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BOSTON MARATHON 2023

Stephanie Zugrave

Bib: 19588•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 43%
Division (F40-44)
#0 / 1878
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
8:30/mi
26:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:20/mi
52:19
↑ 79↓ 1380.4%
15K· 9.32 mi
8:19/mi
1:18:09
↑ 67↓ 78
20K· 12.43 mi
8:23/mi
1:44:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:49:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:30/mi
2:10:27
↑ 66↓ 880.2%
30K· 18.64 mi
8:57/mi
2:38:16
↑ 181↓ 1480.2%
20M
9:07/mi
2:50:39
↑ 64↓ 500.2%
21M
9:36/mi
3:00:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:52/mi
3:06:53
↑ 17↓ 861.7%
23M
9:07/mi
3:18:18
↑ 23↓ 630.6%
24M
8:57/mi
3:27:15
↓ 821.3%
40K· 24.85 mi
9:12/mi
3:35:07
↓ 200.3%
25.2M
9:57/mi
3:38:33
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
3:47:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:50
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:58:04
Pace9:00 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0226:258:3026:25
8:30
-
10K
6.21 mi11:43:5652:198:2525:54
8:20
-0:10
15K
9.32 mi12:09:461:18:098:2325:50
8:19
-0:01
20K
12.43 mi12:35:501:44:138:2326:04
8:23
+0:04
Half
13.11 mi12:41:271:49:508:235:37
8:14
-0:09
25K
15.53 mi13:02:042:10:278:2420:37
8:30
+0:16
30K
18.64 mi13:29:532:38:168:2927:49
8:57
+0:27
20M
20.00 mi13:42:162:50:398:3212:23
9:07
+0:10
21M
21.00 mi13:51:523:00:158:359:36
9:36
+0:29
35K
21.75 mi13:58:303:06:538:366:38
8:52
-0:44
23M
23.00 mi14:09:553:18:188:3711:25
9:07
+0:15
24M
24.00 mi14:18:523:27:158:388:57
8:57
-0:10
40K
24.85 mi14:26:443:35:078:397:52
9:12
+0:15
25.2M
25.20 mi14:30:103:38:338:403:26
9:57
+0:45
Finish
26.22 mi14:39:313:47:548:429:21
9:11
-0:46

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

8:14 /mi

Average Pace

8:42 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:27

57% of race

Time at Steady Pace

1:16:33

34% of race

Time at Slower Pace

20:54

9% of race

Average Pace: 8:42 /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 mi11:18:0226:258:3026:25
8:30
#17585
10K
6.21 mi11:43:5652:198:2525:54
8:20
#17345
15K
9.32 mi12:09:461:18:098:2325:50
8:19
#17098
20K
12.43 mi12:35:501:44:138:2326:04
8:23
#16833
Half
13.11 mi12:41:271:49:508:235:37
8:14
#16816
25K
15.53 mi13:02:042:10:278:2420:37
8:30
#16721
30K
18.64 mi13:29:532:38:168:2927:49
8:57
#16718
20M
20.00 mi13:42:162:50:398:3212:23
9:07
#16734
21M
21.00 mi13:51:523:00:158:359:36
9:36
#16710
35K
21.75 mi13:58:303:06:538:366:38
8:52
#16719
23M
23.00 mi14:09:553:18:188:3711:25
9:07
#16715
24M
24.00 mi14:18:523:27:158:388:57
8:57
#16720
40K
24.85 mi14:26:443:35:078:397:52
9:12
#16740
25.2M
25.20 mi14:30:103:38:338:403:26
9:57
#16734
Finish
26.22 mi14:39:313:47:548:429:21
9:11
#16829
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi175856307630716650(Top 63%)5701(Top 50%)5701(Top 304%)
10K6.21 mi3.10 mi17345+2406136+1716136+17117179(Top 65%)5987(Top 52%)5987(Top 319%)
15K9.32 mi3.11 mi17098+2475967+1695967+16916650(Top 63%)5701(Top 50%)5701(Top 304%)
20K12.43 mi3.11 mi16833+2655822+1455822+14516199(Top 61%)5468(Top 48%)5468(Top 291%)
Half13.11 mi0.68 mi16816+175808+145808+1416103(Top 60%)5371(Top 47%)5371(Top 286%)
25K15.53 mi2.42 mi16721+955783+255783+2516236(Top 61%)5583(Top 49%)5583(Top 297%)
30K18.64 mi3.11 mi16718+35810-275810-2716937(Top 64%)6028(Top 53%)6028(Top 321%)
20M20.00 mi1.36 mi16734-165830-205830-2017138(Top 64%)6247(Top 55%)6247(Top 333%)
21M21.00 mi1.00 mi16710+245823+75823+716440(Top 62%)5879(Top 51%)5879(Top 313%)
35K21.75 mi0.75 mi16719-95833-105833-1017297(Top 65%)6437(Top 56%)6437(Top 343%)
23M23.00 mi1.25 mi16715+45854-215854-2116640(Top 63%)6103(Top 53%)6103(Top 325%)
24M24.00 mi1.00 mi16720-55875-215875-2117010(Top 64%)6360(Top 56%)6360(Top 339%)
40K24.85 mi0.85 mi16740-205904-295904-2917108(Top 64%)6462(Top 57%)6462(Top 344%)
25.2M25.20 mi0.35 mi16734+65913-95913-917228(Top 65%)6554(Top 57%)6554(Top 349%)
Finish26.22 mi1.02 mi16829-955976-635976-6318815(Top 71%)7337(Top 64%)7337(Top 391%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16650

Females

5701

F40-44

5701

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17179

Females

5987

F40-44

5987

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16650

Females

5701

F40-44

5701

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16199

Females

5468

F40-44

5468

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

16103

Females

5371

F40-44

5371

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

16236

Females

5583

F40-44

5583

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

16937

Females

6028

F40-44

6028

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

17138

Females

6247

F40-44

6247

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

16440

Females

5879

F40-44

5879

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17297

Females

6437

F40-44

6437

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16640

Females

6103

F40-44

6103

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

17010

Females

6360

F40-44

6360

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17108

Females

6462

F40-44

6462

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17228

Females

6554

F40-44

6554

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18815

Females

7337

F40-44

7337

Passing Analysis

Category:
Athletes Passed
1985
Passed By
1229
Net Change
+756
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17585
5K → 10K467227+240#17585#17345
10K → 15K33184+247#17345#17098
15K → 20K33368+265#17098#16833
20K → Half3114+17#16833#16816
Half → 25K16267+95#16816#16721
25K → 30K176173+3#16721#16718
30K → 20M8096-16#16718#16734
20M → 21M9571+24#16734#16710
21M → 35K3746-9#16710#16719
35K → 23M9288+4#16719#16715
23M → 24M6065-5#16715#16720
24M → 40K4969-20#16720#16740
40K → 25.2M3226+6#16740#16734
25.2M → Finish40135-95#16734#16829
TOTALS19851229+756
📊

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