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BOSTON MARATHON 2023

Jamie Brenner

Bib: 29855•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
34:34
Rank: #25846
Start → 5K
11:08/mi
34:34 split
10K· 6.21 mi
1:07:33
Rank: #25403 (+443)
5K → 10K
10:37/mi
32:59 split
15K· 9.32 mi
1:40:35
Rank: #25126 (+277)
10K → 15K
10:38/mi
33:02 split
20K· 12.43 mi
2:16:24
Rank: #25175 (-49)
15K → 20K
11:32/mi
35:49 split
Half· 13.11 mi
2:23:43
Rank: #25143 (+32)
20K → Half
10:43/mi
7:19 split
25K· 15.53 mi
2:50:20
Rank: #24954 (+189)
Half → 25K
10:59/mi
26:37 split
30K· 18.64 mi
3:30:50
Rank: #25108 (-154)
25K → 30K
13:02/mi
40:30 split
20M
3:49:06
Rank: #25171 (-63)
30K → 20M
13:27/mi
18:16 split
21M
4:07:25
Rank: #25396 (-225)
20M → 21M
18:19/mi
18:19 split
35K· 21.75 mi
4:15:44
Rank: #25345 (+51)
21M → 35K
11:07/mi
8:19 split
23M
4:31:09
Rank: #25309 (+36)
35K → 23M
12:19/mi
15:25 split
24M
4:44:07
Rank: #25328 (-19)
23M → 24M
12:58/mi
12:58 split
40K· 24.85 mi
4:54:37
Rank: #25300 (+28)
24M → 40K
12:17/mi
10:30 split
25.2M
5:00:06
Rank: #25322 (-22)
40K → 25.2M
15:54/mi
5:29 split
Finish· 26.22 mi
5:10:52
Rank: #25267 (+55)
25.2M → Finish
10:34/mi
10:46 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:43
Pace10:58 /mi
2nd Half
Distance13.11 mi
Time2:47:09
Pace12:45 /mi
📊Positive Split: 16.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3134:3411:0834:34
11:08
-
10K
6.21 mi12:25:301:07:3310:5232:59
10:37
-0:31
15K
9.32 mi12:58:321:40:3510:4733:02
10:38
+0:01
20K
12.43 mi13:34:212:16:2410:5935:49
11:32
+0:54
Half
13.11 mi13:41:402:23:4310:587:19
10:43
-0:49
25K
15.53 mi14:08:172:50:2010:5826:37
10:59
+0:16
30K
18.64 mi14:48:473:30:5011:1940:30
13:02
+2:03
20M
20.00 mi15:07:033:49:0611:2718:16
13:27
+0:25
21M
21.00 mi15:25:224:07:2511:4718:19
18:19
+4:52
35K
21.75 mi15:33:414:15:4411:468:19
11:07
-7:12
23M
23.00 mi15:49:064:31:0911:4715:25
12:19
+1:12
24M
24.00 mi16:02:044:44:0711:5012:58
12:58
+0:39
40K
24.85 mi16:12:344:54:3711:5110:30
12:17
-0:41
25.2M
25.20 mi16:18:035:00:0611:555:29
15:54
+3:37
Finish
26.22 mi16:28:495:10:5211:5210:46
10:34
-5:20

