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BOSTON MARATHON 2023

Gina Brown

Bib: 15451•F

NS

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 29%
Division (F18-39)
#0 / 4884
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:37
Rank: #13464
Start → 5K
7:55/mi
24:37 split
10K· 6.21 mi
48:37
Rank: #12928 (+536)
5K → 10K
7:43/mi
24:00 split
15K· 9.32 mi
1:12:33
Rank: #12529 (+399)
10K → 15K
7:42/mi
23:56 split
20K· 12.43 mi
1:36:57
Rank: #12417 (+112)
15K → 20K
7:51/mi
24:24 split
Half· 13.11 mi
1:42:10
Rank: #12352 (+65)
20K → Half
7:39/mi
5:13 split
25K· 15.53 mi
2:01:16
Rank: #12237 (+115)
Half → 25K
7:53/mi
19:06 split
30K· 18.64 mi
2:26:09
Rank: #11950 (+287)
25K → 30K
8:01/mi
24:53 split
20M
2:37:09
Rank: #11837 (+113)
30K → 20M
8:06/mi
11:00 split
21M
2:45:54
Rank: #11865 (-28)
20M → 21M
8:45/mi
8:45 split
35K· 21.75 mi
2:51:47
Rank: #11841 (+24)
21M → 35K
7:52/mi
5:53 split
23M
3:02:18
Rank: #11866 (-25)
35K → 23M
8:24/mi
10:31 split
24M
3:10:16
Rank: #11814 (+52)
23M → 24M
7:58/mi
7:58 split
40K· 24.85 mi
3:17:53
Rank: #11984 (-170)
24M → 40K
8:54/mi
7:37 split
25.2M
3:21:15
Rank: #12070 (-86)
40K → 25.2M
9:46/mi
3:22 split
Finish· 26.22 mi
3:30:07
Rank: #12299 (-229)
25.2M → Finish
8:42/mi
8:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:10
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:47:57
Pace8:14 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4724:377:5524:37
7:55
-
10K
6.21 mi11:18:4748:377:4924:00
7:43
-0:12
15K
9.32 mi11:42:431:12:337:4723:56
7:42
-0:01
20K
12.43 mi12:07:071:36:577:4824:24
7:51
+0:09
Half
13.11 mi12:12:201:42:107:485:13
7:39
-0:12
25K
15.53 mi12:31:262:01:167:4819:06
7:53
+0:14
30K
18.64 mi12:56:192:26:097:5024:53
8:01
+0:08
20M
20.00 mi13:07:192:37:097:5111:00
8:06
+0:05
21M
21.00 mi13:16:042:45:547:548:45
8:45
+0:39
35K
21.75 mi13:21:572:51:477:545:53
7:52
-0:53
23M
23.00 mi13:32:283:02:187:5610:31
8:24
+0:32
24M
24.00 mi13:40:263:10:167:567:58
7:58
-0:26
40K
24.85 mi13:48:033:17:537:587:37
8:54
+0:56
25.2M
25.20 mi13:51:253:21:157:593:22
9:46
+0:52
Finish
26.22 mi14:00:173:30:078:018:52
8:42
-1:04

