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BOSTON MARATHON 2023

Kerry Dixon

Bib: 19934•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 41%
Division (F45-49)
#0 / 1817
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:53
Rank: #16372
Start → 5K
25:53 | 8:20/mi
10K· 6.21 mi
51:42
Rank: #16659 (-287)
5K → 10K
25:49 | 8:19/mi
15K· 9.32 mi
1:17:59
Rank: #16967 (-308)
10K → 15K
26:17 | 8:28/mi
20K· 12.43 mi
1:44:22
Rank: #16930 (+37)
15K → 20K
26:23 | 8:30/mi
Half· 13.11 mi
1:50:12
Rank: #16992 (-62)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:11:27
Rank: #17100 (-108)
Half → 25K
21:15 | 8:46/mi
30K· 18.64 mi
2:39:17
Rank: #17029 (+71)
25K → 30K
27:50 | 8:58/mi
20M
2:51:19
Rank: #16927 (+102)
30K → 20M
12:02 | 8:51/mi
21M
3:00:42
Rank: #16829 (+98)
20M → 21M
9:23 | 9:23/mi
35K· 21.75 mi
3:07:17
Rank: #16829
21M → 35K
6:35 | 8:48/mi
23M
3:18:36
Rank: #16793 (+36)
35K → 23M
11:19 | 9:02/mi
24M
3:27:24
Rank: #16758 (+35)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:34:51
Rank: #16679 (+79)
24M → 40K
7:27 | 8:43/mi
25.2M
3:37:58
Rank: #16595 (+84)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:46:22
Rank: #16483 (+112)
25.2M → Finish
8:24 | 8:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:12
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:56:10
Pace8:52 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0525:538:2025:53
8:20
-
10K
6.21 mi11:45:5451:428:1925:49
8:19
-0:01
15K
9.32 mi12:12:111:17:598:2226:17
8:28
+0:09
20K
12.43 mi12:38:341:44:228:2426:23
8:30
+0:02
Half
13.11 mi12:44:241:50:128:245:50
8:33
+0:03
25K
15.53 mi13:05:392:11:278:2821:15
8:46
+0:13
30K
18.64 mi13:33:292:39:178:3327:50
8:58
+0:12
20M
20.00 mi13:45:312:51:198:3412:02
8:51
-0:07
21M
21.00 mi13:54:543:00:428:369:23
9:23
+0:32
35K
21.75 mi14:01:293:07:178:376:35
8:48
-0:35
23M
23.00 mi14:12:483:18:368:3811:19
9:02
+0:14
24M
24.00 mi14:21:363:27:248:398:48
8:48
-0:14
40K
24.85 mi14:29:033:34:518:397:27
8:43
-0:05
25.2M
25.20 mi14:32:103:37:588:393:07
9:02
+0:19
Finish
26.22 mi14:40:343:46:228:388:24
8:15
-0:47

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

8:15 /mi

Average Pace

8:38 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:59

96% of race

Time at Steady Pace

9:23

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:38 /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 mi11:20:0525:538:2025:53
8:20
#16372
10K
6.21 mi11:45:5451:428:1925:49
8:19
#16659
15K
9.32 mi12:12:111:17:598:2226:17
8:28
#16967
20K
12.43 mi12:38:341:44:228:2426:23
8:30
#16930
Half
13.11 mi12:44:241:50:128:245:50
8:33
#16992
25K
15.53 mi13:05:392:11:278:2821:15
8:46
#17100
30K
18.64 mi13:33:292:39:178:3327:50
8:58
#17029
20M
20.00 mi13:45:312:51:198:3412:02
8:51
#16927
21M
21.00 mi13:54:543:00:428:369:23
9:23
#16829
35K
21.75 mi14:01:293:07:178:376:35
8:48
#16829
23M
23.00 mi14:12:483:18:368:3811:19
9:02
#16793
24M
24.00 mi14:21:363:27:248:398:48
8:48
#16758
40K
24.85 mi14:29:033:34:518:397:27
8:43
#16679
25.2M
25.20 mi14:32:103:37:588:393:07
9:02
#16595
Finish
26.22 mi14:40:343:46:228:388:24
8:15
#16483
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi163725515551517547(Top 66%)6239(Top 55%)6239(Top 343%)
10K6.21 mi3.10 mi16659-2875679-1645679-16417007(Top 64%)5877(Top 51%)5877(Top 323%)
15K9.32 mi3.11 mi16967-3085886-2075886-20717547(Top 66%)6239(Top 55%)6239(Top 343%)
20K12.43 mi3.11 mi16930+375885+15885+116803(Top 63%)5821(Top 51%)5821(Top 320%)
Half13.11 mi0.68 mi16992-625928-435928-4318007(Top 68%)6471(Top 57%)6471(Top 356%)
25K15.53 mi2.42 mi17100-1086003-756003-7517753(Top 67%)6427(Top 56%)6427(Top 354%)
30K18.64 mi3.11 mi17029+715979+245979+2416954(Top 64%)6039(Top 53%)6039(Top 332%)
20M20.00 mi1.36 mi16927+1025926+535926+5315771(Top 59%)5435(Top 48%)5435(Top 299%)
21M21.00 mi1.00 mi16829+985880+465880+4615431(Top 58%)5308(Top 46%)5308(Top 292%)
35K21.75 mi0.75 mi168295892-125892-1216952(Top 64%)6246(Top 55%)6246(Top 344%)
23M23.00 mi1.25 mi16793+365897-55897-516260(Top 61%)5887(Top 52%)5887(Top 324%)
24M24.00 mi1.00 mi16758+355897589716214(Top 61%)5927(Top 52%)5927(Top 326%)
40K24.85 mi0.85 mi16679+795869+285869+2814638(Top 55%)5112(Top 45%)5112(Top 281%)
25.2M25.20 mi0.35 mi16595+845827+425827+4212855(Top 48%)4188(Top 37%)4188(Top 230%)
Finish26.22 mi1.02 mi16483+1125777+505777+5013764(Top 52%)4623(Top 40%)4623(Top 254%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17547

Females

6239

F45-49

6239

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17007

Females

5877

F45-49

5877

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17547

Females

6239

F45-49

6239

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16803

Females

5821

F45-49

5821

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18007

Females

6471

F45-49

6471

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

17753

Females

6427

F45-49

6427

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

16954

Females

6039

F45-49

6039

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15771

Females

5435

F45-49

5435

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15431

Females

5308

F45-49

5308

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

16952

Females

6246

F45-49

6246

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16260

Females

5887

F45-49

5887

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16214

Females

5927

F45-49

5927

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14638

Females

5112

F45-49

5112

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12855

Females

4188

F45-49

4188

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13764

Females

4623

F45-49

4623

Passing Analysis

Category:
Athletes Passed
1572
Passed By
1683
Net Change
-111
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16372
5K → 10K181468-287#16372#16659
10K → 15K94402-308#16659#16967
15K → 20K194157+37#16967#16930
20K → Half1072-62#16930#16992
Half → 25K90198-108#16992#17100
25K → 30K204133+71#17100#17029
30K → 20M12220+102#17029#16927
20M → 21M12931+98#16927#16829
21M → 35K51510#16829#16829
35K → 23M10367+36#16829#16793
23M → 24M8247+35#16793#16758
24M → 40K10122+79#16758#16679
40K → 25.2M884+84#16679#16595
25.2M → Finish12311+112#16595#16483
TOTALS15721683-111
📊

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