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BOSTON MARATHON 2023

Callie Skokos

Bib: 15756•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:44/mi
27:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:48/mi
54:27
↑ 79↓ 1380.4%
15K· 9.32 mi
8:55/mi
1:22:10
↑ 67↓ 78
20K· 12.43 mi
9:04/mi
1:50:21
↑ 106↓ 860.1%
Half· 13.11 mi
8:52/mi
1:56:24
↑ 19↓ 370.5%
25K· 15.53 mi
9:07/mi
2:18:31
↑ 66↓ 880.2%
30K· 18.64 mi
9:32/mi
2:48:09
↑ 181↓ 1480.2%
20M
9:49/mi
3:01:29
↑ 64↓ 500.2%
21M
10:27/mi
3:11:56
↑ 106↓ 241.6%
35K· 21.75 mi
9:48/mi
3:19:16
↑ 17↓ 861.7%
23M
10:08/mi
3:31:57
↑ 23↓ 630.6%
24M
9:57/mi
3:41:54
↓ 821.3%
40K· 24.85 mi
10:08/mi
3:50:34
↓ 200.3%
25.2M
10:47/mi
3:54:17
↑ 13↓ 160.2%
Finish· 26.22 mi
9:45/mi
4:04:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:24
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:07:49
Pace9:45 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0627:088:4427:08
8:44
-
10K
6.21 mi11:48:2554:278:4627:19
8:48
+0:04
15K
9.32 mi12:16:081:22:108:4927:43
8:55
+0:07
20K
12.43 mi12:44:191:50:218:5328:11
9:04
+0:09
Half
13.11 mi12:50:221:56:248:536:03
8:52
-0:12
25K
15.53 mi13:12:292:18:318:5522:07
9:07
+0:15
30K
18.64 mi13:42:072:48:099:0129:38
9:32
+0:25
20M
20.00 mi13:55:273:01:299:0413:20
9:49
+0:17
21M
21.00 mi14:05:543:11:569:0810:27
10:27
+0:38
35K
21.75 mi14:13:143:19:169:107:20
9:48
-0:39
23M
23.00 mi14:25:553:31:579:1312:41
10:08
+0:20
24M
24.00 mi14:35:523:41:549:159:57
9:57
-0:11
40K
24.85 mi14:44:323:50:349:178:40
10:08
+0:11
25.2M
25.20 mi14:48:153:54:179:183:43
10:47
+0:39
Finish
26.22 mi14:58:114:04:139:199:56
9:45
-1:02

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

8:44 /mi

Average Pace

9:19 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:31

57% of race

Time at Steady Pace

1:10:11

29% of race

Time at Slower Pace

35:31

15% of race

Average Pace: 9:19 /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 mi11:21:0627:088:4427:08
8:44
#19105
10K
6.21 mi11:48:2554:278:4627:19
8:48
#19480
15K
9.32 mi12:16:081:22:108:4927:43
8:55
#19681
20K
12.43 mi12:44:191:50:218:5328:11
9:04
#19754
Half
13.11 mi12:50:221:56:248:536:03
8:52
#19755
25K
15.53 mi13:12:292:18:318:5522:07
9:07
#19713
30K
18.64 mi13:42:072:48:099:0129:38
9:32
#19687
20M
20.00 mi13:55:273:01:299:0413:20
9:49
#19703
21M
21.00 mi14:05:543:11:569:0810:27
10:27
#19681
35K
21.75 mi14:13:143:19:169:107:20
9:48
#19739
23M
23.00 mi14:25:553:31:579:1312:41
10:08
#19788
24M
24.00 mi14:35:523:41:549:159:57
9:57
#19853
40K
24.85 mi14:44:323:50:349:178:40
10:08
#19888
25.2M
25.20 mi14:48:153:54:179:183:43
10:47
#19893
Finish
26.22 mi14:58:114:04:139:199:56
9:45
#19933
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi191057266726620151(Top 76%)7755(Top 68%)7755(Top 952%)
10K6.21 mi3.10 mi19480-3757451-1857451-18519894(Top 75%)7639(Top 67%)7639(Top 937%)
15K9.32 mi3.11 mi19681-2017560-1097560-10920151(Top 76%)7755(Top 68%)7755(Top 952%)
20K12.43 mi3.11 mi19754-737576-167576-1620018(Top 75%)7690(Top 67%)7690(Top 944%)
Half13.11 mi0.68 mi19755-17566+107566+1019881(Top 75%)7606(Top 67%)7606(Top 933%)
25K15.53 mi2.42 mi19713+427546+207546+2019529(Top 73%)7443(Top 65%)7443(Top 913%)
30K18.64 mi3.11 mi19687+267542+47542+419585(Top 74%)7526(Top 66%)7526(Top 923%)
20M20.00 mi1.36 mi19703-167560-187560-1819902(Top 75%)7797(Top 68%)7797(Top 957%)
21M21.00 mi1.00 mi19681+227559+17559+119450(Top 73%)7613(Top 67%)7613(Top 934%)
35K21.75 mi0.75 mi19739-587597-387597-3820773(Top 78%)8373(Top 73%)8373(Top 1027%)
23M23.00 mi1.25 mi19788-497641-447641-4420386(Top 77%)8166(Top 71%)8166(Top 1002%)
24M24.00 mi1.00 mi19853-657685-447685-4420661(Top 78%)8359(Top 73%)8359(Top 1026%)
40K24.85 mi0.85 mi19888-357717-327717-3220342(Top 76%)8247(Top 72%)8247(Top 1012%)
25.2M25.20 mi0.35 mi19893-57720-37720-319937(Top 75%)8026(Top 70%)8026(Top 985%)
Finish26.22 mi1.02 mi19933-407751-317751-3120976(Top 79%)8545(Top 75%)8545(Top 1048%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

20151

Females

7755

F55-59

7755

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19894

Females

7639

F55-59

7639

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

20151

Females

7755

F55-59

7755

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

20018

Females

7690

F55-59

7690

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19881

Females

7606

F55-59

7606

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

19529

Females

7443

F55-59

7443

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19585

Females

7526

F55-59

7526

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19902

Females

7797

F55-59

7797

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19450

Females

7613

F55-59

7613

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

20773

Females

8373

F55-59

8373

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20386

Females

8166

F55-59

8166

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20661

Females

8359

F55-59

8359

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20342

Females

8247

F55-59

8247

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19937

Females

8026

F55-59

8026

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

20976

Females

8545

F55-59

8545

Passing Analysis

Category:
Athletes Passed
1161
Passed By
1989
Net Change
-828
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19105
5K → 10K178553-375#19105#19480
10K → 15K111312-201#19480#19681
15K → 20K139212-73#19681#19754
20K → Half3031-1#19754#19755
Half → 25K14098+42#19755#19713
25K → 30K181155+26#19713#19687
30K → 20M7894-16#19687#19703
20M → 21M9573+22#19703#19681
21M → 35K3088-58#19681#19739
35K → 23M54103-49#19739#19788
23M → 24M3499-65#19788#19853
24M → 40K3873-35#19853#19888
40K → 25.2M2227-5#19888#19893
25.2M → Finish3171-40#19893#19933
TOTALS11611989-828
📊

Passing Visuals

Category:
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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