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BOSTON MARATHON 2023

Stephanie Bartlett

Bib: 22106•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 42%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:12/mi
25:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
50:56
↑ 79↓ 1380.4%
15K· 9.32 mi
8:15/mi
1:16:35
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:43:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:49:11
↑ 19↓ 370.5%
25K· 15.53 mi
8:49/mi
2:10:34
↑ 66↓ 880.2%
30K· 18.64 mi
9:04/mi
2:38:45
↑ 181↓ 1480.2%
20M
9:07/mi
2:51:09
↑ 64↓ 500.2%
21M
10:20/mi
3:01:29
↑ 106↓ 241.6%
35K· 21.75 mi
8:36/mi
3:07:55
↑ 17↓ 861.7%
23M
8:50/mi
3:18:59
↑ 23↓ 630.6%
24M
8:21/mi
3:27:20
↓ 821.3%
40K· 24.85 mi
8:52/mi
3:34:55
↓ 200.3%
25.2M
9:46/mi
3:38:17
↑ 13↓ 160.2%
Finish· 26.22 mi
8:45/mi
3:47:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:11
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:58:01
Pace9:00 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1925:308:1225:30
8:12
-
10K
6.21 mi11:44:4550:568:1225:26
8:11
-0:01
15K
9.32 mi12:10:241:16:358:1325:39
8:15
+0:04
20K
12.43 mi12:37:151:43:268:1926:51
8:39
+0:24
Half
13.11 mi12:43:001:49:118:205:45
8:26
-0:13
25K
15.53 mi13:04:232:10:348:2421:23
8:49
+0:23
30K
18.64 mi13:32:342:38:458:3128:11
9:04
+0:15
20M
20.00 mi13:44:582:51:098:3312:24
9:07
+0:03
21M
21.00 mi13:55:183:01:298:3910:20
10:20
+1:13
35K
21.75 mi14:01:443:07:558:386:26
8:36
-1:44
23M
23.00 mi14:12:483:18:598:3911:04
8:50
+0:14
24M
24.00 mi14:21:093:27:208:388:21
8:21
-0:29
40K
24.85 mi14:28:443:34:558:397:35
8:52
+0:31
25.2M
25.20 mi14:32:063:38:178:403:22
9:46
+0:54
Finish
26.22 mi14:41:013:47:128:408:55
8:45
-1:01

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

8:40 /mi

Slowest Pace

10:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:41

40% of race

Time at Steady Pace

1:22:14

36% of race

Time at Slower Pace

54:17

24% of race

Average Pace: 8:40 /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 mi11:19:1925:308:1225:30
8:12
#15535
10K
6.21 mi11:44:4550:568:1225:26
8:11
#15815
15K
9.32 mi12:10:241:16:358:1325:39
8:15
#15952
20K
12.43 mi12:37:151:43:268:1926:51
8:39
#16449
Half
13.11 mi12:43:001:49:118:205:45
8:26
#16491
25K
15.53 mi13:04:232:10:348:2421:23
8:49
#16769
30K
18.64 mi13:32:342:38:458:3128:11
9:04
#16865
20M
20.00 mi13:44:582:51:098:3312:24
9:07
#16893
21M
21.00 mi13:55:183:01:298:3910:20
10:20
#17046
35K
21.75 mi14:01:443:07:558:386:26
8:36
#17001
23M
23.00 mi14:12:483:18:598:3911:04
8:50
#16890
24M
24.00 mi14:21:093:27:208:388:21
8:21
#16742
40K
24.85 mi14:28:443:34:558:397:35
8:52
#16697
25.2M
25.20 mi14:32:063:38:178:403:22
9:46
#16680
Finish
26.22 mi14:41:013:47:128:408:55
8:45
#16676
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi155354994499416269(Top 61%)5454(Top 48%)5454(Top 300%)
10K6.21 mi3.10 mi15815-2805169-1755169-17516171(Top 61%)5386(Top 47%)5386(Top 296%)
15K9.32 mi3.11 mi15952-1375252-835252-8316269(Top 61%)5454(Top 48%)5454(Top 300%)
20K12.43 mi3.11 mi16449-4975574-3225574-32217756(Top 67%)6374(Top 56%)6374(Top 351%)
Half13.11 mi0.68 mi16491-425611-375611-3717335(Top 65%)6081(Top 53%)6081(Top 335%)
25K15.53 mi2.42 mi16769-2785812-2015812-20118062(Top 68%)6583(Top 58%)6583(Top 362%)
30K18.64 mi3.11 mi16865-965878-665878-6617547(Top 66%)6381(Top 56%)6381(Top 351%)
20M20.00 mi1.36 mi16893-285910-325910-3217197(Top 65%)6278(Top 55%)6278(Top 346%)
21M21.00 mi1.00 mi17046-1536019-1096019-10919113(Top 72%)7399(Top 65%)7399(Top 407%)
35K21.75 mi0.75 mi17001+455995+245995+2415888(Top 60%)5623(Top 49%)5623(Top 309%)
23M23.00 mi1.25 mi16890+1115960+355960+3515221(Top 57%)5302(Top 46%)5302(Top 292%)
24M24.00 mi1.00 mi16742+1485888+725888+7213583(Top 51%)4452(Top 39%)4452(Top 245%)
40K24.85 mi0.85 mi16697+455879+95879+915481(Top 58%)5575(Top 49%)5575(Top 307%)
25.2M25.20 mi0.35 mi16680+175877+25877+216415(Top 62%)6109(Top 53%)6109(Top 336%)
Finish26.22 mi1.02 mi16676+45885-85885-816780(Top 63%)6243(Top 55%)6243(Top 344%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16269

Females

5454

F45-49

5454

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16171

Females

5386

F45-49

5386

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16269

Females

5454

F45-49

5454

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17756

Females

6374

F45-49

6374

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17335

Females

6081

F45-49

6081

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18062

Females

6583

F45-49

6583

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17547

Females

6381

F45-49

6381

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17197

Females

6278

F45-49

6278

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

19113

Females

7399

F45-49

7399

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

15888

Females

5623

F45-49

5623

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15221

Females

5302

F45-49

5302

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13583

Females

4452

F45-49

4452

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15481

Females

5575

F45-49

5575

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16415

Females

6109

F45-49

6109

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16780

Females

6243

F45-49

6243

Passing Analysis

Category:
Athletes Passed
1275
Passed By
2416
Net Change
-1141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15535
5K → 10K185465-280#15535#15815
10K → 15K138275-137#15815#15952
15K → 20K54551-497#15952#16449
20K → Half2163-42#16449#16491
Half → 25K64342-278#16491#16769
25K → 30K146242-96#16769#16865
30K → 20M7098-28#16865#16893
20M → 21M42195-153#16893#17046
21M → 35K7631+45#17046#17001
35K → 23M14130+111#17001#16890
23M → 24M1579+148#16890#16742
24M → 40K8035+45#16742#16697
40K → 25.2M3720+17#16697#16680
25.2M → Finish6460+4#16680#16676
TOTALS12752416-1141
📊

Passing Visuals

Category:
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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