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BOSTON MARATHON 2023

Skyler Andersen

Bib: 12093•F

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:06
Rank: #9118
Start → 5K
23:06 | 7:26/mi
10K· 6.21 mi
44:57
Rank: #7996 (+1122)
5K → 10K
21:51 | 7:02/mi
15K· 9.32 mi
1:06:56
Rank: #7627 (+369)
10K → 15K
21:59 | 7:05/mi
20K· 12.43 mi
1:29:29
Rank: #7557 (+70)
15K → 20K
22:33 | 7:15/mi
Half· 13.11 mi
1:34:19
Rank: #7513 (+44)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:52:14
Rank: #7548 (-35)
Half → 25K
17:55 | 7:23/mi
30K· 18.64 mi
2:16:22
Rank: #7747 (-199)
25K → 30K
24:08 | 7:46/mi
20M
2:27:25
Rank: #7941 (-194)
30K → 20M
11:03 | 8:08/mi
21M
2:36:07
Rank: #8149 (-208)
20M → 21M
8:42 | 8:42/mi
35K· 21.75 mi
2:41:49
Rank: #8172 (-23)
21M → 35K
5:42 | 7:37/mi
23M
2:52:11
Rank: #8369 (-197)
35K → 23M
10:22 | 8:17/mi
24M
3:00:03
Rank: #8416 (-47)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
3:07:05
Rank: #8533 (-117)
24M → 40K
7:02 | 8:14/mi
25.2M
3:10:17
Rank: #8615 (-82)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:18:45
Rank: #8816 (-201)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:19
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:44:26
Pace7:58 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0523:067:2623:06
7:26
-
10K
6.21 mi11:41:5644:577:1421:51
7:02
-0:24
15K
9.32 mi12:03:551:06:567:1121:59
7:05
+0:03
20K
12.43 mi12:26:281:29:297:1222:33
7:15
+0:10
Half
13.11 mi12:31:181:34:197:124:50
7:05
-0:10
25K
15.53 mi12:49:131:52:147:1317:55
7:23
+0:18
30K
18.64 mi13:13:212:16:227:1924:08
7:46
+0:23
20M
20.00 mi13:24:242:27:257:2211:03
8:08
+0:22
21M
21.00 mi13:33:062:36:077:268:42
8:42
+0:34
35K
21.75 mi13:38:482:41:497:265:42
7:37
-1:05
23M
23.00 mi13:49:102:52:117:2910:22
8:17
+0:40
24M
24.00 mi13:57:023:00:037:307:52
7:52
-0:25
40K
24.85 mi14:04:043:07:057:327:02
8:14
+0:22
25.2M
25.20 mi14:07:163:10:177:333:12
9:17
+1:03
Finish
26.22 mi14:15:443:18:457:358:28
8:19
-0:58

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

7:02 /mi

Average Pace

7:35 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:14

56% of race

Time at Steady Pace

37:42

19% of race

Time at Slower Pace

48:49

25% of race

Average Pace: 7:35 /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 mi11:20:0523:067:2623:06
7:26
#9118
10K
6.21 mi11:41:5644:577:1421:51
7:02
#7996
15K
9.32 mi12:03:551:06:567:1121:59
7:05
#7627
20K
12.43 mi12:26:281:29:297:1222:33
7:15
#7557
Half
13.11 mi12:31:181:34:197:124:50
7:05
#7513
25K
15.53 mi12:49:131:52:147:1317:55
7:23
#7548
30K
18.64 mi13:13:212:16:227:1924:08
7:46
#7747
20M
20.00 mi13:24:242:27:257:2211:03
8:08
#7941
21M
21.00 mi13:33:062:36:077:268:42
8:42
#8149
35K
21.75 mi13:38:482:41:497:265:42
7:37
#8172
23M
23.00 mi13:49:102:52:117:2910:22
8:17
#8369
24M
24.00 mi13:57:023:00:037:307:52
7:52
#8416
40K
24.85 mi14:04:043:07:057:327:02
8:14
#8533
25.2M
25.20 mi14:07:163:10:177:333:12
9:17
#8615
Finish
26.22 mi14:15:443:18:457:358:28
8:19
#8816
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9118144014407020(Top 26%)758(Top 7%)758(Top 16%)
10K6.21 mi3.10 mi7996+11221026+4141026+4147048(Top 26%)767(Top 7%)767(Top 16%)
15K9.32 mi3.11 mi7627+369908+118908+1187020(Top 26%)758(Top 7%)758(Top 16%)
20K12.43 mi3.11 mi7557+70902+6902+67511(Top 28%)939(Top 8%)939(Top 19%)
Half13.11 mi0.68 mi7513+44889+13889+137126(Top 27%)818(Top 7%)818(Top 17%)
25K15.53 mi2.42 mi7548-35911-22911-227960(Top 30%)1173(Top 10%)1173(Top 24%)
30K18.64 mi3.11 mi7747-1991023-1121023-1129110(Top 34%)1748(Top 15%)1748(Top 36%)
20M20.00 mi1.36 mi7941-1941109-861109-8611242(Top 42%)2838(Top 25%)2838(Top 58%)
21M21.00 mi1.00 mi8149-2081210-1011210-10111668(Top 44%)3219(Top 28%)3219(Top 66%)
35K21.75 mi0.75 mi8172-231233-231233-239424(Top 35%)2101(Top 18%)2101(Top 43%)
23M23.00 mi1.25 mi8369-1971318-851318-8511747(Top 44%)3369(Top 29%)3369(Top 69%)
24M24.00 mi1.00 mi8416-471359-411359-4110287(Top 39%)2719(Top 24%)2719(Top 56%)
40K24.85 mi0.85 mi8533-1171424-651424-6511547(Top 43%)3425(Top 30%)3425(Top 70%)
25.2M25.20 mi0.35 mi8615-821463-391463-3914084(Top 53%)4768(Top 42%)4768(Top 98%)
Finish26.22 mi1.02 mi8816-2011569-1061569-10614159(Top 53%)4820(Top 42%)4820(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7020

Females

758

F18-39

758

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7048

Females

767

F18-39

767

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7020

Females

758

F18-39

758

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7511

Females

939

F18-39

939

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7126

Females

818

F18-39

818

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

7960

Females

1173

F18-39

1173

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9110

Females

1748

F18-39

1748

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11242

Females

2838

F18-39

2838

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11668

Females

3219

F18-39

3219

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9424

Females

2101

F18-39

2101

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11747

Females

3369

F18-39

3369

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10287

Females

2719

F18-39

2719

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11547

Females

3425

F18-39

3425

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14084

Females

4768

F18-39

4768

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14159

Females

4820

F18-39

4820

Passing Analysis

Category:
Athletes Passed
2110
Passed By
1808
Net Change
+302
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9118
5K → 10K114119+1122#9118#7996
10K → 15K38718+369#7996#7627
15K → 20K14979+70#7627#7557
20K → Half5410+44#7557#7513
Half → 25K66101-35#7513#7548
25K → 30K84283-199#7548#7747
30K → 20M26220-194#7747#7941
20M → 21M22230-208#7941#8149
21M → 35K4063-23#8149#8172
35K → 23M31228-197#8172#8369
23M → 24M5198-47#8369#8416
24M → 40K33150-117#8416#8533
40K → 25.2M890-82#8533#8615
25.2M → Finish18219-201#8615#8816
TOTALS21101808+302
📊

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