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BOSTON MARATHON 2023

Stacey Falk

Bib: 12774•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 21%
Masters (Masters Women)
#0 / 6539
Top 9%
Division (F40-44)
#0 / 1878
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:27
Rank: #10075
Start → 5K
7:33/mi
23:27 split
10K· 6.21 mi
46:23
Rank: #9712 (+363)
5K → 10K
7:23/mi
22:56 split
15K· 9.32 mi
1:09:26
Rank: #9611 (+101)
10K → 15K
7:25/mi
23:03 split
20K· 12.43 mi
1:32:58
Rank: #9662 (-51)
15K → 20K
7:34/mi
23:32 split
Half· 13.11 mi
1:38:04
Rank: #9673 (-11)
20K → Half
7:29/mi
5:06 split
25K· 15.53 mi
1:56:26
Rank: #9610 (+63)
Half → 25K
7:35/mi
18:22 split
30K· 18.64 mi
2:21:07
Rank: #9738 (-128)
25K → 30K
7:57/mi
24:41 split
20M
2:32:18
Rank: #9857 (-119)
30K → 20M
8:14/mi
11:11 split
21M
2:41:09
Rank: #10005 (-148)
20M → 21M
8:51/mi
8:51 split
35K· 21.75 mi
2:47:01
Rank: #10022 (-17)
21M → 35K
7:51/mi
5:52 split
23M
2:57:22
Rank: #10111 (-89)
35K → 23M
8:16/mi
10:21 split
24M
3:05:34
Rank: #10194 (-83)
23M → 24M
8:12/mi
8:12 split
40K· 24.85 mi
3:12:45
Rank: #10281 (-87)
24M → 40K
8:24/mi
7:11 split
25.2M
3:15:55
Rank: #10332 (-51)
40K → 25.2M
9:11/mi
3:10 split
Finish· 26.22 mi
3:24:26
Rank: #10491 (-159)
25.2M → Finish
8:21/mi
8:31 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:04
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:46:22
Pace8:07 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0223:277:3323:27
7:33
-
10K
6.21 mi11:13:5846:237:2822:56
7:23
-0:10
15K
9.32 mi11:37:011:09:267:2723:03
7:25
+0:02
20K
12.43 mi12:00:331:32:587:2923:32
7:34
+0:09
Half
13.11 mi12:05:391:38:047:295:06
7:29
-0:05
25K
15.53 mi12:24:011:56:267:3018:22
7:35
+0:06
30K
18.64 mi12:48:422:21:077:3424:41
7:57
+0:22
20M
20.00 mi12:59:532:32:187:3711:11
8:14
+0:17
21M
21.00 mi13:08:442:41:097:408:51
8:51
+0:37
35K
21.75 mi13:14:362:47:017:415:52
7:51
-1:00
23M
23.00 mi13:24:572:57:227:4310:21
8:16
+0:25
24M
24.00 mi13:33:093:05:347:448:12
8:12
-0:04
40K
24.85 mi13:40:203:12:457:457:11
8:24
+0:12
25.2M
25.20 mi13:43:303:15:557:463:10
9:11
+0:47
Finish
26.22 mi13:52:013:24:267:488:31
8:21
-0:50

