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BOSTON MARATHON 2023

Natalia Arce

Bib: 11244•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 29%
Gender (Female)
#0 / 11423
Top 10%
Division (F18-39)
#0 / 4884
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:26
Rank: #7636
Start → 5K
22:26 | 7:13/mi
10K· 6.21 mi
45:09
Rank: #8223 (-587)
5K → 10K
22:43 | 7:19/mi
15K· 9.32 mi
1:07:59
Rank: #8424 (-201)
10K → 15K
22:50 | 7:21/mi
20K· 12.43 mi
1:31:00
Rank: #8412 (+12)
15K → 20K
23:01 | 7:25/mi
Half· 13.11 mi
1:36:05
Rank: #8485 (-73)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:54:16
Rank: #8488 (-3)
Half → 25K
18:11 | 7:30/mi
30K· 18.64 mi
2:18:09
Rank: #8443 (+45)
25K → 30K
23:53 | 7:41/mi
20M
2:28:31
Rank: #8364 (+79)
30K → 20M
10:22 | 7:38/mi
21M
2:36:24
Rank: #8256 (+108)
20M → 21M
7:53 | 7:53/mi
35K· 21.75 mi
2:41:47
Rank: #8162 (+94)
21M → 35K
5:23 | 7:12/mi
23M
2:51:15
Rank: #8054 (+108)
35K → 23M
9:28 | 7:34/mi
24M
2:58:30
Rank: #7930 (+124)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
3:04:44
Rank: #7804 (+126)
24M → 40K
6:14 | 7:17/mi
25.2M
3:07:30
Rank: #7766 (+38)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:14:43
Rank: #7655 (+111)
25.2M → Finish
7:13 | 7:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:05
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:38:38
Pace7:31 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3022:267:1322:26
7:13
-
10K
6.21 mi11:12:1345:097:1622:43
7:19
+0:06
15K
9.32 mi11:35:031:07:597:1822:50
7:21
+0:02
20K
12.43 mi11:58:041:31:007:1923:01
7:25
+0:04
Half
13.11 mi12:03:091:36:057:205:05
7:27
+0:02
25K
15.53 mi12:21:201:54:167:2118:11
7:30
+0:03
30K
18.64 mi12:45:132:18:097:2523:53
7:41
+0:11
20M
20.00 mi12:55:352:28:317:2610:22
7:38
-0:03
21M
21.00 mi13:03:282:36:247:277:53
7:53
+0:15
35K
21.75 mi13:08:512:41:477:265:23
7:12
-0:41
23M
23.00 mi13:18:192:51:157:279:28
7:34
+0:22
24M
24.00 mi13:25:342:58:307:267:15
7:15
-0:19
40K
24.85 mi13:31:483:04:447:266:14
7:17
+0:02
25.2M
25.20 mi13:34:343:07:307:262:46
8:01
+0:44
Finish
26.22 mi13:41:473:14:437:267:13
7:05
-0:56

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

7:05 /mi

Average Pace

7:26 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:04

95% of race

Time at Steady Pace

10:39

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:49:3022:267:1322:26
7:13
#7636
10K
6.21 mi11:12:1345:097:1622:43
7:19
#8223
15K
9.32 mi11:35:031:07:597:1822:50
7:21
#8424
20K
12.43 mi11:58:041:31:007:1923:01
7:25
#8412
Half
13.11 mi12:03:091:36:057:205:05
7:27
#8485
25K
15.53 mi12:21:201:54:167:2118:11
7:30
#8488
30K
18.64 mi12:45:132:18:097:2523:53
7:41
#8443
20M
20.00 mi12:55:352:28:317:2610:22
7:38
#8364
21M
21.00 mi13:03:282:36:247:277:53
7:53
#8256
35K
21.75 mi13:08:512:41:477:265:23
7:12
#8162
23M
23.00 mi13:18:192:51:157:279:28
7:34
#8054
24M
24.00 mi13:25:342:58:307:267:15
7:15
#7930
40K
24.85 mi13:31:483:04:447:266:14
7:17
#7804
25.2M
25.20 mi13:34:343:07:307:262:46
8:01
#7766
Finish
26.22 mi13:41:473:14:437:267:13
7:05
#7655
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76368878878939(Top 34%)1420(Top 12%)1420(Top 29%)
10K6.21 mi3.10 mi8223-5871114-2271114-2278935(Top 34%)1382(Top 12%)1382(Top 28%)
15K9.32 mi3.11 mi8424-2011187-731187-738939(Top 34%)1420(Top 12%)1420(Top 29%)
20K12.43 mi3.11 mi8412+121203-161203-168583(Top 32%)1326(Top 12%)1326(Top 27%)
Half13.11 mi0.68 mi8485-731230-271230-279842(Top 37%)1797(Top 16%)1797(Top 37%)
25K15.53 mi2.42 mi8488-31254-241254-248789(Top 33%)1468(Top 13%)1468(Top 30%)
30K18.64 mi3.11 mi8443+451280-261280-268550(Top 32%)1525(Top 13%)1525(Top 31%)
20M20.00 mi1.36 mi8364+791277+31277+37695(Top 29%)1283(Top 11%)1283(Top 26%)
21M21.00 mi1.00 mi8256+1081248+291248+296663(Top 25%)1006(Top 9%)1006(Top 21%)
35K21.75 mi0.75 mi8162+941226+221226+226546(Top 25%)939(Top 8%)939(Top 19%)
23M23.00 mi1.25 mi8054+1081206+201206+206827(Top 26%)1110(Top 10%)1110(Top 23%)
24M24.00 mi1.00 mi7930+1241180+261180+266079(Top 23%)927(Top 8%)927(Top 19%)
40K24.85 mi0.85 mi7804+1261152+281152+285442(Top 20%)797(Top 7%)797(Top 16%)
25.2M25.20 mi0.35 mi7766+381147+51147+56711(Top 25%)1297(Top 11%)1297(Top 27%)
Finish26.22 mi1.02 mi7655+1111132+151132+155748(Top 22%)984(Top 9%)984(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

8939

Females

1420

F18-39

1420

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

8935

Females

1382

F18-39

1382

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

8939

Females

1420

F18-39

1420

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8583

Females

1326

F18-39

1326

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9842

Females

1797

F18-39

1797

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8789

Females

1468

F18-39

1468

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8550

Females

1525

F18-39

1525

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7695

Females

1283

F18-39

1283

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6663

Females

1006

F18-39

1006

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6546

Females

939

F18-39

939

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6827

Females

1110

F18-39

1110

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6079

Females

927

F18-39

927

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5442

Females

797

F18-39

797

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6711

Females

1297

F18-39

1297

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5748

Females

984

F18-39

984

Passing Analysis

Category:
Athletes Passed
1471
Passed By
1490
Net Change
-19
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7636
5K → 10K58645-587#7636#8223
10K → 15K74275-201#8223#8424
15K → 20K142130+12#8424#8412
20K → Half578-73#8412#8485
Half → 25K100103-3#8485#8488
25K → 30K176131+45#8488#8443
30K → 20M11738+79#8443#8364
20M → 21M12618+108#8364#8256
21M → 35K1017+94#8256#8162
35K → 23M13426+108#8162#8054
23M → 24M13612+124#8054#7930
24M → 40K1315+126#7930#7804
40K → 25.2M468+38#7804#7766
25.2M → Finish12514+111#7766#7655
TOTALS14711490-19
📊

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