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BOSTON MARATHON 2023

Kyra Ley

Bib: 16799•F

MT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 28%
Gender (Female)
#0 / 11423
Top 10%
Division (F18-39)
#0 / 4884
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:56
Rank: #11477
Start → 5K
23:56 | 7:42/mi
10K· 6.21 mi
46:42
Rank: #10190 (+1287)
5K → 10K
22:46 | 7:20/mi
15K· 9.32 mi
1:08:58
Rank: #9180 (+1010)
10K → 15K
22:16 | 7:10/mi
20K· 12.43 mi
1:31:44
Rank: #8862 (+318)
15K → 20K
22:46 | 7:20/mi
Half· 13.11 mi
1:36:31
Rank: #8726 (+136)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:53:47
Rank: #8258 (+468)
Half → 25K
17:16 | 7:07/mi
30K· 18.64 mi
2:16:48
Rank: #7927 (+331)
25K → 30K
23:01 | 7:25/mi
20M
2:27:05
Rank: #7827 (+100)
30K → 20M
10:17 | 7:34/mi
21M
2:35:15
Rank: #7813 (+14)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:40:32
Rank: #7708 (+105)
21M → 35K
5:17 | 7:04/mi
23M
2:50:01
Rank: #7631 (+77)
35K → 23M
9:29 | 7:34/mi
24M
2:57:27
Rank: #7588 (+43)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
3:03:54
Rank: #7537 (+51)
24M → 40K
6:27 | 7:33/mi
25.2M
3:06:48
Rank: #7558 (-21)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:14:30
Rank: #7587 (-29)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:31
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:37:59
Pace7:28 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3823:567:4223:56
7:42
-
10K
6.21 mi11:37:2446:427:3122:46
7:20
-0:22
15K
9.32 mi11:59:401:08:587:2422:16
7:10
-0:10
20K
12.43 mi12:22:261:31:447:2322:46
7:20
+0:10
Half
13.11 mi12:27:131:36:317:224:47
7:01
-0:19
25K
15.53 mi12:44:291:53:477:1917:16
7:07
+0:06
30K
18.64 mi13:07:302:16:487:2023:01
7:25
+0:18
20M
20.00 mi13:17:472:27:057:2110:17
7:34
+0:09
21M
21.00 mi13:25:572:35:157:248:10
8:10
+0:36
35K
21.75 mi13:31:142:40:327:235:17
7:04
-1:06
23M
23.00 mi13:40:432:50:017:249:29
7:34
+0:30
24M
24.00 mi13:48:092:57:277:247:26
7:26
-0:08
40K
24.85 mi13:54:363:03:547:246:27
7:33
+0:07
25.2M
25.20 mi13:57:303:06:487:252:54
8:25
+0:52
Finish
26.22 mi14:05:123:14:307:257:42
7:33
-0:52

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

7:01 /mi

Average Pace

7:25 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:26

94% of race

Time at Steady Pace

8:10

4% of race

Time at Slower Pace

2:54

1% of race

Average Pace: 7:25 /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 mi11:14:3823:567:4223:56
7:42
#11477
10K
6.21 mi11:37:2446:427:3122:46
7:20
#10190
15K
9.32 mi11:59:401:08:587:2422:16
7:10
#9180
20K
12.43 mi12:22:261:31:447:2322:46
7:20
#8862
Half
13.11 mi12:27:131:36:317:224:47
7:01
#8726
25K
15.53 mi12:44:291:53:477:1917:16
7:07
#8258
30K
18.64 mi13:07:302:16:487:2023:01
7:25
#7927
20M
20.00 mi13:17:472:27:057:2110:17
7:34
#7827
21M
21.00 mi13:25:572:35:157:248:10
8:10
#7813
35K
21.75 mi13:31:142:40:327:235:17
7:04
#7708
23M
23.00 mi13:40:432:50:017:249:29
7:34
#7631
24M
24.00 mi13:48:092:57:277:247:26
7:26
#7588
40K
24.85 mi13:54:363:03:547:246:27
7:33
#7537
25.2M
25.20 mi13:57:303:06:487:252:54
8:25
#7558
Finish
26.22 mi14:05:123:14:307:257:42
7:33
#7587
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11477257325737578(Top 28%)921(Top 8%)921(Top 19%)
10K6.21 mi3.10 mi10190+12871922+6511922+6519073(Top 34%)1437(Top 13%)1437(Top 29%)
15K9.32 mi3.11 mi9180+10101491+4311491+4317578(Top 28%)921(Top 8%)921(Top 19%)
20K12.43 mi3.11 mi8862+3181379+1121379+1128010(Top 30%)1105(Top 10%)1105(Top 23%)
Half13.11 mi0.68 mi8726+1361330+491330+496670(Top 25%)682(Top 6%)682(Top 14%)
25K15.53 mi2.42 mi8258+4681171+1591171+1596258(Top 24%)630(Top 6%)630(Top 13%)
30K18.64 mi3.11 mi7927+3311088+831088+836662(Top 25%)817(Top 7%)817(Top 17%)
20M20.00 mi1.36 mi7827+1001066+221066+227296(Top 27%)1134(Top 10%)1134(Top 23%)
21M21.00 mi1.00 mi7813+141077-111077-118435(Top 32%)1690(Top 15%)1690(Top 35%)
35K21.75 mi0.75 mi7708+1051051+261051+265752(Top 22%)698(Top 6%)698(Top 14%)
23M23.00 mi1.25 mi7631+771043+81043+86930(Top 26%)1142(Top 10%)1142(Top 23%)
24M24.00 mi1.00 mi7588+431053-101053-107279(Top 27%)1388(Top 12%)1388(Top 28%)
40K24.85 mi0.85 mi7537+511060-71060-76995(Top 26%)1356(Top 12%)1356(Top 28%)
25.2M25.20 mi0.35 mi7558-211077-171077-179001(Top 34%)2227(Top 19%)2227(Top 46%)
Finish26.22 mi1.02 mi7587-291107-301107-308967(Top 34%)2218(Top 19%)2218(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7578

Females

921

F18-39

921

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9073

Females

1437

F18-39

1437

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7578

Females

921

F18-39

921

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8010

Females

1105

F18-39

1105

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6670

Females

682

F18-39

682

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6258

Females

630

F18-39

630

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6662

Females

817

F18-39

817

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7296

Females

1134

F18-39

1134

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8435

Females

1690

F18-39

1690

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5752

Females

698

F18-39

698

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6930

Females

1142

F18-39

1142

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7279

Females

1388

F18-39

1388

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6995

Females

1356

F18-39

1356

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9001

Females

2227

F18-39

2227

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

8967

Females

2218

F18-39

2218

Passing Analysis

Category:
Athletes Passed
4280*
Passed By
390
Net Change
+3890
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11477
5K → 10K1311*24+1287#11477#10190
10K → 15K1014*4+1010#10190#9180
15K → 20K33618+318#9180#8862
20K → Half1360+136#8862#8726
Half → 25K4680+468#8726#8258
25K → 30K34615+331#8258#7927
30K → 20M13030+100#7927#7827
20M → 21M7561+14#7827#7813
21M → 35K1105+105#7813#7708
35K → 23M11134+77#7708#7631
23M → 24M8542+43#7631#7588
24M → 40K8635+51#7588#7537
40K → 25.2M2041-21#7537#7558
25.2M → Finish5281-29#7558#7587
TOTALS4280*390+3890

* 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