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BOSTON MARATHON 2023

Sally Dalziel

Bib: 22281•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
26:18
Rank: #17330
Start → 5K
26:18 | 8:28/mi
10K· 6.21 mi
52:37
Rank: #17704 (-374)
5K → 10K
26:19 | 8:28/mi
15K· 9.32 mi
1:19:20
Rank: #17922 (-218)
10K → 15K
26:43 | 8:36/mi
20K· 12.43 mi
1:46:40
Rank: #18110 (-188)
15K → 20K
27:20 | 8:48/mi
Half· 13.11 mi
1:52:38
Rank: #18156 (-46)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:14:15
Rank: #18225 (-69)
Half → 25K
21:37 | 8:55/mi
30K· 18.64 mi
2:42:28
Rank: #18074 (+151)
25K → 30K
28:13 | 9:05/mi
20M
2:55:01
Rank: #18042 (+32)
30K → 20M
12:33 | 9:14/mi
21M
3:04:34
Rank: #17918 (+124)
20M → 21M
9:33 | 9:33/mi
35K· 21.75 mi
3:11:14
Rank: #17899 (+19)
21M → 35K
6:40 | 8:55/mi
23M
3:22:34
Rank: #17830 (+69)
35K → 23M
11:20 | 9:03/mi
24M
3:31:20
Rank: #17738 (+92)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:38:59
Rank: #17681 (+57)
24M → 40K
7:39 | 8:57/mi
25.2M
3:42:18
Rank: #17655 (+26)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:51:14
Rank: #17615 (+40)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:38
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time1:58:36
Pace9:03 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4126:188:2826:18
8:28
-
10K
6.21 mi11:47:0052:378:2826:19
8:28
0:00
15K
9.32 mi12:13:431:19:208:3126:43
8:36
+0:08
20K
12.43 mi12:41:031:46:408:3527:20
8:48
+0:12
Half
13.11 mi12:47:011:52:388:355:58
8:45
-0:03
25K
15.53 mi13:08:382:14:158:3921:37
8:55
+0:10
30K
18.64 mi13:36:512:42:288:4328:13
9:05
+0:10
20M
20.00 mi13:49:242:55:018:4512:33
9:14
+0:09
21M
21.00 mi13:58:573:04:348:479:33
9:33
+0:19
35K
21.75 mi14:05:373:11:148:486:40
8:55
-0:38
23M
23.00 mi14:16:573:22:348:4811:20
9:03
+0:08
24M
24.00 mi14:25:433:31:208:488:46
8:46
-0:17
40K
24.85 mi14:33:223:38:598:497:39
8:57
+0:11
25.2M
25.20 mi14:36:413:42:188:493:19
9:37
+0:40
Finish
26.22 mi14:45:373:51:148:508:56
8:46
-0:51

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

8:28 /mi

Average Pace

8:50 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:38:22

94% of race

Time at Steady Pace

12:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:49 /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 mi11:20:4126:188:2826:18
8:28
#17330
10K
6.21 mi11:47:0052:378:2826:19
8:28
#17704
15K
9.32 mi12:13:431:19:208:3126:43
8:36
#17922
20K
12.43 mi12:41:031:46:408:3527:20
8:48
#18110
Half
13.11 mi12:47:011:52:388:355:58
8:45
#18156
25K
15.53 mi13:08:382:14:158:3921:37
8:55
#18225
30K
18.64 mi13:36:512:42:288:4328:13
9:05
#18074
20M
20.00 mi13:49:242:55:018:4512:33
9:14
#18042
21M
21.00 mi13:58:573:04:348:479:33
9:33
#17918
35K
21.75 mi14:05:373:11:148:486:40
8:55
#17899
23M
23.00 mi14:16:573:22:348:4811:20
9:03
#17830
24M
24.00 mi14:25:433:31:208:488:46
8:46
#17738
40K
24.85 mi14:33:223:38:598:497:39
8:57
#17681
25.2M
25.20 mi14:36:413:42:188:493:19
9:37
#17655
Finish
26.22 mi14:45:373:51:148:508:56
8:46
#17615
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi173306149614918448(Top 69%)6763(Top 59%)6763(Top 1283%)
10K6.21 mi3.10 mi17704-3746352-2036352-20318072(Top 68%)6520(Top 57%)6520(Top 1237%)
15K9.32 mi3.11 mi17922-2186476-1246476-12418448(Top 69%)6763(Top 59%)6763(Top 1283%)
20K12.43 mi3.11 mi18110-1886575-996575-9918668(Top 70%)6894(Top 60%)6894(Top 1308%)
Half13.11 mi0.68 mi18156-466606-316606-3119199(Top 72%)7190(Top 63%)7190(Top 1364%)
25K15.53 mi2.42 mi18225-696665-596665-5918543(Top 70%)6875(Top 60%)6875(Top 1305%)
30K18.64 mi3.11 mi18074+1516611+546611+5417614(Top 66%)6424(Top 56%)6424(Top 1219%)
20M20.00 mi1.36 mi18042+326612-16612-117734(Top 67%)6598(Top 58%)6598(Top 1252%)
21M21.00 mi1.00 mi17918+1246543+696543+6916232(Top 61%)5760(Top 50%)5760(Top 1093%)
35K21.75 mi0.75 mi17899+196537+66537+617525(Top 66%)6567(Top 57%)6567(Top 1246%)
23M23.00 mi1.25 mi17830+696519+186519+1816340(Top 61%)5940(Top 52%)5940(Top 1127%)
24M24.00 mi1.00 mi17738+926473+466473+4616057(Top 60%)5844(Top 51%)5844(Top 1109%)
40K24.85 mi0.85 mi17681+576449+246449+2415908(Top 60%)5806(Top 51%)5806(Top 1102%)
25.2M25.20 mi0.35 mi17655+266435+146435+1415812(Top 59%)5768(Top 50%)5768(Top 1094%)
Finish26.22 mi1.02 mi17615+406428+76428+716873(Top 63%)6305(Top 55%)6305(Top 1196%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18448

Females

6763

F60-64

6763

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18072

Females

6520

F60-64

6520

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18448

Females

6763

F60-64

6763

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18668

Females

6894

F60-64

6894

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19199

Females

7190

F60-64

7190

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18543

Females

6875

F60-64

6875

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17614

Females

6424

F60-64

6424

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17734

Females

6598

F60-64

6598

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16232

Females

5760

F60-64

5760

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17525

Females

6567

F60-64

6567

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16340

Females

5940

F60-64

5940

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

16057

Females

5844

F60-64

5844

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15908

Females

5806

F60-64

5806

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15812

Females

5768

F60-64

5768

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16873

Females

6305

F60-64

6305

Passing Analysis

Category:
Athletes Passed
1521
Passed By
1806
Net Change
-285
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17330
5K → 10K159533-374#17330#17704
10K → 15K111329-218#17704#17922
15K → 20K112300-188#17922#18110
20K → Half1359-46#18110#18156
Half → 25K106175-69#18156#18225
25K → 30K258107+151#18225#18074
30K → 20M10573+32#18074#18042
20M → 21M15733+124#18042#17918
21M → 35K5233+19#17918#17899
35K → 23M12556+69#17899#17830
23M → 24M11422+92#17830#17738
24M → 40K8225+57#17738#17681
40K → 25.2M4216+26#17681#17655
25.2M → Finish8545+40#17655#17615
TOTALS15211806-285
📊

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