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BOSTON MARATHON 2023

Loes Olde Loohuis

Bib: 12947•F

CA

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
23:26
Rank: #10019
Start → 5K
23:26 | 7:33/mi
10K· 6.21 mi
46:32
Rank: #9920 (+99)
5K → 10K
23:06 | 7:26/mi
15K· 9.32 mi
1:09:45
Rank: #9890 (+30)
10K → 15K
23:13 | 7:28/mi
20K· 12.43 mi
1:33:10
Rank: #9806 (+84)
15K → 20K
23:25 | 7:32/mi
Half· 13.11 mi
1:38:14
Rank: #9789 (+17)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:56:26
Rank: #9606 (+183)
Half → 25K
18:12 | 7:30/mi
30K· 18.64 mi
2:20:25
Rank: #9424 (+182)
25K → 30K
23:59 | 7:43/mi
20M
2:30:51
Rank: #9291 (+133)
30K → 20M
10:26 | 7:41/mi
21M
2:39:04
Rank: #9226 (+65)
20M → 21M
8:13 | 8:13/mi
35K· 21.75 mi
2:44:38
Rank: #9164 (+62)
21M → 35K
5:34 | 7:26/mi
23M
2:54:18
Rank: #9065 (+99)
35K → 23M
9:40 | 7:43/mi
24M
3:01:56
Rank: #9029 (+36)
23M → 24M
7:38 | 7:38/mi
40K· 24.85 mi
3:08:35
Rank: #8988 (+41)
24M → 40K
6:39 | 7:47/mi
25.2M
3:11:30
Rank: #8976 (+12)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:19:12
Rank: #8943 (+33)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:14
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:40:58
Pace7:42 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3023:267:3323:26
7:33
-
10K
6.21 mi11:14:3646:327:2923:06
7:26
-0:07
15K
9.32 mi11:37:491:09:457:2923:13
7:28
+0:02
20K
12.43 mi12:01:141:33:107:3023:25
7:32
+0:04
Half
13.11 mi12:06:181:38:147:305:04
7:26
-0:06
25K
15.53 mi12:24:301:56:267:3018:12
7:30
+0:04
30K
18.64 mi12:48:292:20:257:3223:59
7:43
+0:13
20M
20.00 mi12:58:552:30:517:3310:26
7:41
-0:02
21M
21.00 mi13:07:082:39:047:348:13
8:13
+0:32
35K
21.75 mi13:12:422:44:387:345:34
7:26
-0:47
23M
23.00 mi13:22:222:54:187:359:40
7:43
+0:17
24M
24.00 mi13:30:003:01:567:357:38
7:38
-0:05
40K
24.85 mi13:36:393:08:357:356:39
7:47
+0:09
25.2M
25.20 mi13:39:343:11:307:362:55
8:27
+0:40
Finish
26.22 mi13:47:163:19:127:367:42
7:33
-0:54

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

7:26 /mi

Average Pace

7:36 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:04

94% of race

Time at Steady Pace

11:08

6% of race

Time at Slower Pace

0:00

0% 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 mi10:51:3023:267:3323:26
7:33
#10019
10K
6.21 mi11:14:3646:327:2923:06
7:26
#9920
15K
9.32 mi11:37:491:09:457:2923:13
7:28
#9890
20K
12.43 mi12:01:141:33:107:3023:25
7:32
#9806
Half
13.11 mi12:06:181:38:147:305:04
7:26
#9789
25K
15.53 mi12:24:301:56:267:3018:12
7:30
#9606
30K
18.64 mi12:48:292:20:257:3223:59
7:43
#9424
20M
20.00 mi12:58:552:30:517:3310:26
7:41
#9291
21M
21.00 mi13:07:082:39:047:348:13
8:13
#9226
35K
21.75 mi13:12:422:44:387:345:34
7:26
#9164
23M
23.00 mi13:22:222:54:187:359:40
7:43
#9065
24M
24.00 mi13:30:003:01:567:357:38
7:38
#9029
40K
24.85 mi13:36:393:08:357:356:39
7:47
#8988
25.2M
25.20 mi13:39:343:11:307:362:55
8:27
#8976
Finish
26.22 mi13:47:163:19:127:367:42
7:33
#8943
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10019186818689962(Top 37%)1822(Top 16%)1822(Top 37%)
10K6.21 mi3.10 mi9920+991804+641804+649938(Top 37%)1788(Top 16%)1788(Top 37%)
15K9.32 mi3.11 mi9890+301779+251779+259962(Top 37%)1822(Top 16%)1822(Top 37%)
20K12.43 mi3.11 mi9806+841756+231756+239626(Top 36%)1744(Top 15%)1744(Top 36%)
Half13.11 mi0.68 mi9789+171745+111745+119666(Top 36%)1737(Top 15%)1737(Top 36%)
25K15.53 mi2.42 mi9606+1831691+541691+548855(Top 33%)1506(Top 13%)1506(Top 31%)
30K18.64 mi3.11 mi9424+1821657+341657+348796(Top 33%)1629(Top 14%)1629(Top 33%)
20M20.00 mi1.36 mi9291+1331630+271630+278051(Top 30%)1426(Top 12%)1426(Top 29%)
21M21.00 mi1.00 mi9226+651625+51625+58717(Top 33%)1802(Top 16%)1802(Top 37%)
35K21.75 mi0.75 mi9164+621613+121613+128144(Top 31%)1562(Top 14%)1562(Top 32%)
23M23.00 mi1.25 mi9065+991595+181595+187889(Top 30%)1536(Top 13%)1536(Top 31%)
24M24.00 mi1.00 mi9029+361608-131608-138650(Top 32%)1937(Top 17%)1937(Top 40%)
40K24.85 mi0.85 mi8988+411607+11607+18558(Top 32%)1960(Top 17%)1960(Top 40%)
25.2M25.20 mi0.35 mi8976+121608-11608-19287(Top 35%)2346(Top 21%)2346(Top 48%)
Finish26.22 mi1.02 mi8943+331616-81616-88975(Top 34%)2226(Top 19%)2226(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9962

Females

1822

F18-39

1822

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9938

Females

1788

F18-39

1788

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9962

Females

1822

F18-39

1822

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9626

Females

1744

F18-39

1744

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9666

Females

1737

F18-39

1737

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8855

Females

1506

F18-39

1506

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8796

Females

1629

F18-39

1629

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8051

Females

1426

F18-39

1426

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8717

Females

1802

F18-39

1802

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8144

Females

1562

F18-39

1562

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7889

Females

1536

F18-39

1536

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8650

Females

1937

F18-39

1937

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8558

Females

1960

F18-39

1960

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9287

Females

2346

F18-39

2346

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

8975

Females

2226

F18-39

2226

Passing Analysis

Category:
Athletes Passed
1996*
Passed By
920
Net Change
+1076
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10019
5K → 10K359*260+99#10019#9920
10K → 15K193163+30#9920#9890
15K → 20K202*118+84#9890#9806
20K → Half3417+17#9806#9789
Half → 25K21936+183#9789#9606
25K → 30K260*78+182#9606#9424
30K → 20M15421+133#9424#9291
20M → 21M11449+65#9291#9226
21M → 35K7412+62#9226#9164
35K → 23M13233+99#9164#9065
23M → 24M8044+36#9065#9029
24M → 40K6726+41#9029#8988
40K → 25.2M3624+12#8988#8976
25.2M → Finish7239+33#8976#8943
TOTALS1996*920+1076

* 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