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BOSTON MARATHON 2023

Danielle Vail

Bib: 10278•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 28%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 17%
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
6:49/mi
21:10
↑ 97↓ 3451.5%
10K· 6.21 mi
6:51/mi
42:26
↑ 79↓ 1380.4%
15K· 9.32 mi
6:57/mi
1:04:01
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:26:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:31:15
↑ 19↓ 370.5%
25K· 15.53 mi
7:19/mi
1:48:59
↑ 66↓ 880.2%
30K· 18.64 mi
7:44/mi
2:13:01
↑ 181↓ 1480.2%
20M
7:59/mi
2:23:52
↑ 64↓ 500.2%
21M
8:49/mi
2:32:41
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:38:21
↑ 17↓ 861.7%
23M
7:54/mi
2:48:14
↑ 23↓ 630.6%
24M
7:49/mi
2:56:03
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:02:51
↓ 200.3%
25.2M
8:51/mi
3:05:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:13:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:15
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:42:42
Pace7:50 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2821:106:4921:10
6:49
-
10K
6.21 mi11:08:4442:266:5021:16
6:51
+0:02
15K
9.32 mi11:30:191:04:016:5221:35
6:57
+0:06
20K
12.43 mi11:52:381:26:206:5722:19
7:11
+0:14
Half
13.11 mi11:57:331:31:156:584:55
7:12
+0:01
25K
15.53 mi12:15:171:48:597:0117:44
7:19
+0:07
30K
18.64 mi12:39:192:13:017:0824:02
7:44
+0:25
20M
20.00 mi12:50:102:23:527:1210:51
7:59
+0:15
21M
21.00 mi12:58:592:32:417:168:49
8:49
+0:50
35K
21.75 mi13:04:392:38:217:175:40
7:34
-1:15
23M
23.00 mi13:14:322:48:147:199:53
7:54
+0:20
24M
24.00 mi13:22:212:56:037:207:49
7:49
-0:05
40K
24.85 mi13:29:093:02:517:216:48
7:57
+0:08
25.2M
25.20 mi13:32:123:05:547:233:03
8:51
+0:54
Finish
26.22 mi13:40:153:13:577:248:03
7:54
-0:57

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

7:24 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:59

56% of race

Time at Steady Pace

1:13:06

38% of race

Time at Slower Pace

11:52

6% of race

Average Pace: 7:24 /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 mi10:47:2821:106:4921:10
6:49
#4821
10K
6.21 mi11:08:4442:266:5021:16
6:51
#5219
15K
9.32 mi11:30:191:04:016:5221:35
6:57
#5624
20K
12.43 mi11:52:381:26:206:5722:19
7:11
#6029
Half
13.11 mi11:57:331:31:156:584:55
7:12
#6117
25K
15.53 mi12:15:171:48:597:0117:44
7:19
#6319
30K
18.64 mi12:39:192:13:017:0824:02
7:44
#6607
20M
20.00 mi12:50:102:23:527:1210:51
7:59
#6790
21M
21.00 mi12:58:592:32:417:168:49
8:49
#6988
35K
21.75 mi13:04:392:38:217:175:40
7:34
#7036
23M
23.00 mi13:14:322:48:147:199:53
7:54
#7098
24M
24.00 mi13:22:212:56:037:207:49
7:49
#7198
40K
24.85 mi13:29:093:02:517:216:48
7:57
#7249
25.2M
25.20 mi13:32:123:05:547:233:03
8:51
#7298
Finish
26.22 mi13:40:153:13:577:248:03
7:54
#7429
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi48213353356260(Top 24%)591(Top 5%)591(Top 12%)
10K6.21 mi3.10 mi5219-398382-47382-475723(Top 21%)481(Top 4%)481(Top 10%)
15K9.32 mi3.11 mi5624-405443-61443-616260(Top 24%)591(Top 5%)591(Top 12%)
20K12.43 mi3.11 mi6029-405523-80523-807004(Top 26%)783(Top 7%)783(Top 16%)
Half13.11 mi0.68 mi6117-88544-21544-217968(Top 30%)1077(Top 9%)1077(Top 22%)
25K15.53 mi2.42 mi6319-202594-50594-507389(Top 28%)974(Top 9%)974(Top 20%)
30K18.64 mi3.11 mi6607-288680-86680-868906(Top 33%)1666(Top 15%)1666(Top 34%)
20M20.00 mi1.36 mi6790-183737-57737-5710159(Top 38%)2299(Top 20%)2299(Top 47%)
21M21.00 mi1.00 mi6988-198797-60797-6012355(Top 46%)3591(Top 31%)3591(Top 74%)
35K21.75 mi0.75 mi7036-48818-21818-219102(Top 34%)1952(Top 17%)1952(Top 40%)
23M23.00 mi1.25 mi7098-62872-54872-549040(Top 34%)2042(Top 18%)2042(Top 42%)
24M24.00 mi1.00 mi7198-100923-51923-519929(Top 37%)2547(Top 22%)2547(Top 52%)
40K24.85 mi0.85 mi7249-51958-35958-359738(Top 37%)2514(Top 22%)2514(Top 51%)
25.2M25.20 mi0.35 mi7298-49983-25983-2511582(Top 44%)3478(Top 30%)3478(Top 71%)
Finish26.22 mi1.02 mi7429-1311055-721055-7211398(Top 43%)3386(Top 30%)3386(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6260

Females

591

F18-39

591

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5723

Females

481

F18-39

481

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6260

Females

591

F18-39

591

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7004

Females

783

F18-39

783

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7968

Females

1077

F18-39

1077

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7389

Females

974

F18-39

974

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

8906

Females

1666

F18-39

1666

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10159

Females

2299

F18-39

2299

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12355

Females

3591

F18-39

3591

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9102

Females

1952

F18-39

1952

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9040

Females

2042

F18-39

2042

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9929

Females

2547

F18-39

2547

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9738

Females

2514

F18-39

2514

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11582

Females

3478

F18-39

3478

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11398

Females

3386

F18-39

3386

Passing Analysis

Category:
Athletes Passed
466
Passed By
3074
Net Change
-2608
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4821
5K → 10K83481-398#4821#5219
10K → 15K22427-405#5219#5624
15K → 20K28433-405#5624#6029
20K → Half189-88#6029#6117
Half → 25K36238-202#6117#6319
25K → 30K55343-288#6319#6607
30K → 20M17200-183#6607#6790
20M → 21M21219-198#6790#6988
21M → 35K2068-48#6988#7036
35K → 23M70132-62#7036#7098
23M → 24M29129-100#7098#7198
24M → 40K3586-51#7198#7249
40K → 25.2M958-49#7249#7298
25.2M → Finish40171-131#7298#7429
TOTALS4663074-2608
📊

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