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

7:39 /mi

Average Pace

8:01 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:13

2% of race

Time at Steady Pace

2:45:47

79% of race

Time at Slower Pace

39:07

19% of race

Average Pace: 8:01 /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 mi10:54:4724:377:5524:37
7:55
#13464
10K
6.21 mi11:18:4748:377:4924:00
7:43
#12928
15K
9.32 mi11:42:431:12:337:4723:56
7:42
#12529
20K
12.43 mi12:07:071:36:577:4824:24
7:51
#12417
Half
13.11 mi12:12:201:42:107:485:13
7:39
#12352
25K
15.53 mi12:31:262:01:167:4819:06
7:53
#12237
30K
18.64 mi12:56:192:26:097:5024:53
8:01
#11950
20M
20.00 mi13:07:192:37:097:5111:00
8:06
#11837
21M
21.00 mi13:16:042:45:547:548:45
8:45
#11865
35K
21.75 mi13:21:572:51:477:545:53
7:52
#11841
23M
23.00 mi13:32:283:02:187:5610:31
8:24
#11866
24M
24.00 mi13:40:263:10:167:567:58
7:58
#11814
40K
24.85 mi13:48:033:17:537:587:37
8:54
#11984
25.2M
25.20 mi13:51:253:21:157:593:22
9:46
#12070
Finish
26.22 mi14:00:173:30:078:018:52
8:42
#12299
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi134643691369111886(Top 45%)2843(Top 25%)2843(Top 58%)
10K6.21 mi3.10 mi12928+5363403+2883403+28812488(Top 47%)3144(Top 28%)3144(Top 64%)
15K9.32 mi3.11 mi12529+3993192+2113192+21111886(Top 45%)2843(Top 25%)2843(Top 58%)
20K12.43 mi3.11 mi12417+1123159+333159+3312209(Top 46%)3091(Top 27%)3091(Top 63%)
Half13.11 mi0.68 mi12352+653121+383121+3811499(Top 43%)2640(Top 23%)2640(Top 54%)
25K15.53 mi2.42 mi12237+1153076+453076+4511766(Top 44%)2940(Top 26%)2940(Top 60%)
30K18.64 mi3.11 mi11950+2872952+1242952+12410996(Top 41%)2639(Top 23%)2639(Top 54%)
20M20.00 mi1.36 mi11837+1132902+502902+5011014(Top 41%)2747(Top 24%)2747(Top 56%)
21M21.00 mi1.00 mi11865-282933-312933-3111986(Top 45%)3388(Top 30%)3388(Top 69%)
35K21.75 mi0.75 mi11841+242938-52938-511182(Top 42%)2969(Top 26%)2969(Top 61%)
23M23.00 mi1.25 mi11866-252972-342972-3412591(Top 47%)3842(Top 34%)3842(Top 79%)
24M24.00 mi1.00 mi11814+522961+112961+1111034(Top 41%)3107(Top 27%)3107(Top 64%)
40K24.85 mi0.85 mi11984-1703089-1283089-12815666(Top 59%)5658(Top 50%)5658(Top 116%)
25.2M25.20 mi0.35 mi12070-863148-593148-5916373(Top 62%)6067(Top 53%)6067(Top 124%)
Finish26.22 mi1.02 mi12299-2293290-1423290-14216499(Top 62%)6090(Top 53%)6090(Top 125%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11886

Females

2843

F18-39

2843

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12488

Females

3144

F18-39

3144

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11886

Females

2843

F18-39

2843

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12209

Females

3091

F18-39

3091

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11499

Females

2640

F18-39

2640

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11766

Females

2940

F18-39

2940

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10996

Females

2639

F18-39

2639

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11014

Females

2747

F18-39

2747

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11986

Females

3388

F18-39

3388

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11182

Females

2969

F18-39

2969

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12591

Females

3842

F18-39

3842

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11034

Females

3107

F18-39

3107

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15666

Females

5658

F18-39

5658

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16373

Females

6067

F18-39

6067

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16499

Females

6090

F18-39

6090

Passing Analysis

Category:
Athletes Passed
2502
Passed By
1337
Net Change
+1165
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13464
5K → 10K655119+536#13464#12928
10K → 15K46970+399#12928#12529
15K → 20K235123+112#12529#12417
20K → Half705+65#12417#12352
Half → 25K18065+115#12352#12237
25K → 30K35770+287#12237#11950
30K → 20M15643+113#11950#11837
20M → 21M82110-28#11837#11865
21M → 35K5935+24#11865#11841
35K → 23M84109-25#11841#11866
23M → 24M9745+52#11866#11814
24M → 40K27197-170#11814#11984
40K → 25.2M793-86#11984#12070
25.2M → Finish24253-229#12070#12299
TOTALS25021337+1165
📊

Passing Visuals

Category:
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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