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BOSTON MARATHON 2023

Belinda Ortega

Bib: 17013•F

FL

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:58
Rank: #11601
Start → 5K
23:58 | 7:43/mi
10K· 6.21 mi
48:54
Rank: #13351 (-1750)
5K → 10K
24:56 | 8:02/mi
15K· 9.32 mi
1:13:38
Rank: #13577 (-226)
10K → 15K
24:44 | 7:58/mi
20K· 12.43 mi
1:38:42
Rank: #13640 (-63)
15K → 20K
25:04 | 8:04/mi
Half· 13.11 mi
1:44:11
Rank: #13688 (-48)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:03:57
Rank: #13712 (-24)
Half → 25K
19:46 | 8:09/mi
30K· 18.64 mi
2:30:33
Rank: #13904 (-192)
25K → 30K
26:36 | 8:34/mi
20M
2:42:21
Rank: #13977 (-73)
30K → 20M
11:48 | 8:41/mi
21M
2:51:44
Rank: #14052 (-75)
20M → 21M
9:23 | 9:23/mi
35K· 21.75 mi
2:58:15
Rank: #14138 (-86)
21M → 35K
6:31 | 8:43/mi
23M
3:09:18
Rank: #14181 (-43)
35K → 23M
11:03 | 8:50/mi
24M
3:17:49
Rank: #14189 (-8)
23M → 24M
8:31 | 8:31/mi
40K· 24.85 mi
3:25:32
Rank: #14269 (-80)
24M → 40K
7:43 | 9:02/mi
25.2M
3:28:47
Rank: #14268 (+1)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:37:00
Rank: #14193 (+75)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:11
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:52:49
Pace8:36 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:1623:587:4323:58
7:43
-
10K
6.21 mi12:04:1248:547:5224:56
8:02
+0:19
15K
9.32 mi12:28:561:13:387:5424:44
7:58
-0:04
20K
12.43 mi12:54:001:38:427:5725:04
8:04
+0:06
Half
13.11 mi12:59:291:44:117:575:29
8:02
-0:02
25K
15.53 mi13:19:152:03:577:5919:46
8:09
+0:07
30K
18.64 mi13:45:512:30:338:0526:36
8:34
+0:25
20M
20.00 mi13:57:392:42:218:0711:48
8:41
+0:07
21M
21.00 mi14:07:022:51:448:119:23
9:23
+0:42
35K
21.75 mi14:13:332:58:158:126:31
8:43
-0:40
23M
23.00 mi14:24:363:09:188:1411:03
8:50
+0:07
24M
24.00 mi14:33:073:17:498:158:31
8:31
-0:19
40K
24.85 mi14:40:503:25:328:167:43
9:02
+0:31
25.2M
25.20 mi14:44:053:28:478:173:15
9:25
+0:23
Finish
26.22 mi14:52:183:37:008:178:13
8:04
-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

7:43 /mi

Average Pace

8:17 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:10

61% of race

Time at Steady Pace

53:26

25% of race

Time at Slower Pace

31:24

14% of race

Average Pace: 8:17 /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 mi11:39:1623:587:4323:58
7:43
#11601
10K
6.21 mi12:04:1248:547:5224:56
8:02
#13351
15K
9.32 mi12:28:561:13:387:5424:44
7:58
#13577
20K
12.43 mi12:54:001:38:427:5725:04
8:04
#13640
Half
13.11 mi12:59:291:44:117:575:29
8:02
#13688
25K
15.53 mi13:19:152:03:577:5919:46
8:09
#13712
30K
18.64 mi13:45:512:30:338:0526:36
8:34
#13904
20M
20.00 mi13:57:392:42:218:0711:48
8:41
#13977
21M
21.00 mi14:07:022:51:448:119:23
9:23
#14052
35K
21.75 mi14:13:332:58:158:126:31
8:43
#14138
23M
23.00 mi14:24:363:09:188:1411:03
8:50
#14181
24M
24.00 mi14:33:073:17:498:158:31
8:31
#14189
40K
24.85 mi14:40:503:25:328:167:43
9:02
#14269
25.2M
25.20 mi14:44:053:28:478:173:15
9:25
#14268
Finish
26.22 mi14:52:183:37:008:178:13
8:04
#14193
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi116012647264714083(Top 53%)4133(Top 36%)4133(Top 85%)
10K6.21 mi3.10 mi13351-17503657-10103657-101015002(Top 56%)4675(Top 41%)4675(Top 96%)
15K9.32 mi3.11 mi13577-2263806-1493806-14914083(Top 53%)4133(Top 36%)4133(Top 85%)
20K12.43 mi3.11 mi13640-633875-693875-6914014(Top 53%)4121(Top 36%)4121(Top 84%)
Half13.11 mi0.68 mi13688-483902-273902-2714711(Top 55%)4507(Top 39%)4507(Top 92%)
25K15.53 mi2.42 mi13712-243934-323934-3213908(Top 52%)4164(Top 36%)4164(Top 85%)
30K18.64 mi3.11 mi13904-1924085-1514085-15114698(Top 55%)4746(Top 42%)4746(Top 97%)
20M20.00 mi1.36 mi13977-734151-664151-6614759(Top 55%)4859(Top 43%)4859(Top 99%)
21M21.00 mi1.00 mi14052-754216-654216-6515407(Top 58%)5284(Top 46%)5284(Top 108%)
35K21.75 mi0.75 mi14138-864290-744290-7416470(Top 62%)5969(Top 52%)5969(Top 122%)
23M23.00 mi1.25 mi14181-434336-464336-4615137(Top 57%)5254(Top 46%)5254(Top 108%)
24M24.00 mi1.00 mi14189-84367-314367-3114581(Top 55%)5003(Top 44%)5003(Top 102%)
40K24.85 mi0.85 mi14269-804434-674434-6716288(Top 61%)6013(Top 53%)6013(Top 123%)
25.2M25.20 mi0.35 mi14268+14447-134447-1314849(Top 56%)5207(Top 46%)5207(Top 107%)
Finish26.22 mi1.02 mi14193+754420+274420+2712590(Top 47%)4007(Top 35%)4007(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14083

Females

4133

F18-39

4133

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

15002

Females

4675

F18-39

4675

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14083

Females

4133

F18-39

4133

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14014

Females

4121

F18-39

4121

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14711

Females

4507

F18-39

4507

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13908

Females

4164

F18-39

4164

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

14698

Females

4746

F18-39

4746

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

14759

Females

4859

F18-39

4859

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15407

Females

5284

F18-39

5284

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16470

Females

5969

F18-39

5969

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15137

Females

5254

F18-39

5254

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14581

Females

5003

F18-39

5003

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16288

Females

6013

F18-39

6013

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14849

Females

5207

F18-39

5207

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12590

Females

4007

F18-39

4007

Passing Analysis

Category:
Athletes Passed
1052
Passed By
3644
Net Change
-2592
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11601
5K → 10K201770-1750#11601#13351
10K → 15K118344-226#13351#13577
15K → 20K165228-63#13577#13640
20K → Half1361-48#13640#13688
Half → 25K132156-24#13688#13712
25K → 30K125317-192#13712#13904
30K → 20M71144-73#13904#13977
20M → 21M71146-75#13977#14052
21M → 35K22108-86#14052#14138
35K → 23M83126-43#14138#14181
23M → 24M6068-8#14181#14189
24M → 40K37117-80#14189#14269
40K → 25.2M2625+1#14269#14268
25.2M → Finish10934+75#14268#14193
TOTALS10523644-2592
📊

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