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BOSTON MARATHON 2023

Kristin Hirahatake

Bib: 14784•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:34/mi
26:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
53:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:36/mi
1:19:51
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:46:44
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:52:35
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:13:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:36/mi
2:39:57
↑ 181↓ 1480.2%
20M
8:34/mi
2:51:35
↑ 64↓ 500.2%
21M
11:53/mi
3:03:28
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
3:09:11
↑ 17↓ 861.7%
23M
7:49/mi
3:18:58
↑ 23↓ 630.6%
24M
7:40/mi
3:26:38
↓ 821.3%
40K· 24.85 mi
7:49/mi
3:33:19
↓ 200.3%
25.2M
8:22/mi
3:36:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:23/mi
3:43:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:52:35
Pace8:35 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:51:08
Pace8:29 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3326:368:3426:36
8:34
-
10K
6.21 mi11:22:0453:078:3326:31
8:32
-0:02
15K
9.32 mi11:48:481:19:518:3426:44
8:36
+0:04
20K
12.43 mi12:15:411:46:448:3526:53
8:39
+0:03
Half
13.11 mi12:21:321:52:358:355:51
8:34
-0:05
25K
15.53 mi12:42:112:13:148:3520:39
8:31
-0:03
30K
18.64 mi13:08:542:39:578:3526:43
8:36
+0:05
20M
20.00 mi13:20:322:51:358:3511:38
8:34
-0:02
21M
21.00 mi13:32:253:03:288:4411:53
11:53
+3:19
35K
21.75 mi13:38:083:09:118:425:43
7:38
-4:15
23M
23.00 mi13:47:553:18:588:399:47
7:49
+0:11
24M
24.00 mi13:55:353:26:388:377:40
7:40
-0:09
40K
24.85 mi14:02:163:33:198:356:41
7:49
+0:09
25.2M
25.20 mi14:05:093:36:128:352:53
8:22
+0:33
Finish
26.22 mi14:12:403:43:438:327:31
7:23
-0:59

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

7:23 /mi

Average Pace

8:32 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:22

17% of race

Time at Steady Pace

2:54:28

78% of race

Time at Slower Pace

11:53

5% of race

Average Pace: 8:32 /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 mi10:55:3326:368:3426:36
8:34
#17981
10K
6.21 mi11:22:0453:078:3326:31
8:32
#18190
15K
9.32 mi11:48:481:19:518:3426:44
8:36
#18277
20K
12.43 mi12:15:411:46:448:3526:53
8:39
#18137
Half
13.11 mi12:21:321:52:358:355:51
8:34
#18130
25K
15.53 mi12:42:112:13:148:3520:39
8:31
#17801
30K
18.64 mi13:08:542:39:578:3526:43
8:36
#17243
20M
20.00 mi13:20:322:51:358:3511:38
8:34
#16996
21M
21.00 mi13:32:253:03:288:4411:53
11:53
#17606
35K
21.75 mi13:38:083:09:118:425:43
7:38
#17330
23M
23.00 mi13:47:553:18:588:399:47
7:49
#16875
24M
24.00 mi13:55:353:26:388:377:40
7:40
#16571
40K
24.85 mi14:02:163:33:198:356:41
7:49
#16265
25.2M
25.20 mi14:05:093:36:128:352:53
8:22
#16167
Finish
26.22 mi14:12:403:43:438:327:31
7:23
#15857
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi179816542654218474(Top 69%)6777(Top 59%)6777(Top 139%)
10K6.21 mi3.10 mi18190-2096638-966638-9618460(Top 69%)6740(Top 59%)6740(Top 138%)
15K9.32 mi3.11 mi18277-876677-396677-3918474(Top 69%)6777(Top 59%)6777(Top 139%)
20K12.43 mi3.11 mi18137+1406594+836594+8317823(Top 67%)6406(Top 56%)6406(Top 131%)
Half13.11 mi0.68 mi18130+76586+86586+818182(Top 68%)6577(Top 58%)6577(Top 135%)
25K15.53 mi2.42 mi17801+3296420+1666420+16616310(Top 61%)5617(Top 49%)5617(Top 115%)
30K18.64 mi3.11 mi17243+5586105+3156105+31514931(Top 56%)4890(Top 43%)4890(Top 100%)
20M20.00 mi1.36 mi16996+2475967+1385967+13814039(Top 53%)4439(Top 39%)4439(Top 91%)
21M21.00 mi1.00 mi17606-6106361-3946361-39422558(Top 85%)9308(Top 81%)9308(Top 191%)
35K21.75 mi0.75 mi17330+2766205+1566205+1569631(Top 36%)2216(Top 19%)2216(Top 45%)
23M23.00 mi1.25 mi16875+4555948+2575948+2578557(Top 32%)1832(Top 16%)1832(Top 38%)
24M24.00 mi1.00 mi16571+3045790+1585790+1588910(Top 33%)2072(Top 18%)2072(Top 42%)
40K24.85 mi0.85 mi16265+3065632+1585632+1588849(Top 33%)2126(Top 19%)2126(Top 44%)
25.2M25.20 mi0.35 mi16167+985575+575575+578806(Top 33%)2209(Top 19%)2209(Top 45%)
Finish26.22 mi1.02 mi15857+3105408+1675408+1677675(Top 29%)1704(Top 15%)1704(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18474

Females

6777

F18-39

6777

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18460

Females

6740

F18-39

6740

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18474

Females

6777

F18-39

6777

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17823

Females

6406

F18-39

6406

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18182

Females

6577

F18-39

6577

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

16310

Females

5617

F18-39

5617

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14931

Females

4890

F18-39

4890

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14039

Females

4439

F18-39

4439

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

22558

Females

9308

F18-39

9308

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9631

Females

2216

F18-39

2216

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8557

Females

1832

F18-39

1832

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8910

Females

2072

F18-39

2072

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8849

Females

2126

F18-39

2126

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8806

Females

2209

F18-39

2209

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

7675

Females

1704

F18-39

1704

Passing Analysis

Category:
Athletes Passed
3552
Passed By
1428
Net Change
+2124
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17981
5K → 10K213422-209#17981#18190
10K → 15K158245-87#18190#18277
15K → 20K23191+140#18277#18137
20K → Half3023+7#18137#18130
Half → 25K34112+329#18130#17801
25K → 30K56911+558#17801#17243
30K → 20M2481+247#17243#16996
20M → 21M8618-610#16996#17606
21M → 35K2760+276#17606#17330
35K → 23M4550+455#17330#16875
23M → 24M3062+304#16875#16571
24M → 40K3060+306#16571#16265
40K → 25.2M991+98#16265#16167
25.2M → Finish3122+310#16167#15857
TOTALS35521428+2124
📊

Passing Visuals

Category:
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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