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BOSTON MARATHON 2023

Tracy Mcfillin

Bib: 22028•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:55
Rank: #18663
Start → 5K
26:55 | 8:40/mi
10K· 6.21 mi
53:52
Rank: #18939 (-276)
5K → 10K
26:57 | 8:40/mi
15K· 9.32 mi
1:21:25
Rank: #19239 (-300)
10K → 15K
27:33 | 8:52/mi
20K· 12.43 mi
1:48:53
Rank: #19121 (+118)
15K → 20K
27:28 | 8:50/mi
Half· 13.11 mi
1:54:47
Rank: #19101 (+20)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:16:04
Rank: #18888 (+213)
Half → 25K
21:17 | 8:47/mi
30K· 18.64 mi
2:44:15
Rank: #18655 (+233)
25K → 30K
28:11 | 9:04/mi
20M
2:56:34
Rank: #18484 (+171)
30K → 20M
12:19 | 9:04/mi
21M
3:06:07
Rank: #18349 (+135)
20M → 21M
9:33 | 9:33/mi
35K· 21.75 mi
3:12:50
Rank: #18314 (+35)
21M → 35K
6:43 | 8:59/mi
23M
3:24:13
Rank: #18204 (+110)
35K → 23M
11:23 | 9:05/mi
24M
3:33:03
Rank: #18136 (+68)
23M → 24M
8:50 | 8:50/mi
40K· 24.85 mi
3:40:39
Rank: #18038 (+98)
24M → 40K
7:36 | 8:53/mi
25.2M
3:44:01
Rank: #18014 (+24)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:52:54
Rank: #17960 (+54)
25.2M → Finish
8:53 | 8:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:47
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time1:58:07
Pace9:01 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0226:558:4026:55
8:40
-
10K
6.21 mi11:50:5953:528:4026:57
8:40
0:00
15K
9.32 mi12:18:321:21:258:4427:33
8:52
+0:12
20K
12.43 mi12:46:001:48:538:4627:28
8:50
-0:02
Half
13.11 mi12:51:541:54:478:455:54
8:39
-0:11
25K
15.53 mi13:13:112:16:048:4621:17
8:47
+0:08
30K
18.64 mi13:41:222:44:158:4928:11
9:04
+0:17
20M
20.00 mi13:53:412:56:348:5012:19
9:04
0:00
21M
21.00 mi14:03:143:06:078:529:33
9:33
+0:29
35K
21.75 mi14:09:573:12:508:526:43
8:59
-0:34
23M
23.00 mi14:21:203:24:138:5311:23
9:05
+0:06
24M
24.00 mi14:30:103:33:038:538:50
8:50
-0:15
40K
24.85 mi14:37:463:40:398:537:36
8:53
+0:03
25.2M
25.20 mi14:41:083:44:018:533:22
9:46
+0:53
Finish
26.22 mi14:50:013:52:548:538:53
8:43
-1:03

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

8:39 /mi

Average Pace

8:53 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:39:59

94% of race

Time at Steady Pace

12:55

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:53 /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 mi11:24:0226:558:4026:55
8:40
#18663
10K
6.21 mi11:50:5953:528:4026:57
8:40
#18939
15K
9.32 mi12:18:321:21:258:4427:33
8:52
#19239
20K
12.43 mi12:46:001:48:538:4627:28
8:50
#19121
Half
13.11 mi12:51:541:54:478:455:54
8:39
#19101
25K
15.53 mi13:13:112:16:048:4621:17
8:47
#18888
30K
18.64 mi13:41:222:44:158:4928:11
9:04
#18655
20M
20.00 mi13:53:412:56:348:5012:19
9:04
#18484
21M
21.00 mi14:03:143:06:078:529:33
9:33
#18349
35K
21.75 mi14:09:573:12:508:526:43
8:59
#18314
23M
23.00 mi14:21:203:24:138:5311:23
9:05
#18204
24M
24.00 mi14:30:103:33:038:538:50
8:50
#18136
40K
24.85 mi14:37:463:40:398:537:36
8:53
#18038
25.2M
25.20 mi14:41:083:44:018:533:22
9:46
#18014
Finish
26.22 mi14:50:013:52:548:538:53
8:43
#17960
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi186636975697519881(Top 75%)7616(Top 67%)7616(Top 419%)
10K6.21 mi3.10 mi18939-2767107-1327107-13219284(Top 72%)7255(Top 64%)7255(Top 399%)
15K9.32 mi3.11 mi19239-3007276-1697276-16919881(Top 75%)7616(Top 67%)7616(Top 419%)
20K12.43 mi3.11 mi19121+1187187+897187+8918892(Top 71%)7023(Top 61%)7023(Top 387%)
Half13.11 mi0.68 mi19101+207183+47183+418641(Top 70%)6855(Top 60%)6855(Top 377%)
25K15.53 mi2.42 mi18888+2137055+1287055+12817841(Top 67%)6485(Top 57%)6485(Top 357%)
30K18.64 mi3.11 mi18655+2336946+1096946+10917556(Top 66%)6390(Top 56%)6390(Top 352%)
20M20.00 mi1.36 mi18484+1716857+896857+8916884(Top 63%)6088(Top 53%)6088(Top 335%)
21M21.00 mi1.00 mi18349+1356796+616796+6116238(Top 61%)5766(Top 50%)5766(Top 317%)
35K21.75 mi0.75 mi18314+356785+116785+1117840(Top 67%)6742(Top 59%)6742(Top 371%)
23M23.00 mi1.25 mi18204+1106729+566729+5616521(Top 62%)6039(Top 53%)6039(Top 332%)
24M24.00 mi1.00 mi18136+686709+206709+2016426(Top 62%)6046(Top 53%)6046(Top 333%)
40K24.85 mi0.85 mi18038+986663+466663+4615597(Top 59%)5642(Top 49%)5642(Top 311%)
25.2M25.20 mi0.35 mi18014+246650+136650+1316431(Top 62%)6125(Top 54%)6125(Top 337%)
Finish26.22 mi1.02 mi17960+546633+176633+1716605(Top 62%)6159(Top 54%)6159(Top 339%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19881

Females

7616

F45-49

7616

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

19284

Females

7255

F45-49

7255

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19881

Females

7616

F45-49

7616

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18892

Females

7023

F45-49

7023

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18641

Females

6855

F45-49

6855

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

17841

Females

6485

F45-49

6485

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17556

Females

6390

F45-49

6390

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16884

Females

6088

F45-49

6088

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16238

Females

5766

F45-49

5766

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17840

Females

6742

F45-49

6742

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

16521

Females

6039

F45-49

6039

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16426

Females

6046

F45-49

6046

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15597

Females

5642

F45-49

5642

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16431

Females

6125

F45-49

6125

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16605

Females

6159

F45-49

6159

Passing Analysis

Category:
Athletes Passed
1940
Passed By
1237
Net Change
+703
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18663
5K → 10K214490-276#18663#18939
10K → 15K78378-300#18939#19239
15K → 20K221103+118#19239#19121
20K → Half3919+20#19121#19101
Half → 25K23421+213#19101#18888
25K → 30K29360+233#18888#18655
30K → 20M19120+171#18655#18484
20M → 21M15621+135#18484#18349
21M → 35K6126+35#18349#18314
35K → 23M13727+110#18314#18204
23M → 24M9123+68#18204#18136
24M → 40K1024+98#18136#18038
40K → 25.2M3915+24#18038#18014
25.2M → Finish8430+54#18014#17960
TOTALS19401237+703
📊

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