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BOSTON MARATHON 2023

Allison Brown

Bib: 24920•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:40
Rank: #24751
Start → 5K
32:40 | 10:31/mi
10K· 6.21 mi
1:06:12
Rank: #25010 (-259)
5K → 10K
33:32 | 10:48/mi
15K· 9.32 mi
1:40:30
Rank: #25109 (-99)
10K → 15K
34:18 | 11:02/mi
20K· 12.43 mi
2:15:38
Rank: #25088 (+21)
15K → 20K
35:08 | 11:18/mi
Half· 13.11 mi
2:22:37
Rank: #25026 (+62)
20K → Half
6:59 | 10:14/mi
25K· 15.53 mi
2:49:05
Rank: #24829 (+197)
Half → 25K
26:28 | 10:55/mi
30K· 18.64 mi
3:26:09
Rank: #24766 (+63)
25K → 30K
37:04 | 11:56/mi
20M
3:40:27
Rank: #24567 (+199)
30K → 20M
14:18 | 10:31/mi
21M
3:52:22
Rank: #24466 (+101)
20M → 21M
11:55 | 11:55/mi
35K· 21.75 mi
4:00:31
Rank: #24416 (+50)
21M → 35K
8:09 | 10:54/mi
23M
4:14:56
Rank: #24366 (+50)
35K → 23M
14:25 | 11:31/mi
24M
4:25:40
Rank: #24297 (+69)
23M → 24M
10:44 | 10:44/mi
40K· 24.85 mi
4:35:14
Rank: #24247 (+50)
24M → 40K
9:34 | 11:11/mi
25.2M
4:39:17
Rank: #24213 (+34)
40K → 25.2M
4:03 | 11:45/mi
Finish· 26.22 mi
4:49:37
Rank: #24148 (+65)
25.2M → Finish
10:20 | 10:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:37
Pace10:53 /mi
2nd Half
Distance13.11 mi
Time2:27:00
Pace11:13 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4132:4010:3132:40
10:31
-
10K
6.21 mi12:28:131:06:1210:3933:32
10:48
+0:17
15K
9.32 mi13:02:311:40:3010:4734:18
11:02
+0:14
20K
12.43 mi13:37:392:15:3810:5535:08
11:18
+0:16
Half
13.11 mi13:44:382:22:3710:536:59
10:14
-1:04
25K
15.53 mi14:11:062:49:0510:5326:28
10:55
+0:41
30K
18.64 mi14:48:103:26:0911:0437:04
11:56
+1:01
20M
20.00 mi15:02:283:40:2711:0114:18
10:31
-1:25
21M
21.00 mi15:14:233:52:2211:0411:55
11:55
+1:24
35K
21.75 mi15:22:324:00:3111:048:09
10:54
-1:01
23M
23.00 mi15:36:574:14:5611:0514:25
11:31
+0:37
24M
24.00 mi15:47:414:25:4011:0410:44
10:44
-0:47
40K
24.85 mi15:57:154:35:1411:049:34
11:11
+0:27
25.2M
25.20 mi16:01:184:39:1711:054:03
11:45
+0:34
Finish
26.22 mi16:11:384:49:3711:0310:20
10:08
-1:37

