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BOSTON MARATHON 2023

Heidi Mattila

Bib: 16611•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
Masters (Masters Women)
#0 / 6539
Top 29%
Division (F40-44)
#0 / 1878
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:09
Rank: #12132
Start → 5K
24:09 | 7:46/mi
10K· 6.21 mi
48:45
Rank: #13159 (-1027)
5K → 10K
24:36 | 7:55/mi
15K· 9.32 mi
1:13:41
Rank: #13622 (-463)
10K → 15K
24:56 | 8:02/mi
20K· 12.43 mi
1:39:09
Rank: #13928 (-306)
15K → 20K
25:28 | 8:12/mi
Half· 13.11 mi
1:44:45
Rank: #14042 (-114)
20K → Half
5:36 | 8:12/mi
25K· 15.53 mi
2:05:47
Rank: #14635 (-593)
Half → 25K
21:02 | 8:41/mi
30K· 18.64 mi
2:32:54
Rank: #14832 (-197)
25K → 30K
27:07 | 8:44/mi
20M
2:44:52
Rank: #14861 (-29)
30K → 20M
11:58 | 8:48/mi
21M
2:54:21
Rank: #14907 (-46)
20M → 21M
9:29 | 9:29/mi
35K· 21.75 mi
3:00:38
Rank: #14889 (+18)
21M → 35K
6:17 | 8:24/mi
23M
3:11:38
Rank: #14880 (+9)
35K → 23M
11:00 | 8:47/mi
24M
3:20:08
Rank: #14831 (+49)
23M → 24M
8:30 | 8:30/mi
40K· 24.85 mi
3:27:32
Rank: #14783 (+48)
24M → 40K
7:24 | 8:39/mi
25.2M
3:30:45
Rank: #14768 (+15)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:39:12
Rank: #14723 (+45)
25.2M → Finish
8:27 | 8:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:45
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:54:27
Pace8:44 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1724:097:4624:09
7:46
-
10K
6.21 mi11:38:5348:457:5124:36
7:55
+0:09
15K
9.32 mi12:03:491:13:417:5424:56
8:02
+0:07
20K
12.43 mi12:29:171:39:097:5925:28
8:12
+0:10
Half
13.11 mi12:34:531:44:457:595:36
8:12
0:00
25K
15.53 mi12:55:552:05:478:0621:02
8:41
+0:29
30K
18.64 mi13:23:022:32:548:1227:07
8:44
+0:03
20M
20.00 mi13:35:002:44:528:1511:58
8:48
+0:04
21M
21.00 mi13:44:292:54:218:189:29
9:29
+0:41
35K
21.75 mi13:50:463:00:388:186:17
8:24
-1:05
23M
23.00 mi14:01:463:11:388:2011:00
8:47
+0:23
24M
24.00 mi14:10:163:20:088:208:30
8:30
-0:17
40K
24.85 mi14:17:403:27:328:217:24
8:39
+0:09
25.2M
25.20 mi14:20:533:30:458:223:13
9:20
+0:41
Finish
26.22 mi14:29:203:39:128:228:27
8:18
-1:02

