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BOSTON MARATHON 2023

Xandra Valderrama

Bib: 23947•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F65-69)
#0 / 221
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
27:11
Rank: #19186
Start → 5K
27:11 | 8:45/mi
10K· 6.21 mi
54:06
Rank: #19140 (+46)
5K → 10K
26:55 | 8:40/mi
15K· 9.32 mi
1:20:48
Rank: #18867 (+273)
10K → 15K
26:42 | 8:36/mi
20K· 12.43 mi
1:48:20
Rank: #18889 (-22)
15K → 20K
27:32 | 8:52/mi
Half· 13.11 mi
1:54:14
Rank: #18874 (+15)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:15:57
Rank: #18858 (+16)
Half → 25K
21:43 | 8:57/mi
30K· 18.64 mi
2:45:23
Rank: #18963 (-105)
25K → 30K
29:26 | 9:28/mi
20M
2:58:18
Rank: #18951 (+12)
30K → 20M
12:55 | 9:30/mi
21M
3:08:48
Rank: #19010 (-59)
20M → 21M
10:30 | 10:30/mi
35K· 21.75 mi
3:16:19
Rank: #19139 (-129)
21M → 35K
7:31 | 10:03/mi
23M
3:28:13
Rank: #19095 (+44)
35K → 23M
11:54 | 9:30/mi
24M
3:37:29
Rank: #19059 (+36)
23M → 24M
9:16 | 9:16/mi
40K· 24.85 mi
3:45:09
Rank: #18953 (+106)
24M → 40K
7:40 | 8:58/mi
25.2M
3:48:56
Rank: #18983 (-30)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:58:12
Rank: #18988 (-5)
25.2M → Finish
9:16 | 9:06/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:14
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:03:58
Pace9:27 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5927:118:4527:11
8:45
-
10K
6.21 mi11:47:5454:068:4226:55
8:40
-0:05
15K
9.32 mi12:14:361:20:488:4026:42
8:36
-0:04
20K
12.43 mi12:42:081:48:208:4327:32
8:52
+0:16
Half
13.11 mi12:48:021:54:148:435:54
8:39
-0:13
25K
15.53 mi13:09:452:15:578:4521:43
8:57
+0:18
30K
18.64 mi13:39:112:45:238:5229:26
9:28
+0:31
20M
20.00 mi13:52:062:58:188:5512:55
9:30
+0:02
21M
21.00 mi14:02:363:08:488:5910:30
10:30
+1:00
35K
21.75 mi14:10:073:16:199:027:31
10:03
-0:27
23M
23.00 mi14:22:013:28:139:0311:54
9:30
-0:33
24M
24.00 mi14:31:173:37:299:049:16
9:16
-0:14
40K
24.85 mi14:38:573:45:099:047:40
8:58
-0:18
25.2M
25.20 mi14:42:443:48:569:053:47
10:58
+2:00
Finish
26.22 mi14:52:003:58:129:059:16
9:06
-1:52

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

8:36 /mi

Average Pace

9:05 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:26:42

36% of race

Time at Steady Pace

1:15:27

32% of race

Time at Slower Pace

1:16:03

32% of race

Average Pace: 9:05 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:20:5927:118:4527:11
8:45
#19186
10K
6.21 mi11:47:5454:068:4226:55
8:40
#19140
15K
9.32 mi12:14:361:20:488:4026:42
8:36
#18867
20K
12.43 mi12:42:081:48:208:4327:32
8:52
#18889
Half
13.11 mi12:48:021:54:148:435:54
8:39
#18874
25K
15.53 mi13:09:452:15:578:4521:43
8:57
#18858
30K
18.64 mi13:39:112:45:238:5229:26
9:28
#18963
20M
20.00 mi13:52:062:58:188:5512:55
9:30
#18951
21M
21.00 mi14:02:363:08:488:5910:30
10:30
#19010
35K
21.75 mi14:10:073:16:199:027:31
10:03
#19139
23M
23.00 mi14:22:013:28:139:0311:54
9:30
#19095
24M
24.00 mi14:31:173:37:299:049:16
9:16
#19059
40K
24.85 mi14:38:573:45:099:047:40
8:58
#18953
25.2M
25.20 mi14:42:443:48:569:053:47
10:58
#18983
Finish
26.22 mi14:52:003:58:129:059:16
9:06
#18988
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi191867320732018417(Top 69%)6749(Top 59%)6749(Top 3054%)
10K6.21 mi3.10 mi19140+467241+797241+7919223(Top 72%)7214(Top 63%)7214(Top 3264%)
15K9.32 mi3.11 mi18867+2737047+1947047+19418417(Top 69%)6749(Top 59%)6749(Top 3054%)
20K12.43 mi3.11 mi18889-227055-87055-819023(Top 71%)7101(Top 62%)7101(Top 3213%)
Half13.11 mi0.68 mi18874+157047+87047+818676(Top 70%)6890(Top 60%)6890(Top 3118%)
25K15.53 mi2.42 mi18858+167042+57042+518761(Top 70%)6998(Top 61%)6998(Top 3167%)
30K18.64 mi3.11 mi18963-1057118-767118-7619340(Top 73%)7386(Top 65%)7386(Top 3342%)
20M20.00 mi1.36 mi18951+127132-147132-1418887(Top 71%)7235(Top 63%)7235(Top 3274%)
21M21.00 mi1.00 mi19010-597174-427174-4219609(Top 74%)7707(Top 67%)7707(Top 3487%)
35K21.75 mi0.75 mi19139-1297254-807254-8021409(Top 80%)8713(Top 76%)8713(Top 3943%)
23M23.00 mi1.25 mi19095+447237+177237+1718365(Top 69%)7057(Top 62%)7057(Top 3193%)
24M24.00 mi1.00 mi19059+367232+57232+518352(Top 69%)7085(Top 62%)7085(Top 3206%)
40K24.85 mi0.85 mi18953+1067171+617171+6116016(Top 60%)5874(Top 51%)5874(Top 2658%)
25.2M25.20 mi0.35 mi18983-307192-217192-2120406(Top 77%)8263(Top 72%)8263(Top 3739%)
Finish26.22 mi1.02 mi18988-57204-127204-1218456(Top 69%)7152(Top 63%)7152(Top 3236%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18417

Females

6749

F65-69

6749

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

19223

Females

7214

F65-69

7214

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18417

Females

6749

F65-69

6749

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

19023

Females

7101

F65-69

7101

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18676

Females

6890

F65-69

6890

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18761

Females

6998

F65-69

6998

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19340

Females

7386

F65-69

7386

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18887

Females

7235

F65-69

7235

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19609

Females

7707

F65-69

7707

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21409

Females

8713

F65-69

8713

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

18365

Females

7057

F65-69

7057

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

18352

Females

7085

F65-69

7085

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16016

Females

5874

F65-69

5874

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20406

Females

8263

F65-69

8263

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

18456

Females

7152

F65-69

7152

Passing Analysis

Category:
Athletes Passed
1679
Passed By
1481
Net Change
+198
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19186
5K → 10K371325+46#19186#19140
10K → 15K34673+273#19140#18867
15K → 20K156178-22#18867#18889
20K → Half3318+15#18889#18874
Half → 25K128112+16#18874#18858
25K → 30K136241-105#18858#18963
30K → 20M8472+12#18963#18951
20M → 21M61120-59#18951#19010
21M → 35K14143-129#19010#19139
35K → 23M9955+44#19139#19095
23M → 24M7842+36#19095#19059
24M → 40K1148+106#19059#18953
40K → 25.2M1646-30#18953#18983
25.2M → Finish4348-5#18983#18988
TOTALS16791481+198
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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