+0:55
35K
21.75 mi13:04:032:37:537:165:49
7:46
-1:04
23M
23.00 mi13:13:532:47:437:189:50
7:51
+0:05
24M
24.00 mi13:21:352:55:257:197:42
7:42
-0:09
40K
24.85 mi13:27:553:01:457:196:20
7:24
-0:18
25.2M
25.20 mi13:30:303:04:207:192:35
7:29
+0:05
Finish
26.22 mi13:37:303:11:207:187:00
6:52
-0:37

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

6:49 /mi

Average Pace

7:18 /mi

Slowest Pace

8:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:49

40% of race

Time at Steady Pace

48:38

25% of race

Time at Slower Pace

1:06:53

35% of race

Average Pace: 7:18 /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 mi10:48:2922:197:1122:19
7:11
#7403
10K
6.21 mi11:09:4243:327:0021:13
6:50
#6536
15K
9.32 mi11:30:541:04:446:5721:12
6:49
#6164
20K
12.43 mi11:52:321:26:226:5721:38
6:58
#6052
Half
13.11 mi11:57:181:31:086:574:46
6:59
#6070
25K
15.53 mi12:14:421:48:326:5917:24
7:11
#6135
30K
18.64 mi12:38:382:12:287:0623:56
7:42
#6441
20M
20.00 mi12:49:242:23:147:1010:46
7:55
#6594
21M
21.00 mi12:58:142:32:047:148:50
8:50
#6831
35K
21.75 mi13:04:032:37:537:165:49
7:46
#6898
23M
23.00 mi13:13:532:47:437:189:50
7:51
#6944
24M
24.00 mi13:21:352:55:257:197:42
7:42
#7006
40K
24.85 mi13:27:553:01:457:196:20
7:24
#6943
25.2M
25.20 mi13:30:303:04:207:192:35
7:29
#6857
Finish
26.22 mi13:37:303:11:207:187:00
6:52
#6720
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi74038208205353(Top 20%)409(Top 4%)409(Top 8%)
10K6.21 mi3.10 mi6536+867632+188632+1885585(Top 21%)451(Top 4%)451(Top 9%)
15K9.32 mi3.11 mi6164+372552+80552+805353(Top 20%)409(Top 4%)409(Top 8%)
20K12.43 mi3.11 mi6052+112528+24528+245760(Top 22%)480(Top 4%)480(Top 10%)
Half13.11 mi0.68 mi6070-18530-2530-26519(Top 24%)642(Top 6%)642(Top 13%)
25K15.53 mi2.42 mi6135-65548-18548-186557(Top 25%)716(Top 6%)716(Top 15%)
30K18.64 mi3.11 mi6441-306635-87635-878665(Top 33%)1574(Top 14%)1574(Top 32%)
20M20.00 mi1.36 mi6594-153690-55690-559728(Top 37%)2114(Top 19%)2114(Top 43%)
21M21.00 mi1.00 mi6831-237753-63753-6312447(Top 47%)3646(Top 32%)3646(Top 75%)
35K21.75 mi0.75 mi6898-67784-31784-3110484(Top 39%)2584(Top 23%)2584(Top 53%)
23M23.00 mi1.25 mi6944-46825-41825-418766(Top 33%)1913(Top 17%)1913(Top 39%)
24M24.00 mi1.00 mi7006-62863-38863-389095(Top 34%)2139(Top 19%)2139(Top 44%)
40K24.85 mi0.85 mi6943+63860+3860+36162(Top 23%)1035(Top 9%)1035(Top 21%)
25.2M25.20 mi0.35 mi6857+86841+19841+193946(Top 15%)435(Top 4%)435(Top 9%)
Finish26.22 mi1.02 mi6720+137815+26815+264488(Top 17%)581(Top 5%)581(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5353

Females

409

F18-39

409

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5585

Females

451

F18-39

451

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5353

Females

409

F18-39

409

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5760

Females

480

F18-39

480

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6519

Females

642

F18-39

642

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6557

Females

716

F18-39

716

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8665

Females

1574

F18-39

1574

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9728

Females

2114

F18-39

2114

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12447

Females

3646

F18-39

3646

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10484

Females

2584

F18-39

2584

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8766

Females

1913

F18-39

1913

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9095

Females

2139

F18-39

2139

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6162

Females

1035

F18-39

1035

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3946

Females

435

F18-39

435

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4488

Females

581

F18-39

581

Passing Analysis

Category:
Athletes Passed
2013
Passed By
1330
Net Change
+683
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7403
5K → 10K87710+867#7403#6536
10K → 15K38513+372#6536#6164
15K → 20K15846+112#6164#6052
20K → Half927-18#6052#6070
Half → 25K61126-65#6070#6135
25K → 30K50356-306#6135#6441
30K → 20M26179-153#6441#6594
20M → 21M15252-237#6594#6831
21M → 35K2491-67#6831#6898
35K → 23M61107-46#6898#6944
23M → 24M3597-62#6944#7006
24M → 40K7815+63#7006#6943
40K → 25.2M904+86#6943#6857
25.2M → Finish1447+137#6857#6720
TOTALS20131330+683
📊

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