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

7:46 /mi

Average Pace

8:22 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:45

48% of race

Time at Steady Pace

51:40

24% of race

Time at Slower Pace

1:02:47

29% of race

Average Pace: 8:22 /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 mi11:14:1724:097:4624:09
7:46
#12132
10K
6.21 mi11:38:5348:457:5124:36
7:55
#13159
15K
9.32 mi12:03:491:13:417:5424:56
8:02
#13622
20K
12.43 mi12:29:171:39:097:5925:28
8:12
#13928
Half
13.11 mi12:34:531:44:457:595:36
8:12
#14042
25K
15.53 mi12:55:552:05:478:0621:02
8:41
#14635
30K
18.64 mi13:23:022:32:548:1227:07
8:44
#14832
20M
20.00 mi13:35:002:44:528:1511:58
8:48
#14861
21M
21.00 mi13:44:292:54:218:189:29
9:29
#14907
35K
21.75 mi13:50:463:00:388:186:17
8:24
#14889
23M
23.00 mi14:01:463:11:388:2011:00
8:47
#14880
24M
24.00 mi14:10:163:20:088:208:30
8:30
#14831
40K
24.85 mi14:17:403:27:328:217:24
8:39
#14783
25.2M
25.20 mi14:20:533:30:458:223:13
9:20
#14768
Finish
26.22 mi14:29:203:39:128:228:27
8:18
#14723
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi121322945294514611(Top 55%)4454(Top 39%)4454(Top 237%)
10K6.21 mi3.10 mi13159-10273543-5983543-59814151(Top 53%)4147(Top 36%)4147(Top 221%)
15K9.32 mi3.11 mi13622-4633832-2893832-28914611(Top 55%)4454(Top 39%)4454(Top 237%)
20K12.43 mi3.11 mi13928-3064042-2104042-21014944(Top 56%)4679(Top 41%)4679(Top 249%)
Half13.11 mi0.68 mi14042-1144109-674109-6715880(Top 60%)5212(Top 46%)5212(Top 278%)
25K15.53 mi2.42 mi14635-5934488-3794488-37917243(Top 65%)6134(Top 54%)6134(Top 327%)
30K18.64 mi3.11 mi14832-1974640-1524640-15215660(Top 59%)5304(Top 46%)5304(Top 282%)
20M20.00 mi1.36 mi14861-294677-374677-3715464(Top 58%)5250(Top 46%)5250(Top 280%)
21M21.00 mi1.00 mi14907-464735-584735-5815896(Top 60%)5567(Top 49%)5567(Top 296%)
35K21.75 mi0.75 mi14889+184741-64741-614745(Top 55%)4959(Top 43%)4959(Top 264%)
23M23.00 mi1.25 mi14880+94759-184759-1814923(Top 56%)5123(Top 45%)5123(Top 273%)
24M24.00 mi1.00 mi14831+494748+114748+1114488(Top 54%)4945(Top 43%)4945(Top 263%)
40K24.85 mi0.85 mi14783+484750-24750-214288(Top 54%)4903(Top 43%)4903(Top 261%)
25.2M25.20 mi0.35 mi14768+154752-24752-214376(Top 54%)4946(Top 43%)4946(Top 263%)
Finish26.22 mi1.02 mi14723+454742+104742+1014085(Top 53%)4789(Top 42%)4789(Top 255%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14611

Females

4454

F40-44

4454

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14151

Females

4147

F40-44

4147

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14611

Females

4454

F40-44

4454

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14944

Females

4679

F40-44

4679

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

15880

Females

5212

F40-44

5212

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17243

Females

6134

F40-44

6134

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15660

Females

5304

F40-44

5304

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

15464

Females

5250

F40-44

5250

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

15896

Females

5567

F40-44

5567

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14745

Females

4959

F40-44

4959

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14923

Females

5123

F40-44

5123

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14488

Females

4945

F40-44

4945

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14288

Females

4903

F40-44

4903

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14376

Females

4946

F40-44

4946

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14085

Females

4789

F40-44

4789

Passing Analysis

Category:
Athletes Passed
937
Passed By
3528
Net Change
-2591
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12132
5K → 10K621089-1027#12132#13159
10K → 15K65528-463#13159#13622
15K → 20K99405-306#13622#13928
20K → Half7121-114#13928#14042
Half → 25K39632-593#14042#14635
25K → 30K106303-197#14635#14832
30K → 20M7099-29#14832#14861
20M → 21M66112-46#14861#14907
21M → 35K5840+18#14907#14889
35K → 23M8879+9#14889#14880
23M → 24M8435+49#14880#14831
24M → 40K8436+48#14831#14783
40K → 25.2M3621+15#14783#14768
25.2M → Finish7328+45#14768#14723
TOTALS9373528-2591
📊

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