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

10:08 /mi

Average Pace

11:03 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:28

61% of race

Time at Steady Pace

1:52:09

39% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:03 /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 mi11:54:4132:4010:3132:40
10:31
#24751
10K
6.21 mi12:28:131:06:1210:3933:32
10:48
#25010
15K
9.32 mi13:02:311:40:3010:4734:18
11:02
#25109
20K
12.43 mi13:37:392:15:3810:5535:08
11:18
#25088
Half
13.11 mi13:44:382:22:3710:536:59
10:14
#25026
25K
15.53 mi14:11:062:49:0510:5326:28
10:55
#24829
30K
18.64 mi14:48:103:26:0911:0437:04
11:56
#24766
20M
20.00 mi15:02:283:40:2711:0114:18
10:31
#24567
21M
21.00 mi15:14:233:52:2211:0411:55
11:55
#24466
35K
21.75 mi15:22:324:00:3111:048:09
10:54
#24416
23M
23.00 mi15:36:574:14:5611:0514:25
11:31
#24366
24M
24.00 mi15:47:414:25:4011:0410:44
10:44
#24297
40K
24.85 mi15:57:154:35:1411:049:34
11:11
#24247
25.2M
25.20 mi16:01:184:39:1711:054:03
11:45
#24213
Finish
26.22 mi16:11:384:49:3711:0310:20
10:08
#24148
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24751103011030125238(Top 95%)10589(Top 93%)10589(Top 217%)
10K6.21 mi3.10 mi25010-25910439-13810439-13825168(Top 95%)10533(Top 92%)10533(Top 216%)
15K9.32 mi3.11 mi25109-9910499-6010499-6025238(Top 95%)10589(Top 93%)10589(Top 217%)
20K12.43 mi3.11 mi25088+2110505-610505-625015(Top 94%)10486(Top 92%)10486(Top 215%)
Half13.11 mi0.68 mi25026+6210468+3710468+3723753(Top 89%)9774(Top 86%)9774(Top 200%)
25K15.53 mi2.42 mi24829+19710371+9710371+9723839(Top 90%)9869(Top 86%)9869(Top 202%)
30K18.64 mi3.11 mi24766+6310355+1610355+1624414(Top 92%)10229(Top 90%)10229(Top 209%)
20M20.00 mi1.36 mi24567+19910248+10710248+10721808(Top 82%)8880(Top 78%)8880(Top 182%)
21M21.00 mi1.00 mi24466+10110198+5010198+5022632(Top 85%)9354(Top 82%)9354(Top 192%)
35K21.75 mi0.75 mi24416+5010180+1810180+1823130(Top 87%)9665(Top 85%)9665(Top 198%)
23M23.00 mi1.25 mi24366+5010164+1610164+1623273(Top 87%)9737(Top 85%)9737(Top 199%)
24M24.00 mi1.00 mi24297+6910132+3210132+3222544(Top 85%)9390(Top 82%)9390(Top 192%)
40K24.85 mi0.85 mi24247+5010107+2510107+2522731(Top 85%)9518(Top 83%)9518(Top 195%)
25.2M25.20 mi0.35 mi24213+3410096+1110096+1122085(Top 83%)9180(Top 80%)9180(Top 188%)
Finish26.22 mi1.02 mi24148+6510069+2710069+2722158(Top 83%)9208(Top 81%)9208(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25238

Females

10589

F18-39

10589

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

25168

Females

10533

F18-39

10533

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25238

Females

10589

F18-39

10589

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

25015

Females

10486

F18-39

10486

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

23753

Females

9774

F18-39

9774

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

23839

Females

9869

F18-39

9869

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

24414

Females

10229

F18-39

10229

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21808

Females

8880

F18-39

8880

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22632

Females

9354

F18-39

9354

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23130

Females

9665

F18-39

9665

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23273

Females

9737

F18-39

9737

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22544

Females

9390

F18-39

9390

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22731

Females

9518

F18-39

9518

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22085

Females

9180

F18-39

9180

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22158

Females

9208

F18-39

9208

Passing Analysis

Category:
Athletes Passed
1307
Passed By
704
Net Change
+603
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24751
5K → 10K88347-259#24751#25010
10K → 15K73172-99#25010#25109
15K → 20K10685+21#25109#25088
20K → Half631+62#25088#25026
Half → 25K2036+197#25026#24829
25K → 30K12057+63#24829#24766
30K → 20M1990+199#24766#24567
20M → 21M1065+101#24567#24466
21M → 35K588+50#24466#24416
35K → 23M6010+50#24416#24366
23M → 24M712+69#24366#24297
24M → 40K577+50#24297#24247
40K → 25.2M351+34#24247#24213
25.2M → Finish683+65#24213#24148
TOTALS1307704+603
📊

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