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BOSTON MARATHON 2023

Bexi Anderson

Bib: 16501•F

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:03
Rank: #6882
Start → 5K
22:03 | 7:06/mi
10K· 6.21 mi
44:41
Rank: #7714 (-832)
5K → 10K
22:38 | 7:17/mi
15K· 9.32 mi
1:07:59
Rank: #8429 (-715)
10K → 15K
23:18 | 7:30/mi
20K· 12.43 mi
1:32:05
Rank: #9084 (-655)
15K → 20K
24:06 | 7:45/mi
Half· 13.11 mi
1:37:21
Rank: #9221 (-137)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
1:56:22
Rank: #9570 (-349)
Half → 25K
19:01 | 7:51/mi
30K· 18.64 mi
2:21:26
Rank: #9886 (-316)
25K → 30K
25:04 | 8:04/mi
20M
2:32:44
Rank: #10044 (-158)
30K → 20M
11:18 | 8:19/mi
21M
2:41:38
Rank: #10192 (-148)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:47:27
Rank: #10195 (-3)
21M → 35K
5:49 | 7:46/mi
23M
2:57:32
Rank: #10166 (+29)
35K → 23M
10:05 | 8:03/mi
24M
3:05:19
Rank: #10120 (+46)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
3:12:06
Rank: #10067 (+53)
24M → 40K
6:47 | 7:56/mi
25.2M
3:15:01
Rank: #10037 (+30)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:22:50
Rank: #10004 (+33)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:21
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:45:29
Pace8:03 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:1722:037:0622:03
7:06
-
10K
6.21 mi11:34:5544:417:1122:38
7:17
+0:11
15K
9.32 mi11:58:131:07:597:1823:18
7:30
+0:13
20K
12.43 mi12:22:191:32:057:2524:06
7:45
+0:15
Half
13.11 mi12:27:351:37:217:265:16
7:43
-0:02
25K
15.53 mi12:46:361:56:227:2919:01
7:51
+0:08
30K
18.64 mi13:11:402:21:267:3525:04
8:04
+0:13
20M
20.00 mi13:22:582:32:447:3811:18
8:19
+0:15
21M
21.00 mi13:31:522:41:387:428:54
8:54
+0:35
35K
21.75 mi13:37:412:47:277:425:49
7:46
-1:08
23M
23.00 mi13:47:462:57:327:4310:05
8:03
+0:17
24M
24.00 mi13:55:333:05:197:437:47
7:47
-0:16
40K
24.85 mi14:02:203:12:067:446:47
7:56
+0:09
25.2M
25.20 mi14:05:153:15:017:442:55
8:27
+0:31
Finish
26.22 mi14:13:043:22:507:457:49
7:40
-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

7:06 /mi

Average Pace

7:45 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:59

34% of race

Time at Steady Pace

1:16:35

38% of race

Time at Slower Pace

58:16

29% of race

Average Pace: 7:44 /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 mi11:12:1722:037:0622:03
7:06
#6882
10K
6.21 mi11:34:5544:417:1122:38
7:17
#7714
15K
9.32 mi11:58:131:07:597:1823:18
7:30
#8429
20K
12.43 mi12:22:191:32:057:2524:06
7:45
#9084
Half
13.11 mi12:27:351:37:217:265:16
7:43
#9221
25K
15.53 mi12:46:361:56:227:2919:01
7:51
#9570
30K
18.64 mi13:11:402:21:267:3525:04
8:04
#9886
20M
20.00 mi13:22:582:32:447:3811:18
8:19
#10044
21M
21.00 mi13:31:522:41:387:428:54
8:54
#10192
35K
21.75 mi13:37:412:47:277:425:49
7:46
#10195
23M
23.00 mi13:47:462:57:327:4310:05
8:03
#10166
24M
24.00 mi13:55:333:05:197:437:47
7:47
#10120
40K
24.85 mi14:02:203:12:067:446:47
7:56
#10067
25.2M
25.20 mi14:05:153:15:017:442:55
8:27
#10037
Finish
26.22 mi14:13:043:22:507:457:49
7:40
#10004
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi688269169110187(Top 38%)1931(Top 17%)1931(Top 40%)
10K6.21 mi3.10 mi7714-832924-233924-2338776(Top 33%)1330(Top 12%)1330(Top 27%)
15K9.32 mi3.11 mi8429-7151192-2681192-26810187(Top 38%)1931(Top 17%)1931(Top 40%)
20K12.43 mi3.11 mi9084-6551469-2771469-27711370(Top 43%)2608(Top 23%)2608(Top 53%)
Half13.11 mi0.68 mi9221-1371529-601529-6012035(Top 45%)2913(Top 26%)2913(Top 60%)
25K15.53 mi2.42 mi9570-3491677-1481677-14811456(Top 43%)2738(Top 24%)2738(Top 56%)
30K18.64 mi3.11 mi9886-3161841-1641841-16411428(Top 43%)2860(Top 25%)2860(Top 59%)
20M20.00 mi1.36 mi10044-1581943-1021943-10212453(Top 47%)3546(Top 31%)3546(Top 73%)
21M21.00 mi1.00 mi10192-1482037-942037-9412849(Top 48%)3857(Top 34%)3857(Top 79%)
35K21.75 mi0.75 mi10195-32056-192056-1910494(Top 39%)2594(Top 23%)2594(Top 53%)
23M23.00 mi1.25 mi10166+292082-262082-2610138(Top 38%)2565(Top 22%)2565(Top 53%)
24M24.00 mi1.00 mi10120+462083-12083-19678(Top 36%)2427(Top 21%)2427(Top 50%)
40K24.85 mi0.85 mi10067+532091-82091-89612(Top 36%)2457(Top 22%)2457(Top 50%)
25.2M25.20 mi0.35 mi10037+302092-12092-19304(Top 35%)2363(Top 21%)2363(Top 48%)
Finish26.22 mi1.02 mi10004+332097-52097-59804(Top 37%)2609(Top 23%)2609(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10187

Females

1931

F18-39

1931

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8776

Females

1330

F18-39

1330

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10187

Females

1931

F18-39

1931

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11370

Females

2608

F18-39

2608

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12035

Females

2913

F18-39

2913

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11456

Females

2738

F18-39

2738

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11428

Females

2860

F18-39

2860

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12453

Females

3546

F18-39

3546

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12849

Females

3857

F18-39

3857

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10494

Females

2594

F18-39

2594

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10138

Females

2565

F18-39

2565

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9678

Females

2427

F18-39

2427

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9612

Females

2457

F18-39

2457

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9304

Females

2363

F18-39

2363

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9804

Females

2609

F18-39

2609

Passing Analysis

Category:
Athletes Passed
755*
Passed By
3876
Net Change
-3122
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6882
5K → 10K24856-832#6882#7714
10K → 15K17732-715#7714#8429
15K → 20K27682-655#8429#9084
20K → Half1138-137#9084#9221
Half → 25K45394-349#9221#9570
25K → 30K81*397-316#9570#9886
30K → 20M50207-158#9886#10044
20M → 21M46194-148#10044#10192
21M → 35K4952-3#10192#10195
35K → 23M9566+29#10195#10166
23M → 24M8640+46#10166#10120
24M → 40K8936+53#10120#10067
40K → 25.2M51*21+30#10067#10037
25.2M → Finish9461+33#10037#10004
TOTALS755*3876-3122

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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