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BOSTON MARATHON 2023

Alyssa Hayes-Babb

Bib: 17277•F

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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
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
25:03
Rank: #14457
Start → 5K
8:04/mi
25:03 split
10K· 6.21 mi
49:31
Rank: #14164 (+293)
5K → 10K
7:53/mi
24:28 split
15K· 9.32 mi
1:14:26
Rank: #14266 (-102)
10K → 15K
8:01/mi
24:55 split
20K· 12.43 mi
1:39:51
Rank: #14363 (-97)
15K → 20K
8:11/mi
25:25 split
Half· 13.11 mi
1:45:17
Rank: #14337 (+26)
20K → Half
7:58/mi
5:26 split
25K· 15.53 mi
2:05:44
Rank: #14606 (-269)
Half → 25K
8:26/mi
20:27 split
30K· 18.64 mi
2:33:02
Rank: #14884 (-278)
25K → 30K
8:47/mi
27:18 split
20M
2:45:12
Rank: #14967 (-83)
30K → 20M
8:57/mi
12:10 split
21M
2:54:57
Rank: #15094 (-127)
20M → 21M
9:45/mi
9:45 split
35K· 21.75 mi
3:01:46
Rank: #15204 (-110)
21M → 35K
9:07/mi
6:49 split
23M
3:13:34
Rank: #15407 (-203)
35K → 23M
9:25/mi
11:48 split
24M
3:22:48
Rank: #15551 (-144)
23M → 24M
9:14/mi
9:14 split
40K· 24.85 mi
3:30:56
Rank: #15683 (-132)
24M → 40K
9:31/mi
8:08 split
25.2M
3:34:15
Rank: #15685 (-2)
40K → 25.2M
9:37/mi
3:19 split
Finish· 26.22 mi
3:43:08
Rank: #15711 (-26)
25.2M → Finish
8:43/mi
8:53 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:17
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:57:51
Pace8:59 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4125:038:0425:03
8:04
-
10K
6.21 mi11:40:0949:317:5824:28
7:53
-0:11
15K
9.32 mi12:05:041:14:267:5924:55
8:01
+0:08
20K
12.43 mi12:30:291:39:518:0225:25
8:11
+0:10
Half
13.11 mi12:35:551:45:178:025:26
7:58
-0:13
25K
15.53 mi12:56:222:05:448:0620:27
8:26
+0:28
30K
18.64 mi13:23:402:33:028:1327:18
8:47
+0:21
20M
20.00 mi13:35:502:45:128:1612:10
8:57
+0:10
21M
21.00 mi13:45:352:54:578:209:45
9:45
+0:48
35K
21.75 mi13:52:243:01:468:216:49
9:07
-0:38
23M
23.00 mi14:04:123:13:348:2511:48
9:25
+0:18
24M
24.00 mi14:13:263:22:488:279:14
9:14
-0:11
40K
24.85 mi14:21:343:30:568:298:08
9:31
+0:17
25.2M
25.20 mi14:24:533:34:158:303:19
9:37
+0:06
Finish
26.22 mi14:33:463:43:088:318:53
8:43
-0:54

