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BOSTON MARATHON 2023

Breanna Herring

Bib: 4375•F

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Female)
#0 / 11423
Top 1.0%
Division (F18-39)
#0 / 4884
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:11
Rank: #2269
Start → 5K
20:11 | 6:30/mi
10K· 6.21 mi
40:10
Rank: #2308 (-39)
5K → 10K
19:59 | 6:26/mi
15K· 9.32 mi
1:00:17
Rank: #2372 (-64)
10K → 15K
20:07 | 6:28/mi
20K· 12.43 mi
1:20:35
Rank: #2368 (+4)
15K → 20K
20:18 | 6:32/mi
Half· 13.11 mi
1:24:59
Rank: #2379 (-11)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:40:53
Rank: #2390 (-11)
Half → 25K
15:54 | 6:33/mi
30K· 18.64 mi
2:01:41
Rank: #2363 (+27)
25K → 30K
20:48 | 6:42/mi
20M
2:10:48
Rank: #2342 (+21)
30K → 20M
9:07 | 6:43/mi
21M
2:17:54
Rank: #2325 (+17)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:22:50
Rank: #2329 (-4)
21M → 35K
4:56 | 6:36/mi
23M
2:31:29
Rank: #2352 (-23)
35K → 23M
8:39 | 6:55/mi
24M
2:38:43
Rank: #2434 (-82)
23M → 24M
7:14 | 7:14/mi
40K· 24.85 mi
2:44:37
Rank: #2440 (-6)
24M → 40K
5:54 | 6:54/mi
25.2M
2:47:12
Rank: #2449 (-9)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:54:09
Rank: #2507 (-58)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:59
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:29:10
Pace6:48 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5720:116:3020:11
6:30
-
10K
6.21 mi10:41:5640:106:2819:59
6:26
-0:04
15K
9.32 mi11:02:031:00:176:2820:07
6:28
+0:02
20K
12.43 mi11:22:211:20:356:2920:18
6:32
+0:04
Half
13.11 mi11:26:451:24:596:294:24
6:27
-0:05
25K
15.53 mi11:42:391:40:536:3015:54
6:33
+0:06
30K
18.64 mi12:03:272:01:416:3220:48
6:42
+0:09
20M
20.00 mi12:12:342:10:486:329:07
6:43
+0:01
21M
21.00 mi12:19:402:17:546:347:06
7:06
+0:23
35K
21.75 mi12:24:362:22:506:344:56
6:36
-0:30
23M
23.00 mi12:33:152:31:296:358:39
6:55
+0:19
24M
24.00 mi12:40:292:38:436:377:14
7:14
+0:19
40K
24.85 mi12:46:232:44:376:375:54
6:54
-0:20
25.2M
25.20 mi12:48:582:47:126:382:35
7:29
+0:35
Finish
26.22 mi12:55:552:54:096:396:57
6:49
-0:40

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

6:26 /mi

Average Pace

6:39 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:14

90% of race

Time at Steady Pace

16:55

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:21:5720:116:3020:11
6:30
#2269
10K
6.21 mi10:41:5640:106:2819:59
6:26
#2308
15K
9.32 mi11:02:031:00:176:2820:07
6:28
#2372
20K
12.43 mi11:22:211:20:356:2920:18
6:32
#2368
Half
13.11 mi11:26:451:24:596:294:24
6:27
#2379
25K
15.53 mi11:42:391:40:536:3015:54
6:33
#2390
30K
18.64 mi12:03:272:01:416:3220:48
6:42
#2363
20M
20.00 mi12:12:342:10:486:329:07
6:43
#2342
21M
21.00 mi12:19:402:17:546:347:06
7:06
#2325
35K
21.75 mi12:24:362:22:506:344:56
6:36
#2329
23M
23.00 mi12:33:152:31:296:358:39
6:55
#2352
24M
24.00 mi12:40:292:38:436:377:14
7:14
#2434
40K
24.85 mi12:46:232:44:376:375:54
6:54
#2440
25.2M
25.20 mi12:48:582:47:126:382:35
7:29
#2449
Finish
26.22 mi12:55:552:54:096:396:57
6:49
#2507
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi22691041042505(Top 9%)100(Top 0.9%)100(Top 2%)
10K6.21 mi3.10 mi2308-39102+2102+22416(Top 9%)102(Top 0.9%)102(Top 2%)
15K9.32 mi3.11 mi2372-6499+399+32505(Top 9%)100(Top 0.9%)100(Top 2%)
20K12.43 mi3.11 mi2368+497+297+22497(Top 9%)105(Top 0.9%)105(Top 2%)
Half13.11 mi0.68 mi2379-1196+196+12544(Top 10%)102(Top 0.9%)102(Top 2%)
25K15.53 mi2.42 mi2390-1198-298-22490(Top 9%)107(Top 0.9%)107(Top 2%)
30K18.64 mi3.11 mi2363+2797+197+12389(Top 9%)113(Top 1.0%)113(Top 2%)
20M20.00 mi1.36 mi2342+2195+295+22339(Top 9%)118(Top 1%)118(Top 2%)
21M21.00 mi1.00 mi2325+1796-196-12650(Top 10%)155(Top 1%)155(Top 3%)
35K21.75 mi0.75 mi2329-496963017(Top 11%)189(Top 2%)189(Top 4%)
23M23.00 mi1.25 mi2352-2399-399-33318(Top 12%)232(Top 2%)232(Top 5%)
24M24.00 mi1.00 mi2434-82104-5104-55959(Top 22%)867(Top 8%)867(Top 18%)
40K24.85 mi0.85 mi2440-6106-2106-23360(Top 13%)283(Top 2%)283(Top 6%)
25.2M25.20 mi0.35 mi2449-9109-3109-33920(Top 15%)409(Top 4%)409(Top 8%)
Finish26.22 mi1.02 mi2507-58114-5114-54210(Top 16%)496(Top 4%)496(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2505

Females

100

F18-39

100

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2416

Females

102

F18-39

102

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2505

Females

100

F18-39

100

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2497

Females

105

F18-39

105

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2544

Females

102

F18-39

102

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2490

Females

107

F18-39

107

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2389

Females

113

F18-39

113

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2339

Females

118

F18-39

118

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2650

Females

155

F18-39

155

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3017

Females

189

F18-39

189

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3318

Females

232

F18-39

232

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5959

Females

867

F18-39

867

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3360

Females

283

F18-39

283

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3920

Females

409

F18-39

409

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4210

Females

496

F18-39

496

Passing Analysis

Category:
Athletes Passed
536
Passed By
774
Net Change
-238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2269
5K → 10K95134-39#2269#2308
10K → 15K55119-64#2308#2372
15K → 20K6460+4#2372#2368
20K → Half718-11#2368#2379
Half → 25K4051-11#2379#2390
25K → 30K8053+27#2390#2363
30K → 20M4524+21#2363#2342
20M → 21M3821+17#2342#2325
21M → 35K1923-4#2325#2329
35K → 23M3053-23#2329#2352
23M → 24M991-82#2352#2434
24M → 40K1925-6#2434#2440
40K → 25.2M1524-9#2440#2449
25.2M → Finish2078-58#2449#2507
TOTALS536774-238
📊

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