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BOSTON MARATHON 2023

Ashley Taff

Bib: 17342•F

NE

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
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
25:56
Rank: #16475
Start → 5K
25:56 | 8:21/mi
10K· 6.21 mi
51:04
Rank: #15951 (+524)
5K → 10K
25:08 | 8:05/mi
15K· 9.32 mi
1:16:25
Rank: #15821 (+130)
10K → 15K
25:21 | 8:10/mi
20K· 12.43 mi
1:41:59
Rank: #15622 (+199)
15K → 20K
25:34 | 8:14/mi
Half· 13.11 mi
1:47:36
Rank: #15642 (-20)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:07:24
Rank: #15360 (+282)
Half → 25K
19:48 | 8:10/mi
30K· 18.64 mi
2:33:30
Rank: #15033 (+327)
25K → 30K
26:06 | 8:24/mi
20M
2:44:44
Rank: #14821 (+212)
30K → 20M
11:14 | 8:16/mi
21M
2:53:31
Rank: #14643 (+178)
20M → 21M
8:47 | 8:47/mi
35K· 21.75 mi
2:59:29
Rank: #14539 (+104)
21M → 35K
5:58 | 7:59/mi
23M
3:09:50
Rank: #14356 (+183)
35K → 23M
10:21 | 8:16/mi
24M
3:17:43
Rank: #14154 (+202)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
3:24:24
Rank: #13922 (+232)
24M → 40K
6:41 | 7:49/mi
25.2M
3:27:20
Rank: #13858 (+64)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:34:59
Rank: #13629 (+229)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:47:36
Pace8:12 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:47:23
Pace8:11 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0425:568:2125:56
8:21
-
10K
6.21 mi11:48:1251:048:1325:08
8:05
-0:16
15K
9.32 mi12:13:331:16:258:1225:21
8:10
+0:05
20K
12.43 mi12:39:071:41:598:1225:34
8:14
+0:04
Half
13.11 mi12:44:441:47:368:125:37
8:14
0:00
25K
15.53 mi13:04:322:07:248:1219:48
8:10
-0:04
30K
18.64 mi13:30:382:33:308:1426:06
8:24
+0:14
20M
20.00 mi13:41:522:44:448:1411:14
8:16
-0:08
21M
21.00 mi13:50:392:53:318:168:47
8:47
+0:31
35K
21.75 mi13:56:372:59:298:155:58
7:59
-0:48
23M
23.00 mi14:06:583:09:508:1510:21
8:16
+0:17
24M
24.00 mi14:14:513:17:438:147:53
7:53
-0:23
40K
24.85 mi14:21:323:24:248:136:41
7:49
-0:04
25.2M
25.20 mi14:24:283:27:208:142:56
8:30
+0:41
Finish
26.22 mi14:32:073:34:598:127:39
7:30
-1:00

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

7:30 /mi

Average Pace

8:12 /mi

Slowest Pace

8:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:39

60% of race

Time at Steady Pace

1:25:20

40% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi11:23:0425:568:2125:56
8:21
#16475
10K
6.21 mi11:48:1251:048:1325:08
8:05
#15951
15K
9.32 mi12:13:331:16:258:1225:21
8:10
#15821
20K
12.43 mi12:39:071:41:598:1225:34
8:14
#15622
Half
13.11 mi12:44:441:47:368:125:37
8:14
#15642
25K
15.53 mi13:04:322:07:248:1219:48
8:10
#15360
30K
18.64 mi13:30:382:33:308:1426:06
8:24
#15033
20M
20.00 mi13:41:522:44:448:1411:14
8:16
#14821
21M
21.00 mi13:50:392:53:318:168:47
8:47
#14643
35K
21.75 mi13:56:372:59:298:155:58
7:59
#14539
23M
23.00 mi14:06:583:09:508:1510:21
8:16
#14356
24M
24.00 mi14:14:513:17:438:147:53
7:53
#14154
40K
24.85 mi14:21:323:24:248:136:41
7:49
#13922
25.2M
25.20 mi14:24:283:27:208:142:56
8:30
#13858
Finish
26.22 mi14:32:073:34:598:127:39
7:30
#13629
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi164755584558415577(Top 59%)5026(Top 44%)5026(Top 103%)
10K6.21 mi3.10 mi15951+5245255+3295255+32915444(Top 58%)4930(Top 43%)4930(Top 101%)
15K9.32 mi3.11 mi15821+1305167+885167+8815577(Top 59%)5026(Top 44%)5026(Top 103%)
20K12.43 mi3.11 mi15622+1995071+965071+9615145(Top 57%)4796(Top 42%)4796(Top 98%)
Half13.11 mi0.68 mi15642-205085-145085-1416016(Top 60%)5284(Top 46%)5284(Top 108%)
25K15.53 mi2.42 mi15360+2824938+1474938+14714003(Top 53%)4223(Top 37%)4223(Top 86%)
30K18.64 mi3.11 mi15033+3274771+1674771+16713703(Top 51%)4155(Top 36%)4155(Top 85%)
20M20.00 mi1.36 mi14821+2124650+1214650+12112174(Top 46%)3382(Top 30%)3382(Top 69%)
21M21.00 mi1.00 mi14643+1784575+754575+7512190(Top 46%)3511(Top 31%)3511(Top 72%)
35K21.75 mi0.75 mi14539+1044525+504525+5012007(Top 45%)3443(Top 30%)3443(Top 70%)
23M23.00 mi1.25 mi14356+1834448+774448+7711677(Top 44%)3351(Top 29%)3351(Top 69%)
24M24.00 mi1.00 mi14154+2024343+1054343+10510457(Top 39%)2823(Top 25%)2823(Top 58%)
40K24.85 mi0.85 mi13922+2324224+1194224+1198845(Top 33%)2122(Top 19%)2122(Top 43%)
25.2M25.20 mi0.35 mi13858+644191+334191+339697(Top 36%)2580(Top 23%)2580(Top 53%)
Finish26.22 mi1.02 mi13629+2294066+1254066+1258654(Top 33%)2104(Top 18%)2104(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

15577

Females

5026

F18-39

5026

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

15444

Females

4930

F18-39

4930

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

15577

Females

5026

F18-39

5026

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

15145

Females

4796

F18-39

4796

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

16016

Females

5284

F18-39

5284

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14003

Females

4223

F18-39

4223

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13703

Females

4155

F18-39

4155

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12174

Females

3382

F18-39

3382

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12190

Females

3511

F18-39

3511

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12007

Females

3443

F18-39

3443

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11677

Females

3351

F18-39

3351

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10457

Females

2823

F18-39

2823

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8845

Females

2122

F18-39

2122

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9697

Females

2580

F18-39

2580

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8654

Females

2104

F18-39

2104

Passing Analysis

Category:
Athletes Passed
3333
Passed By
487
Net Change
+2846
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16475
5K → 10K642118+524#16475#15951
10K → 15K264134+130#15951#15821
15K → 20K27778+199#15821#15622
20K → Half2545-20#15622#15642
Half → 25K30624+282#15642#15360
25K → 30K36437+327#15360#15033
30K → 20M2186+212#15033#14821
20M → 21M19719+178#14821#14643
21M → 35K1051+104#14643#14539
35K → 23M1918+183#14539#14356
23M → 24M2097+202#14356#14154
24M → 40K2342+232#14154#13922
40K → 25.2M673+64#13922#13858
25.2M → Finish2345+229#13858#13629
TOTALS3333487+2846
📊

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