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BOSTON MARATHON 2023

Karie Nordland

Bib: 13451•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 25%
Division (F18-39)
#0 / 4884
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:05
Rank: #11944
Start → 5K
24:05 | 7:45/mi
10K· 6.21 mi
48:05
Rank: #12174 (-230)
5K → 10K
24:00 | 7:43/mi
15K· 9.32 mi
1:12:09
Rank: #12164 (+10)
10K → 15K
24:04 | 7:45/mi
20K· 12.43 mi
1:36:40
Rank: #12203 (-39)
15K → 20K
24:31 | 7:53/mi
Half· 13.11 mi
1:41:59
Rank: #12231 (-28)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:01:12
Rank: #12190 (+41)
Half → 25K
19:13 | 7:56/mi
30K· 18.64 mi
2:26:34
Rank: #12148 (+42)
25K → 30K
25:22 | 8:10/mi
20M
2:37:37
Rank: #12051 (+97)
30K → 20M
11:03 | 8:08/mi
21M
2:46:09
Rank: #11964 (+87)
20M → 21M
8:32 | 8:32/mi
35K· 21.75 mi
2:52:00
Rank: #11917 (+47)
21M → 35K
5:51 | 7:49/mi
23M
3:02:18
Rank: #11861 (+56)
35K → 23M
10:18 | 8:14/mi
24M
3:10:13
Rank: #11796 (+65)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
3:17:06
Rank: #11737 (+59)
24M → 40K
6:53 | 8:03/mi
25.2M
3:20:03
Rank: #11693 (+44)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:27:49
Rank: #11559 (+134)
25.2M → Finish
7:46 | 7:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:59
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:45:50
Pace8:04 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4724:057:4524:05
7:45
-
10K
6.21 mi11:16:4748:057:4424:00
7:43
-0:02
15K
9.32 mi11:40:511:12:097:4424:04
7:45
+0:02
20K
12.43 mi12:05:221:36:407:4724:31
7:53
+0:08
Half
13.11 mi12:10:411:41:597:475:19
7:48
-0:05
25K
15.53 mi12:29:542:01:127:4819:13
7:56
+0:08
30K
18.64 mi12:55:162:26:347:5225:22
8:10
+0:14
20M
20.00 mi13:06:192:37:377:5311:03
8:08
-0:02
21M
21.00 mi13:14:512:46:097:558:32
8:32
+0:24
35K
21.75 mi13:20:422:52:007:555:51
7:49
-0:43
23M
23.00 mi13:31:003:02:187:5610:18
8:14
+0:25
24M
24.00 mi13:38:553:10:137:567:55
7:55
-0:19
40K
24.85 mi13:45:483:17:067:566:53
8:03
+0:08
25.2M
25.20 mi13:48:453:20:037:562:57
8:33
+0:30
Finish
26.22 mi13:56:313:27:497:567:46
7:37
-0:56

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

7:37 /mi

Average Pace

7:56 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:20

94% of race

Time at Steady Pace

11:29

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi10:52:4724:057:4524:05
7:45
#11944
10K
6.21 mi11:16:4748:057:4424:00
7:43
#12174
15K
9.32 mi11:40:511:12:097:4424:04
7:45
#12164
20K
12.43 mi12:05:221:36:407:4724:31
7:53
#12203
Half
13.11 mi12:10:411:41:597:475:19
7:48
#12231
25K
15.53 mi12:29:542:01:127:4819:13
7:56
#12190
30K
18.64 mi12:55:162:26:347:5225:22
8:10
#12148
20M
20.00 mi13:06:192:37:377:5311:03
8:08
#12051
21M
21.00 mi13:14:512:46:097:558:32
8:32
#11964
35K
21.75 mi13:20:422:52:007:555:51
7:49
#11917
23M
23.00 mi13:31:003:02:187:5610:18
8:14
#11861
24M
24.00 mi13:38:553:10:137:567:55
7:55
#11796
40K
24.85 mi13:45:483:17:067:566:53
8:03
#11737
25.2M
25.20 mi13:48:453:20:037:562:57
8:33
#11693
Finish
26.22 mi13:56:313:27:497:567:46
7:37
#11559
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi119442837283712272(Top 46%)3059(Top 27%)3059(Top 63%)
10K6.21 mi3.10 mi12174-2302960-1232960-12312482(Top 47%)3138(Top 27%)3138(Top 64%)
15K9.32 mi3.11 mi12164+102986-262986-2612272(Top 46%)3059(Top 27%)3059(Top 63%)
20K12.43 mi3.11 mi12203-393036-503036-5012552(Top 47%)3283(Top 29%)3283(Top 67%)
Half13.11 mi0.68 mi12231-283055-193055-1912687(Top 48%)3293(Top 29%)3293(Top 67%)
25K15.53 mi2.42 mi12190+413046+93046+912115(Top 46%)3142(Top 28%)3142(Top 64%)
30K18.64 mi3.11 mi12148+423059-133059-1312100(Top 45%)3238(Top 28%)3238(Top 66%)
20M20.00 mi1.36 mi12051+973035+243035+2411253(Top 42%)2849(Top 25%)2849(Top 58%)
21M21.00 mi1.00 mi11964+872991+442991+4410698(Top 40%)2724(Top 24%)2724(Top 56%)
35K21.75 mi0.75 mi11917+472977+142977+1410844(Top 41%)2796(Top 24%)2796(Top 57%)
23M23.00 mi1.25 mi11861+562967+102967+1011386(Top 43%)3201(Top 28%)3201(Top 66%)
24M24.00 mi1.00 mi11796+652949+182949+1810683(Top 40%)2927(Top 26%)2927(Top 60%)
40K24.85 mi0.85 mi11737+592941+82941+810402(Top 39%)2844(Top 25%)2844(Top 58%)
25.2M25.20 mi0.35 mi11693+442928+132928+139948(Top 37%)2664(Top 23%)2664(Top 55%)
Finish26.22 mi1.02 mi11559+1342889+392889+399456(Top 36%)2461(Top 22%)2461(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12272

Females

3059

F18-39

3059

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

12482

Females

3138

F18-39

3138

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12272

Females

3059

F18-39

3059

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12552

Females

3283

F18-39

3283

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12687

Females

3293

F18-39

3293

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12115

Females

3142

F18-39

3142

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12100

Females

3238

F18-39

3238

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11253

Females

2849

F18-39

2849

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10698

Females

2724

F18-39

2724

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10844

Females

2796

F18-39

2796

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

11386

Females

3201

F18-39

3201

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10683

Females

2927

F18-39

2927

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10402

Females

2844

F18-39

2844

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9948

Females

2664

F18-39

2664

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9456

Females

2461

F18-39

2461

Passing Analysis

Category:
Athletes Passed
1798
Passed By
1413
Net Change
+385
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11944
5K → 10K201431-230#11944#12174
10K → 15K196186+10#12174#12164
15K → 20K153192-39#12164#12203
20K → Half2149-28#12203#12231
Half → 25K13998+41#12231#12190
25K → 30K219177+42#12190#12148
30K → 20M14851+97#12148#12051
20M → 21M13144+87#12051#11964
21M → 35K7023+47#11964#11917
35K → 23M11458+56#11917#11861
23M → 24M10439+65#11861#11796
24M → 40K9031+59#11796#11737
40K → 25.2M539+44#11737#11693
25.2M → Finish15925+134#11693#11559
TOTALS17981413+385
📊

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