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BOSTON MARATHON 2023

Kallan Roys

Bib: 25634•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
31:00
Rank: #23383
Start → 5K
31:00 | 9:59/mi
10K· 6.21 mi
59:12
Rank: #22398 (+985)
5K → 10K
28:12 | 9:05/mi
15K· 9.32 mi
1:27:24
Rank: #21918 (+480)
10K → 15K
28:12 | 9:05/mi
20K· 12.43 mi
1:56:17
Rank: #21693 (+225)
15K → 20K
28:53 | 9:18/mi
Half· 13.11 mi
2:02:31
Rank: #21653 (+40)
20K → Half
6:14 | 9:08/mi
25K· 15.53 mi
2:26:45
Rank: #21720 (-67)
Half → 25K
24:14 | 10:00/mi
30K· 18.64 mi
2:58:57
Rank: #21744 (-24)
25K → 30K
32:12 | 10:22/mi
20M
3:12:58
Rank: #21725 (+19)
30K → 20M
14:01 | 10:19/mi
21M
3:24:36
Rank: #21773 (-48)
20M → 21M
11:38 | 11:38/mi
35K· 21.75 mi
3:32:06
Rank: #21765 (+8)
21M → 35K
7:30 | 10:01/mi
23M
3:45:29
Rank: #21753 (+12)
35K → 23M
13:23 | 10:41/mi
24M
3:55:47
Rank: #21765 (-12)
23M → 24M
10:18 | 10:18/mi
40K· 24.85 mi
4:05:11
Rank: #21772 (-7)
24M → 40K
9:24 | 11:00/mi
25.2M
4:09:31
Rank: #21807 (-35)
40K → 25.2M
4:20 | 12:34/mi
Finish· 26.22 mi
4:19:14
Rank: #21760 (+47)
25.2M → Finish
9:43 | 9:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:31
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time2:16:43
Pace10:26 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1331:009:5931:00
9:59
-
10K
6.21 mi12:15:2559:129:3228:12
9:05
-0:54
15K
9.32 mi12:43:371:27:249:2328:12
9:05
0:00
20K
12.43 mi13:12:301:56:179:2128:53
9:18
+0:13
Half
13.11 mi13:18:442:02:319:216:14
9:08
-0:10
25K
15.53 mi13:42:582:26:459:2724:14
10:00
+0:52
30K
18.64 mi14:15:102:58:579:3632:12
10:22
+0:22
20M
20.00 mi14:29:113:12:589:3914:01
10:19
-0:03
21M
21.00 mi14:40:493:24:369:4511:38
11:38
+1:19
35K
21.75 mi14:48:193:32:069:457:30
10:01
-1:37
23M
23.00 mi15:01:423:45:299:4813:23
10:41
+0:40
24M
24.00 mi15:12:003:55:479:4910:18
10:18
-0:23
40K
24.85 mi15:21:244:05:119:529:24
11:00
+0:42
25.2M
25.20 mi15:25:444:09:319:544:20
12:34
+1:34
Finish
26.22 mi15:35:274:19:149:549:43
9:32
-3:02

