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BOSTON MARATHON 2023

Heather Dye

Bib: 15764•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 44%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:29
Rank: #15503
Start → 5K
25:29 | 8:12/mi
10K· 6.21 mi
51:08
Rank: #16039 (-536)
5K → 10K
25:39 | 8:15/mi
15K· 9.32 mi
1:17:28
Rank: #16594 (-555)
10K → 15K
26:20 | 8:29/mi
20K· 12.43 mi
1:44:39
Rank: #17073 (-479)
15K → 20K
27:11 | 8:45/mi
Half· 13.11 mi
1:50:32
Rank: #17149 (-76)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:12:10
Rank: #17368 (-219)
Half → 25K
21:38 | 8:55/mi
30K· 18.64 mi
2:41:02
Rank: #17598 (-230)
25K → 30K
28:52 | 9:17/mi
20M
2:53:47
Rank: #17665 (-67)
30K → 20M
12:45 | 9:23/mi
21M
3:03:35
Rank: #17646 (+19)
20M → 21M
9:48 | 9:48/mi
35K· 21.75 mi
3:10:09
Rank: #17597 (+49)
21M → 35K
6:34 | 8:47/mi
23M
3:21:14
Rank: #17459 (+138)
35K → 23M
11:05 | 8:51/mi
24M
3:29:39
Rank: #17317 (+142)
23M → 24M
8:25 | 8:25/mi
40K· 24.85 mi
3:36:55
Rank: #17158 (+159)
24M → 40K
7:16 | 8:30/mi
25.2M
3:40:01
Rank: #17089 (+69)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:48:21
Rank: #16944 (+145)
25.2M → Finish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:32
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:57:49
Pace8:59 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:5725:298:1225:29
8:12
-
10K
6.21 mi11:23:3651:088:1425:39
8:15
+0:03
15K
9.32 mi11:49:561:17:288:1926:20
8:29
+0:14
20K
12.43 mi12:17:071:44:398:2527:11
8:45
+0:16
Half
13.11 mi12:23:001:50:328:265:53
8:37
-0:08
25K
15.53 mi12:44:382:12:108:3021:38
8:55
+0:18
30K
18.64 mi13:13:302:41:028:3828:52
9:17
+0:22
20M
20.00 mi13:26:152:53:478:4112:45
9:23
+0:06
21M
21.00 mi13:36:033:03:358:459:48
9:48
+0:25
35K
21.75 mi13:42:373:10:098:456:34
8:47
-1:01
23M
23.00 mi13:53:423:21:148:4511:05
8:51
+0:04
24M
24.00 mi14:02:073:29:398:448:25
8:25
-0:26
40K
24.85 mi14:09:233:36:558:447:16
8:30
+0:05
25.2M
25.20 mi14:12:293:40:018:443:06
8:59
+0:29
Finish
26.22 mi14:20:493:48:218:438:20
8:11
-0:48

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

8:11 /mi

Average Pace

8:43 /mi

Slowest Pace

9:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:56

77% of race

Time at Steady Pace

41:37

18% of race

Time at Slower Pace

9:48

4% of race

Average Pace: 8:43 /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 mi10:57:5725:298:1225:29
8:12
#15503
10K
6.21 mi11:23:3651:088:1425:39
8:15
#16039
15K
9.32 mi11:49:561:17:288:1926:20
8:29
#16594
20K
12.43 mi12:17:071:44:398:2527:11
8:45
#17073
Half
13.11 mi12:23:001:50:328:265:53
8:37
#17149
25K
15.53 mi12:44:382:12:108:3021:38
8:55
#17368
30K
18.64 mi13:13:302:41:028:3828:52
9:17
#17598
20M
20.00 mi13:26:152:53:478:4112:45
9:23
#17665
21M
21.00 mi13:36:033:03:358:459:48
9:48
#17646
35K
21.75 mi13:42:373:10:098:456:34
8:47
#17597
23M
23.00 mi13:53:423:21:148:4511:05
8:51
#17459
24M
24.00 mi14:02:073:29:398:448:25
8:25
#17317
40K
24.85 mi14:09:233:36:558:447:16
8:30
#17158
25.2M
25.20 mi14:12:293:40:018:443:06
8:59
#17089
Finish
26.22 mi14:20:493:48:218:438:20
8:11
#16944
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi155034971497117645(Top 66%)6300(Top 55%)6300(Top 347%)
10K6.21 mi3.10 mi16039-5365305-3345305-33416633(Top 62%)5659(Top 50%)5659(Top 311%)
15K9.32 mi3.11 mi16594-5555663-3585663-35817645(Top 66%)6300(Top 55%)6300(Top 347%)
20K12.43 mi3.11 mi17073-4795976-3135976-31318417(Top 69%)6742(Top 59%)6742(Top 371%)
Half13.11 mi0.68 mi17149-766013-376013-3718477(Top 69%)6754(Top 59%)6754(Top 372%)
25K15.53 mi2.42 mi17368-2196159-1466159-14618578(Top 70%)6895(Top 60%)6895(Top 379%)
30K18.64 mi3.11 mi17598-2306319-1606319-16018590(Top 70%)6964(Top 61%)6964(Top 383%)
20M20.00 mi1.36 mi17665-676369-506369-5018389(Top 69%)6957(Top 61%)6957(Top 383%)
21M21.00 mi1.00 mi17646+196377-86377-817270(Top 65%)6347(Top 56%)6347(Top 349%)
35K21.75 mi0.75 mi17597+496365+126365+1216854(Top 63%)6198(Top 54%)6198(Top 341%)
23M23.00 mi1.25 mi17459+1386297+686297+6815311(Top 58%)5351(Top 47%)5351(Top 294%)
24M24.00 mi1.00 mi17317+1426216+816216+8114022(Top 53%)4696(Top 41%)4696(Top 258%)
40K24.85 mi0.85 mi17158+1596149+676149+6713400(Top 50%)4436(Top 39%)4436(Top 244%)
25.2M25.20 mi0.35 mi17089+696114+356114+3512593(Top 47%)4052(Top 35%)4052(Top 223%)
Finish26.22 mi1.02 mi16944+1456048+666048+6613329(Top 50%)4388(Top 38%)4388(Top 241%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17645

Females

6300

F45-49

6300

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16633

Females

5659

F45-49

5659

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17645

Females

6300

F45-49

6300

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

18417

Females

6742

F45-49

6742

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

18477

Females

6754

F45-49

6754

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18578

Females

6895

F45-49

6895

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18590

Females

6964

F45-49

6964

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18389

Females

6957

F45-49

6957

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17270

Females

6347

F45-49

6347

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16854

Females

6198

F45-49

6198

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15311

Females

5351

F45-49

5351

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14022

Females

4696

F45-49

4696

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13400

Females

4436

F45-49

4436

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12593

Females

4052

F45-49

4052

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13329

Females

4388

F45-49

4388

Passing Analysis

Category:
Athletes Passed
1365
Passed By
2806
Net Change
-1441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15503
5K → 10K119655-536#15503#16039
10K → 15K60615-555#16039#16594
15K → 20K68547-479#16594#17073
20K → Half783-76#17073#17149
Half → 25K74293-219#17149#17368
25K → 30K105335-230#17368#17598
30K → 20M57124-67#17598#17665
20M → 21M9677+19#17665#17646
21M → 35K7627+49#17646#17597
35K → 23M16022+138#17597#17459
23M → 24M1508+142#17459#17317
24M → 40K1634+159#17317#17158
40K → 25.2M745+69#17158#17089
25.2M → Finish15611+145#17089#16944
TOTALS13652806-1441
📊

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