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

7:53 /mi

Average Pace

8:31 /mi

Slowest Pace

9:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:44

56% of race

Time at Steady Pace

48:21

22% of race

Time at Slower Pace

49:03

22% of race

Average Pace: 8:31 /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 mi11:15:4125:038:0425:03
8:04
#14457
10K
6.21 mi11:40:0949:317:5824:28
7:53
#14164
15K
9.32 mi12:05:041:14:267:5924:55
8:01
#14266
20K
12.43 mi12:30:291:39:518:0225:25
8:11
#14363
Half
13.11 mi12:35:551:45:178:025:26
7:58
#14337
25K
15.53 mi12:56:222:05:448:0620:27
8:26
#14606
30K
18.64 mi13:23:402:33:028:1327:18
8:47
#14884
20M
20.00 mi13:35:502:45:128:1612:10
8:57
#14967
21M
21.00 mi13:45:352:54:578:209:45
9:45
#15094
35K
21.75 mi13:52:243:01:468:216:49
9:07
#15204
23M
23.00 mi14:04:123:13:348:2511:48
9:25
#15407
24M
24.00 mi14:13:263:22:488:279:14
9:14
#15551
40K
24.85 mi14:21:343:30:568:298:08
9:31
#15683
25.2M
25.20 mi14:24:533:34:158:303:19
9:37
#15685
Finish
26.22 mi14:33:463:43:088:318:53
8:43
#15711
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi144574303430314561(Top 55%)4425(Top 39%)4425(Top 91%)
10K6.21 mi3.10 mi14164+2934145+1584145+15813793(Top 52%)3923(Top 34%)3923(Top 80%)
15K9.32 mi3.11 mi14266-1024216-714216-7114561(Top 55%)4425(Top 39%)4425(Top 91%)
20K12.43 mi3.11 mi14363-974292-764292-7614858(Top 56%)4626(Top 40%)4626(Top 95%)
Half13.11 mi0.68 mi14337+264280+124280+1214172(Top 53%)4203(Top 37%)4203(Top 86%)
25K15.53 mi2.42 mi14606-2694472-1924472-19215819(Top 59%)5329(Top 47%)5329(Top 109%)
30K18.64 mi3.11 mi14884-2784670-1984670-19815979(Top 60%)5484(Top 48%)5484(Top 112%)
20M20.00 mi1.36 mi14967-834749-794749-7916291(Top 61%)5740(Top 50%)5740(Top 118%)
21M21.00 mi1.00 mi15094-1274857-1084857-10817060(Top 64%)6223(Top 54%)6223(Top 127%)
35K21.75 mi0.75 mi15204-1104951-944951-9418387(Top 69%)7037(Top 62%)7037(Top 144%)
23M23.00 mi1.25 mi15407-2035104-1535104-15318023(Top 68%)6876(Top 60%)6876(Top 141%)
24M24.00 mi1.00 mi15551-1445215-1115215-11118188(Top 68%)6995(Top 61%)6995(Top 143%)
40K24.85 mi0.85 mi15683-1325294-795294-7918384(Top 69%)7144(Top 63%)7144(Top 146%)
25.2M25.20 mi0.35 mi15685-25296-25296-215778(Top 59%)5734(Top 50%)5734(Top 117%)
Finish26.22 mi1.02 mi15711-265319-235319-2316586(Top 62%)6140(Top 54%)6140(Top 126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14561

Females

4425

F18-39

4425

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13793

Females

3923

F18-39

3923

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14561

Females

4425

F18-39

4425

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14858

Females

4626

F18-39

4626

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

14172

Females

4203

F18-39

4203

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15819

Females

5329

F18-39

5329

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

15979

Females

5484

F18-39

5484

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16291

Females

5740

F18-39

5740

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17060

Females

6223

F18-39

6223

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18387

Females

7037

F18-39

7037

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

18023

Females

6876

F18-39

6876

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

18188

Females

6995

F18-39

6995

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18384

Females

7144

F18-39

7144

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15778

Females

5734

F18-39

5734

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16586

Females

6140

F18-39

6140

Passing Analysis

Category:
Athletes Passed
1279
Passed By
2533
Net Change
-1254
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14457
5K → 10K468175+293#14457#14164
10K → 15K141243-102#14164#14266
15K → 20K142239-97#14266#14363
20K → Half4216+26#14363#14337
Half → 25K82351-269#14337#14606
25K → 30K91369-278#14606#14884
30K → 20M57140-83#14884#14967
20M → 21M55182-127#14967#15094
21M → 35K21131-110#15094#15204
35K → 23M39242-203#15204#15407
23M → 24M34178-144#15407#15551
24M → 40K28160-132#15551#15683
40K → 25.2M2426-2#15683#15685
25.2M → Finish5581-26#15685#15711
TOTALS12792533-1254
📊

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