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BOSTON MARATHON 2023

Katie Blankenship

Bib: 9837•F

MO

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 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:35
Rank: #5930
Start → 5K
21:35 | 6:57/mi
10K· 6.21 mi
42:28
Rank: #5262 (+668)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:03:22
Rank: #4996 (+266)
10K → 15K
20:54 | 6:44/mi
20K· 12.43 mi
1:24:41
Rank: #4975 (+21)
15K → 20K
21:19 | 6:52/mi
Half· 13.11 mi
1:29:22
Rank: #5021 (-46)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:46:45
Rank: #5389 (-368)
Half → 25K
17:23 | 7:10/mi
30K· 18.64 mi
2:13:03
Rank: #6614 (-1225)
25K → 30K
26:18 | 8:28/mi
20M
2:26:42
Rank: #7700 (-1086)
30K → 20M
13:39 | 10:03/mi
21M
2:38:16
Rank: #8941 (-1241)
20M → 21M
11:34 | 11:34/mi
35K· 21.75 mi
2:45:08
Rank: #9345 (-404)
21M → 35K
6:52 | 9:11/mi
23M
2:57:38
Rank: #10208 (-863)
35K → 23M
12:30 | 9:59/mi
24M
3:07:27
Rank: #10823 (-615)
23M → 24M
9:49 | 9:49/mi
40K· 24.85 mi
3:15:23
Rank: #11131 (-308)
24M → 40K
7:56 | 9:17/mi
25.2M
3:18:45
Rank: #11242 (-111)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:27:51
Rank: #11573 (-331)
25.2M → Finish
9:06 | 8:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:22
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:58:29
Pace9:02 /mi
📊Positive Split: 32.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2121:356:5721:35
6:57
-
10K
6.21 mi11:08:1442:286:5020:53
6:43
-0:14
15K
9.32 mi11:29:081:03:226:4820:54
6:44
+0:01
20K
12.43 mi11:50:271:24:416:4921:19
6:52
+0:08
Half
13.11 mi11:55:081:29:226:494:41
6:52
0:00
25K
15.53 mi12:12:311:46:456:5217:23
7:10
+0:18
30K
18.64 mi12:38:492:13:037:0826:18
8:28
+1:18
20M
20.00 mi12:52:282:26:427:2013:39
10:03
+1:35
21M
21.00 mi13:04:022:38:167:3211:34
11:34
+1:31
35K
21.75 mi13:10:542:45:087:366:52
9:11
-2:23
23M
23.00 mi13:23:242:57:387:4312:30
9:59
+0:48
24M
24.00 mi13:33:133:07:277:499:49
9:49
-0:10
40K
24.85 mi13:41:093:15:237:527:56
9:17
-0:32
25.2M
25.20 mi13:44:313:18:457:533:22
9:46
+0:29
Finish
26.22 mi13:53:373:27:517:569:06
8:56
-0:50

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

6:43 /mi

Average Pace

7:56 /mi

Slowest Pace

11:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:45

51% of race

Time at Steady Pace

50:12

24% of race

Time at Slower Pace

50:54

24% 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 mi10:47:2121:356:5721:35
6:57
#5930
10K
6.21 mi11:08:1442:286:5020:53
6:43
#5262
15K
9.32 mi11:29:081:03:226:4820:54
6:44
#4996
20K
12.43 mi11:50:271:24:416:4921:19
6:52
#4975
Half
13.11 mi11:55:081:29:226:494:41
6:52
#5021
25K
15.53 mi12:12:311:46:456:5217:23
7:10
#5389
30K
18.64 mi12:38:492:13:037:0826:18
8:28
#6614
20M
20.00 mi12:52:282:26:427:2013:39
10:03
#7700
21M
21.00 mi13:04:022:38:167:3211:34
11:34
#8941
35K
21.75 mi13:10:542:45:087:366:52
9:11
#9345
23M
23.00 mi13:23:242:57:387:4312:30
9:59
#10208
24M
24.00 mi13:33:133:07:277:499:49
9:49
#10823
40K
24.85 mi13:41:093:15:237:527:56
9:17
#11131
25.2M
25.20 mi13:44:313:18:457:533:22
9:46
#11242
Finish
26.22 mi13:53:373:27:517:569:06
8:56
#11573
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi59304924924424(Top 17%)286(Top 3%)286(Top 6%)
10K6.21 mi3.10 mi5262+668389+103389+1034587(Top 17%)306(Top 3%)306(Top 6%)
15K9.32 mi3.11 mi4996+266352+37352+374424(Top 17%)286(Top 3%)286(Top 6%)
20K12.43 mi3.11 mi4975+21343+9343+95039(Top 19%)372(Top 3%)372(Top 8%)
Half13.11 mi0.68 mi5021-46351-8351-85847(Top 22%)485(Top 4%)485(Top 10%)
25K15.53 mi2.42 mi5389-368403-52403-526517(Top 24%)702(Top 6%)702(Top 14%)
30K18.64 mi3.11 mi6614-1225681-278681-27814078(Top 53%)4375(Top 38%)4375(Top 90%)
20M20.00 mi1.36 mi7700-10861021-3401021-34020601(Top 77%)8182(Top 72%)8182(Top 168%)
21M21.00 mi1.00 mi8941-12411503-4821503-48221990(Top 83%)8980(Top 79%)8980(Top 184%)
35K21.75 mi0.75 mi9345-4041693-1901693-19018656(Top 70%)7186(Top 63%)7186(Top 147%)
23M23.00 mi1.25 mi10208-8632100-4072100-40719944(Top 75%)7919(Top 69%)7919(Top 162%)
24M24.00 mi1.00 mi10823-6152439-3392439-33920280(Top 76%)8133(Top 71%)8133(Top 167%)
40K24.85 mi0.85 mi11131-3082616-1772616-17717423(Top 65%)6632(Top 58%)6632(Top 136%)
25.2M25.20 mi0.35 mi11242-1112694-782694-7816368(Top 61%)6062(Top 53%)6062(Top 124%)
Finish26.22 mi1.02 mi11573-3312898-2042898-20417624(Top 66%)6709(Top 59%)6709(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4424

Females

286

F18-39

286

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4587

Females

306

F18-39

306

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4424

Females

286

F18-39

286

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5039

Females

372

F18-39

372

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5847

Females

485

F18-39

485

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6517

Females

702

F18-39

702

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

14078

Females

4375

F18-39

4375

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20601

Females

8182

F18-39

8182

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

21990

Females

8980

F18-39

8980

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18656

Females

7186

F18-39

7186

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

19944

Females

7919

F18-39

7919

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20280

Females

8133

F18-39

8133

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17423

Females

6632

F18-39

6632

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16368

Females

6062

F18-39

6062

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17624

Females

6709

F18-39

6709

Passing Analysis

Category:
Athletes Passed
1224
Passed By
6865
Net Change
-5643
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5930
5K → 10K70133+668#5930#5262
10K → 15K29024+266#5262#4996
15K → 20K11695+21#4996#4975
20K → Half652-46#4975#5021
Half → 25K36404-368#5021#5389
25K → 30K101235-1225#5389#6614
30K → 20M11087-1086#6614#7700
20M → 21M11242-1241#7700#8941
21M → 35K5409-404#8941#9345
35K → 23M4865-863#9345#10208
23M → 24M8623-615#10208#10823
24M → 40K16324-308#10823#11131
40K → 25.2M11122-111#11131#11242
25.2M → Finish19350-331#11242#11573
TOTALS12246865-5643
📊

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