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BOSTON MARATHON 2023

Jana Keller

Bib: 25743•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
10:52/mi
33:46
↑ 97↓ 3451.5%
10K· 6.21 mi
11:06/mi
1:08:16
↑ 79↓ 1380.4%
15K· 9.32 mi
11:13/mi
1:43:07
↑ 67↓ 78
20K· 12.43 mi
11:03/mi
2:17:27
↑ 106↓ 860.1%
Half· 13.11 mi
11:00/mi
2:24:57
↑ 19↓ 370.5%
25K· 15.53 mi
11:21/mi
2:52:28
↑ 66↓ 880.2%
30K· 18.64 mi
11:41/mi
3:28:45
↑ 181↓ 1480.2%
20M
12:11/mi
3:45:19
↑ 64↓ 500.2%
21M
12:15/mi
3:57:34
↑ 106↓ 241.6%
35K· 21.75 mi
14:02/mi
4:08:04
↑ 17↓ 861.7%
23M
11:45/mi
4:22:47
↑ 23↓ 630.6%
24M
12:14/mi
4:35:01
↓ 821.3%
40K· 24.85 mi
12:13/mi
4:45:28
↓ 200.3%
25.2M
11:50/mi
4:49:33
↑ 13↓ 160.2%
Finish· 26.22 mi
10:24/mi
5:00:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:57
Pace11:03 /mi
2nd Half
Distance13.11 mi
Time2:35:12
Pace11:50 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:0133:4610:5233:46
10:52
-
10K
6.21 mi12:31:311:08:1610:5934:30
11:06
+0:14
15K
9.32 mi13:06:221:43:0711:0434:51
11:13
+0:07
20K
12.43 mi13:40:422:17:2711:0434:20
11:03
-0:10
Half
13.11 mi13:48:122:24:5711:037:30
11:00
-0:03
25K
15.53 mi14:15:432:52:2811:0627:31
11:21
+0:21
30K
18.64 mi14:52:003:28:4511:1236:17
11:41
+0:20
20M
20.00 mi15:08:343:45:1911:1616:34
12:11
+0:30
21M
21.00 mi15:20:493:57:3411:1912:15
12:15
+0:04
35K
21.75 mi15:31:194:08:0411:2410:30
14:02
+1:47
23M
23.00 mi15:46:024:22:4711:2614:43
11:45
-2:17
24M
24.00 mi15:58:164:35:0111:2812:14
12:14
+0:29
40K
24.85 mi16:08:434:45:2811:2910:27
12:13
-0:01
25.2M
25.20 mi16:12:484:49:3311:294:05
11:50
-0:23
Finish
26.22 mi16:23:245:00:0911:2710:36
10:24
-1:26

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

10:24 /mi

Average Pace

11:27 /mi

Slowest Pace

14:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:33

52% of race

Time at Steady Pace

1:22:36

28% of race

Time at Slower Pace

1:02:00

21% of race

Average Pace: 11:27 /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 mi11:57:0133:4610:5233:46
10:52
#25488
10K
6.21 mi12:31:311:08:1610:5934:30
11:06
#25576
15K
9.32 mi13:06:221:43:0711:0434:51
11:13
#25533
20K
12.43 mi13:40:422:17:2711:0434:20
11:03
#25308
Half
13.11 mi13:48:122:24:5711:037:30
11:00
#25290
25K
15.53 mi14:15:432:52:2811:0627:31
11:21
#25152
30K
18.64 mi14:52:003:28:4511:1236:17
11:41
#24966
20M
20.00 mi15:08:343:45:1911:1616:34
12:11
#24940
21M
21.00 mi15:20:493:57:3411:1912:15
12:15
#24834
35K
21.75 mi15:31:194:08:0411:2410:30
14:02
#24951
23M
23.00 mi15:46:024:22:4711:2614:43
11:45
#24891
24M
24.00 mi15:58:164:35:0111:2812:14
12:14
#24900
40K
24.85 mi16:08:434:45:2811:2910:27
12:13
#24888
25.2M
25.20 mi16:12:484:49:3311:294:05
11:50
#24859
Finish
26.22 mi16:23:245:00:0911:2710:36
10:24
#24827
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi25488107161071625443(Top 96%)10708(Top 94%)10708(Top 589%)
10K6.21 mi3.10 mi25576-8810785-6910785-6925570(Top 96%)10778(Top 94%)10778(Top 593%)
15K9.32 mi3.11 mi25533+4310755+3010755+3025443(Top 96%)10708(Top 94%)10708(Top 589%)
20K12.43 mi3.11 mi25308+22510631+12410631+12424691(Top 93%)10303(Top 90%)10303(Top 567%)
Half13.11 mi0.68 mi25290+1810623+810623+824943(Top 94%)10467(Top 92%)10467(Top 576%)
25K15.53 mi2.42 mi25152+13810553+7010553+7024478(Top 92%)10218(Top 89%)10218(Top 562%)
30K18.64 mi3.11 mi24966+18610465+8810465+8824101(Top 91%)10069(Top 88%)10069(Top 554%)
20M20.00 mi1.36 mi24940+2610460+510460+524427(Top 92%)10301(Top 90%)10301(Top 567%)
21M21.00 mi1.00 mi24834+10610405+5510405+5523136(Top 87%)9618(Top 84%)9618(Top 529%)
35K21.75 mi0.75 mi24951-11710484-7910484-7926145(Top 98%)11199(Top 98%)11199(Top 616%)
23M23.00 mi1.25 mi24891+6010459+2510459+2523662(Top 89%)9935(Top 87%)9935(Top 547%)
24M24.00 mi1.00 mi24900-910474-1510474-1524784(Top 93%)10576(Top 93%)10576(Top 582%)
40K24.85 mi0.85 mi24888+1210469+510469+524152(Top 91%)10258(Top 90%)10258(Top 565%)
25.2M25.20 mi0.35 mi24859+2910457+1210457+1222254(Top 84%)9274(Top 81%)9274(Top 510%)
Finish26.22 mi1.02 mi24827+3210448+910448+922822(Top 86%)9565(Top 84%)9565(Top 526%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25443

Females

10708

F45-49

10708

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25570

Females

10778

F45-49

10778

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25443

Females

10708

F45-49

10708

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

24691

Females

10303

F45-49

10303

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24943

Females

10467

F45-49

10467

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24478

Females

10218

F45-49

10218

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

24101

Females

10069

F45-49

10069

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24427

Females

10301

F45-49

10301

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23136

Females

9618

F45-49

9618

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

26145

Females

11199

F45-49

11199

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23662

Females

9935

F45-49

9935

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24784

Females

10576

F45-49

10576

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24152

Females

10258

F45-49

10258

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22254

Females

9274

F45-49

9274

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

22822

Females

9565

F45-49

9565

Passing Analysis

Category:
Athletes Passed
1206
Passed By
545
Net Change
+661
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25488
5K → 10K111199-88#25488#25576
10K → 15K11168+43#25576#25533
15K → 20K23813+225#25533#25308
20K → Half268+18#25308#25290
Half → 25K15517+138#25290#25152
25K → 30K19812+186#25152#24966
30K → 20M5327+26#24966#24940
20M → 21M1071+106#24940#24834
21M → 35K5122-117#24834#24951
35K → 23M677+60#24951#24891
23M → 24M2534-9#24891#24900
24M → 40K3826+12#24900#24888
40K → 25.2M301+29#24888#24859
25.2M → Finish4210+32#24859#24827
TOTALS1206545+661
📊

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