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BOSTON MARATHON 2023

Kristine Heavey

Bib: 23271•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:05
Rank: #23455
Start → 5K
31:05 | 10:00/mi
10K· 6.21 mi
59:39
Rank: #22602 (+853)
5K → 10K
28:34 | 9:12/mi
15K· 9.32 mi
1:27:54
Rank: #22080 (+522)
10K → 15K
28:15 | 9:06/mi
20K· 12.43 mi
1:56:17
Rank: #21691 (+389)
15K → 20K
28:23 | 9:08/mi
Half· 13.11 mi
2:02:28
Rank: #21637 (+54)
20K → Half
6:11 | 9:04/mi
25K· 15.53 mi
2:25:09
Rank: #21416 (+221)
Half → 25K
22:41 | 9:21/mi
30K· 18.64 mi
2:54:01
Rank: #20948 (+468)
25K → 30K
28:52 | 9:17/mi
20M
3:06:59
Rank: #20785 (+163)
30K → 20M
12:58 | 9:33/mi
21M
3:16:37
Rank: #20555 (+230)
20M → 21M
9:38 | 9:38/mi
35K· 21.75 mi
3:23:16
Rank: #20440 (+115)
21M → 35K
6:39 | 8:53/mi
23M
3:34:52
Rank: #20277 (+163)
35K → 23M
11:36 | 9:16/mi
24M
3:43:51
Rank: #20153 (+124)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:51:30
Rank: #20030 (+123)
24M → 40K
7:39 | 8:57/mi
25.2M
3:54:39
Rank: #19951 (+79)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
4:02:43
Rank: #19724 (+227)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:02:28
Pace9:21 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:00:15
Pace9:10 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0531:0510:0031:05
10:00
-
10K
6.21 mi12:18:3959:399:3628:34
9:12
-0:48
15K
9.32 mi12:46:541:27:549:2628:15
9:06
-0:06
20K
12.43 mi13:15:171:56:179:2128:23
9:08
+0:02
Half
13.11 mi13:21:282:02:289:216:11
9:04
-0:04
25K
15.53 mi13:44:092:25:099:2122:41
9:21
+0:17
30K
18.64 mi14:13:012:54:019:2028:52
9:17
-0:04
20M
20.00 mi14:25:593:06:599:2112:58
9:33
+0:16
21M
21.00 mi14:35:373:16:379:229:38
9:38
+0:05
35K
21.75 mi14:42:163:23:169:216:39
8:53
-0:45
23M
23.00 mi14:53:523:34:529:2111:36
9:16
+0:23
24M
24.00 mi15:02:513:43:519:208:59
8:59
-0:17
40K
24.85 mi15:10:303:51:309:197:39
8:57
-0:02
25.2M
25.20 mi15:13:393:54:399:193:09
9:08
+0:11
Finish
26.22 mi15:21:434:02:439:168:04
7:55
-1:13

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

7:55 /mi

Average Pace

9:16 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:43

6% of race

Time at Steady Pace

2:54:19

72% of race

Time at Slower Pace

53:41

22% of race

Average Pace: 9:15 /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 mi11:50:0531:0510:0031:05
10:00
#23455
10K
6.21 mi12:18:3959:399:3628:34
9:12
#22602
15K
9.32 mi12:46:541:27:549:2628:15
9:06
#22080
20K
12.43 mi13:15:171:56:179:2128:23
9:08
#21691
Half
13.11 mi13:21:282:02:289:216:11
9:04
#21637
25K
15.53 mi13:44:092:25:099:2122:41
9:21
#21416
30K
18.64 mi14:13:012:54:019:2028:52
9:17
#20948
20M
20.00 mi14:25:593:06:599:2112:58
9:33
#20785
21M
21.00 mi14:35:373:16:379:229:38
9:38
#20555
35K
21.75 mi14:42:163:23:169:216:39
8:53
#20440
23M
23.00 mi14:53:523:34:529:2111:36
9:16
#20277
24M
24.00 mi15:02:513:43:519:208:59
8:59
#20153
40K
24.85 mi15:10:303:51:309:197:39
8:57
#20030
25.2M
25.20 mi15:13:393:54:399:193:09
9:08
#19951
Finish
26.22 mi15:21:434:02:439:168:04
7:55
#19724
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi234559625962520922(Top 79%)8193(Top 72%)8193(Top 679%)
10K6.21 mi3.10 mi22602+8539150+4759150+47521606(Top 81%)8601(Top 75%)8601(Top 713%)
15K9.32 mi3.11 mi22080+5228881+2698881+26920922(Top 79%)8193(Top 72%)8193(Top 679%)
20K12.43 mi3.11 mi21691+3898655+2268655+22620306(Top 76%)7843(Top 69%)7843(Top 650%)
Half13.11 mi0.68 mi21637+548628+278628+2720709(Top 78%)8071(Top 71%)8071(Top 669%)
25K15.53 mi2.42 mi21416+2218496+1328496+13220376(Top 77%)7916(Top 69%)7916(Top 656%)
30K18.64 mi3.11 mi20948+4688251+2458251+24518604(Top 70%)6978(Top 61%)6978(Top 578%)
20M20.00 mi1.36 mi20785+1638166+858166+8519036(Top 72%)7319(Top 64%)7319(Top 606%)
21M21.00 mi1.00 mi20555+2308062+1048062+10416610(Top 62%)5980(Top 52%)5980(Top 495%)
35K21.75 mi0.75 mi20440+1158008+548008+5417440(Top 66%)6533(Top 57%)6533(Top 541%)
23M23.00 mi1.25 mi20277+1637925+837925+8317385(Top 65%)6501(Top 57%)6501(Top 539%)
24M24.00 mi1.00 mi20153+1247866+597866+5917191(Top 65%)6470(Top 57%)6470(Top 536%)
40K24.85 mi0.85 mi20030+1237798+687798+6815920(Top 60%)5818(Top 51%)5818(Top 482%)
25.2M25.20 mi0.35 mi19951+797759+397759+3913410(Top 50%)4481(Top 39%)4481(Top 371%)
Finish26.22 mi1.02 mi19724+2277630+1297630+12911562(Top 43%)3492(Top 31%)3492(Top 289%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20922

Females

8193

F50-54

8193

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

21606

Females

8601

F50-54

8601

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20922

Females

8193

F50-54

8193

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

20306

Females

7843

F50-54

7843

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20709

Females

8071

F50-54

8071

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20376

Females

7916

F50-54

7916

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18604

Females

6978

F50-54

6978

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19036

Females

7319

F50-54

7319

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16610

Females

5980

F50-54

5980

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17440

Females

6533

F50-54

6533

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17385

Females

6501

F50-54

6501

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

17191

Females

6470

F50-54

6470

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15920

Females

5818

F50-54

5818

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13410

Females

4481

F50-54

4481

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11562

Females

3492

F50-54

3492

Passing Analysis

Category:
Athletes Passed
3835
Passed By
104
Net Change
+3731
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23455
5K → 10K86815+853#23455#22602
10K → 15K5319+522#22602#22080
15K → 20K40415+389#22080#21691
20K → Half562+54#21691#21637
Half → 25K24625+221#21637#21416
25K → 30K4746+468#21416#20948
30K → 20M17613+163#20948#20785
20M → 21M2300+230#20785#20555
21M → 35K1194+115#20555#20440
35K → 23M1685+163#20440#20277
23M → 24M1262+124#20277#20153
24M → 40K1307+123#20153#20030
40K → 25.2M801+79#20030#19951
25.2M → Finish2270+227#19951#19724
TOTALS3835104+3731
📊

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