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BOSTON MARATHON 2023

Sofia Lopez Romero

Bib: 14675•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 24%
Division (F18-39)
#0 / 4884
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:47
Rank: #11075
Start → 5K
23:47 | 7:39/mi
10K· 6.21 mi
47:18
Rank: #11027 (+48)
5K → 10K
23:31 | 7:34/mi
15K· 9.32 mi
1:11:04
Rank: #11151 (-124)
10K → 15K
23:46 | 7:39/mi
20K· 12.43 mi
1:35:12
Rank: #11193 (-42)
15K → 20K
24:08 | 7:46/mi
Half· 13.11 mi
1:40:29
Rank: #11233 (-40)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
1:59:28
Rank: #11223 (+10)
Half → 25K
18:59 | 7:50/mi
30K· 18.64 mi
2:24:34
Rank: #11212 (+11)
25K → 30K
25:06 | 8:05/mi
20M
2:35:30
Rank: #11148 (+64)
30K → 20M
10:56 | 8:03/mi
21M
2:44:22
Rank: #11230 (-82)
20M → 21M
8:52 | 8:52/mi
35K· 21.75 mi
2:50:12
Rank: #11197 (+33)
21M → 35K
5:50 | 7:48/mi
23M
3:00:23
Rank: #11149 (+48)
35K → 23M
10:11 | 8:08/mi
24M
3:08:28
Rank: #11177 (-28)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:15:34
Rank: #11204 (-27)
24M → 40K
7:06 | 8:18/mi
25.2M
3:18:45
Rank: #11239 (-35)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:27:16
Rank: #11389 (-150)
25.2M → Finish
8:31 | 8:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:29
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:46:47
Pace8:09 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0423:477:3923:47
7:39
-
10K
6.21 mi11:16:3547:187:3723:31
7:34
-0:05
15K
9.32 mi11:40:211:11:047:3723:46
7:39
+0:05
20K
12.43 mi12:04:291:35:127:4024:08
7:46
+0:07
Half
13.11 mi12:09:461:40:297:405:17
7:45
-0:01
25K
15.53 mi12:28:451:59:287:4118:59
7:50
+0:05
30K
18.64 mi12:53:512:24:347:4525:06
8:05
+0:15
20M
20.00 mi13:04:472:35:307:4610:56
8:03
-0:02
21M
21.00 mi13:13:392:44:227:508:52
8:52
+0:49
35K
21.75 mi13:19:292:50:127:505:50
7:48
-1:04
23M
23.00 mi13:29:403:00:237:5110:11
8:08
+0:20
24M
24.00 mi13:37:453:08:287:518:05
8:05
-0:03
40K
24.85 mi13:44:513:15:347:527:06
8:18
+0:13
25.2M
25.20 mi13:48:023:18:457:533:11
9:14
+0:56
Finish
26.22 mi13:56:333:27:167:558:31
8:21
-0:53

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

7:34 /mi

Average Pace

7:55 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:19

51% of race

Time at Steady Pace

1:13:17

35% of race

Time at Slower Pace

27:40

13% of race

Average Pace: 7:54 /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 mi10:53:0423:477:3923:47
7:39
#11075
10K
6.21 mi11:16:3547:187:3723:31
7:34
#11027
15K
9.32 mi11:40:211:11:047:3723:46
7:39
#11151
20K
12.43 mi12:04:291:35:127:4024:08
7:46
#11193
Half
13.11 mi12:09:461:40:297:405:17
7:45
#11233
25K
15.53 mi12:28:451:59:287:4118:59
7:50
#11223
30K
18.64 mi12:53:512:24:347:4525:06
8:05
#11212
20M
20.00 mi13:04:472:35:307:4610:56
8:03
#11148
21M
21.00 mi13:13:392:44:227:508:52
8:52
#11230
35K
21.75 mi13:19:292:50:127:505:50
7:48
#11197
23M
23.00 mi13:29:403:00:237:5110:11
8:08
#11149
24M
24.00 mi13:37:453:08:287:518:05
8:05
#11177
40K
24.85 mi13:44:513:15:347:527:06
8:18
#11204
25.2M
25.20 mi13:48:023:18:457:533:11
9:14
#11239
Finish
26.22 mi13:56:333:27:167:558:31
8:21
#11389
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi110752371237111429(Top 43%)2586(Top 23%)2586(Top 53%)
10K6.21 mi3.10 mi11027+482344+272344+2711062(Top 42%)2349(Top 21%)2349(Top 48%)
15K9.32 mi3.11 mi11151-1242417-732417-7311429(Top 43%)2586(Top 23%)2586(Top 53%)
20K12.43 mi3.11 mi11193-422428-112428-1111475(Top 43%)2673(Top 23%)2673(Top 55%)
Half13.11 mi0.68 mi11233-402460-322460-3212270(Top 46%)3062(Top 27%)3062(Top 63%)
25K15.53 mi2.42 mi11223+102486-262486-2611361(Top 43%)2692(Top 24%)2692(Top 55%)
30K18.64 mi3.11 mi11212+112539-532539-5311518(Top 43%)2907(Top 25%)2907(Top 60%)
20M20.00 mi1.36 mi11148+642516+232516+2310620(Top 40%)2546(Top 22%)2546(Top 52%)
21M21.00 mi1.00 mi11230-822584-682584-6812657(Top 48%)3753(Top 33%)3753(Top 77%)
35K21.75 mi0.75 mi11197+332571+132571+1310679(Top 40%)2713(Top 24%)2713(Top 56%)
23M23.00 mi1.25 mi11149+482576-52576-510738(Top 40%)2893(Top 25%)2893(Top 59%)
24M24.00 mi1.00 mi11177-282615-392615-3911838(Top 44%)3500(Top 31%)3500(Top 72%)
40K24.85 mi0.85 mi11204-272657-422657-4212084(Top 45%)3709(Top 32%)3709(Top 76%)
25.2M25.20 mi0.35 mi11239-352691-342691-3413814(Top 52%)4625(Top 40%)4625(Top 95%)
Finish26.22 mi1.02 mi11389-1502788-972788-9714462(Top 54%)4970(Top 44%)4970(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11429

Females

2586

F18-39

2586

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11062

Females

2349

F18-39

2349

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11429

Females

2586

F18-39

2586

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11475

Females

2673

F18-39

2673

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

12270

Females

3062

F18-39

3062

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11361

Females

2692

F18-39

2692

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11518

Females

2907

F18-39

2907

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10620

Females

2546

F18-39

2546

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12657

Females

3753

F18-39

3753

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10679

Females

2713

F18-39

2713

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10738

Females

2893

F18-39

2893

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11838

Females

3500

F18-39

3500

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12084

Females

3709

F18-39

3709

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13814

Females

4625

F18-39

4625

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14462

Females

4970

F18-39

4970

Passing Analysis

Category:
Athletes Passed
1455
Passed By
1769
Net Change
-314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11075
5K → 10K324276+48#11075#11027
10K → 15K139263-124#11027#11151
15K → 20K142184-42#11151#11193
20K → Half1555-40#11193#11233
Half → 25K132122+10#11233#11223
25K → 30K183172+11#11223#11212
30K → 20M11652+64#11212#11148
20M → 21M66148-82#11148#11230
21M → 35K6027+33#11230#11197
35K → 23M10557+48#11197#11149
23M → 24M6189-28#11149#11177
24M → 40K5481-27#11177#11204
40K → 25.2M2358-35#11204#11239
25.2M → Finish35185-150#11239#11389
TOTALS14551769-314
📊

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