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BOSTON MARATHON 2023

Christiane Buxton

Bib: 20968•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Top 39%
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
8:26/mi
26:13
↑ 97↓ 3451.5%
10K· 6.21 mi
8:51/mi
53:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:28/mi
1:20:01
↑ 67↓ 78
20K· 12.43 mi
9:26/mi
1:49:21
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:55:27
↑ 19↓ 370.5%
25K· 15.53 mi
8:55/mi
2:17:04
↑ 66↓ 880.2%
30K· 18.64 mi
9:21/mi
2:46:07
↑ 181↓ 1480.2%
20M
9:30/mi
2:59:01
↑ 64↓ 500.2%
21M
10:26/mi
3:09:27
↑ 106↓ 241.6%
35K· 21.75 mi
8:52/mi
3:16:05
↑ 17↓ 861.7%
23M
9:21/mi
3:27:48
↑ 23↓ 630.6%
24M
9:02/mi
3:36:50
↓ 821.3%
40K· 24.85 mi
9:21/mi
3:44:50
↓ 200.3%
25.2M
10:06/mi
3:48:19
↑ 13↓ 160.2%
Finish· 26.22 mi
9:21/mi
3:57:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:27
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:02:24
Pace9:20 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3126:138:2626:13
8:26
-
10K
6.21 mi11:47:0253:448:3927:31
8:51
+0:25
15K
9.32 mi12:13:191:20:018:3526:17
8:28
-0:23
20K
12.43 mi12:42:391:49:218:4829:20
9:26
+0:58
Half
13.11 mi12:48:451:55:278:486:06
8:56
-0:30
25K
15.53 mi13:10:222:17:048:4921:37
8:55
-0:01
30K
18.64 mi13:39:252:46:078:5529:03
9:21
+0:26
20M
20.00 mi13:52:192:59:018:5712:54
9:30
+0:09
21M
21.00 mi14:02:453:09:279:0110:26
10:26
+0:56
35K
21.75 mi14:09:233:16:059:016:38
8:52
-1:34
23M
23.00 mi14:21:063:27:489:0211:43
9:21
+0:29
24M
24.00 mi14:30:083:36:509:029:02
9:02
-0:19
40K
24.85 mi14:38:083:44:509:038:00
9:21
+0:19
25.2M
25.20 mi14:41:373:48:199:043:29
10:06
+0:45
Finish
26.22 mi14:51:093:57:519:059:32
9:21
-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

8:26 /mi

Average Pace

9:05 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:24

52% of race

Time at Steady Pace

1:40:32

42% of race

Time at Slower Pace

13:55

6% of race

Average Pace: 9:04 /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 mi11:19:3126:138:2626:13
8:26
#17152
10K
6.21 mi11:47:0253:448:3927:31
8:51
#18790
15K
9.32 mi12:13:191:20:018:3526:17
8:28
#18398
20K
12.43 mi12:42:391:49:218:4829:20
9:26
#19317
Half
13.11 mi12:48:451:55:278:486:06
8:56
#19356
25K
15.53 mi13:10:222:17:048:4921:37
8:55
#19222
30K
18.64 mi13:39:252:46:078:5529:03
9:21
#19169
20M
20.00 mi13:52:192:59:018:5712:54
9:30
#19124
21M
21.00 mi14:02:453:09:279:0110:26
10:26
#19147
35K
21.75 mi14:09:233:16:059:016:38
8:52
#19093
23M
23.00 mi14:21:063:27:489:0211:43
9:21
#19003
24M
24.00 mi14:30:083:36:509:029:02
9:02
#18932
40K
24.85 mi14:38:083:44:509:038:00
9:21
#18885
25.2M
25.20 mi14:41:373:48:199:043:29
10:06
#18864
Finish
26.22 mi14:51:093:57:519:059:32
9:21
#18922
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi171526034603417556(Top 66%)6248(Top 55%)6248(Top 767%)
10K6.21 mi3.10 mi18790-16387006-9727006-97220205(Top 76%)7822(Top 68%)7822(Top 960%)
15K9.32 mi3.11 mi18398+3926746+2606746+26017556(Top 66%)6248(Top 55%)6248(Top 767%)
20K12.43 mi3.11 mi19317-9197317-5717317-57121359(Top 80%)8439(Top 74%)8439(Top 1035%)
Half13.11 mi0.68 mi19356-397339-227339-2220197(Top 76%)7768(Top 68%)7768(Top 953%)
25K15.53 mi2.42 mi19222+1347251+887251+8818553(Top 70%)6885(Top 60%)6885(Top 845%)
30K18.64 mi3.11 mi19169+537241+107241+1018839(Top 71%)7104(Top 62%)7104(Top 872%)
20M20.00 mi1.36 mi19124+457225+167225+1618842(Top 71%)7213(Top 63%)7213(Top 885%)
21M21.00 mi1.00 mi19147-237249-247249-2419383(Top 73%)7567(Top 66%)7567(Top 928%)
35K21.75 mi0.75 mi19093+547226+237226+2317327(Top 65%)6467(Top 57%)6467(Top 793%)
23M23.00 mi1.25 mi19003+907186+407186+4017777(Top 67%)6738(Top 59%)6738(Top 827%)
24M24.00 mi1.00 mi18932+717160+267160+2617408(Top 65%)6587(Top 58%)6587(Top 808%)
40K24.85 mi0.85 mi18885+477136+247136+2417803(Top 67%)6844(Top 60%)6844(Top 840%)
25.2M25.20 mi0.35 mi18864+217132+47132+417829(Top 67%)6879(Top 60%)6879(Top 844%)
Finish26.22 mi1.02 mi18922-587167-357167-3519610(Top 74%)7782(Top 68%)7782(Top 955%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17556

Females

6248

F55-59

6248

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20205

Females

7822

F55-59

7822

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17556

Females

6248

F55-59

6248

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21359

Females

8439

F55-59

8439

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20197

Females

7768

F55-59

7768

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18553

Females

6885

F55-59

6885

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18839

Females

7104

F55-59

7104

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18842

Females

7213

F55-59

7213

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19383

Females

7567

F55-59

7567

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17327

Females

6467

F55-59

6467

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17777

Females

6738

F55-59

6738

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17408

Females

6587

F55-59

6587

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17803

Females

6844

F55-59

6844

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17829

Females

6879

F55-59

6879

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

19610

Females

7782

F55-59

7782

Passing Analysis

Category:
Athletes Passed
1483
Passed By
3253
Net Change
-1770
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17152
5K → 10K261664-1638#17152#18790
10K → 15K44452+392#18790#18398
15K → 20K19938-919#18398#19317
20K → Half1756-39#19317#19356
Half → 25K19056+134#19356#19222
25K → 30K190137+53#19222#19169
30K → 20M10661+45#19169#19124
20M → 21M7194-23#19124#19147
21M → 35K6915+54#19147#19093
35K → 23M12333+90#19093#19003
23M → 24M9322+71#19003#18932
24M → 40K7427+47#18932#18885
40K → 25.2M3514+21#18885#18864
25.2M → Finish2684-58#18864#18922
TOTALS14833253-1770
📊

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