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BOSTON MARATHON 2023

Alyssa Staubach

Bib: 13031•F

MS

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 12%
Division (F18-39)
#0 / 4884
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:43/mi
24:00
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
47:46
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:11:28
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:35:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:40:21
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:58:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:35/mi
2:22:19
↑ 181↓ 1480.2%
20M
7:21/mi
2:32:18
↑ 64↓ 500.2%
21M
7:26/mi
2:39:44
↑ 106↓ 241.6%
35K· 21.75 mi
7:26/mi
2:45:18
↑ 17↓ 861.7%
23M
7:13/mi
2:54:20
↑ 23↓ 630.6%
24M
6:57/mi
3:01:17
↓ 821.3%
40K· 24.85 mi
6:55/mi
3:07:12
↓ 200.3%
25.2M
7:29/mi
3:09:47
↑ 13↓ 160.2%
Finish· 26.22 mi
6:37/mi
3:16:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:40:21
Pace7:39 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:36:11
Pace7:20 /mi
📊Negative Split: 4.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3524:007:4324:00
7:43
-
10K
6.21 mi11:16:2147:467:4123:46
7:39
-0:04
15K
9.32 mi11:40:031:11:287:4023:42
7:38
-0:01
20K
12.43 mi12:03:481:35:137:4023:45
7:39
+0:01
Half
13.11 mi12:08:561:40:217:395:08
7:31
-0:08
25K
15.53 mi12:27:201:58:457:3918:24
7:35
+0:04
30K
18.64 mi12:50:542:22:197:3823:34
7:35
0:00
20M
20.00 mi13:00:532:32:187:379:59
7:21
-0:14
21M
21.00 mi13:08:192:39:447:367:26
7:26
+0:05
35K
21.75 mi13:13:532:45:187:365:34
7:26
0:00
23M
23.00 mi13:22:552:54:207:359:02
7:13
-0:13
24M
24.00 mi13:29:523:01:177:336:57
6:57
-0:16
40K
24.85 mi13:35:473:07:127:325:55
6:55
-0:02
25.2M
25.20 mi13:38:223:09:477:322:35
7:29
+0:34
Finish
26.22 mi13:45:073:16:327:306:45
6:37
-0:52

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

6:37 /mi

Average Pace

7:30 /mi

Slowest Pace

7:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:39

15% of race

Time at Steady Pace

2:47:53

85% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi10:52:3524:007:4324:00
7:43
#11680
10K
6.21 mi11:16:2147:467:4123:46
7:39
#11688
15K
9.32 mi11:40:031:11:287:4023:42
7:38
#11514
20K
12.43 mi12:03:481:35:137:4023:45
7:39
#11202
Half
13.11 mi12:08:561:40:217:395:08
7:31
#11156
25K
15.53 mi12:27:201:58:457:3918:24
7:35
#10857
30K
18.64 mi12:50:542:22:197:3823:34
7:35
#10246
20M
20.00 mi13:00:532:32:187:379:59
7:21
#9850
21M
21.00 mi13:08:192:39:447:367:26
7:26
#9488
35K
21.75 mi13:13:532:45:187:365:34
7:26
#9407
23M
23.00 mi13:22:552:54:207:359:02
7:13
#9077
24M
24.00 mi13:29:523:01:177:336:57
6:57
#8809
40K
24.85 mi13:35:473:07:127:325:55
6:55
#8570
25.2M
25.20 mi13:38:223:09:477:322:35
7:29
#8459
Finish
26.22 mi13:45:073:16:327:306:45
6:37
#8169
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi116802678267811243(Top 42%)2479(Top 22%)2479(Top 51%)
10K6.21 mi3.10 mi11688-82698-202698-2011786(Top 44%)2745(Top 24%)2745(Top 56%)
15K9.32 mi3.11 mi11514+1742612+862612+8611243(Top 42%)2479(Top 22%)2479(Top 51%)
20K12.43 mi3.11 mi11202+3122433+1792433+17910463(Top 39%)2121(Top 19%)2121(Top 43%)
Half13.11 mi0.68 mi11156+462418+152418+1510424(Top 39%)2079(Top 18%)2079(Top 43%)
25K15.53 mi2.42 mi10857+2992275+1432275+1439466(Top 36%)1757(Top 15%)1757(Top 36%)
30K18.64 mi3.11 mi10246+6112019+2562019+2567854(Top 30%)1247(Top 11%)1247(Top 26%)
20M20.00 mi1.36 mi9850+3961849+1701849+1705931(Top 22%)695(Top 6%)695(Top 14%)
21M21.00 mi1.00 mi9488+3621729+1201729+1204321(Top 16%)370(Top 3%)370(Top 8%)
35K21.75 mi0.75 mi9407+811715+141715+148015(Top 30%)1521(Top 13%)1521(Top 31%)
23M23.00 mi1.25 mi9077+3301601+1141601+1144910(Top 18%)513(Top 4%)513(Top 11%)
24M24.00 mi1.00 mi8809+2681520+811520+814455(Top 17%)436(Top 4%)436(Top 9%)
40K24.85 mi0.85 mi8570+2391435+851435+853483(Top 13%)318(Top 3%)318(Top 7%)
25.2M25.20 mi0.35 mi8459+1111406+291406+293957(Top 15%)446(Top 4%)446(Top 9%)
Finish26.22 mi1.02 mi8169+2901320+861320+863148(Top 12%)316(Top 3%)316(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11243

Females

2479

F18-39

2479

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11786

Females

2745

F18-39

2745

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11243

Females

2479

F18-39

2479

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10463

Females

2121

F18-39

2121

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10424

Females

2079

F18-39

2079

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9466

Females

1757

F18-39

1757

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

7854

Females

1247

F18-39

1247

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

5931

Females

695

F18-39

695

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4321

Females

370

F18-39

370

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8015

Females

1521

F18-39

1521

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

4910

Females

513

F18-39

513

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4455

Females

436

F18-39

436

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3483

Females

318

F18-39

318

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3957

Females

446

F18-39

446

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3148

Females

316

F18-39

316

Passing Analysis

Category:
Athletes Passed
3994*
Passed By
483
Net Change
+3511
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11680
5K → 10K289297-8#11680#11688
10K → 15K286112+174#11688#11514
15K → 20K35038+312#11514#11202
20K → Half537+46#11202#11156
Half → 25K3089+299#11156#10857
25K → 30K614*3+611#10857#10246
30K → 20M397*1+396#10246#9850
20M → 21M3620+362#9850#9488
21M → 35K9615+81#9488#9407
35K → 23M3311+330#9407#9077
23M → 24M2680+268#9077#8809
24M → 40K2390+239#8809#8570
40K → 25.2M1110+111#8570#8459
25.2M → Finish2900+290#8459#8169
TOTALS3994*483+3511

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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