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BOSTON MARATHON 2023

Tanisha Crichlow

Bib: 31233•F

NY

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:28
Rank: #25325
Start → 5K
33:28 | 10:46/mi
10K· 6.21 mi
1:07:33
Rank: #25402 (-77)
5K → 10K
34:05 | 10:58/mi
15K· 9.32 mi
1:42:17
Rank: #25408 (-6)
10K → 15K
34:44 | 11:11/mi
20K· 12.43 mi
2:17:52
Rank: #25350 (+58)
15K → 20K
35:35 | 11:27/mi
Half· 13.11 mi
2:25:32
Rank: #25349 (+1)
20K → Half
7:40 | 11:14/mi
25K· 15.53 mi
2:54:16
Rank: #25294 (+55)
Half → 25K
28:44 | 11:51/mi
30K· 18.64 mi
3:33:18
Rank: #25268 (+26)
25K → 30K
39:02 | 12:34/mi
20M
3:50:14
Rank: #25246 (+22)
30K → 20M
16:56 | 12:28/mi
21M
4:04:18
Rank: #25236 (+10)
20M → 21M
14:04 | 14:04/mi
35K· 21.75 mi
4:13:13
Rank: #25229 (+7)
21M → 35K
8:55 | 11:55/mi
23M
4:28:40
Rank: #25194 (+35)
35K → 23M
15:27 | 12:20/mi
24M
4:41:06
Rank: #25194
23M → 24M
12:26 | 12:26/mi
40K· 24.85 mi
4:52:17
Rank: #25199 (-5)
24M → 40K
11:11 | 13:05/mi
25.2M
4:56:56
Rank: #25198 (+1)
40K → 25.2M
4:39 | 13:29/mi
Finish· 26.22 mi
5:09:17
Rank: #25217 (-19)
25.2M → Finish
12:21 | 12:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:32
Pace11:06 /mi
2nd Half
Distance13.11 mi
Time2:43:45
Pace12:29 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5233:2810:4633:28
10:46
-
10K
6.21 mi12:23:571:07:3310:5234:05
10:58
+0:12
15K
9.32 mi12:58:411:42:1710:5834:44
11:11
+0:13
20K
12.43 mi13:34:162:17:5211:0635:35
11:27
+0:16
Half
13.11 mi13:41:562:25:3211:067:40
11:14
-0:13
25K
15.53 mi14:10:402:54:1611:1328:44
11:51
+0:37
30K
18.64 mi14:49:423:33:1811:2739:02
12:34
+0:43
20M
20.00 mi15:06:383:50:1411:3116:56
12:28
-0:06
21M
21.00 mi15:20:424:04:1811:3814:04
14:04
+1:36
35K
21.75 mi15:29:374:13:1311:398:55
11:55
-2:09
23M
23.00 mi15:45:044:28:4011:4115:27
12:20
+0:25
24M
24.00 mi15:57:304:41:0611:4312:26
12:26
+0:06
40K
24.85 mi16:08:414:52:1711:4611:11
13:05
+0:39
25.2M
25.20 mi16:13:204:56:5611:474:39
13:29
+0:24
Finish
26.22 mi16:25:415:09:1711:4812:21
12:07
-1:22

