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BOSTON MARATHON 2023

Diana Jacobs

Bib: 15798•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
8:37/mi
26:45
↑ 97↓ 3451.5%
10K· 6.21 mi
8:43/mi
53:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:44/mi
1:20:57
↑ 67↓ 78
20K· 12.43 mi
9:00/mi
1:48:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:39/mi
1:54:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:16:38
↑ 66↓ 880.2%
30K· 18.64 mi
9:13/mi
2:45:16
↑ 181↓ 1480.2%
20M
9:38/mi
2:58:21
↑ 64↓ 500.2%
21M
11:29/mi
3:09:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:52/mi
3:16:28
↑ 17↓ 861.7%
23M
10:14/mi
3:29:17
↑ 23↓ 630.6%
24M
9:49/mi
3:39:06
↓ 821.3%
40K· 24.85 mi
9:05/mi
3:46:52
↓ 200.3%
25.2M
9:52/mi
3:50:16
↑ 13↓ 160.2%
Finish· 26.22 mi
9:07/mi
3:59:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:50
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:04:43
Pace9:31 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:2926:458:3726:45
8:37
-
10K
6.21 mi11:24:3353:498:4027:04
8:43
+0:06
15K
9.32 mi11:51:411:20:578:4127:08
8:44
+0:01
20K
12.43 mi12:19:401:48:568:4627:59
9:00
+0:16
Half
13.11 mi12:25:341:54:508:465:54
8:39
-0:21
25K
15.53 mi12:47:222:16:388:4821:48
8:59
+0:20
30K
18.64 mi13:16:002:45:168:5228:38
9:13
+0:14
20M
20.00 mi13:29:052:58:218:5513:05
9:38
+0:25
21M
21.00 mi13:40:343:09:509:0211:29
11:29
+1:51
35K
21.75 mi13:47:123:16:289:026:38
8:52
-2:37
23M
23.00 mi14:00:013:29:179:0612:49
10:14
+1:22
24M
24.00 mi14:09:503:39:069:089:49
9:49
-0:25
40K
24.85 mi14:17:363:46:529:087:46
9:05
-0:44
25.2M
25.20 mi14:21:003:50:169:083:24
9:52
+0:47
Finish
26.22 mi14:30:173:59:339:099:17
9:07
-0:45

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

8:37 /mi

Average Pace

9:09 /mi

Slowest Pace

11:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:39

14% of race

Time at Steady Pace

2:36:18

65% of race

Time at Slower Pace

50:36

21% of race

Average Pace: 9:08 /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 mi10:57:2926:458:3726:45
8:37
#18306
10K
6.21 mi11:24:3353:498:4027:04
8:43
#18891
15K
9.32 mi11:51:411:20:578:4127:08
8:44
#18965
20K
12.43 mi12:19:401:48:568:4627:59
9:00
#19149
Half
13.11 mi12:25:341:54:508:465:54
8:39
#19117
25K
15.53 mi12:47:222:16:388:4821:48
8:59
#19058
30K
18.64 mi13:16:002:45:168:5228:38
9:13
#18922
20M
20.00 mi13:29:052:58:218:5513:05
9:38
#18961
21M
21.00 mi13:40:343:09:509:0211:29
11:29
#19228
35K
21.75 mi13:47:123:16:289:026:38
8:52
#19177
23M
23.00 mi14:00:013:29:179:0612:49
10:14
#19294
24M
24.00 mi14:09:503:39:069:089:49
9:49
#19357
40K
24.85 mi14:17:363:46:529:087:46
9:05
#19261
25.2M
25.20 mi14:21:003:50:169:083:24
9:52
#19230
Finish
26.22 mi14:30:173:59:339:099:17
9:07
#19237
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi183066747674719162(Top 72%)7197(Top 63%)7197(Top 596%)
10K6.21 mi3.10 mi18891-5857073-3267073-32619494(Top 73%)7383(Top 65%)7383(Top 612%)
15K9.32 mi3.11 mi18965-747111-387111-3819162(Top 72%)7197(Top 63%)7197(Top 596%)
20K12.43 mi3.11 mi19149-1847207-967207-9619739(Top 74%)7518(Top 66%)7518(Top 623%)
Half13.11 mi0.68 mi19117+327193+147193+1418682(Top 70%)6896(Top 60%)6896(Top 571%)
25K15.53 mi2.42 mi19058+597153+407153+4018920(Top 71%)7088(Top 62%)7088(Top 587%)
30K18.64 mi3.11 mi18922+1367093+607093+6018241(Top 69%)6787(Top 59%)6787(Top 562%)
20M20.00 mi1.36 mi18961-397139-467139-4619329(Top 73%)7471(Top 65%)7471(Top 619%)
21M21.00 mi1.00 mi19228-2677300-1617300-16121855(Top 82%)8916(Top 78%)8916(Top 739%)
35K21.75 mi0.75 mi19177+517280+207280+2017333(Top 65%)6473(Top 57%)6473(Top 536%)
23M23.00 mi1.25 mi19294-1177348-687348-6820677(Top 78%)8331(Top 73%)8331(Top 690%)
24M24.00 mi1.00 mi19357-637387-397387-3920293(Top 76%)8146(Top 71%)8146(Top 675%)
40K24.85 mi0.85 mi19261+967346+417346+4116604(Top 62%)6194(Top 54%)6194(Top 513%)
25.2M25.20 mi0.35 mi19230+317333+137333+1316890(Top 63%)6381(Top 56%)6381(Top 529%)
Finish26.22 mi1.02 mi19237-77346-137346-1318533(Top 70%)7191(Top 63%)7191(Top 596%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

19162

Females

7197

F50-54

7197

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19494

Females

7383

F50-54

7383

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

19162

Females

7197

F50-54

7197

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

19739

Females

7518

F50-54

7518

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18682

Females

6896

F50-54

6896

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18920

Females

7088

F50-54

7088

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18241

Females

6787

F50-54

6787

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19329

Females

7471

F50-54

7471

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21855

Females

8916

F50-54

8916

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17333

Females

6473

F50-54

6473

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20677

Females

8331

F50-54

8331

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20293

Females

8146

F50-54

8146

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16604

Females

6194

F50-54

6194

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16890

Females

6381

F50-54

6381

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

18533

Females

7191

F50-54

7191

Passing Analysis

Category:
Athletes Passed
1230
Passed By
2161
Net Change
-931
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18306
5K → 10K121706-585#18306#18891
10K → 15K148222-74#18891#18965
15K → 20K103287-184#18965#19149
20K → Half4614+32#19149#19117
Half → 25K14182+59#19117#19058
25K → 30K239103+136#19058#18922
30K → 20M64103-39#18922#18961
20M → 21M21288-267#18961#19228
21M → 35K6615+51#19228#19177
35K → 23M44161-117#19177#19294
23M → 24M43106-63#19294#19357
24M → 40K993+96#19357#19261
40K → 25.2M4110+31#19261#19230
25.2M → Finish5461-7#19230#19237
TOTALS12302161-931
📊

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