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BOSTON MARATHON 2023

Stephanie Douglass

Bib: 22158•F

MA

Masters
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0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Masters (Masters Women)
#0 / 6539
Top 38%
Age Group (F50-54)
#0 / 1207
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
26:32
Rank: #17845
Start → 5K
26:32 | 8:32/mi
10K· 6.21 mi
52:36
Rank: #17681 (+164)
5K → 10K
26:04 | 8:23/mi
15K· 9.32 mi
1:18:56
Rank: #17644 (+37)
10K → 15K
26:20 | 8:29/mi
20K· 12.43 mi
1:45:50
Rank: #17665 (-21)
15K → 20K
26:54 | 8:39/mi
Half· 13.11 mi
1:51:27
Rank: #17578 (+87)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:12:13
Rank: #17391 (+187)
Half → 25K
20:46 | 8:34/mi
30K· 18.64 mi
2:39:13
Rank: #17009 (+382)
25K → 30K
27:00 | 8:41/mi
20M
2:51:04
Rank: #16866 (+143)
30K → 20M
11:51 | 8:43/mi
21M
3:00:04
Rank: #16660 (+206)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
3:06:25
Rank: #16593 (+67)
21M → 35K
6:21 | 8:29/mi
23M
3:17:19
Rank: #16448 (+145)
35K → 23M
10:54 | 8:42/mi
24M
3:25:46
Rank: #16338 (+110)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:33:06
Rank: #16222 (+116)
24M → 40K
7:20 | 8:35/mi
25.2M
3:36:14
Rank: #16176 (+46)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:44:34
Rank: #16066 (+110)
25.2M → Finish
8:20 | 8:11/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:51:27
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:53:07
Pace8:38 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4326:328:3226:32
8:32
-
10K
6.21 mi11:47:4752:368:2826:04
8:23
-0:09
15K
9.32 mi12:14:071:18:568:2826:20
8:29
+0:06
20K
12.43 mi12:41:011:45:508:3126:54
8:39
+0:10
Half
13.11 mi12:46:381:51:278:305:37
8:14
-0:25
25K
15.53 mi13:07:242:12:138:3120:46
8:34
+0:20
30K
18.64 mi13:34:242:39:138:3227:00
8:41
+0:07
20M
20.00 mi13:46:152:51:048:3311:51
8:43
+0:02
21M
21.00 mi13:55:153:00:048:349:00
9:00
+0:17
35K
21.75 mi14:01:363:06:258:346:21
8:29
-0:31
23M
23.00 mi14:12:303:17:198:3510:54
8:42
+0:13
24M
24.00 mi14:20:573:25:468:348:27
8:27
-0:15
40K
24.85 mi14:28:173:33:068:347:20
8:35
+0:08
25.2M
25.20 mi14:31:253:36:148:353:08
9:05
+0:30
Finish
26.22 mi14:39:453:44:348:348:20
8:11
-0:54

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:34 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:41:26

99% of race

Time at Steady Pace

3:08

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:34 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:21:4326:328:3226:32
8:32
#17845
10K
6.21 mi11:47:4752:368:2826:04
8:23
#17681
15K
9.32 mi12:14:071:18:568:2826:20
8:29
#17644
20K
12.43 mi12:41:011:45:508:3126:54
8:39
#17665
Half
13.11 mi12:46:381:51:278:305:37
8:14
#17578
25K
15.53 mi13:07:242:12:138:3120:46
8:34
#17391
30K
18.64 mi13:34:242:39:138:3227:00
8:41
#17009
20M
20.00 mi13:46:152:51:048:3311:51
8:43
#16866
21M
21.00 mi13:55:153:00:048:349:00
9:00
#16660
35K
21.75 mi14:01:363:06:258:346:21
8:29
#16593
23M
23.00 mi14:12:303:17:198:3510:54
8:42
#16448
24M
24.00 mi14:20:573:25:468:348:27
8:27
#16338
40K
24.85 mi14:28:173:33:068:347:20
8:35
#16222
25.2M
25.20 mi14:31:253:36:148:353:08
9:05
#16176
Finish
26.22 mi14:39:453:44:348:348:20
8:11
#16066
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi178456450645017638(Top 66%)6293(Top 55%)6293(Top 521%)
10K6.21 mi3.10 mi17681+1646332+1186332+11817527(Top 66%)6195(Top 54%)6195(Top 513%)
15K9.32 mi3.11 mi17644+376300+326300+3217638(Top 66%)6293(Top 55%)6293(Top 521%)
20K12.43 mi3.11 mi17665-216319-196319-1917859(Top 67%)6424(Top 56%)6424(Top 532%)
Half13.11 mi0.68 mi17578+876268+516268+5116085(Top 60%)5353(Top 47%)5353(Top 443%)
25K15.53 mi2.42 mi17391+1876170+986170+9816595(Top 62%)5769(Top 51%)5769(Top 478%)
30K18.64 mi3.11 mi17009+3825966+2045966+20415472(Top 58%)5206(Top 46%)5206(Top 431%)
20M20.00 mi1.36 mi16866+1435893+735893+7315016(Top 56%)5005(Top 44%)5005(Top 415%)
21M21.00 mi1.00 mi16660+2065795+985795+9813454(Top 51%)4199(Top 37%)4199(Top 348%)
35K21.75 mi0.75 mi16593+675769+265769+2615283(Top 57%)5287(Top 46%)5287(Top 438%)
23M23.00 mi1.25 mi16448+1455699+705699+7014444(Top 54%)4881(Top 43%)4881(Top 404%)
24M24.00 mi1.00 mi16338+1105649+505649+5014219(Top 53%)4805(Top 42%)4805(Top 398%)
40K24.85 mi0.85 mi16222+1165606+435606+4313855(Top 52%)4668(Top 41%)4668(Top 387%)
25.2M25.20 mi0.35 mi16176+465583+235583+2313105(Top 49%)4303(Top 38%)4303(Top 357%)
Finish26.22 mi1.02 mi16066+1105525+585525+5813328(Top 50%)4387(Top 38%)4387(Top 363%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17638

Females

6293

F50-54

6293

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17527

Females

6195

F50-54

6195

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17638

Females

6293

F50-54

6293

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17859

Females

6424

F50-54

6424

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

16085

Females

5353

F50-54

5353

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16595

Females

5769

F50-54

5769

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15472

Females

5206

F50-54

5206

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15016

Females

5005

F50-54

5005

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13454

Females

4199

F50-54

4199

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15283

Females

5287

F50-54

5287

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14444

Females

4881

F50-54

4881

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14219

Females

4805

F50-54

4805

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13855

Females

4668

F50-54

4668

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13105

Females

4303

F50-54

4303

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13328

Females

4387

F50-54

4387

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2575
Passed By
796
Net Change
+1779
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17845
5K → 10K410246+164#17845#17681
10K → 15K213176+37#17681#17644
15K → 20K167188-21#17644#17665
20K → Half914+87#17665#17578
Half → 25K22235+187#17578#17391
25K → 30K40725+382#17391#17009
30K → 20M15916+143#17009#16866
20M → 21M2093+206#16866#16660
21M → 35K8518+67#16660#16593
35K → 23M16520+145#16593#16448
23M → 24M13121+110#16448#16338
24M → 40K12711+116#16338#16222
40K → 25.2M5610+46#16222#16176
25.2M → Finish13323+110#16176#16066
TOTALS2575796+1779
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing