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BOSTON MARATHON 2023

Jackie Guthart

Bib: 23862•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:31
Rank: #17811
Start → 5K
26:31 | 8:32/mi
10K· 6.21 mi
53:50
Rank: #18914 (-1103)
5K → 10K
27:19 | 8:48/mi
15K· 9.32 mi
1:21:43
Rank: #19435 (-521)
10K → 15K
27:53 | 8:58/mi
20K· 12.43 mi
1:49:24
Rank: #19331 (+104)
15K → 20K
27:41 | 8:55/mi
Half· 13.11 mi
1:55:24
Rank: #19335 (-4)
20K → Half
6:00 | 8:48/mi
25K· 15.53 mi
2:16:50
Rank: #19133 (+202)
Half → 25K
21:26 | 8:50/mi
30K· 18.64 mi
2:45:18
Rank: #18933 (+200)
25K → 30K
28:28 | 9:10/mi
20M
2:57:50
Rank: #18832 (+101)
30K → 20M
12:32 | 9:13/mi
21M
3:07:36
Rank: #18710 (+122)
20M → 21M
9:46 | 9:46/mi
35K· 21.75 mi
3:14:23
Rank: #18683 (+27)
21M → 35K
6:47 | 9:04/mi
23M
3:26:05
Rank: #18620 (+63)
35K → 23M
11:42 | 9:21/mi
24M
3:35:08
Rank: #18571 (+49)
23M → 24M
9:03 | 9:03/mi
40K· 24.85 mi
3:43:06
Rank: #18535 (+36)
24M → 40K
7:58 | 9:19/mi
25.2M
3:46:35
Rank: #18510 (+25)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:55:54
Rank: #18542 (-32)
25.2M → Finish
9:19 | 9:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:24
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:00:30
Pace9:12 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0826:318:3226:31
8:32
-
10K
6.21 mi11:52:2753:508:4027:19
8:48
+0:16
15K
9.32 mi12:20:201:21:438:4627:53
8:58
+0:10
20K
12.43 mi12:48:011:49:248:4827:41
8:55
-0:03
Half
13.11 mi12:54:011:55:248:486:00
8:48
-0:07
25K
15.53 mi13:15:272:16:508:4921:26
8:50
+0:02
30K
18.64 mi13:43:552:45:188:5228:28
9:10
+0:20
20M
20.00 mi13:56:272:57:508:5312:32
9:13
+0:03
21M
21.00 mi14:06:133:07:368:569:46
9:46
+0:33
35K
21.75 mi14:13:003:14:238:566:47
9:04
-0:42
23M
23.00 mi14:24:423:26:058:5811:42
9:21
+0:17
24M
24.00 mi14:33:453:35:088:589:03
9:03
-0:18
40K
24.85 mi14:41:433:43:068:597:58
9:19
+0:16
25.2M
25.20 mi14:45:123:46:358:593:29
10:06
+0:47
Finish
26.22 mi14:54:313:55:549:009:19
9:09
-0:57

