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BOSTON MARATHON 2023

Singrid Grados

Bib: 12110•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 7%
Masters (Masters Women)
#0 / 6539
Top 2%
Division (F40-44)
#0 / 1878
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:51
Rank: #11244
Start → 5K
23:51 | 7:41/mi
10K· 6.21 mi
47:13
Rank: #10914 (+330)
5K → 10K
23:22 | 7:31/mi
15K· 9.32 mi
1:09:28
Rank: #9639 (+1275)
10K → 15K
22:15 | 7:10/mi
20K· 12.43 mi
1:31:48
Rank: #8900 (+739)
15K → 20K
22:20 | 7:11/mi
Half· 13.11 mi
1:36:44
Rank: #8847 (+53)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:54:11
Rank: #8441 (+406)
Half → 25K
17:27 | 7:12/mi
30K· 18.64 mi
2:17:04
Rank: #8039 (+402)
25K → 30K
22:53 | 7:22/mi
20M
2:26:55
Rank: #7771 (+268)
30K → 20M
9:51 | 7:15/mi
21M
2:34:36
Rank: #7611 (+160)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:39:38
Rank: #7444 (+167)
21M → 35K
5:02 | 6:44/mi
23M
2:48:37
Rank: #7219 (+225)
35K → 23M
8:59 | 7:10/mi
24M
2:55:35
Rank: #7049 (+170)
23M → 24M
6:58 | 6:58/mi
40K· 24.85 mi
3:01:40
Rank: #6912 (+137)
24M → 40K
6:05 | 7:07/mi
25.2M
3:04:20
Rank: #6859 (+53)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:11:36
Rank: #6803 (+56)
25.2M → Finish
7:16 | 7:08/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:36:44
Pace7:23 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:34:52
Pace7:14 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5823:517:4123:51
7:41
-
10K
6.21 mi11:15:2047:137:3623:22
7:31
-0:10
15K
9.32 mi11:37:351:09:287:2722:15
7:10
-0:21
20K
12.43 mi11:59:551:31:487:2322:20
7:11
+0:01
Half
13.11 mi12:04:511:36:447:234:56
7:14
+0:03
25K
15.53 mi12:22:181:54:117:2117:27
7:12
-0:02
30K
18.64 mi12:45:112:17:047:2122:53
7:22
+0:10
20M
20.00 mi12:55:022:26:557:219:51
7:15
-0:07
21M
21.00 mi13:02:432:34:367:227:41
7:41
+0:26
35K
21.75 mi13:07:452:39:387:205:02
6:44
-0:57
23M
23.00 mi13:16:442:48:377:208:59
7:10
+0:26
24M
24.00 mi13:23:422:55:357:196:58
6:58
-0:12
40K
24.85 mi13:29:473:01:407:196:05
7:07
+0:09
25.2M
25.20 mi13:32:273:04:207:192:40
7:44
+0:37
Finish
26.22 mi13:39:433:11:367:197:16
7:08
-0:36

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

6:44 /mi

Average Pace

7:19 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:02

70% of race

Time at Steady Pace

57:34

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:51:5823:517:4123:51
7:41
#11244
10K
6.21 mi11:15:2047:137:3623:22
7:31
#10914
15K
9.32 mi11:37:351:09:287:2722:15
7:10
#9639
20K
12.43 mi11:59:551:31:487:2322:20
7:11
#8900
Half
13.11 mi12:04:511:36:447:234:56
7:14
#8847
25K
15.53 mi12:22:181:54:117:2117:27
7:12
#8441
30K
18.64 mi12:45:112:17:047:2122:53
7:22
#8039
20M
20.00 mi12:55:022:26:557:219:51
7:15
#7771
21M
21.00 mi13:02:432:34:367:227:41
7:41
#7611
35K
21.75 mi13:07:452:39:387:205:02
6:44
#7444
23M
23.00 mi13:16:442:48:377:208:59
7:10
#7219
24M
24.00 mi13:23:422:55:357:196:58
6:58
#7049
40K
24.85 mi13:29:473:01:407:196:05
7:07
#6912
25.2M
25.20 mi13:32:273:04:207:192:40
7:44
#6859
Finish
26.22 mi13:39:433:11:367:197:16
7:08
#6803
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi11244245224527545(Top 28%)911(Top 8%)911(Top 49%)
10K6.21 mi3.10 mi10914+3302279+1732279+17310623(Top 40%)2108(Top 18%)2108(Top 112%)
15K9.32 mi3.11 mi9639+12751677+6021677+6027545(Top 28%)911(Top 8%)911(Top 49%)
20K12.43 mi3.11 mi8900+7391394+2831394+2837033(Top 26%)789(Top 7%)789(Top 42%)
Half13.11 mi0.68 mi8847+531376+181376+188120(Top 31%)1126(Top 10%)1126(Top 60%)
25K15.53 mi2.42 mi8441+4061235+1411235+1416677(Top 25%)760(Top 7%)760(Top 40%)
30K18.64 mi3.11 mi8039+4021131+1041131+1046406(Top 24%)738(Top 6%)738(Top 39%)
20M20.00 mi1.36 mi7771+2681047+841047+845398(Top 20%)555(Top 5%)555(Top 30%)
21M21.00 mi1.00 mi7611+1601008+391008+395555(Top 21%)683(Top 6%)683(Top 36%)
35K21.75 mi0.75 mi7444+167970+38970+383794(Top 14%)304(Top 3%)304(Top 16%)
23M23.00 mi1.25 mi7219+225909+61909+614700(Top 18%)464(Top 4%)464(Top 25%)
24M24.00 mi1.00 mi7049+170875+34875+344540(Top 17%)451(Top 4%)451(Top 24%)
40K24.85 mi0.85 mi6912+137848+27848+274482(Top 17%)509(Top 4%)509(Top 27%)
25.2M25.20 mi0.35 mi6859+53843+5843+55113(Top 19%)758(Top 7%)758(Top 40%)
Finish26.22 mi1.02 mi6803+56838+5838+56021(Top 23%)1068(Top 9%)1068(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7545

Females

911

F40-44

911

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10623

Females

2108

F40-44

2108

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7545

Females

911

F40-44

911

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7033

Females

789

F40-44

789

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8120

Females

1126

F40-44

1126

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6677

Females

760

F40-44

760

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6406

Females

738

F40-44

738

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5398

Females

555

F40-44

555

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5555

Females

683

F40-44

683

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3794

Females

304

F40-44

304

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4700

Females

464

F40-44

464

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4540

Females

451

F40-44

451

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4482

Females

509

F40-44

509

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5113

Females

758

F40-44

758

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6021

Females

1068

F40-44

1068

Passing Analysis

Category:
Athletes Passed
4683*
Passed By
242
Net Change
+4441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11244
5K → 10K508178+330#11244#10914
10K → 15K1278*3+1275#10914#9639
15K → 20K7401+739#9639#8900
20K → Half574+53#8900#8847
Half → 25K4060+406#8847#8441
25K → 30K4119+402#8441#8039
30K → 20M2713+268#8039#7771
20M → 21M1655+160#7771#7611
21M → 35K1681+167#7611#7444
35K → 23M2250+225#7444#7219
23M → 24M1733+170#7219#7049
24M → 40K1392+137#7049#6912
40K → 25.2M6310+53#6912#6859
25.2M → Finish7923+56#6859#6803
TOTALS4683*242+4441

* 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