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BOSTON MARATHON 2023

Katie Van Arendonk

Bib: 14331•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 18%
Masters (Masters Women)
#0 / 6539
Top 8%
Division (F40-44)
#0 / 1878
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
23:12
Rank: #9372
Start → 5K
23:12 | 7:28/mi
10K· 6.21 mi
45:41
Rank: #8837 (+535)
5K → 10K
22:29 | 7:14/mi
15K· 9.32 mi
1:08:18
Rank: #8679 (+158)
10K → 15K
22:37 | 7:17/mi
20K· 12.43 mi
1:31:13
Rank: #8553 (+126)
15K → 20K
22:55 | 7:23/mi
Half· 13.11 mi
1:36:14
Rank: #8579 (-26)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:55:35
Rank: #9146 (-567)
Half → 25K
19:21 | 7:59/mi
30K· 18.64 mi
2:20:25
Rank: #9426 (-280)
25K → 30K
24:50 | 8:00/mi
20M
2:31:36
Rank: #9600 (-174)
30K → 20M
11:11 | 8:14/mi
21M
2:40:23
Rank: #9716 (-116)
20M → 21M
8:47 | 8:47/mi
35K· 21.75 mi
2:45:53
Rank: #9623 (+93)
21M → 35K
5:30 | 7:21/mi
23M
2:55:49
Rank: #9564 (+59)
35K → 23M
9:56 | 7:56/mi
24M
3:03:42
Rank: #9582 (-18)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
3:10:59
Rank: #9703 (-121)
24M → 40K
7:17 | 8:31/mi
25.2M
3:14:13
Rank: #9780 (-77)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:22:55
Rank: #10029 (-249)
25.2M → Finish
8:42 | 8:32/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:14
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:46:41
Pace8:08 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4323:127:2823:12
7:28
-
10K
6.21 mi11:16:1245:417:2122:29
7:14
-0:14
15K
9.32 mi11:38:491:08:187:2022:37
7:17
+0:03
20K
12.43 mi12:01:441:31:137:2022:55
7:23
+0:06
Half
13.11 mi12:06:451:36:147:205:01
7:21
-0:02
25K
15.53 mi12:26:061:55:357:2619:21
7:59
+0:38
30K
18.64 mi12:50:562:20:257:3224:50
8:00
+0:01
20M
20.00 mi13:02:072:31:367:3511:11
8:14
+0:14
21M
21.00 mi13:10:542:40:237:388:47
8:47
+0:33
35K
21.75 mi13:16:242:45:537:385:30
7:21
-1:26
23M
23.00 mi13:26:202:55:497:399:56
7:56
+0:35
24M
24.00 mi13:34:133:03:427:397:53
7:53
-0:03
40K
24.85 mi13:41:303:10:597:417:17
8:31
+0:38
25.2M
25.20 mi13:44:443:14:137:423:14
9:23
+0:52
Finish
26.22 mi13:53:263:22:557:458:42
8:32
-0:51

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

7:45 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:41:44

50% of race

Time at Steady Pace

1:13:11

36% of race

Time at Slower Pace

28:00

14% of race

Average Pace: 7:44 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:53:4323:127:2823:12
7:28
#9372
10K
6.21 mi11:16:1245:417:2122:29
7:14
#8837
15K
9.32 mi11:38:491:08:187:2022:37
7:17
#8679
20K
12.43 mi12:01:441:31:137:2022:55
7:23
#8553
Half
13.11 mi12:06:451:36:147:205:01
7:21
#8579
25K
15.53 mi12:26:061:55:357:2619:21
7:59
#9146
30K
18.64 mi12:50:562:20:257:3224:50
8:00
#9426
20M
20.00 mi13:02:072:31:367:3511:11
8:14
#9600
21M
21.00 mi13:10:542:40:237:388:47
8:47
#9716
35K
21.75 mi13:16:242:45:537:385:30
7:21
#9623
23M
23.00 mi13:26:202:55:497:399:56
7:56
#9564
24M
24.00 mi13:34:133:03:427:397:53
7:53
#9582
40K
24.85 mi13:41:303:10:597:417:17
8:31
#9703
25.2M
25.20 mi13:44:443:14:137:423:14
9:23
#9780
Finish
26.22 mi13:53:263:22:557:458:42
8:32
#10029
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi9372156715678422(Top 32%)1226(Top 11%)1226(Top 65%)
10K6.21 mi3.10 mi8837+5351344+2231344+2238391(Top 32%)1193(Top 10%)1193(Top 64%)
15K9.32 mi3.11 mi8679+1581294+501294+508422(Top 32%)1226(Top 11%)1226(Top 65%)
20K12.43 mi3.11 mi8553+1261262+321262+328352(Top 31%)1247(Top 11%)1247(Top 66%)
Half13.11 mi0.68 mi8579-261268-61268-69111(Top 34%)1535(Top 13%)1535(Top 82%)
25K15.53 mi2.42 mi9146-5671499-2311499-23112586(Top 47%)3403(Top 30%)3403(Top 181%)
30K18.64 mi3.11 mi9426-2801659-1601659-16010852(Top 41%)2563(Top 22%)2563(Top 136%)
20M20.00 mi1.36 mi9600-1741752-931752-9311886(Top 45%)3202(Top 28%)3202(Top 171%)
21M21.00 mi1.00 mi9716-1161812-601812-6012162(Top 46%)3483(Top 30%)3483(Top 185%)
35K21.75 mi0.75 mi9623+931791+211791+217545(Top 28%)1337(Top 12%)1337(Top 71%)
23M23.00 mi1.25 mi9564+591796-51796-59322(Top 35%)2182(Top 19%)2182(Top 116%)
24M24.00 mi1.00 mi9582-181835-391835-3910422(Top 39%)2788(Top 24%)2788(Top 148%)
40K24.85 mi0.85 mi9703-1211911-761911-7613470(Top 51%)4447(Top 39%)4447(Top 237%)
25.2M25.20 mi0.35 mi9780-771972-611972-6114568(Top 55%)5034(Top 44%)5034(Top 268%)
Finish26.22 mi1.02 mi10029-2492108-1362108-13615630(Top 59%)5598(Top 49%)5598(Top 298%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8422

Females

1226

F40-44

1226

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8391

Females

1193

F40-44

1193

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8422

Females

1226

F40-44

1226

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8352

Females

1247

F40-44

1247

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9111

Females

1535

F40-44

1535

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12586

Females

3403

F40-44

3403

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10852

Females

2563

F40-44

2563

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11886

Females

3202

F40-44

3202

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12162

Females

3483

F40-44

3483

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7545

Females

1337

F40-44

1337

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9322

Females

2182

F40-44

2182

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10422

Females

2788

F40-44

2788

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13470

Females

4447

F40-44

4447

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14568

Females

5034

F40-44

5034

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15630

Females

5598

F40-44

5598

Passing Analysis

Category:
Athletes Passed
1580*
Passed By
2236
Net Change
-657
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9372
5K → 10K61277+535#9372#8837
10K → 15K23072+158#8837#8679
15K → 20K19771+126#8679#8553
20K → Half1541-26#8553#8579
Half → 25K15582-567#8579#9146
25K → 30K92372-280#9146#9426
30K → 20M42216-174#9426#9600
20M → 21M40156-116#9600#9716
21M → 35K985+93#9716#9623
35K → 23M12263+59#9623#9564
23M → 24M5573-18#9564#9582
24M → 40K26*147-121#9582#9703
40K → 25.2M1996-77#9703#9780
25.2M → Finish17265-249#9780#10029
TOTALS1580*2236-657

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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