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BOSTON MARATHON 2023

Kirsten Allan

Bib: 10898•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 8%
Division (F18-39)
#0 / 4884
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:39
Rank: #8057
Start → 5K
22:39 | 7:17/mi
10K· 6.21 mi
44:49
Rank: #7847 (+210)
5K → 10K
22:10 | 7:08/mi
15K· 9.32 mi
1:07:08
Rank: #7773 (+74)
10K → 15K
22:19 | 7:11/mi
20K· 12.43 mi
1:29:53
Rank: #7783 (-10)
15K → 20K
22:45 | 7:19/mi
Half· 13.11 mi
1:34:48
Rank: #7777 (+6)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:52:40
Rank: #7739 (+38)
Half → 25K
17:52 | 7:22/mi
30K· 18.64 mi
2:16:12
Rank: #7684 (+55)
25K → 30K
23:32 | 7:34/mi
20M
2:26:33
Rank: #7644 (+40)
30K → 20M
10:21 | 7:37/mi
21M
2:34:31
Rank: #7584 (+60)
20M → 21M
7:58 | 7:58/mi
35K· 21.75 mi
2:39:56
Rank: #7527 (+57)
21M → 35K
5:25 | 7:14/mi
23M
2:49:30
Rank: #7462 (+65)
35K → 23M
9:34 | 7:38/mi
24M
2:57:01
Rank: #7454 (+8)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
3:03:27
Rank: #7406 (+48)
24M → 40K
6:26 | 7:31/mi
25.2M
3:06:04
Rank: #7348 (+58)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
3:12:41
Rank: #7061 (+287)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:48
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:37:53
Pace7:28 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5722:397:1722:39
7:17
-
10K
6.21 mi11:11:0744:497:1322:10
7:08
-0:09
15K
9.32 mi11:33:261:07:087:1222:19
7:11
+0:03
20K
12.43 mi11:56:111:29:537:1422:45
7:19
+0:08
Half
13.11 mi12:01:061:34:487:144:55
7:12
-0:07
25K
15.53 mi12:18:581:52:407:1517:52
7:22
+0:10
30K
18.64 mi12:42:302:16:127:1823:32
7:34
+0:12
20M
20.00 mi12:52:512:26:337:2010:21
7:37
+0:03
21M
21.00 mi13:00:492:34:317:217:58
7:58
+0:21
35K
21.75 mi13:06:142:39:567:215:25
7:14
-0:44
23M
23.00 mi13:15:482:49:307:229:34
7:38
+0:24
24M
24.00 mi13:23:192:57:017:237:31
7:31
-0:07
40K
24.85 mi13:29:453:03:277:236:26
7:31
0:00
25.2M
25.20 mi13:32:223:06:047:232:37
7:35
+0:04
Finish
26.22 mi13:38:593:12:417:216:37
6:30
-1:05

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

6:30 /mi

Average Pace

7:21 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:01

29% of race

Time at Steady Pace

1:22:38

43% of race

Time at Slower Pace

54:02

28% of race

Average Pace: 7:21 /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 mi10:48:5722:397:1722:39
7:17
#8057
10K
6.21 mi11:11:0744:497:1322:10
7:08
#7847
15K
9.32 mi11:33:261:07:087:1222:19
7:11
#7773
20K
12.43 mi11:56:111:29:537:1422:45
7:19
#7783
Half
13.11 mi12:01:061:34:487:144:55
7:12
#7777
25K
15.53 mi12:18:581:52:407:1517:52
7:22
#7739
30K
18.64 mi12:42:302:16:127:1823:32
7:34
#7684
20M
20.00 mi12:52:512:26:337:2010:21
7:37
#7644
21M
21.00 mi13:00:492:34:317:217:58
7:58
#7584
35K
21.75 mi13:06:142:39:567:215:25
7:14
#7527
23M
23.00 mi13:15:482:49:307:229:34
7:38
#7462
24M
24.00 mi13:23:192:57:017:237:31
7:31
#7454
40K
24.85 mi13:29:453:03:277:236:26
7:31
#7406
25.2M
25.20 mi13:32:223:06:047:232:37
7:35
#7348
Finish
26.22 mi13:38:593:12:417:216:37
6:30
#7061
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8057103510357698(Top 29%)967(Top 8%)967(Top 20%)
10K6.21 mi3.10 mi7847+210966+69966+697668(Top 29%)946(Top 8%)946(Top 19%)
15K9.32 mi3.11 mi7773+74955+11955+117698(Top 29%)967(Top 8%)967(Top 20%)
20K12.43 mi3.11 mi7783-10977-22977-227959(Top 30%)1087(Top 10%)1087(Top 22%)
Half13.11 mi0.68 mi7777+6980-3980-37957(Top 30%)1066(Top 9%)1066(Top 22%)
25K15.53 mi2.42 mi7739+38981-1981-17765(Top 29%)1106(Top 10%)1106(Top 23%)
30K18.64 mi3.11 mi7684+55994-13994-137765(Top 29%)1201(Top 11%)1201(Top 25%)
20M20.00 mi1.36 mi7644+401004-101004-107609(Top 29%)1252(Top 11%)1252(Top 26%)
21M21.00 mi1.00 mi7584+601002+21002+27164(Top 27%)1189(Top 10%)1189(Top 24%)
35K21.75 mi0.75 mi7527+57995+7995+76804(Top 26%)1022(Top 9%)1022(Top 21%)
23M23.00 mi1.25 mi7462+65992+3992+37382(Top 28%)1324(Top 12%)1324(Top 27%)
24M24.00 mi1.00 mi7454+81011-191011-197830(Top 29%)1605(Top 14%)1605(Top 33%)
40K24.85 mi0.85 mi7406+481022-111022-116874(Top 26%)1305(Top 11%)1305(Top 27%)
25.2M25.20 mi0.35 mi7348+581007+151007+154407(Top 17%)562(Top 5%)562(Top 12%)
Finish26.22 mi1.02 mi7061+287935+72935+722489(Top 9%)202(Top 2%)202(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7698

Females

967

F18-39

967

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7668

Females

946

F18-39

946

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7698

Females

967

F18-39

967

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

7959

Females

1087

F18-39

1087

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7957

Females

1066

F18-39

1066

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

7765

Females

1106

F18-39

1106

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7765

Females

1201

F18-39

1201

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7609

Females

1252

F18-39

1252

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7164

Females

1189

F18-39

1189

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6804

Females

1022

F18-39

1022

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7382

Females

1324

F18-39

1324

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7830

Females

1605

F18-39

1605

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6874

Females

1305

F18-39

1305

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4407

Females

562

F18-39

562

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2489

Females

202

F18-39

202

Passing Analysis

Category:
Athletes Passed
1769
Passed By
773
Net Change
+996
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8057
5K → 10K347137+210#8057#7847
10K → 15K175101+74#7847#7773
15K → 20K113123-10#7773#7783
20K → Half2620+6#7783#7777
Half → 25K11072+38#7777#7739
25K → 30K160105+55#7739#7684
30K → 20M8949+40#7684#7644
20M → 21M8626+60#7644#7584
21M → 35K7013+57#7584#7527
35K → 23M10439+65#7527#7462
23M → 24M6557+8#7462#7454
24M → 40K7325+48#7454#7406
40K → 25.2M635+58#7406#7348
25.2M → Finish2881+287#7348#7061
TOTALS1769773+996
📊

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