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BOSTON MARATHON 2023

Jayme Brantsen

Bib: 12280•F

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 13%
Division (F18-39)
#0 / 4884
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:27/mi
23:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:11/mi
45:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:07:35
↑ 67↓ 78
20K· 12.43 mi
7:08/mi
1:29:44
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:34:36
↑ 19↓ 370.5%
25K· 15.53 mi
7:31/mi
1:52:49
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:17:01
↑ 181↓ 1480.2%
20M
7:57/mi
2:27:49
↑ 64↓ 500.2%
21M
8:27/mi
2:36:16
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:42:11
↑ 17↓ 861.7%
23M
8:15/mi
2:52:31
↑ 23↓ 630.6%
24M
8:01/mi
3:00:32
↓ 821.3%
40K· 24.85 mi
8:29/mi
3:07:47
↓ 200.3%
25.2M
9:14/mi
3:10:58
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:18:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:36
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:43:50
Pace7:55 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4823:097:2723:09
7:27
-
10K
6.21 mi11:13:0645:277:1922:18
7:11
-0:16
15K
9.32 mi11:35:141:07:357:1522:08
7:07
-0:04
20K
12.43 mi11:57:231:29:447:1322:09
7:08
+0:01
Half
13.11 mi12:02:151:34:367:134:52
7:08
0:00
25K
15.53 mi12:20:281:52:497:1618:13
7:31
+0:23
30K
18.64 mi12:44:402:17:017:2124:12
7:47
+0:16
20M
20.00 mi12:55:282:27:497:2310:48
7:57
+0:10
21M
21.00 mi13:03:552:36:167:268:27
8:27
+0:30
35K
21.75 mi13:09:502:42:117:275:55
7:55
-0:32
23M
23.00 mi13:20:102:52:317:3010:20
8:15
+0:20
24M
24.00 mi13:28:113:00:327:318:01
8:01
-0:14
40K
24.85 mi13:35:263:07:477:337:15
8:29
+0:28
25.2M
25.20 mi13:38:373:10:587:353:11
9:14
+0:45
Finish
26.22 mi13:46:053:18:267:347:28
7:20
-1:54

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

7:07 /mi

Average Pace

7:34 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:04

51% of race

Time at Steady Pace

1:07:09

34% of race

Time at Slower Pace

29:13

15% of race

Average Pace: 7:34 /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 mi10:50:4823:097:2723:09
7:27
#9244
10K
6.21 mi11:13:0645:277:1922:18
7:11
#8555
15K
9.32 mi11:35:141:07:357:1522:08
7:07
#8116
20K
12.43 mi11:57:231:29:447:1322:09
7:08
#7701
Half
13.11 mi12:02:151:34:367:134:52
7:08
#7672
25K
15.53 mi12:20:281:52:497:1618:13
7:31
#7810
30K
18.64 mi12:44:402:17:017:2124:12
7:47
#8023
20M
20.00 mi12:55:282:27:497:2310:48
7:57
#8112
21M
21.00 mi13:03:552:36:167:268:27
8:27
#8211
35K
21.75 mi13:09:502:42:117:275:55
7:55
#8309
23M
23.00 mi13:20:102:52:317:3010:20
8:15
#8482
24M
24.00 mi13:28:113:00:327:318:01
8:01
#8579
40K
24.85 mi13:35:263:07:477:337:15
8:29
#8737
25.2M
25.20 mi13:38:373:10:587:353:11
9:14
#8810
Finish
26.22 mi13:46:053:18:267:347:28
7:20
#8727
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9244150415047328(Top 28%)844(Top 7%)844(Top 17%)
10K6.21 mi3.10 mi8555+6891242+2621242+2627960(Top 30%)1040(Top 9%)1040(Top 21%)
15K9.32 mi3.11 mi8116+4391081+1611081+1617328(Top 28%)844(Top 7%)844(Top 17%)
20K12.43 mi3.11 mi7701+415948+133948+1336722(Top 25%)713(Top 6%)713(Top 15%)
Half13.11 mi0.68 mi7672+29942+6942+67468(Top 28%)925(Top 8%)925(Top 19%)
25K15.53 mi2.42 mi7810-1381008-661008-668894(Top 33%)1520(Top 13%)1520(Top 31%)
30K18.64 mi3.11 mi8023-2131125-1171125-1179286(Top 35%)1827(Top 16%)1827(Top 37%)
20M20.00 mi1.36 mi8112-891177-521177-529900(Top 37%)2180(Top 19%)2180(Top 45%)
21M21.00 mi1.00 mi8211-991235-581235-5810184(Top 38%)2459(Top 22%)2459(Top 50%)
35K21.75 mi0.75 mi8309-981282-471282-4711457(Top 43%)3097(Top 27%)3097(Top 63%)
23M23.00 mi1.25 mi8482-1731365-831365-8311556(Top 43%)3273(Top 29%)3273(Top 67%)
24M24.00 mi1.00 mi8579-971418-531418-5311361(Top 43%)3256(Top 29%)3256(Top 67%)
40K24.85 mi0.85 mi8737-1581512-941512-9413202(Top 50%)4300(Top 38%)4300(Top 88%)
25.2M25.20 mi0.35 mi8810-731552-401552-4013806(Top 52%)4617(Top 40%)4617(Top 95%)
Finish26.22 mi1.02 mi8727+831542+101542+107333(Top 28%)1557(Top 14%)1557(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7328

Females

844

F18-39

844

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

7960

Females

1040

F18-39

1040

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7328

Females

844

F18-39

844

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6722

Females

713

F18-39

713

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7468

Females

925

F18-39

925

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8894

Females

1520

F18-39

1520

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9286

Females

1827

F18-39

1827

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9900

Females

2180

F18-39

2180

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10184

Females

2459

F18-39

2459

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11457

Females

3097

F18-39

3097

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

11556

Females

3273

F18-39

3273

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11361

Females

3256

F18-39

3256

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13202

Females

4300

F18-39

4300

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13806

Females

4617

F18-39

4617

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7333

Females

1557

F18-39

1557

Passing Analysis

Category:
Athletes Passed
2121
Passed By
1604
Net Change
+517
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9244
5K → 10K73546+689#9244#8555
10K → 15K45415+439#8555#8116
15K → 20K4227+415#8116#7701
20K → Half4415+29#7701#7672
Half → 25K53191-138#7672#7810
25K → 30K64277-213#7810#8023
30K → 20M61150-89#8023#8112
20M → 21M43142-99#8112#8211
21M → 35K24122-98#8211#8309
35K → 23M37210-173#8309#8482
23M → 24M46143-97#8482#8579
24M → 40K22180-158#8579#8737
40K → 25.2M1386-73#8737#8810
25.2M → Finish10320+83#8810#8727
TOTALS21211604+517
📊

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