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

10:34 /mi

Average Pace

11:52 /mi

Slowest Pace

18:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:35:20

69% of race

Time at Slower Pace

1:35:32

31% of race

Average Pace: 11:51 /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 mi11:52:3134:3411:0834:34
11:08
#25846
10K
6.21 mi12:25:301:07:3310:5232:59
10:37
#25403
15K
9.32 mi12:58:321:40:3510:4733:02
10:38
#25126
20K
12.43 mi13:34:212:16:2410:5935:49
11:32
#25175
Half
13.11 mi13:41:402:23:4310:587:19
10:43
#25143
25K
15.53 mi14:08:172:50:2010:5826:37
10:59
#24954
30K
18.64 mi14:48:473:30:5011:1940:30
13:02
#25108
20M
20.00 mi15:07:033:49:0611:2718:16
13:27
#25171
21M
21.00 mi15:25:224:07:2511:4718:19
18:19
#25396
35K
21.75 mi15:33:414:15:4411:468:19
11:07
#25345
23M
23.00 mi15:49:064:31:0911:4715:25
12:19
#25309
24M
24.00 mi16:02:044:44:0711:5012:58
12:58
#25328
40K
24.85 mi16:12:344:54:3711:5110:30
12:17
#25300
25.2M
25.20 mi16:18:035:00:0611:555:29
15:54
#25322
Finish
26.22 mi16:28:495:10:5211:5210:46
10:34
#25267
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25846109531095324698(Top 93%)10292(Top 90%)10292(Top 211%)
10K6.21 mi3.10 mi25403+44310669+28410669+28424887(Top 93%)10379(Top 91%)10379(Top 213%)
15K9.32 mi3.11 mi25126+27710511+15810511+15824698(Top 93%)10292(Top 90%)10292(Top 211%)
20K12.43 mi3.11 mi25175-4910553-4210553-4225277(Top 95%)10645(Top 93%)10645(Top 218%)
Half13.11 mi0.68 mi25143+3210536+1710536+1724570(Top 92%)10254(Top 90%)10254(Top 210%)
25K15.53 mi2.42 mi24954+18910437+9910437+9923948(Top 90%)9930(Top 87%)9930(Top 203%)
30K18.64 mi3.11 mi25108-15410549-11210549-11225445(Top 96%)10813(Top 95%)10813(Top 221%)
20M20.00 mi1.36 mi25171-6310591-4210591-4225504(Top 96%)10861(Top 95%)10861(Top 222%)
21M21.00 mi1.00 mi25396-22510730-13910730-13926566(Top 100%)11399(Top 100%)11399(Top 233%)
35K21.75 mi0.75 mi25345+5110707+2310707+2323530(Top 88%)9895(Top 87%)9895(Top 203%)
23M23.00 mi1.25 mi25309+3610691+1610691+1624385(Top 92%)10334(Top 90%)10334(Top 212%)
24M24.00 mi1.00 mi25328-1910704-1310704-1325447(Top 96%)10902(Top 95%)10902(Top 223%)
40K24.85 mi0.85 mi25300+2810690+1410690+1424215(Top 91%)10292(Top 90%)10292(Top 211%)
25.2M25.20 mi0.35 mi25322-2210707-1710707-1726087(Top 98%)11205(Top 98%)11205(Top 229%)
Finish26.22 mi1.02 mi25267+5510682+2510682+2523157(Top 87%)9727(Top 85%)9727(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

24698

Females

10292

F18-39

10292

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24887

Females

10379

F18-39

10379

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

24698

Females

10292

F18-39

10292

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

25277

Females

10645

F18-39

10645

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24570

Females

10254

F18-39

10254

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

23948

Females

9930

F18-39

9930

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25445

Females

10813

F18-39

10813

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

25504

Females

10861

F18-39

10861

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

26566

Females

11399

F18-39

11399

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23530

Females

9895

F18-39

9895

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24385

Females

10334

F18-39

10334

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

25447

Females

10902

F18-39

10902

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24215

Females

10292

F18-39

10292

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26087

Females

11205

F18-39

11205

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23157

Females

9727

F18-39

9727

Passing Analysis

Category:
Athletes Passed
1336
Passed By
757
Net Change
+579
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25846
5K → 10K46421+443#25846#25403
10K → 15K28811+277#25403#25126
15K → 20K73122-49#25126#25175
20K → Half408+32#25175#25143
Half → 25K1956+189#25143#24954
25K → 30K39193-154#24954#25108
30K → 20M1982-63#25108#25171
20M → 21M1226-225#25171#25396
21M → 35K521+51#25396#25345
35K → 23M5418+36#25345#25309
23M → 24M1938-19#25309#25328
24M → 40K368+28#25328#25300
40K → 25.2M022-22#25300#25322
25.2M → Finish561+55#25322#25267
TOTALS1336757+579
📊

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