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BOSTON MARATHON 2023

Jana Harrison

Bib: 12967•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Masters (Masters Women)
#0 / 6539
Top 37%
Division (F50-54)
#0 / 1207
Top 28%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:29
Rank: #10166
Start → 5K
23:29 | 7:34/mi
10K· 6.21 mi
48:00
Rank: #12064 (-1898)
5K → 10K
24:31 | 7:53/mi
15K· 9.32 mi
1:13:29
Rank: #13450 (-1386)
10K → 15K
25:29 | 8:12/mi
20K· 12.43 mi
1:40:05
Rank: #14519 (-1069)
15K → 20K
26:36 | 8:34/mi
Half· 13.11 mi
1:45:52
Rank: #14698 (-179)
20K → Half
5:47 | 8:29/mi
25K· 15.53 mi
2:07:17
Rank: #15315 (-617)
Half → 25K
21:25 | 8:50/mi
30K· 18.64 mi
2:35:28
Rank: #15753 (-438)
25K → 30K
28:11 | 9:04/mi
20M
2:47:47
Rank: #15821 (-68)
30K → 20M
12:19 | 9:04/mi
21M
2:57:15
Rank: #15803 (+18)
20M → 21M
9:28 | 9:28/mi
35K· 21.75 mi
3:03:54
Rank: #15832 (-29)
21M → 35K
6:39 | 8:53/mi
23M
3:15:23
Rank: #15926 (-94)
35K → 23M
11:29 | 9:10/mi
24M
3:24:15
Rank: #15951 (-25)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:31:56
Rank: #15937 (+14)
24M → 40K
7:41 | 8:59/mi
25.2M
3:35:14
Rank: #15926 (+11)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:43:58
Rank: #15925 (+1)
25.2M → Finish
8:44 | 8:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:52
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:58:06
Pace9:01 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4523:297:3423:29
7:34
-
10K
6.21 mi11:15:1648:007:4324:31
7:53
+0:19
15K
9.32 mi11:40:451:13:297:5325:29
8:12
+0:19
20K
12.43 mi12:07:211:40:058:0326:36
8:34
+0:22
Half
13.11 mi12:13:081:45:528:055:47
8:29
-0:05
25K
15.53 mi12:34:332:07:178:1221:25
8:50
+0:21
30K
18.64 mi13:02:442:35:288:2028:11
9:04
+0:14
20M
20.00 mi13:15:032:47:478:2312:19
9:04
0:00
21M
21.00 mi13:24:312:57:158:269:28
9:28
+0:24
35K
21.75 mi13:31:103:03:548:276:39
8:53
-0:35
23M
23.00 mi13:42:393:15:238:3011:29
9:10
+0:17
24M
24.00 mi13:51:313:24:158:318:52
8:52
-0:18
40K
24.85 mi13:59:123:31:568:327:41
8:59
+0:07
25.2M
25.20 mi14:02:303:35:148:323:18
9:34
+0:35
Finish
26.22 mi14:11:143:43:588:338:44
8:34
-1:00