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

9:05 /mi

Average Pace

9:54 /mi

Slowest Pace

12:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:14

39% of race

Time at Steady Pace

1:59:15

46% of race

Time at Slower Pace

38:45

15% of race

Average Pace: 9:53 /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 mi11:47:1331:009:5931:00
9:59
#23383
10K
6.21 mi12:15:2559:129:3228:12
9:05
#22398
15K
9.32 mi12:43:371:27:249:2328:12
9:05
#21918
20K
12.43 mi13:12:301:56:179:2128:53
9:18
#21693
Half
13.11 mi13:18:442:02:319:216:14
9:08
#21653
25K
15.53 mi13:42:582:26:459:2724:14
10:00
#21720
30K
18.64 mi14:15:102:58:579:3632:12
10:22
#21744
20M
20.00 mi14:29:113:12:589:3914:01
10:19
#21725
21M
21.00 mi14:40:493:24:369:4511:38
11:38
#21773
35K
21.75 mi14:48:193:32:069:457:30
10:01
#21765
23M
23.00 mi15:01:423:45:299:4813:23
10:41
#21753
24M
24.00 mi15:12:003:55:479:4910:18
10:18
#21765
40K
24.85 mi15:21:244:05:119:529:24
11:00
#21772
25.2M
25.20 mi15:25:444:09:319:544:20
12:34
#21807
Finish
26.22 mi15:35:274:19:149:549:43
9:32
#21760
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi233839592959220852(Top 78%)8157(Top 71%)8157(Top 167%)
10K6.21 mi3.10 mi22398+9859051+5419051+54121187(Top 80%)8378(Top 73%)8378(Top 172%)
15K9.32 mi3.11 mi21918+4808795+2568795+25620852(Top 78%)8157(Top 71%)8157(Top 167%)
20K12.43 mi3.11 mi21693+2258657+1388657+13820962(Top 79%)8217(Top 72%)8217(Top 168%)
Half13.11 mi0.68 mi21653+408639+188639+1820998(Top 79%)8254(Top 72%)8254(Top 169%)
25K15.53 mi2.42 mi21720-678668-298668-2922216(Top 83%)8954(Top 78%)8954(Top 183%)
30K18.64 mi3.11 mi21744-248688-208688-2021923(Top 82%)8863(Top 78%)8863(Top 181%)
20M20.00 mi1.36 mi21725+198690-28690-221314(Top 80%)8591(Top 75%)8591(Top 176%)
21M21.00 mi1.00 mi21773-488727-378727-3722126(Top 83%)9065(Top 79%)9065(Top 186%)
35K21.75 mi0.75 mi21765+88732-58732-521357(Top 80%)8687(Top 76%)8687(Top 178%)
23M23.00 mi1.25 mi21753+128744-128744-1221734(Top 82%)8924(Top 78%)8924(Top 183%)
24M24.00 mi1.00 mi21765-128759-158759-1521573(Top 81%)8883(Top 78%)8883(Top 182%)
40K24.85 mi0.85 mi21772-78775-168775-1622349(Top 84%)9318(Top 82%)9318(Top 191%)
25.2M25.20 mi0.35 mi21807-358794-198794-1923391(Top 88%)9873(Top 86%)9873(Top 202%)
Finish26.22 mi1.02 mi21760+478773+218773+2120271(Top 76%)8164(Top 71%)8164(Top 167%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

20852

Females

8157

F18-39

8157

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

21187

Females

8378

F18-39

8378

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

20852

Females

8157

F18-39

8157

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

20962

Females

8217

F18-39

8217

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

20998

Females

8254

F18-39

8254

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22216

Females

8954

F18-39

8954

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21923

Females

8863

F18-39

8863

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21314

Females

8591

F18-39

8591

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22126

Females

9065

F18-39

9065

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21357

Females

8687

F18-39

8687

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21734

Females

8924

F18-39

8924

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21573

Females

8883

F18-39

8883

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22349

Females

9318

F18-39

9318

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23391

Females

9873

F18-39

9873

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

20271

Females

8164

F18-39

8164

Passing Analysis

Category:
Athletes Passed
2373
Passed By
750
Net Change
+1623
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23383
5K → 10K99914+985#23383#22398
10K → 15K50525+480#22398#21918
15K → 20K25631+225#21918#21693
20K → Half488+40#21693#21653
Half → 25K84151-67#21653#21720
25K → 30K137161-24#21720#21744
30K → 20M6445+19#21744#21725
20M → 21M4088-48#21725#21773
21M → 35K3830+8#21773#21765
35K → 23M6957+12#21765#21753
23M → 24M3547-12#21753#21765
24M → 40K3441-7#21765#21772
40K → 25.2M944-35#21772#21807
25.2M → Finish558+47#21807#21760
TOTALS2373750+1623
📊

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