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

10:46 /mi

Average Pace

11:48 /mi

Slowest Pace

14:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:32

47% of race

Time at Steady Pace

2:13:51

43% of race

Time at Slower Pace

29:54

10% of race

Average Pace: 11:48 /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 mi11:49:5233:2810:4633:28
10:46
#25325
10K
6.21 mi12:23:571:07:3310:5234:05
10:58
#25402
15K
9.32 mi12:58:411:42:1710:5834:44
11:11
#25408
20K
12.43 mi13:34:162:17:5211:0635:35
11:27
#25350
Half
13.11 mi13:41:562:25:3211:067:40
11:14
#25349
25K
15.53 mi14:10:402:54:1611:1328:44
11:51
#25294
30K
18.64 mi14:49:423:33:1811:2739:02
12:34
#25268
20M
20.00 mi15:06:383:50:1411:3116:56
12:28
#25246
21M
21.00 mi15:20:424:04:1811:3814:04
14:04
#25236
35K
21.75 mi15:29:374:13:1311:398:55
11:55
#25229
23M
23.00 mi15:45:044:28:4011:4115:27
12:20
#25194
24M
24.00 mi15:57:304:41:0611:4312:26
12:26
#25194
40K
24.85 mi16:08:414:52:1711:4611:11
13:05
#25199
25.2M
25.20 mi16:13:204:56:5611:474:39
13:29
#25198
Finish
26.22 mi16:25:415:09:1711:4812:21
12:07
#25217
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25325106261062625398(Top 95%)10684(Top 94%)10684(Top 569%)
10K6.21 mi3.10 mi25402-7710668-4210668-4225436(Top 96%)10693(Top 94%)10693(Top 569%)
15K9.32 mi3.11 mi25408-610680-1210680-1225398(Top 95%)10684(Top 94%)10684(Top 569%)
20K12.43 mi3.11 mi25350+5810655+2510655+2525188(Top 95%)10593(Top 93%)10593(Top 564%)
Half13.11 mi0.68 mi25349+110659-410659-425253(Top 95%)10648(Top 93%)10648(Top 567%)
25K15.53 mi2.42 mi25294+5510639+2010639+2025035(Top 94%)10533(Top 92%)10533(Top 561%)
30K18.64 mi3.11 mi25268+2610641-210641-225059(Top 94%)10600(Top 93%)10600(Top 564%)
20M20.00 mi1.36 mi25246+2210633+810633+824707(Top 93%)10451(Top 91%)10451(Top 556%)
21M21.00 mi1.00 mi25236+1010631+210631+225095(Top 94%)10664(Top 93%)10664(Top 568%)
35K21.75 mi0.75 mi25229+710637-610637-624616(Top 92%)10463(Top 92%)10463(Top 557%)
23M23.00 mi1.25 mi25194+3510629+810629+824424(Top 92%)10351(Top 91%)10351(Top 551%)
24M24.00 mi1.00 mi2519410632-310632-325000(Top 94%)10680(Top 93%)10680(Top 569%)
40K24.85 mi0.85 mi25199-510640-810640-825008(Top 94%)10682(Top 94%)10682(Top 569%)
25.2M25.20 mi0.35 mi25198+110641-110641-124521(Top 92%)10451(Top 91%)10451(Top 556%)
Finish26.22 mi1.02 mi25217-1910653-1210653-1225344(Top 95%)10839(Top 95%)10839(Top 577%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25398

Females

10684

F40-44

10684

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

25436

Females

10693

F40-44

10693

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25398

Females

10684

F40-44

10684

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

25188

Females

10593

F40-44

10593

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

25253

Females

10648

F40-44

10648

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

25035

Females

10533

F40-44

10533

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

25059

Females

10600

F40-44

10600

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

24707

Females

10451

F40-44

10451

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

25095

Females

10664

F40-44

10664

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24616

Females

10463

F40-44

10463

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24424

Females

10351

F40-44

10351

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

25000

Females

10680

F40-44

10680

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

25008

Females

10682

F40-44

10682

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24521

Females

10451

F40-44

10451

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

25344

Females

10839

F40-44

10839

Passing Analysis

Category:
Athletes Passed
743
Passed By
635
Net Change
+108
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25325
5K → 10K126203-77#25325#25402
10K → 15K97103-6#25402#25408
15K → 20K11961+58#25408#25350
20K → Half1716+1#25350#25349
Half → 25K9540+55#25349#25294
25K → 30K8559+26#25294#25268
30K → 20M3917+22#25268#25246
20M → 21M3626+10#25246#25236
21M → 35K2417+7#25236#25229
35K → 23M5116+35#25229#25194
23M → 24M16160#25194#25194
24M → 40K2025-5#25194#25199
40K → 25.2M98+1#25199#25198
25.2M → Finish928-19#25198#25217
TOTALS743635+108
📊

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