Boston Marathon logo
BOSTON MARATHON 2023

Ana Lucero

Bib: 23934•F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:19
Rank: #22812
Start → 5K
30:19 | 9:45/mi
10K· 6.21 mi
1:02:30
Rank: #23754 (-942)
5K → 10K
32:11 | 10:22/mi
15K· 9.32 mi
1:35:18
Rank: #24069 (-315)
10K → 15K
32:48 | 10:33/mi
20K· 12.43 mi
2:07:53
Rank: #24000 (+69)
15K → 20K
32:35 | 10:29/mi
Half· 13.11 mi
2:15:06
Rank: #24011 (-11)
20K → Half
7:13 | 10:35/mi
25K· 15.53 mi
2:47:03
Rank: #24638 (-627)
Half → 25K
31:57 | 13:11/mi
30K· 18.64 mi
3:22:21
Rank: #24455 (+183)
25K → 30K
35:18 | 11:22/mi
20M
3:37:43
Rank: #24353 (+102)
30K → 20M
15:22 | 11:18/mi
21M
3:50:29
Rank: #24311 (+42)
20M → 21M
12:46 | 12:46/mi
35K· 21.75 mi
3:58:33
Rank: #24261 (+50)
21M → 35K
8:04 | 10:47/mi
23M
4:12:28
Rank: #24195 (+66)
35K → 23M
13:55 | 11:07/mi
24M
4:23:30
Rank: #24146 (+49)
23M → 24M
11:02 | 11:02/mi
40K· 24.85 mi
4:33:03
Rank: #24081 (+65)
24M → 40K
9:33 | 11:10/mi
25.2M
4:37:15
Rank: #24072 (+9)
40K → 25.2M
4:12 | 12:11/mi
Finish· 26.22 mi
4:48:17
Rank: #24061 (+11)
25.2M → Finish
11:02 | 10:50/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:06
Pace10:18 /mi
2nd Half
Distance13.11 mi
Time2:33:11
Pace11:41 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0530:199:4530:19
9:45
-
10K
6.21 mi11:58:161:02:3010:0432:11
10:22
+0:37
15K
9.32 mi12:31:041:35:1810:1332:48
10:33
+0:11
20K
12.43 mi13:03:392:07:5310:1732:35
10:29
-0:04
Half
13.11 mi13:10:522:15:0610:187:13
10:35
+0:06
25K
15.53 mi13:42:492:47:0310:4531:57
13:11
+2:36
30K
18.64 mi14:18:073:22:2110:5135:18
11:22
-1:49
20M
20.00 mi14:33:293:37:4310:5315:22
11:18
-0:04
21M
21.00 mi14:46:153:50:2910:5912:46
12:46
+1:28
35K
21.75 mi14:54:193:58:3310:588:04
10:47
-1:59
23M
23.00 mi15:08:144:12:2810:5913:55
11:07
+0:20
24M
24.00 mi15:19:164:23:3010:5911:02
11:02
-0:05
40K
24.85 mi15:28:494:33:0310:599:33
11:10
+0:08
25.2M
25.20 mi15:33:014:37:1511:004:12
12:11
+1:01
Finish
26.22 mi15:44:034:48:1711:0011:02
10:50
-1:21

