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BOSTON MARATHON 2023

Maddy Vanblunk

Bib: 13173•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Division (F18-39)
#0 / 4884
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:23
Rank: #9873
Start → 5K
23:23 | 7:32/mi
10K· 6.21 mi
46:29
Rank: #9852 (+21)
5K → 10K
23:06 | 7:26/mi
15K· 9.32 mi
1:09:31
Rank: #9678 (+174)
10K → 15K
23:02 | 7:25/mi
20K· 12.43 mi
1:33:51
Rank: #10293 (-615)
15K → 20K
24:20 | 7:50/mi
Half· 13.11 mi
1:38:57
Rank: #10275 (+18)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:58:29
Rank: #10713 (-438)
Half → 25K
19:32 | 8:03/mi
30K· 18.64 mi
2:22:44
Rank: #10411 (+302)
25K → 30K
24:15 | 7:48/mi
20M
2:33:32
Rank: #10375 (+36)
30K → 20M
10:48 | 7:57/mi
21M
2:42:00
Rank: #10343 (+32)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:47:49
Rank: #10329 (+14)
21M → 35K
5:49 | 7:46/mi
23M
2:57:55
Rank: #10295 (+34)
35K → 23M
10:06 | 8:04/mi
24M
3:05:53
Rank: #10306 (-11)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:13:01
Rank: #10366 (-60)
24M → 40K
7:08 | 8:21/mi
25.2M
3:16:06
Rank: #10384 (-18)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:24:19
Rank: #10454 (-70)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:57
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:45:22
Pace8:02 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2723:237:3223:23
7:32
-
10K
6.21 mi11:14:3346:297:2923:06
7:26
-0:06
15K
9.32 mi11:37:351:09:317:2823:02
7:25
-0:01
20K
12.43 mi12:01:551:33:517:3324:20
7:50
+0:25
Half
13.11 mi12:07:011:38:577:335:06
7:29
-0:21
25K
15.53 mi12:26:331:58:297:3819:32
8:03
+0:34
30K
18.64 mi12:50:482:22:447:3924:15
7:48
-0:15
20M
20.00 mi13:01:362:33:327:4110:48
7:57
+0:09
21M
21.00 mi13:10:042:42:007:438:28
8:28
+0:31
35K
21.75 mi13:15:532:47:497:435:49
7:46
-0:42
23M
23.00 mi13:25:592:57:557:4410:06
8:04
+0:18
24M
24.00 mi13:33:573:05:537:457:58
7:58
-0:06
40K
24.85 mi13:41:053:13:017:467:08
8:21
+0:23
25.2M
25.20 mi13:44:103:16:067:473:05
8:56
+0:35
Finish
26.22 mi13:52:233:24:197:488:13
8:04
-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

7:25 /mi

Average Pace

7:48 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:37

37% of race

Time at Steady Pace

1:51:01

54% of race

Time at Slower Pace

18:41

9% of race

Average Pace: 7:48 /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 mi10:51:2723:237:3223:23
7:32
#9873
10K
6.21 mi11:14:3346:297:2923:06
7:26
#9852
15K
9.32 mi11:37:351:09:317:2823:02
7:25
#9678
20K
12.43 mi12:01:551:33:517:3324:20
7:50
#10293
Half
13.11 mi12:07:011:38:577:335:06
7:29
#10275
25K
15.53 mi12:26:331:58:297:3819:32
8:03
#10713
30K
18.64 mi12:50:482:22:447:3924:15
7:48
#10411
20M
20.00 mi13:01:362:33:327:4110:48
7:57
#10375
21M
21.00 mi13:10:042:42:007:438:28
8:28
#10343
35K
21.75 mi13:15:532:47:497:435:49
7:46
#10329
23M
23.00 mi13:25:592:57:557:4410:06
8:04
#10295
24M
24.00 mi13:33:573:05:537:457:58
7:58
#10306
40K
24.85 mi13:41:053:13:017:467:08
8:21
#10366
25.2M
25.20 mi13:44:103:16:067:473:05
8:56
#10384
Finish
26.22 mi13:52:233:24:197:488:13
8:04
#10454
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9873179917999471(Top 36%)1613(Top 14%)1613(Top 33%)
10K6.21 mi3.10 mi9852+211770+291770+299942(Top 37%)1792(Top 16%)1792(Top 37%)
15K9.32 mi3.11 mi9678+1741699+711699+719471(Top 36%)1613(Top 14%)1613(Top 33%)
20K12.43 mi3.11 mi10293-6151973-2741973-27412008(Top 45%)2975(Top 26%)2975(Top 61%)
Half13.11 mi0.68 mi10275+181962+111962+1110108(Top 38%)1944(Top 17%)1944(Top 40%)
25K15.53 mi2.42 mi10713-4382206-2442206-24413195(Top 50%)3738(Top 33%)3738(Top 77%)
30K18.64 mi3.11 mi10411+3022107+992107+999417(Top 35%)1899(Top 17%)1899(Top 39%)
20M20.00 mi1.36 mi10375+362109-22109-29911(Top 37%)2191(Top 19%)2191(Top 45%)
21M21.00 mi1.00 mi10343+322120-112120-1110307(Top 39%)2534(Top 22%)2534(Top 52%)
35K21.75 mi0.75 mi10329+142126-62126-610503(Top 39%)2603(Top 23%)2603(Top 53%)
23M23.00 mi1.25 mi10295+342143-172143-1710250(Top 39%)2621(Top 23%)2621(Top 54%)
24M24.00 mi1.00 mi10306-112177-342177-3411018(Top 41%)3091(Top 27%)3091(Top 63%)
40K24.85 mi0.85 mi10366-602238-612238-6112338(Top 46%)3838(Top 34%)3838(Top 79%)
25.2M25.20 mi0.35 mi10384-182265-272265-2712195(Top 46%)3808(Top 33%)3808(Top 78%)
Finish26.22 mi1.02 mi10454-702322-572322-5712566(Top 47%)3983(Top 35%)3983(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9471

Females

1613

F18-39

1613

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9942

Females

1792

F18-39

1792

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9471

Females

1613

F18-39

1613

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

12008

Females

2975

F18-39

2975

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10108

Females

1944

F18-39

1944

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13195

Females

3738

F18-39

3738

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9417

Females

1899

F18-39

1899

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9911

Females

2191

F18-39

2191

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10307

Females

2534

F18-39

2534

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10503

Females

2603

F18-39

2603

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10250

Females

2621

F18-39

2621

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11018

Females

3091

F18-39

3091

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12338

Females

3838

F18-39

3838

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12195

Females

3808

F18-39

3808

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12566

Females

3983

F18-39

3983

Passing Analysis

Category:
Athletes Passed
1590*
Passed By
2170
Net Change
-581
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9873
5K → 10K331310+21#9873#9852
10K → 15K26793+174#9852#9678
15K → 20K40654-615#9678#10293
20K → Half3618+18#10293#10275
Half → 25K34472-438#10275#10713
25K → 30K34745+302#10713#10411
30K → 20M88*52+36#10411#10375
20M → 21M10472+32#10375#10343
21M → 35K5541+14#10343#10329
35K → 23M10167+34#10329#10295
23M → 24M5263-11#10295#10306
24M → 40K56116-60#10306#10366
40K → 25.2M2543-18#10366#10384
25.2M → Finish54124-70#10384#10454
TOTALS1590*2170-581

* 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