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BOSTON MARATHON 2023

Kristyn Smith

Bib: 5726•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 18%
Gender (Female)
#0 / 11423
Top 3%
Masters (Masters Women)
#0 / 6539
Top 0.9%
Division (F40-44)
#0 / 1878
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:42
Rank: #6170
Start → 5K
21:42 | 6:59/mi
10K· 6.21 mi
42:35
Rank: #5450 (+720)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:03:26
Rank: #5053 (+397)
10K → 15K
20:51 | 6:43/mi
20K· 12.43 mi
1:24:55
Rank: #5169 (-116)
15K → 20K
21:29 | 6:55/mi
Half· 13.11 mi
1:29:37
Rank: #5226 (-57)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:46:36
Rank: #5301 (-75)
Half → 25K
16:59 | 7:00/mi
30K· 18.64 mi
2:08:56
Rank: #5300 (+1)
25K → 30K
22:20 | 7:11/mi
20M
2:18:33
Rank: #5209 (+91)
30K → 20M
9:37 | 7:05/mi
21M
2:25:57
Rank: #5088 (+121)
20M → 21M
7:24 | 7:24/mi
35K· 21.75 mi
2:31:06
Rank: #5056 (+32)
21M → 35K
5:09 | 6:53/mi
23M
2:40:06
Rank: #4989 (+67)
35K → 23M
9:00 | 7:11/mi
24M
2:46:53
Rank: #4882 (+107)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:52:56
Rank: #4831 (+51)
24M → 40K
6:03 | 7:05/mi
25.2M
2:55:35
Rank: #4808 (+23)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:02:44
Rank: #4773 (+35)
25.2M → Finish
7:09 | 7:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:37
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:33:07
Pace7:06 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3821:426:5921:42
6:59
-
10K
6.21 mi10:45:3142:356:5120:53
6:43
-0:16
15K
9.32 mi11:06:221:03:266:4820:51
6:43
0:00
20K
12.43 mi11:27:511:24:556:5021:29
6:55
+0:12
Half
13.11 mi11:32:331:29:376:504:42
6:53
-0:02
25K
15.53 mi11:49:321:46:366:5216:59
7:00
+0:07
30K
18.64 mi12:11:522:08:566:5522:20
7:11
+0:11
20M
20.00 mi12:21:292:18:336:569:37
7:05
-0:06
21M
21.00 mi12:28:532:25:576:577:24
7:24
+0:19
35K
21.75 mi12:34:022:31:066:575:09
6:53
-0:31
23M
23.00 mi12:43:022:40:066:589:00
7:11
+0:18
24M
24.00 mi12:49:492:46:536:576:47
6:47
-0:24
40K
24.85 mi12:55:522:52:566:576:03
7:05
+0:18
25.2M
25.20 mi12:58:312:55:356:582:39
7:41
+0:36
Finish
26.22 mi13:05:403:02:446:587:09
7:01
-0:40

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

6:43 /mi

Average Pace

6:58 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:41

95% of race

Time at Steady Pace

10:03

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:58 /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 mi10:24:3821:426:5921:42
6:59
#6170
10K
6.21 mi10:45:3142:356:5120:53
6:43
#5450
15K
9.32 mi11:06:221:03:266:4820:51
6:43
#5053
20K
12.43 mi11:27:511:24:556:5021:29
6:55
#5169
Half
13.11 mi11:32:331:29:376:504:42
6:53
#5226
25K
15.53 mi11:49:321:46:366:5216:59
7:00
#5301
30K
18.64 mi12:11:522:08:566:5522:20
7:11
#5300
20M
20.00 mi12:21:292:18:336:569:37
7:05
#5209
21M
21.00 mi12:28:532:25:576:577:24
7:24
#5088
35K
21.75 mi12:34:022:31:066:575:09
6:53
#5056
23M
23.00 mi12:43:022:40:066:589:00
7:11
#4989
24M
24.00 mi12:49:492:46:536:576:47
6:47
#4882
40K
24.85 mi12:55:522:52:566:576:03
7:05
#4831
25.2M
25.20 mi12:58:312:55:356:582:39
7:41
#4808
Finish
26.22 mi13:05:403:02:446:587:09
7:01
#4773
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi61705305304258(Top 16%)263(Top 2%)263(Top 14%)
10K6.21 mi3.10 mi5450+720412+118412+1184583(Top 17%)302(Top 3%)302(Top 16%)
15K9.32 mi3.11 mi5053+397357+55357+554258(Top 16%)263(Top 2%)263(Top 14%)
20K12.43 mi3.11 mi5169-116372-15372-155454(Top 20%)416(Top 4%)416(Top 22%)
Half13.11 mi0.68 mi5226-57376-4376-45968(Top 22%)488(Top 4%)488(Top 26%)
25K15.53 mi2.42 mi5301-75388-12388-125612(Top 21%)452(Top 4%)452(Top 24%)
30K18.64 mi3.11 mi5300+1398-10398-105443(Top 20%)487(Top 4%)487(Top 26%)
20M20.00 mi1.36 mi5209+91390+8390+84503(Top 17%)362(Top 3%)362(Top 19%)
21M21.00 mi1.00 mi5088+121379+11379+114147(Top 16%)339(Top 3%)339(Top 18%)
35K21.75 mi0.75 mi5056+32381-2381-24722(Top 18%)439(Top 4%)439(Top 23%)
23M23.00 mi1.25 mi4989+673813814748(Top 18%)470(Top 4%)470(Top 25%)
24M24.00 mi1.00 mi4882+107361+20361+203591(Top 13%)292(Top 3%)292(Top 16%)
40K24.85 mi0.85 mi4831+51362-1362-14275(Top 16%)466(Top 4%)466(Top 25%)
25.2M25.20 mi0.35 mi4808+23365-3365-34846(Top 18%)653(Top 6%)653(Top 35%)
Finish26.22 mi1.02 mi4773+35362+3362+35322(Top 20%)821(Top 7%)821(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4258

Females

263

F40-44

263

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4583

Females

302

F40-44

302

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4258

Females

263

F40-44

263

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5454

Females

416

F40-44

416

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5968

Females

488

F40-44

488

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5612

Females

452

F40-44

452

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5443

Females

487

F40-44

487

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4503

Females

362

F40-44

362

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4147

Females

339

F40-44

339

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4722

Females

439

F40-44

439

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4748

Females

470

F40-44

470

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3591

Females

292

F40-44

292

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4275

Females

466

F40-44

466

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4846

Females

653

F40-44

653

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5322

Females

821

F40-44

821

Passing Analysis

Category:
Athletes Passed
2113
Passed By
716
Net Change
+1397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6170
5K → 10K74222+720#6170#5450
10K → 15K40912+397#5450#5053
15K → 20K71187-116#5053#5169
20K → Half966-57#5169#5226
Half → 25K72147-75#5226#5301
25K → 30K132131+1#5301#5300
30K → 20M11625+91#5300#5209
20M → 21M13211+121#5209#5088
21M → 35K4816+32#5088#5056
35K → 23M9932+67#5056#4989
23M → 24M1158+107#4989#4882
24M → 40K6615+51#4882#4831
40K → 25.2M3815+23#4831#4808
25.2M → Finish6429+35#4808#4773
TOTALS2113716+1397
📊

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