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BOSTON MARATHON 2023

Arielle Knutson

Bib: 13862•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:07
Rank: #9163
Start → 5K
23:07 | 7:26/mi
10K· 6.21 mi
45:44
Rank: #8896 (+267)
5K → 10K
22:37 | 7:17/mi
15K· 9.32 mi
1:08:36
Rank: #8917 (-21)
10K → 15K
22:52 | 7:22/mi
20K· 12.43 mi
1:31:49
Rank: #8911 (+6)
15K → 20K
23:13 | 7:28/mi
Half· 13.11 mi
1:36:45
Rank: #8862 (+49)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:55:02
Rank: #8870 (-8)
Half → 25K
18:17 | 7:32/mi
30K· 18.64 mi
2:19:10
Rank: #8880 (-10)
25K → 30K
24:08 | 7:46/mi
20M
2:29:45
Rank: #8854 (+26)
30K → 20M
10:35 | 7:47/mi
21M
2:38:07
Rank: #8882 (-28)
20M → 21M
8:22 | 8:22/mi
35K· 21.75 mi
2:43:45
Rank: #8861 (+21)
21M → 35K
5:38 | 7:32/mi
23M
2:53:31
Rank: #8814 (+47)
35K → 23M
9:46 | 7:48/mi
24M
3:01:25
Rank: #8849 (-35)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:08:16
Rank: #8890 (-41)
24M → 40K
6:51 | 8:01/mi
25.2M
3:11:20
Rank: #8922 (-32)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:19:16
Rank: #8963 (-41)
25.2M → Finish
7:56 | 7:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:45
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:42:31
Pace7:49 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5923:077:2623:07
7:26
-
10K
6.21 mi11:13:3645:447:2222:37
7:17
-0:09
15K
9.32 mi11:36:281:08:367:2222:52
7:22
+0:05
20K
12.43 mi11:59:411:31:497:2323:13
7:28
+0:06
Half
13.11 mi12:04:371:36:457:234:56
7:14
-0:14
25K
15.53 mi12:22:541:55:027:2418:17
7:32
+0:18
30K
18.64 mi12:47:022:19:107:2824:08
7:46
+0:14
20M
20.00 mi12:57:372:29:457:2910:35
7:47
+0:01
21M
21.00 mi13:05:592:38:077:328:22
8:22
+0:35
35K
21.75 mi13:11:372:43:457:325:38
7:32
-0:50
23M
23.00 mi13:21:232:53:317:339:46
7:48
+0:16
24M
24.00 mi13:29:173:01:257:347:54
7:54
+0:06
40K
24.85 mi13:36:083:08:167:346:51
8:01
+0:07
25.2M
25.20 mi13:39:123:11:207:363:04
8:54
+0:53
Finish
26.22 mi13:47:083:19:167:367:56
7:47
-1:07

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

7:14 /mi

Average Pace

7:36 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:40

61% of race

Time at Steady Pace

1:00:19

30% of race

Time at Slower Pace

18:17

9% of race

Average Pace: 7:36 /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 mi10:50:5923:077:2623:07
7:26
#9163
10K
6.21 mi11:13:3645:447:2222:37
7:17
#8896
15K
9.32 mi11:36:281:08:367:2222:52
7:22
#8917
20K
12.43 mi11:59:411:31:497:2323:13
7:28
#8911
Half
13.11 mi12:04:371:36:457:234:56
7:14
#8862
25K
15.53 mi12:22:541:55:027:2418:17
7:32
#8870
30K
18.64 mi12:47:022:19:107:2824:08
7:46
#8880
20M
20.00 mi12:57:372:29:457:2910:35
7:47
#8854
21M
21.00 mi13:05:592:38:077:328:22
8:22
#8882
35K
21.75 mi13:11:372:43:457:325:38
7:32
#8861
23M
23.00 mi13:21:232:53:317:339:46
7:48
#8814
24M
24.00 mi13:29:173:01:257:347:54
7:54
#8849
40K
24.85 mi13:36:083:08:167:346:51
8:01
#8890
25.2M
25.20 mi13:39:123:11:207:363:04
8:54
#8922
Finish
26.22 mi13:47:083:19:167:367:56
7:47
#8963
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9163145714579030(Top 34%)1462(Top 13%)1462(Top 30%)
10K6.21 mi3.10 mi8896+2671370+871370+878731(Top 33%)1316(Top 12%)1316(Top 27%)
15K9.32 mi3.11 mi8917-211397-271397-279030(Top 34%)1462(Top 13%)1462(Top 30%)
20K12.43 mi3.11 mi8911+61403-61403-69115(Top 34%)1535(Top 13%)1535(Top 31%)
Half13.11 mi0.68 mi8862+491383+201383+208158(Top 31%)1164(Top 10%)1164(Top 24%)
25K15.53 mi2.42 mi8870-81397-141397-149098(Top 34%)1591(Top 14%)1591(Top 33%)
30K18.64 mi3.11 mi8880-101440-431440-439113(Top 34%)1751(Top 15%)1751(Top 36%)
20M20.00 mi1.36 mi8854+261448-81448-88787(Top 33%)1707(Top 15%)1707(Top 35%)
21M21.00 mi1.00 mi8882-281475-271475-279653(Top 36%)2209(Top 19%)2209(Top 45%)
35K21.75 mi0.75 mi8861+211483-81483-88771(Top 33%)1804(Top 16%)1804(Top 37%)
23M23.00 mi1.25 mi8814+471497-141497-148442(Top 32%)1769(Top 15%)1769(Top 36%)
24M24.00 mi1.00 mi8849-351542-451542-4510528(Top 40%)2835(Top 25%)2835(Top 58%)
40K24.85 mi0.85 mi8890-411576-341576-3410141(Top 38%)2713(Top 24%)2713(Top 56%)
25.2M25.20 mi0.35 mi8922-321591-151591-1511910(Top 45%)3648(Top 32%)3648(Top 75%)
Finish26.22 mi1.02 mi8963-411627-361627-3610579(Top 40%)2971(Top 26%)2971(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9030

Females

1462

F18-39

1462

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8731

Females

1316

F18-39

1316

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9030

Females

1462

F18-39

1462

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9115

Females

1535

F18-39

1535

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8158

Females

1164

F18-39

1164

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9098

Females

1591

F18-39

1591

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9113

Females

1751

F18-39

1751

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8787

Females

1707

F18-39

1707

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9653

Females

2209

F18-39

2209

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8771

Females

1804

F18-39

1804

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8442

Females

1769

F18-39

1769

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10528

Females

2835

F18-39

2835

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10141

Females

2713

F18-39

2713

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11910

Females

3648

F18-39

3648

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10579

Females

2971

F18-39

2971

Passing Analysis

Category:
Athletes Passed
1473
Passed By
1273
Net Change
+200
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9163
5K → 10K423156+267#9163#8896
10K → 15K135156-21#8896#8917
15K → 20K131125+6#8917#8911
20K → Half545+49#8911#8862
Half → 25K93101-8#8862#8870
25K → 30K175185-10#8870#8880
30K → 20M8458+26#8880#8854
20M → 21M6896-28#8854#8882
21M → 35K5837+21#8882#8861
35K → 23M9649+47#8861#8814
23M → 24M5388-35#8814#8849
24M → 40K4081-41#8849#8890
40K → 25.2M1648-32#8890#8922
25.2M → Finish4788-41#8922#8963
TOTALS14731273+200
📊

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