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BOSTON MARATHON 2023

Brooke Mashburn

Bib: 16753•F

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Division (F18-39)
#0 / 4884
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:24
Rank: #15272
Start → 5K
25:24 | 8:11/mi
10K· 6.21 mi
50:17
Rank: #15057 (+215)
5K → 10K
24:53 | 8:01/mi
15K· 9.32 mi
1:15:13
Rank: #14904 (+153)
10K → 15K
24:56 | 8:02/mi
20K· 12.43 mi
1:40:16
Rank: #14641 (+263)
15K → 20K
25:03 | 8:04/mi
Half· 13.11 mi
1:45:37
Rank: #14558 (+83)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:04:57
Rank: #14231 (+327)
Half → 25K
19:20 | 7:58/mi
30K· 18.64 mi
2:30:15
Rank: #13773 (+458)
25K → 30K
25:18 | 8:09/mi
20M
2:41:15
Rank: #13532 (+241)
30K → 20M
11:00 | 8:06/mi
21M
2:49:35
Rank: #13258 (+274)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:55:08
Rank: #13035 (+223)
21M → 35K
5:33 | 7:25/mi
23M
3:04:49
Rank: #12715 (+320)
35K → 23M
9:41 | 7:44/mi
24M
3:12:20
Rank: #12474 (+241)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
3:18:57
Rank: #12309 (+165)
24M → 40K
6:37 | 7:44/mi
25.2M
3:21:46
Rank: #12236 (+73)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:29:06
Rank: #11987 (+249)
25.2M → Finish
7:20 | 7:12/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:45:37
Pace8:03 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:29
Pace7:54 /mi
📊Negative Split: 2.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3125:248:1125:24
8:11
-
10K
6.21 mi11:46:2450:178:0624:53
8:01
-0:10
15K
9.32 mi12:11:201:15:138:0424:56
8:02
+0:01
20K
12.43 mi12:36:231:40:168:0425:03
8:04
+0:02
Half
13.11 mi12:41:441:45:378:035:21
7:50
-0:14
25K
15.53 mi13:01:042:04:578:0319:20
7:58
+0:08
30K
18.64 mi13:26:222:30:158:0425:18
8:09
+0:11
20M
20.00 mi13:37:222:41:158:0411:00
8:06
-0:03
21M
21.00 mi13:45:422:49:358:058:20
8:20
+0:14
35K
21.75 mi13:51:152:55:088:035:33
7:25
-0:55
23M
23.00 mi14:00:563:04:498:029:41
7:44
+0:19
24M
24.00 mi14:08:273:12:208:017:31
7:31
-0:13
40K
24.85 mi14:15:043:18:578:006:37
7:44
+0:13
25.2M
25.20 mi14:17:533:21:468:002:49
8:10
+0:26
Finish
26.22 mi14:25:133:29:067:597:20
7:12
-0:58

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

7:12 /mi

Average Pace

7:59 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:03

20% of race

Time at Steady Pace

2:47:03

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi11:21:3125:248:1125:24
8:11
#15272
10K
6.21 mi11:46:2450:178:0624:53
8:01
#15057
15K
9.32 mi12:11:201:15:138:0424:56
8:02
#14904
20K
12.43 mi12:36:231:40:168:0425:03
8:04
#14641
Half
13.11 mi12:41:441:45:378:035:21
7:50
#14558
25K
15.53 mi13:01:042:04:578:0319:20
7:58
#14231
30K
18.64 mi13:26:222:30:158:0425:18
8:09
#13773
20M
20.00 mi13:37:222:41:158:0411:00
8:06
#13532
21M
21.00 mi13:45:422:49:358:058:20
8:20
#13258
35K
21.75 mi13:51:152:55:088:035:33
7:25
#13035
23M
23.00 mi14:00:563:04:498:029:41
7:44
#12715
24M
24.00 mi14:08:273:12:208:017:31
7:31
#12474
40K
24.85 mi14:15:043:18:578:006:37
7:44
#12309
25.2M
25.20 mi14:17:533:21:468:002:49
8:10
#12236
Finish
26.22 mi14:25:133:29:067:597:20
7:12
#11987
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi152724809480914589(Top 55%)4432(Top 39%)4432(Top 91%)
10K6.21 mi3.10 mi15057+2154680+1294680+12914865(Top 56%)4582(Top 40%)4582(Top 94%)
15K9.32 mi3.11 mi14904+1534598+824598+8214589(Top 55%)4432(Top 39%)4432(Top 91%)
20K12.43 mi3.11 mi14641+2634452+1464452+14613946(Top 52%)4073(Top 36%)4073(Top 83%)
Half13.11 mi0.68 mi14558+834399+534399+5313134(Top 49%)3568(Top 31%)3568(Top 73%)
25K15.53 mi2.42 mi14231+3274249+1504249+15012535(Top 47%)3375(Top 30%)3375(Top 69%)
30K18.64 mi3.11 mi13773+4584003+2464003+24611950(Top 45%)3156(Top 28%)3156(Top 65%)
20M20.00 mi1.36 mi13532+2413878+1253878+12511012(Top 41%)2745(Top 24%)2745(Top 56%)
21M21.00 mi1.00 mi13258+2743726+1523726+1529468(Top 36%)2142(Top 19%)2142(Top 44%)
35K21.75 mi0.75 mi13035+2233618+1083618+1088011(Top 30%)1518(Top 13%)1518(Top 31%)
23M23.00 mi1.25 mi12715+3203461+1573461+1577997(Top 30%)1594(Top 14%)1594(Top 33%)
24M24.00 mi1.00 mi12474+2413334+1273334+1277865(Top 30%)1640(Top 14%)1640(Top 34%)
40K24.85 mi0.85 mi12309+1653260+743260+748301(Top 31%)1883(Top 16%)1883(Top 39%)
25.2M25.20 mi0.35 mi12236+733234+263234+267624(Top 29%)1694(Top 15%)1694(Top 35%)
Finish26.22 mi1.02 mi11987+2493118+1163118+1166456(Top 24%)1234(Top 11%)1234(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14589

Females

4432

F18-39

4432

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14865

Females

4582

F18-39

4582

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14589

Females

4432

F18-39

4432

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13946

Females

4073

F18-39

4073

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13134

Females

3568

F18-39

3568

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12535

Females

3375

F18-39

3375

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

11950

Females

3156

F18-39

3156

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11012

Females

2745

F18-39

2745

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9468

Females

2142

F18-39

2142

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8011

Females

1518

F18-39

1518

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7997

Females

1594

F18-39

1594

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7865

Females

1640

F18-39

1640

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8301

Females

1883

F18-39

1883

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7624

Females

1694

F18-39

1694

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6456

Females

1234

F18-39

1234

Passing Analysis

Category:
Athletes Passed
3747
Passed By
462
Net Change
+3285
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15272
5K → 10K427212+215#15272#15057
10K → 15K259106+153#15057#14904
15K → 20K33067+263#14904#14641
20K → Half9310+83#14641#14558
Half → 25K3358+327#14558#14231
25K → 30K48325+458#14231#13773
30K → 20M2487+241#13773#13532
20M → 21M2806+274#13532#13258
21M → 35K2241+223#13258#13035
35K → 23M3211+320#13035#12715
23M → 24M2443+241#12715#12474
24M → 40K1716+165#12474#12309
40K → 25.2M774+73#12309#12236
25.2M → Finish2556+249#12236#11987
TOTALS3747462+3285
📊

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