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BOSTON MARATHON 2023

Dale Thacher

Bib: 23622•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 48%
Division (F60-64)
#0 / 527
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:33
Rank: #19836
Start → 5K
27:33 | 8:52/mi
10K· 6.21 mi
54:16
Rank: #19324 (+512)
5K → 10K
26:43 | 8:36/mi
15K· 9.32 mi
1:21:17
Rank: #19162 (+162)
10K → 15K
27:01 | 8:42/mi
20K· 12.43 mi
1:48:27
Rank: #18939 (+223)
15K → 20K
27:10 | 8:45/mi
Half· 13.11 mi
1:54:15
Rank: #18882 (+57)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:15:11
Rank: #18588 (+294)
Half → 25K
20:56 | 8:38/mi
30K· 18.64 mi
2:42:07
Rank: #17954 (+634)
25K → 30K
26:56 | 8:40/mi
20M
2:53:58
Rank: #17717 (+237)
30K → 20M
11:51 | 8:43/mi
21M
3:03:18
Rank: #17567 (+150)
20M → 21M
9:20 | 9:20/mi
35K· 21.75 mi
3:09:36
Rank: #17454 (+113)
21M → 35K
6:18 | 8:25/mi
23M
3:20:44
Rank: #17336 (+118)
35K → 23M
11:08 | 8:54/mi
24M
3:29:31
Rank: #17273 (+63)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:37:20
Rank: #17256 (+17)
24M → 40K
7:49 | 9:09/mi
25.2M
3:40:41
Rank: #17246 (+10)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:50:42
Rank: #17497 (-251)
25.2M → Finish
10:01 | 9:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:15
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time1:56:27
Pace8:53 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:2827:338:5227:33
8:52
-
10K
6.21 mi11:50:1154:168:4426:43
8:36
-0:16
15K
9.32 mi12:17:121:21:178:4327:01
8:42
+0:06
20K
12.43 mi12:44:221:48:278:4427:10
8:45
+0:03
Half
13.11 mi12:50:101:54:158:435:48
8:30
-0:15
25K
15.53 mi13:11:062:15:118:4220:56
8:38
+0:08
30K
18.64 mi13:38:022:42:078:4226:56
8:40
+0:02
20M
20.00 mi13:49:532:53:588:4211:51
8:43
+0:03
21M
21.00 mi13:59:133:03:188:449:20
9:20
+0:37
35K
21.75 mi14:05:313:09:368:436:18
8:25
-0:55
23M
23.00 mi14:16:393:20:448:4411:08
8:54
+0:29
24M
24.00 mi14:25:263:29:318:448:47
8:47
-0:07
40K
24.85 mi14:33:153:37:208:457:49
9:09
+0:22
25.2M
25.20 mi14:36:363:40:418:453:21
9:43
+0:34
Finish
26.22 mi14:46:373:50:428:4810:01
9:50
+0:07

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

8:25 /mi

Average Pace

8:48 /mi

Slowest Pace

9:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:00

90% of race

Time at Steady Pace

22:42

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:48 /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 mi11:23:2827:338:5227:33
8:52
#19836
10K
6.21 mi11:50:1154:168:4426:43
8:36
#19324
15K
9.32 mi12:17:121:21:178:4327:01
8:42
#19162
20K
12.43 mi12:44:221:48:278:4427:10
8:45
#18939
Half
13.11 mi12:50:101:54:158:435:48
8:30
#18882
25K
15.53 mi13:11:062:15:118:4220:56
8:38
#18588
30K
18.64 mi13:38:022:42:078:4226:56
8:40
#17954
20M
20.00 mi13:49:532:53:588:4211:51
8:43
#17717
21M
21.00 mi13:59:133:03:188:449:20
9:20
#17567
35K
21.75 mi14:05:313:09:368:436:18
8:25
#17454
23M
23.00 mi14:16:393:20:448:4411:08
8:54
#17336
24M
24.00 mi14:25:263:29:318:448:47
8:47
#17273
40K
24.85 mi14:33:153:37:208:457:49
9:09
#17256
25.2M
25.20 mi14:36:363:40:418:453:21
9:43
#17246
Finish
26.22 mi14:46:373:50:428:4810:01
9:50
#17497
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi198367709770918957(Top 71%)7072(Top 62%)7072(Top 1342%)
10K6.21 mi3.10 mi19324+5127350+3597350+35918844(Top 71%)6985(Top 61%)6985(Top 1325%)
15K9.32 mi3.11 mi19162+1627233+1177233+11718957(Top 71%)7072(Top 62%)7072(Top 1342%)
20K12.43 mi3.11 mi18939+2237085+1487085+14818381(Top 69%)6721(Top 59%)6721(Top 1275%)
Half13.11 mi0.68 mi18882+577050+357050+3517753(Top 67%)6331(Top 55%)6331(Top 1201%)
25K15.53 mi2.42 mi18588+2946885+1656885+16517025(Top 64%)6025(Top 53%)6025(Top 1143%)
30K18.64 mi3.11 mi17954+6346537+3486537+34815340(Top 58%)5140(Top 45%)5140(Top 975%)
20M20.00 mi1.36 mi17717+2376408+1296408+12915028(Top 56%)5017(Top 44%)5017(Top 952%)
21M21.00 mi1.00 mi17567+1506339+696339+6915214(Top 57%)5186(Top 45%)5186(Top 984%)
35K21.75 mi0.75 mi17454+1136278+616278+6114916(Top 56%)5071(Top 44%)5071(Top 962%)
23M23.00 mi1.25 mi17336+1186218+606218+6015529(Top 58%)5474(Top 48%)5474(Top 1039%)
24M24.00 mi1.00 mi17273+636188+306188+3016137(Top 61%)5887(Top 52%)5887(Top 1117%)
40K24.85 mi0.85 mi17256+176204-166204-1616852(Top 63%)6317(Top 55%)6317(Top 1199%)
25.2M25.20 mi0.35 mi17246+106206-26206-216249(Top 61%)6016(Top 53%)6016(Top 1142%)
Finish26.22 mi1.02 mi17497-2516363-1576363-15721258(Top 80%)8690(Top 76%)8690(Top 1649%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18957

Females

7072

F60-64

7072

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18844

Females

6985

F60-64

6985

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18957

Females

7072

F60-64

7072

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

18381

Females

6721

F60-64

6721

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17753

Females

6331

F60-64

6331

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

17025

Females

6025

F60-64

6025

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15340

Females

5140

F60-64

5140

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15028

Females

5017

F60-64

5017

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

15214

Females

5186

F60-64

5186

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

14916

Females

5071

F60-64

5071

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15529

Females

5474

F60-64

5474

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16137

Females

5887

F60-64

5887

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16852

Females

6317

F60-64

6317

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16249

Females

6016

F60-64

6016

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21258

Females

8690

F60-64

8690

Passing Analysis

Category:
Athletes Passed
3126
Passed By
787
Net Change
+2339
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19836
5K → 10K659147+512#19836#19324
10K → 15K275113+162#19324#19162
15K → 20K27956+223#19162#18939
20K → Half7114+57#18939#18882
Half → 25K30612+294#18882#18588
25K → 30K6428+634#18588#17954
30K → 20M2447+237#17954#17717
20M → 21M17727+150#17717#17567
21M → 35K1185+113#17567#17454
35K → 23M14729+118#17454#17336
23M → 24M9431+63#17336#17273
24M → 40K7659+17#17273#17256
40K → 25.2M2616+10#17256#17246
25.2M → Finish12263-251#17246#17497
TOTALS3126787+2339
📊

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