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BOSTON MARATHON 2023

Rocio Fields

Bib: 22906•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 42%
Division (F50-54)
#0 / 1207
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:33
Rank: #17886
Start → 5K
26:33 | 8:33/mi
10K· 6.21 mi
52:14
Rank: #17254 (+632)
5K → 10K
25:41 | 8:16/mi
15K· 9.32 mi
1:18:05
Rank: #17057 (+197)
10K → 15K
25:51 | 8:19/mi
20K· 12.43 mi
1:44:22
Rank: #16932 (+125)
15K → 20K
26:17 | 8:28/mi
Half· 13.11 mi
1:50:06
Rank: #16941 (-9)
20K → Half
5:44 | 8:24/mi
25K· 15.53 mi
2:10:50
Rank: #16877 (+64)
Half → 25K
20:44 | 8:33/mi
30K· 18.64 mi
2:39:29
Rank: #17088 (-211)
25K → 30K
28:39 | 9:13/mi
20M
2:51:46
Rank: #17060 (+28)
30K → 20M
12:17 | 9:02/mi
21M
3:01:39
Rank: #17096 (-36)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
3:08:21
Rank: #17121 (-25)
21M → 35K
6:42 | 8:57/mi
23M
3:19:36
Rank: #17037 (+84)
35K → 23M
11:15 | 8:59/mi
24M
3:28:19
Rank: #16979 (+58)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:35:48
Rank: #16900 (+79)
24M → 40K
7:29 | 8:45/mi
25.2M
3:38:58
Rank: #16840 (+60)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:47:29
Rank: #16743 (+97)
25.2M → Finish
8:31 | 8:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:06
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:57:23
Pace8:57 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3026:338:3326:33
8:33
-
10K
6.21 mi11:46:1152:148:2425:41
8:16
-0:17
15K
9.32 mi12:12:021:18:058:2325:51
8:19
+0:03
20K
12.43 mi12:38:191:44:228:2426:17
8:28
+0:09
Half
13.11 mi12:44:031:50:068:245:44
8:24
-0:04
25K
15.53 mi13:04:472:10:508:2520:44
8:33
+0:09
30K
18.64 mi13:33:262:39:298:3328:39
9:13
+0:40
20M
20.00 mi13:45:432:51:468:3512:17
9:02
-0:11
21M
21.00 mi13:55:363:01:398:399:53
9:53
+0:51
35K
21.75 mi14:02:183:08:218:406:42
8:57
-0:56
23M
23.00 mi14:13:333:19:368:4111:15
8:59
+0:02
24M
24.00 mi14:22:163:28:198:418:43
8:43
-0:16
40K
24.85 mi14:29:453:35:488:417:29
8:45
+0:02
25.2M
25.20 mi14:32:553:38:588:413:10
9:11
+0:26
Finish
26.22 mi14:41:263:47:298:418:31
8:21
-0:50

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

8:16 /mi

Average Pace

8:41 /mi

Slowest Pace

9:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:47

82% of race

Time at Steady Pace

31:49

14% of race

Time at Slower Pace

9:53

4% of race

Average Pace: 8:41 /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 mi11:20:3026:338:3326:33
8:33
#17886
10K
6.21 mi11:46:1152:148:2425:41
8:16
#17254
15K
9.32 mi12:12:021:18:058:2325:51
8:19
#17057
20K
12.43 mi12:38:191:44:228:2426:17
8:28
#16932
Half
13.11 mi12:44:031:50:068:245:44
8:24
#16941
25K
15.53 mi13:04:472:10:508:2520:44
8:33
#16877
30K
18.64 mi13:33:262:39:298:3328:39
9:13
#17088
20M
20.00 mi13:45:432:51:468:3512:17
9:02
#17060
21M
21.00 mi13:55:363:01:398:399:53
9:53
#17096
35K
21.75 mi14:02:183:08:218:406:42
8:57
#17121
23M
23.00 mi14:13:333:19:368:4111:15
8:59
#17037
24M
24.00 mi14:22:163:28:198:418:43
8:43
#16979
40K
24.85 mi14:29:453:35:488:417:29
8:45
#16900
25.2M
25.20 mi14:32:553:38:588:413:10
9:11
#16840
Finish
26.22 mi14:41:263:47:298:418:31
8:21
#16743
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi178866477647716677(Top 63%)5719(Top 50%)5719(Top 474%)
10K6.21 mi3.10 mi17254+6326090+3876090+38716709(Top 63%)5699(Top 50%)5699(Top 472%)
15K9.32 mi3.11 mi17057+1975940+1505940+15016677(Top 63%)5719(Top 50%)5719(Top 474%)
20K12.43 mi3.11 mi16932+1255887+535887+5316607(Top 62%)5710(Top 50%)5710(Top 473%)
Half13.11 mi0.68 mi16941-95892-55892-517194(Top 65%)6010(Top 53%)6010(Top 498%)
25K15.53 mi2.42 mi16877+645879+135879+1316511(Top 62%)5730(Top 50%)5730(Top 475%)
30K18.64 mi3.11 mi17088-2116017-1386017-13818259(Top 69%)6792(Top 59%)6792(Top 563%)
20M20.00 mi1.36 mi17060+286005+126005+1216757(Top 63%)6008(Top 53%)6008(Top 498%)
21M21.00 mi1.00 mi17096-366046-416046-4117595(Top 66%)6518(Top 57%)6518(Top 540%)
35K21.75 mi0.75 mi17121-256067-216067-2117733(Top 67%)6681(Top 58%)6681(Top 554%)
23M23.00 mi1.25 mi17037+846045+226045+2216015(Top 60%)5754(Top 50%)5754(Top 477%)
24M24.00 mi1.00 mi16979+586032+136032+1315777(Top 59%)5690(Top 50%)5690(Top 471%)
40K24.85 mi0.85 mi16900+796003+296003+2914859(Top 56%)5221(Top 46%)5221(Top 433%)
25.2M25.20 mi0.35 mi16840+605969+345969+3413648(Top 51%)4585(Top 40%)4585(Top 380%)
Finish26.22 mi1.02 mi16743+975928+415928+4114492(Top 54%)5000(Top 44%)5000(Top 414%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16677

Females

5719

F50-54

5719

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16709

Females

5699

F50-54

5699

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16677

Females

5719

F50-54

5719

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16607

Females

5710

F50-54

5710

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

17194

Females

6010

F50-54

6010

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16511

Females

5730

F50-54

5730

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18259

Females

6792

F50-54

6792

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16757

Females

6008

F50-54

6008

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17595

Females

6518

F50-54

6518

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17733

Females

6681

F50-54

6681

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

16015

Females

5754

F50-54

5754

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15777

Females

5690

F50-54

5690

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14859

Females

5221

F50-54

5221

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13648

Females

4585

F50-54

4585

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14492

Females

5000

F50-54

5000

Passing Analysis

Category:
Athletes Passed
2283
Passed By
1140
Net Change
+1143
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17886
5K → 10K758126+632#17886#17254
10K → 15K300103+197#17254#17057
15K → 20K243118+125#17057#16932
20K → Half2534-9#16932#16941
Half → 25K14783+64#16941#16877
25K → 30K116327-211#16877#17088
30K → 20M9062+28#17088#17060
20M → 21M72108-36#17060#17096
21M → 35K3257-25#17096#17121
35K → 23M12945+84#17121#17037
23M → 24M8931+58#17037#16979
24M → 40K9516+79#16979#16900
40K → 25.2M644+60#16900#16840
25.2M → Finish12326+97#16840#16743
TOTALS22831140+1143
📊

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