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

7:34 /mi

Average Pace

8:33 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:36

51% of race

Time at Steady Pace

1:25:07

38% of race

Time at Slower Pace

24:15

11% of race

Average Pace: 8:33 /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 mi10:50:4523:297:3423:29
7:34
#10166
10K
6.21 mi11:15:1648:007:4324:31
7:53
#12064
15K
9.32 mi11:40:451:13:297:5325:29
8:12
#13450
20K
12.43 mi12:07:211:40:058:0326:36
8:34
#14519
Half
13.11 mi12:13:081:45:528:055:47
8:29
#14698
25K
15.53 mi12:34:332:07:178:1221:25
8:50
#15315
30K
18.64 mi13:02:442:35:288:2028:11
9:04
#15753
20M
20.00 mi13:15:032:47:478:2312:19
9:04
#15821
21M
21.00 mi13:24:312:57:158:269:28
9:28
#15803
35K
21.75 mi13:31:103:03:548:276:39
8:53
#15832
23M
23.00 mi13:42:393:15:238:3011:29
9:10
#15926
24M
24.00 mi13:51:313:24:158:318:52
8:52
#15951
40K
24.85 mi13:59:123:31:568:327:41
8:59
#15937
25.2M
25.20 mi14:02:303:35:148:323:18
9:34
#15926
Finish
26.22 mi14:11:143:43:588:338:44
8:34
#15925
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi101661947194715891(Top 60%)5225(Top 46%)5225(Top 433%)
10K6.21 mi3.10 mi12064-18982897-9502897-95013931(Top 52%)4007(Top 35%)4007(Top 332%)
15K9.32 mi3.11 mi13450-13863720-8233720-82315891(Top 60%)5225(Top 46%)5225(Top 433%)
20K12.43 mi3.11 mi14519-10694379-6594379-65917244(Top 65%)6067(Top 53%)6067(Top 503%)
Half13.11 mi0.68 mi14698-1794496-1174496-11717593(Top 66%)6230(Top 55%)6230(Top 516%)
25K15.53 mi2.42 mi15315-6174908-4124908-41218135(Top 68%)6620(Top 58%)6620(Top 548%)
30K18.64 mi3.11 mi15753-4385228-3205228-32017544(Top 66%)6378(Top 56%)6378(Top 528%)
20M20.00 mi1.36 mi15821-685290-625290-6216870(Top 63%)6074(Top 53%)6074(Top 503%)
21M21.00 mi1.00 mi15803+185302-125302-1215823(Top 59%)5526(Top 48%)5526(Top 458%)
35K21.75 mi0.75 mi15832-295330-285330-2817398(Top 65%)6491(Top 57%)6491(Top 538%)
23M23.00 mi1.25 mi15926-945419-895419-8916918(Top 64%)6244(Top 55%)6244(Top 517%)
24M24.00 mi1.00 mi15951-255444-255444-2516604(Top 62%)6134(Top 54%)6134(Top 508%)
40K24.85 mi0.85 mi15937+145444544416084(Top 60%)5904(Top 52%)5904(Top 489%)
25.2M25.20 mi0.35 mi15926+115443+15443+115560(Top 58%)5621(Top 49%)5621(Top 466%)
Finish26.22 mi1.02 mi15925+15444-15444-115844(Top 60%)5723(Top 50%)5723(Top 474%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

15891

Females

5225

F50-54

5225

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13931

Females

4007

F50-54

4007

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

15891

Females

5225

F50-54

5225

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17244

Females

6067

F50-54

6067

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17593

Females

6230

F50-54

6230

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18135

Females

6620

F50-54

6620

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17544

Females

6378

F50-54

6378

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16870

Females

6074

F50-54

6074

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15823

Females

5526

F50-54

5526

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17398

Females

6491

F50-54

6491

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

16918

Females

6244

F50-54

6244

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16604

Females

6134

F50-54

6134

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16084

Females

5904

F50-54

5904

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15560

Females

5621

F50-54

5621

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

15844

Females

5723

F50-54

5723

Passing Analysis

Category:
Athletes Passed
650
Passed By
6409
Net Change
-5759
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10166
5K → 10K191917-1898#10166#12064
10K → 15K141400-1386#12064#13450
15K → 20K291098-1069#13450#14519
20K → Half1180-179#14519#14698
Half → 25K30647-617#14698#15315
25K → 30K71509-438#15315#15753
30K → 20M64132-68#15753#15821
20M → 21M10082+18#15821#15803
21M → 35K4170-29#15803#15832
35K → 23M55149-94#15832#15926
23M → 24M6994-25#15926#15951
24M → 40K6248+14#15951#15937
40K → 25.2M3625+11#15937#15926
25.2M → Finish5958+1#15926#15925
TOTALS6506409-5759
📊

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