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

8:32 /mi

Average Pace

9:00 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:42:39

94% of race

Time at Steady Pace

9:46

4% of race

Time at Slower Pace

3:29

1% of race

Average Pace: 9:00 /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 mi11:25:0826:318:3226:31
8:32
#17811
10K
6.21 mi11:52:2753:508:4027:19
8:48
#18914
15K
9.32 mi12:20:201:21:438:4627:53
8:58
#19435
20K
12.43 mi12:48:011:49:248:4827:41
8:55
#19331
Half
13.11 mi12:54:011:55:248:486:00
8:48
#19335
25K
15.53 mi13:15:272:16:508:4921:26
8:50
#19133
30K
18.64 mi13:43:552:45:188:5228:28
9:10
#18933
20M
20.00 mi13:56:272:57:508:5312:32
9:13
#18832
21M
21.00 mi14:06:133:07:368:569:46
9:46
#18710
35K
21.75 mi14:13:003:14:238:566:47
9:04
#18683
23M
23.00 mi14:24:423:26:058:5811:42
9:21
#18620
24M
24.00 mi14:33:453:35:088:589:03
9:03
#18571
40K
24.85 mi14:41:433:43:068:597:58
9:19
#18535
25.2M
25.20 mi14:45:123:46:358:593:29
10:06
#18510
Finish
26.22 mi14:54:313:55:549:009:19
9:09
#18542
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi178116433643320391(Top 77%)7893(Top 69%)7893(Top 1498%)
10K6.21 mi3.10 mi18914-11037090-6577090-65719889(Top 75%)7634(Top 67%)7634(Top 1449%)
15K9.32 mi3.11 mi19435-5217414-3247414-32420391(Top 77%)7893(Top 69%)7893(Top 1498%)
20K12.43 mi3.11 mi19331+1047325+897325+8919257(Top 72%)7244(Top 63%)7244(Top 1375%)
Half13.11 mi0.68 mi19335-47324+17324+119479(Top 73%)7357(Top 64%)7357(Top 1396%)
25K15.53 mi2.42 mi19133+2027197+1277197+12718190(Top 68%)6662(Top 58%)6662(Top 1264%)
30K18.64 mi3.11 mi18933+2007099+987099+9818001(Top 68%)6652(Top 58%)6652(Top 1262%)
20M20.00 mi1.36 mi18832+1017059+407059+4017680(Top 66%)6569(Top 58%)6569(Top 1246%)
21M21.00 mi1.00 mi18710+1226994+656994+6517149(Top 64%)6284(Top 55%)6284(Top 1192%)
35K21.75 mi0.75 mi18683+276985+96985+918203(Top 68%)6955(Top 61%)6955(Top 1320%)
23M23.00 mi1.25 mi18620+636961+246961+2417726(Top 67%)6707(Top 59%)6707(Top 1273%)
24M24.00 mi1.00 mi18571+496948+136948+1317478(Top 66%)6626(Top 58%)6626(Top 1257%)
40K24.85 mi0.85 mi18535+366938+106938+1017628(Top 66%)6758(Top 59%)6758(Top 1282%)
25.2M25.20 mi0.35 mi18510+256931+76931+717821(Top 67%)6871(Top 60%)6871(Top 1304%)
Finish26.22 mi1.02 mi18542-326964-336964-3318670(Top 70%)7263(Top 64%)7263(Top 1378%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20391

Females

7893

F60-64

7893

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

19889

Females

7634

F60-64

7634

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20391

Females

7893

F60-64

7893

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

19257

Females

7244

F60-64

7244

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

19479

Females

7357

F60-64

7357

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18190

Females

6662

F60-64

6662

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

18001

Females

6652

F60-64

6652

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17680

Females

6569

F60-64

6569

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

17149

Females

6284

F60-64

6284

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18203

Females

6955

F60-64

6955

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17726

Females

6707

F60-64

6707

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17478

Females

6626

F60-64

6626

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17628

Females

6758

F60-64

6758

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17821

Females

6871

F60-64

6871

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18670

Females

7263

F60-64

7263

Passing Analysis

Category:
Athletes Passed
1526
Passed By
2257
Net Change
-731
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17811
5K → 10K601163-1103#17811#18914
10K → 15K44565-521#18914#19435
15K → 20K209105+104#19435#19331
20K → Half2529-4#19331#19335
Half → 25K23331+202#19335#19133
25K → 30K28080+200#19133#18933
30K → 20M13938+101#18933#18832
20M → 21M14422+122#18832#18710
21M → 35K5528+27#18710#18683
35K → 23M11148+63#18683#18620
23M → 24M7930+49#18620#18571
24M → 40K6731+36#18571#18535
40K → 25.2M3914+25#18535#18510
25.2M → Finish4173-32#18510#18542
TOTALS15262257-731
📊

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