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BOSTON MARATHON 2023

Ilana Casady

Bib: 20629•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
Masters (Masters Women)
#0 / 6539
Top 21%
Division (F45-49)
#0 / 1817
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:45
Rank: #13779
Start → 5K
24:45 | 7:58/mi
10K· 6.21 mi
49:30
Rank: #14134 (-355)
5K → 10K
24:45 | 7:58/mi
15K· 9.32 mi
1:14:12
Rank: #14063 (+71)
10K → 15K
24:42 | 7:57/mi
20K· 12.43 mi
1:39:05
Rank: #13887 (+176)
15K → 20K
24:53 | 8:01/mi
Half· 13.11 mi
1:44:29
Rank: #13866 (+21)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:03:45
Rank: #13615 (+251)
Half → 25K
19:16 | 7:57/mi
30K· 18.64 mi
2:29:03
Rank: #13270 (+345)
25K → 30K
25:18 | 8:09/mi
20M
2:40:23
Rank: #13196 (+74)
30K → 20M
11:20 | 8:20/mi
21M
2:49:29
Rank: #13214 (-18)
20M → 21M
9:06 | 9:06/mi
35K· 21.75 mi
2:55:28
Rank: #13161 (+53)
21M → 35K
5:59 | 8:00/mi
23M
3:06:14
Rank: #13175 (-14)
35K → 23M
10:46 | 8:36/mi
24M
3:14:46
Rank: #13239 (-64)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:22:17
Rank: #13292 (-53)
24M → 40K
7:31 | 8:47/mi
25.2M
3:25:34
Rank: #13312 (-20)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:34:22
Rank: #13447 (-135)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:29
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:49:53
Pace8:23 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2624:457:5824:45
7:58
-
10K
6.21 mi11:42:1149:307:5824:45
7:58
0:00
15K
9.32 mi12:06:531:14:127:5824:42
7:57
-0:01
20K
12.43 mi12:31:461:39:057:5824:53
8:01
+0:04
Half
13.11 mi12:37:101:44:297:585:24
7:55
-0:06
25K
15.53 mi12:56:262:03:457:5819:16
7:57
+0:02
30K
18.64 mi13:21:442:29:038:0025:18
8:09
+0:12
20M
20.00 mi13:33:042:40:238:0111:20
8:20
+0:11
21M
21.00 mi13:42:102:49:298:049:06
9:06
+0:46
35K
21.75 mi13:48:092:55:288:045:59
8:00
-1:06
23M
23.00 mi13:58:553:06:148:0610:46
8:36
+0:36
24M
24.00 mi14:07:273:14:468:078:32
8:32
-0:04
40K
24.85 mi14:14:583:22:178:087:31
8:47
+0:15
25.2M
25.20 mi14:18:153:25:348:093:17
9:31
+0:44
Finish
26.22 mi14:27:033:34:228:118:48
8:38
-0:53

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

7:55 /mi

Average Pace

8:11 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:46:22

78% of race

Time at Slower Pace

48:00

22% of race

Average Pace: 8:11 /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 mi11:17:2624:457:5824:45
7:58
#13779
10K
6.21 mi11:42:1149:307:5824:45
7:58
#14134
15K
9.32 mi12:06:531:14:127:5824:42
7:57
#14063
20K
12.43 mi12:31:461:39:057:5824:53
8:01
#13887
Half
13.11 mi12:37:101:44:297:585:24
7:55
#13866
25K
15.53 mi12:56:262:03:457:5819:16
7:57
#13615
30K
18.64 mi13:21:442:29:038:0025:18
8:09
#13270
20M
20.00 mi13:33:042:40:238:0111:20
8:20
#13196
21M
21.00 mi13:42:102:49:298:049:06
9:06
#13214
35K
21.75 mi13:48:092:55:288:045:59
8:00
#13161
23M
23.00 mi13:58:553:06:148:0610:46
8:36
#13175
24M
24.00 mi14:07:273:14:468:078:32
8:32
#13239
40K
24.85 mi14:14:583:22:178:087:31
8:47
#13292
25.2M
25.20 mi14:18:153:25:348:093:17
9:31
#13312
Finish
26.22 mi14:27:033:34:228:118:48
8:38
#13447
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi137793891389114007(Top 53%)4090(Top 36%)4090(Top 225%)
10K6.21 mi3.10 mi14134-3554122-2314122-23114548(Top 55%)4384(Top 38%)4384(Top 241%)
15K9.32 mi3.11 mi14063+714098+244098+2414007(Top 53%)4090(Top 36%)4090(Top 225%)
20K12.43 mi3.11 mi13887+1764015+834015+8313520(Top 51%)3828(Top 34%)3828(Top 211%)
Half13.11 mi0.68 mi13866+214005+104005+1013752(Top 52%)3939(Top 34%)3939(Top 217%)
25K15.53 mi2.42 mi13615+2513874+1313874+13112303(Top 46%)3257(Top 29%)3257(Top 179%)
30K18.64 mi3.11 mi13270+3453710+1643710+16411966(Top 45%)3172(Top 28%)3172(Top 175%)
20M20.00 mi1.36 mi13196+743678+323678+3212637(Top 47%)3657(Top 32%)3657(Top 201%)
21M21.00 mi1.00 mi13214-183699-213699-2114000(Top 53%)4483(Top 39%)4483(Top 247%)
35K21.75 mi0.75 mi13161+533687+123687+1212169(Top 46%)3532(Top 31%)3532(Top 194%)
23M23.00 mi1.25 mi13175-143719-323719-3213796(Top 52%)4501(Top 39%)4501(Top 248%)
24M24.00 mi1.00 mi13239-643786-673786-6714684(Top 55%)5052(Top 44%)5052(Top 278%)
40K24.85 mi0.85 mi13292-533835-493835-4915048(Top 57%)5317(Top 47%)5317(Top 293%)
25.2M25.20 mi0.35 mi13312-203861-263861-2615299(Top 57%)5460(Top 48%)5460(Top 300%)
Finish26.22 mi1.02 mi13447-1353961-1003961-10016174(Top 61%)5916(Top 52%)5916(Top 326%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14007

Females

4090

F45-49

4090

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14548

Females

4384

F45-49

4384

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14007

Females

4090

F45-49

4090

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13520

Females

3828

F45-49

3828

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13752

Females

3939

F45-49

3939

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12303

Females

3257

F45-49

3257

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

11966

Females

3172

F45-49

3172

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12637

Females

3657

F45-49

3657

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14000

Females

4483

F45-49

4483

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12169

Females

3532

F45-49

3532

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13796

Females

4501

F45-49

4501

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14684

Females

5052

F45-49

5052

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15048

Females

5317

F45-49

5317

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15299

Females

5460

F45-49

5460

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16174

Females

5916

F45-49

5916

Passing Analysis

Category:
Athletes Passed
1875
Passed By
1543
Net Change
+332
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13779
5K → 10K142497-355#13779#14134
10K → 15K224153+71#14134#14063
15K → 20K26589+176#14063#13887
20K → Half4221+21#13887#13866
Half → 25K27928+251#13866#13615
25K → 30K39853+345#13615#13270
30K → 20M12551+74#13270#13196
20M → 21M8199-18#13196#13214
21M → 35K8229+53#13214#13161
35K → 23M8397-14#13161#13175
23M → 24M51115-64#13175#13239
24M → 40K4295-53#13239#13292
40K → 25.2M3151-20#13292#13312
25.2M → Finish30165-135#13312#13447
TOTALS18751543+332
📊

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