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BOSTON MARATHON 2023

Andrea Alvarez

Bib: 15048•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:12
Rank: #9366
Start → 5K
23:12 | 7:28/mi
10K· 6.21 mi
46:23
Rank: #9711 (-345)
5K → 10K
23:11 | 7:28/mi
15K· 9.32 mi
1:09:21
Rank: #9536 (+175)
10K → 15K
22:58 | 7:24/mi
20K· 12.43 mi
1:32:31
Rank: #9370 (+166)
15K → 20K
23:10 | 7:27/mi
Half· 13.11 mi
1:37:37
Rank: #9397 (-27)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:55:55
Rank: #9327 (+70)
Half → 25K
18:18 | 7:33/mi
30K· 18.64 mi
2:20:08
Rank: #9294 (+33)
25K → 30K
24:13 | 7:48/mi
20M
2:30:44
Rank: #9253 (+41)
30K → 20M
10:36 | 7:48/mi
21M
2:39:00
Rank: #9194 (+59)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:44:37
Rank: #9155 (+39)
21M → 35K
5:37 | 7:30/mi
23M
2:54:22
Rank: #9092 (+63)
35K → 23M
9:45 | 7:47/mi
24M
3:01:54
Rank: #9019 (+73)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
3:08:30
Rank: #8955 (+64)
24M → 40K
6:36 | 7:43/mi
25.2M
3:11:22
Rank: #8932 (+23)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:18:58
Rank: #8874 (+58)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:37
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:41:21
Pace7:44 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0723:127:2823:12
7:28
-
10K
6.21 mi11:16:1846:237:2823:11
7:28
0:00
15K
9.32 mi11:39:161:09:217:2622:58
7:24
-0:04
20K
12.43 mi12:02:261:32:317:2723:10
7:27
+0:03
Half
13.11 mi12:07:321:37:377:275:06
7:29
+0:02
25K
15.53 mi12:25:501:55:557:2818:18
7:33
+0:04
30K
18.64 mi12:50:032:20:087:3124:13
7:48
+0:15
20M
20.00 mi13:00:392:30:447:3210:36
7:48
0:00
21M
21.00 mi13:08:552:39:007:348:16
8:16
+0:28
35K
21.75 mi13:14:322:44:377:345:37
7:30
-0:46
23M
23.00 mi13:24:172:54:227:359:45
7:47
+0:17
24M
24.00 mi13:31:493:01:547:357:32
7:32
-0:15
40K
24.85 mi13:38:253:08:307:356:36
7:43
+0:11
25.2M
25.20 mi13:41:173:11:227:362:52
8:19
+0:36
Finish
26.22 mi13:48:533:18:587:367:36
7:27
-0:52

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

7:24 /mi

Average Pace

7:36 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:50

94% of race

Time at Steady Pace

11:08

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi10:53:0723:127:2823:12
7:28
#9366
10K
6.21 mi11:16:1846:237:2823:11
7:28
#9711
15K
9.32 mi11:39:161:09:217:2622:58
7:24
#9536
20K
12.43 mi12:02:261:32:317:2723:10
7:27
#9370
Half
13.11 mi12:07:321:37:377:275:06
7:29
#9397
25K
15.53 mi12:25:501:55:557:2818:18
7:33
#9327
30K
18.64 mi12:50:032:20:087:3124:13
7:48
#9294
20M
20.00 mi13:00:392:30:447:3210:36
7:48
#9253
21M
21.00 mi13:08:552:39:007:348:16
8:16
#9194
35K
21.75 mi13:14:322:44:377:345:37
7:30
#9155
23M
23.00 mi13:24:172:54:227:359:45
7:47
#9092
24M
24.00 mi13:31:493:01:547:357:32
7:32
#9019
40K
24.85 mi13:38:253:08:307:356:36
7:43
#8955
25.2M
25.20 mi13:41:173:11:227:362:52
8:19
#8932
Finish
26.22 mi13:48:533:18:587:367:36
7:27
#8874
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9366156115619279(Top 35%)1543(Top 14%)1543(Top 32%)
10K6.21 mi3.10 mi9711-3451710-1491710-14910168(Top 38%)1895(Top 17%)1895(Top 39%)
15K9.32 mi3.11 mi9536+1751634+761634+769279(Top 35%)1543(Top 14%)1543(Top 32%)
20K12.43 mi3.11 mi9370+1661583+511583+518989(Top 34%)1482(Top 13%)1482(Top 30%)
Half13.11 mi0.68 mi9397-271596-131596-1310058(Top 38%)1894(Top 17%)1894(Top 39%)
25K15.53 mi2.42 mi9327+701575+211575+219147(Top 34%)1612(Top 14%)1612(Top 33%)
30K18.64 mi3.11 mi9294+331605-301605-309325(Top 35%)1845(Top 16%)1845(Top 38%)
20M20.00 mi1.36 mi9253+411615-101615-108880(Top 33%)1747(Top 15%)1747(Top 36%)
21M21.00 mi1.00 mi9194+591616-11616-19043(Top 34%)1940(Top 17%)1940(Top 40%)
35K21.75 mi0.75 mi9155+391612+41612+48611(Top 32%)1730(Top 15%)1730(Top 35%)
23M23.00 mi1.25 mi9092+631611+11611+18344(Top 31%)1727(Top 15%)1727(Top 35%)
24M24.00 mi1.00 mi9019+731602+91602+97954(Top 30%)1654(Top 14%)1654(Top 34%)
40K24.85 mi0.85 mi8955+641596+61596+68126(Top 31%)1790(Top 16%)1790(Top 37%)
25.2M25.20 mi0.35 mi8932+23159615968437(Top 32%)1988(Top 17%)1988(Top 41%)
Finish26.22 mi1.02 mi8874+581590+61590+68262(Top 31%)1937(Top 17%)1937(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9279

Females

1543

F18-39

1543

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10168

Females

1895

F18-39

1895

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9279

Females

1543

F18-39

1543

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8989

Females

1482

F18-39

1482

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10058

Females

1894

F18-39

1894

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9147

Females

1612

F18-39

1612

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9325

Females

1845

F18-39

1845

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8880

Females

1747

F18-39

1747

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9043

Females

1940

F18-39

1940

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8611

Females

1730

F18-39

1730

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8344

Females

1727

F18-39

1727

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7954

Females

1654

F18-39

1654

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8126

Females

1790

F18-39

1790

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8437

Females

1988

F18-39

1988

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8262

Females

1937

F18-39

1937

Passing Analysis

Category:
Athletes Passed
1680*
Passed By
1188
Net Change
+492
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9366
5K → 10K168513-345#9366#9711
10K → 15K25984+175#9711#9536
15K → 20K23064+166#9536#9370
20K → Half1542-27#9370#9397
Half → 25K14474+70#9397#9327
25K → 30K184*151+33#9327#9294
30K → 20M9251+41#9294#9253
20M → 21M11051+59#9253#9194
21M → 35K6021+39#9194#9155
35K → 23M11249+63#9155#9092
23M → 24M9825+73#9092#9019
24M → 40K8117+64#9019#8955
40K → 25.2M3815+23#8955#8932
25.2M → Finish8931+58#8932#8874
TOTALS1680*1188+492

* 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