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BOSTON MARATHON 2023

Tiffany Mchowell

Bib: 12346•F

HI

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0:00
/ mi
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Division (F18-39)
#0 / 4884
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:10
Rank: #12175
Start → 5K
24:10 | 7:47/mi
10K· 6.21 mi
47:44
Rank: #11644 (+531)
5K → 10K
23:34 | 7:35/mi
15K· 9.32 mi
1:11:26
Rank: #11491 (+153)
10K → 15K
23:42 | 7:38/mi
20K· 12.43 mi
1:35:20
Rank: #11280 (+211)
15K → 20K
23:54 | 7:42/mi
Half· 13.11 mi
1:40:58
Rank: #11541 (-261)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:00:58
Rank: #12076 (-535)
Half → 25K
20:00 | 8:15/mi
30K· 18.64 mi
2:26:36
Rank: #12163 (-87)
25K → 30K
25:38 | 8:15/mi
20M
2:38:42
Rank: #12513 (-350)
30K → 20M
12:06 | 8:54/mi
21M
2:47:36
Rank: #12501 (+12)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:54:16
Rank: #12722 (-221)
21M → 35K
6:40 | 8:54/mi
23M
3:05:26
Rank: #12922 (-200)
35K → 23M
11:10 | 8:55/mi
24M
3:13:41
Rank: #12911 (+11)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:20:30
Rank: #12790 (+121)
24M → 40K
6:49 | 7:58/mi
25.2M
3:23:22
Rank: #12712 (+78)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:30:46
Rank: #12462 (+250)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:58
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:49:48
Pace8:23 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1624:107:4724:10
7:47
-
10K
6.21 mi11:13:5047:447:4123:34
7:35
-0:12
15K
9.32 mi11:37:321:11:267:4023:42
7:38
+0:03
20K
12.43 mi12:01:261:35:207:4023:54
7:42
+0:04
Half
13.11 mi12:07:041:40:587:425:38
8:15
+0:33
25K
15.53 mi12:27:042:00:587:4720:00
8:15
0:00
30K
18.64 mi12:52:422:26:367:5225:38
8:15
0:00
20M
20.00 mi13:04:482:38:427:5612:06
8:54
+0:39
21M
21.00 mi13:13:422:47:367:598:54
8:54
0:00
35K
21.75 mi13:20:222:54:168:016:40
8:54
0:00
23M
23.00 mi13:31:323:05:268:0411:10
8:55
+0:01
24M
24.00 mi13:39:473:13:418:048:15
8:15
-0:40
40K
24.85 mi13:46:363:20:308:046:49
7:58
-0:17
25.2M
25.20 mi13:49:283:23:228:042:52
8:19
+0:21
Finish
26.22 mi13:56:523:30:468:037:24
7:16
-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

7:16 /mi

Average Pace

8:03 /mi

Slowest Pace

8:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:33

52% of race

Time at Steady Pace

1:02:23

30% of race

Time at Slower Pace

38:50

18% of race

Average Pace: 8:02 /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 mi10:50:1624:107:4724:10
7:47
#12175
10K
6.21 mi11:13:5047:447:4123:34
7:35
#11644
15K
9.32 mi11:37:321:11:267:4023:42
7:38
#11491
20K
12.43 mi12:01:261:35:207:4023:54
7:42
#11280
Half
13.11 mi12:07:041:40:587:425:38
8:15
#11541
25K
15.53 mi12:27:042:00:587:4720:00
8:15
#12076
30K
18.64 mi12:52:422:26:367:5225:38
8:15
#12163
20M
20.00 mi13:04:482:38:427:5612:06
8:54
#12513
21M
21.00 mi13:13:422:47:367:598:54
8:54
#12501
35K
21.75 mi13:20:222:54:168:016:40
8:54
#12722
23M
23.00 mi13:31:323:05:268:0411:10
8:55
#12922
24M
24.00 mi13:39:473:13:418:048:15
8:15
#12911
40K
24.85 mi13:46:363:20:308:046:49
7:58
#12790
25.2M
25.20 mi13:49:283:23:228:042:52
8:19
#12712
Finish
26.22 mi13:56:523:30:468:037:24
7:16
#12462
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi121752965296511268(Top 42%)2504(Top 22%)2504(Top 51%)
10K6.21 mi3.10 mi11644+5312675+2902675+29011204(Top 42%)2436(Top 21%)2436(Top 50%)
15K9.32 mi3.11 mi11491+1532596+792596+7911268(Top 42%)2504(Top 22%)2504(Top 51%)
20K12.43 mi3.11 mi11280+2112489+1072489+10710876(Top 41%)2351(Top 21%)2351(Top 48%)
Half13.11 mi0.68 mi11541-2612649-1602649-16016127(Top 61%)5395(Top 47%)5395(Top 110%)
25K15.53 mi2.42 mi12076-5352984-3352984-33514617(Top 55%)4604(Top 40%)4604(Top 94%)
30K18.64 mi3.11 mi12163-873070-863070-8612692(Top 48%)3579(Top 31%)3579(Top 73%)
20M20.00 mi1.36 mi12513-3503280-2103280-21016060(Top 60%)5615(Top 49%)5615(Top 115%)
21M21.00 mi1.00 mi12501+123302-223302-2212893(Top 48%)3900(Top 34%)3900(Top 80%)
35K21.75 mi0.75 mi12722-2213441-1393441-13917451(Top 66%)6542(Top 57%)6542(Top 134%)
23M23.00 mi1.25 mi12922-2003586-1453586-14515626(Top 59%)5524(Top 48%)5524(Top 113%)
24M24.00 mi1.00 mi12911+113595-93595-912953(Top 49%)4105(Top 36%)4105(Top 84%)
40K24.85 mi0.85 mi12790+1213545+503545+509920(Top 37%)2618(Top 23%)2618(Top 54%)
25.2M25.20 mi0.35 mi12712+783506+393506+398506(Top 32%)2057(Top 18%)2057(Top 42%)
Finish26.22 mi1.02 mi12462+2503385+1213385+1216897(Top 26%)1402(Top 12%)1402(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11268

Females

2504

F18-39

2504

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11204

Females

2436

F18-39

2436

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11268

Females

2504

F18-39

2504

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10876

Females

2351

F18-39

2351

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

16127

Females

5395

F18-39

5395

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14617

Females

4604

F18-39

4604

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12692

Females

3579

F18-39

3579

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16060

Females

5615

F18-39

5615

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12893

Females

3900

F18-39

3900

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17451

Females

6542

F18-39

6542

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15626

Females

5524

F18-39

5524

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12953

Females

4105

F18-39

4105

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9920

Females

2618

F18-39

2618

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8506

Females

2057

F18-39

2057

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6897

Females

1402

F18-39

1402

Passing Analysis

Category:
Athletes Passed
2096
Passed By
2383
Net Change
-287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12175
5K → 10K647116+531#12175#11644
10K → 15K272119+153#11644#11491
15K → 20K26958+211#11491#11280
20K → Half3264-261#11280#11541
Half → 25K27562-535#11541#12076
25K → 30K167254-87#12076#12163
30K → 20M30380-350#12163#12513
20M → 21M10391+12#12513#12501
21M → 35K13234-221#12501#12722
35K → 23M29229-200#12722#12922
23M → 24M7362+11#12922#12911
24M → 40K13413+121#12911#12790
40K → 25.2M791+78#12790#12712
25.2M → Finish2500+250#12712#12462
TOTALS20962383-287
📊

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