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

7:23 /mi

Average Pace

7:48 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:26

57% of race

Time at Steady Pace

38:45

19% of race

Time at Slower Pace

49:15

24% of race

Average Pace: 7:48 /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 mi10:51:0223:277:3323:27
7:33
#10075
10K
6.21 mi11:13:5846:237:2822:56
7:23
#9712
15K
9.32 mi11:37:011:09:267:2723:03
7:25
#9611
20K
12.43 mi12:00:331:32:587:2923:32
7:34
#9662
Half
13.11 mi12:05:391:38:047:295:06
7:29
#9673
25K
15.53 mi12:24:011:56:267:3018:22
7:35
#9610
30K
18.64 mi12:48:422:21:077:3424:41
7:57
#9738
20M
20.00 mi12:59:532:32:187:3711:11
8:14
#9857
21M
21.00 mi13:08:442:41:097:408:51
8:51
#10005
35K
21.75 mi13:14:362:47:017:415:52
7:51
#10022
23M
23.00 mi13:24:572:57:227:4310:21
8:16
#10111
24M
24.00 mi13:33:093:05:347:448:12
8:12
#10194
40K
24.85 mi13:40:203:12:457:457:11
8:24
#10281
25.2M
25.20 mi13:43:303:15:557:463:10
9:11
#10332
Finish
26.22 mi13:52:013:24:267:488:31
8:21
#10491
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi10075190019009528(Top 36%)1634(Top 14%)1634(Top 87%)
10K6.21 mi3.10 mi9712+3631711+1891711+1899465(Top 36%)1612(Top 14%)1612(Top 86%)
15K9.32 mi3.11 mi9611+1011666+451666+459528(Top 36%)1634(Top 14%)1634(Top 87%)
20K12.43 mi3.11 mi9662-511689-231689-239922(Top 37%)1881(Top 16%)1881(Top 100%)
Half13.11 mi0.68 mi9673-111694-51694-510109(Top 38%)1945(Top 17%)1945(Top 104%)
25K15.53 mi2.42 mi9610+631695-11695-19371(Top 35%)1720(Top 15%)1720(Top 92%)
30K18.64 mi3.11 mi9738-1281776-811776-8110481(Top 39%)2379(Top 21%)2379(Top 127%)
20M20.00 mi1.36 mi9857-1191856-801856-8011889(Top 45%)3205(Top 28%)3205(Top 171%)
21M21.00 mi1.00 mi10005-1481953-971953-9712549(Top 47%)3703(Top 32%)3703(Top 197%)
35K21.75 mi0.75 mi10022-171983-301983-3010979(Top 41%)2856(Top 25%)2856(Top 152%)
23M23.00 mi1.25 mi10111-892052-692052-6911647(Top 44%)3321(Top 29%)3321(Top 177%)
24M24.00 mi1.00 mi10194-832122-702122-7012602(Top 47%)3902(Top 34%)3902(Top 208%)
40K24.85 mi0.85 mi10281-872192-702192-7012716(Top 48%)4054(Top 35%)4054(Top 216%)
25.2M25.20 mi0.35 mi10332-512235-432235-4313563(Top 51%)4500(Top 39%)4500(Top 240%)
Finish26.22 mi1.02 mi10491-1592343-1082343-10814460(Top 54%)4968(Top 43%)4968(Top 265%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9528

Females

1634

F40-44

1634

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9465

Females

1612

F40-44

1612

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9528

Females

1634

F40-44

1634

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9922

Females

1881

F40-44

1881

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10109

Females

1945

F40-44

1945

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9371

Females

1720

F40-44

1720

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10481

Females

2379

F40-44

2379

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11889

Females

3205

F40-44

3205

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12549

Females

3703

F40-44

3703

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10979

Females

2856

F40-44

2856

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11647

Females

3321

F40-44

3321

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

12602

Females

3902

F40-44

3902

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12716

Females

4054

F40-44

4054

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13563

Females

4500

F40-44

4500

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14460

Females

4968

F40-44

4968

Passing Analysis

Category:
Athletes Passed
1514*
Passed By
1927
Net Change
-416
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10075
5K → 10K522*159+363#10075#9712
10K → 15K221120+101#9712#9611
15K → 20K128179-51#9611#9662
20K → Half1728-11#9662#9673
Half → 25K15188+63#9673#9610
25K → 30K127*255-128#9610#9738
30K → 20M58177-119#9738#9857
20M → 21M43189-148#9857#10005
21M → 35K45*62-17#10005#10022
35K → 23M53142-89#10022#10111
23M → 24M49131-83#10111#10194
24M → 40K43130-87#10194#10281
40K → 25.2M2273-51#10281#10332
25.2M → Finish35194-159#10332#10491
TOTALS1514*1927-416

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

📊

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