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

9:45 /mi

Average Pace

11:00 /mi

Slowest Pace

13:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:06

47% of race

Time at Steady Pace

1:44:16

36% of race

Time at Slower Pace

48:55

17% of race

Average Pace: 11:00 /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 mi11:26:0530:199:4530:19
9:45
#22812
10K
6.21 mi11:58:161:02:3010:0432:11
10:22
#23754
15K
9.32 mi12:31:041:35:1810:1332:48
10:33
#24069
20K
12.43 mi13:03:392:07:5310:1732:35
10:29
#24000
Half
13.11 mi13:10:522:15:0610:187:13
10:35
#24011
25K
15.53 mi13:42:492:47:0310:4531:57
13:11
#24638
30K
18.64 mi14:18:073:22:2110:5135:18
11:22
#24455
20M
20.00 mi14:33:293:37:4310:5315:22
11:18
#24353
21M
21.00 mi14:46:153:50:2910:5912:46
12:46
#24311
35K
21.75 mi14:54:193:58:3310:588:04
10:47
#24261
23M
23.00 mi15:08:144:12:2810:5913:55
11:07
#24195
24M
24.00 mi15:19:164:23:3010:5911:02
11:02
#24146
40K
24.85 mi15:28:494:33:0310:599:33
11:10
#24081
25.2M
25.20 mi15:33:014:37:1511:004:12
12:11
#24072
Finish
26.22 mi15:44:034:48:1711:0011:02
10:50
#24061
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi228129283928324562(Top 92%)10213(Top 89%)10213(Top 1253%)
10K6.21 mi3.10 mi23754-9429759-4769759-47624420(Top 92%)10125(Top 89%)10125(Top 1242%)
15K9.32 mi3.11 mi24069-3159930-1719930-17124562(Top 92%)10213(Top 89%)10213(Top 1253%)
20K12.43 mi3.11 mi24000+699890+409890+4023811(Top 89%)9804(Top 86%)9804(Top 1203%)
Half13.11 mi0.68 mi24011-119903-139903-1324349(Top 91%)10126(Top 89%)10126(Top 1242%)
25K15.53 mi2.42 mi24638-62710266-36310266-36325962(Top 98%)11060(Top 97%)11060(Top 1357%)
30K18.64 mi3.11 mi24455+18310179+8710179+8723668(Top 89%)9818(Top 86%)9818(Top 1205%)
20M20.00 mi1.36 mi24353+10210132+4710132+4723202(Top 87%)9629(Top 84%)9629(Top 1181%)
21M21.00 mi1.00 mi24311+4210117+1510117+1523797(Top 89%)9983(Top 87%)9983(Top 1225%)
35K21.75 mi0.75 mi24261+5010103+1410103+1422909(Top 86%)9551(Top 84%)9551(Top 1172%)
23M23.00 mi1.25 mi24195+6610071+3210071+3222579(Top 85%)9368(Top 82%)9368(Top 1149%)
24M24.00 mi1.00 mi24146+4910049+2210049+2223124(Top 87%)9699(Top 85%)9699(Top 1190%)
40K24.85 mi0.85 mi24081+6510025+2410025+2422698(Top 85%)9504(Top 83%)9504(Top 1166%)
25.2M25.20 mi0.35 mi24072+910020+510020+522834(Top 86%)9572(Top 84%)9572(Top 1174%)
Finish26.22 mi1.02 mi24061+1110014+610014+623667(Top 89%)9996(Top 88%)9996(Top 1227%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24562

Females

10213

F55-59

10213

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24420

Females

10125

F55-59

10125

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24562

Females

10213

F55-59

10213

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23811

Females

9804

F55-59

9804

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24349

Females

10126

F55-59

10126

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

25962

Females

11060

F55-59

11060

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

23668

Females

9818

F55-59

9818

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

23202

Females

9629

F55-59

9629

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23797

Females

9983

F55-59

9983

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22909

Females

9551

F55-59

9551

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22579

Females

9368

F55-59

9368

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23124

Females

9699

F55-59

9699

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22698

Females

9504

F55-59

9504

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22834

Females

9572

F55-59

9572

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23667

Females

9996

F55-59

9996

Passing Analysis

Category:
Athletes Passed
895
Passed By
2144
Net Change
-1249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22812
5K → 10K20962-942#22812#23754
10K → 15K34349-315#23754#24069
15K → 20K14273+69#24069#24000
20K → Half1829-11#24000#24011
Half → 25K8635-627#24011#24638
25K → 30K20320+183#24638#24455
30K → 20M11210+102#24455#24353
20M → 21M6422+42#24353#24311
21M → 35K533+50#24311#24261
35K → 23M737+66#24261#24195
23M → 24M556+49#24195#24146
24M → 40K694+65#24146#24081
40K → 25.2M134+9#24081#24072
25.2M → Finish3120+11#24072#24061
TOTALS8952144-1249
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing