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BOSTON MARATHON 2023

Sophie Starck

NY

Bib: 16275 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Division (F18-39)
#0 / 4884
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:08/mi
25:15
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:05/mi
50:22
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:55/mi
1:14:58
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:56/mi
1:39:38
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:52/mi
1:45:00
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:02/mi
2:04:28
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:06/mi
2:29:37
↑ 181↓ 1480.2%
138 ft elev
20M
8:24/mi
2:41:02
↑ 64↓ 500.2%
148 ft elev
21M
8:35/mi
2:49:37
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:12/mi
2:55:45
↑ 17↓ 861.7%
156 ft elev
23M
8:17/mi
3:06:07
↑ 23↓ 630.6%
116 ft elev
24M
8:04/mi
3:14:11
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:05/mi
3:21:06
↓ 200.3%
20 ft elev
25.2M
8:33/mi
3:24:03
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:35/mi
3:31:47
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:00
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:46:47
Pace8:09 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2425:158:0825:15
8:08
-
10K
6.21 mi11:40:3150:228:0625:07
8:05
-0:03
15K
9.32 mi12:05:071:14:588:0324:36
7:55
-0:10
20K
12.43 mi12:29:471:39:388:0124:40
7:56
+0:01
Half
13.11 mi12:35:091:45:008:015:22
7:52
-0:04
25K
15.53 mi12:54:372:04:288:0119:28
8:02
+0:10
30K
18.64 mi13:19:462:29:378:0225:09
8:06
+0:04
20M
20.00 mi13:31:112:41:028:0311:25
8:24
+0:18
21M
21.00 mi13:39:462:49:378:058:35
8:35
+0:11
35K
21.75 mi13:45:542:55:458:056:08
8:12
-0:23
23M
23.00 mi13:56:163:06:078:0610:22
8:17
+0:05
24M
24.00 mi14:04:203:14:118:058:04
8:04
-0:13
40K
24.85 mi14:11:153:21:068:056:55
8:05
+0:01
25.2M
25.20 mi14:14:123:24:038:062:57
8:33
+0:28
Finish
26.22 mi14:21:563:31:478:057:44
7:35
-0:58

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

7:35 /mi

Average Pace

8:05 /mi

Slowest Pace

8:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:50

89% of race

Time at Steady Pace

22:57

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:05 /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 mi11:15:2425:158:0825:15
8:08
#14915
10K
6.21 mi11:40:3150:228:0625:07
8:05
#15162
15K
9.32 mi12:05:071:14:588:0324:36
7:55
#14686
20K
12.43 mi12:29:471:39:388:0124:40
7:56
#14237
Half
13.11 mi12:35:091:45:008:015:22
7:52
#14191
25K
15.53 mi12:54:372:04:288:0119:28
8:02
#13961
30K
18.64 mi13:19:462:29:378:0225:09
8:06
#13483
20M
20.00 mi13:31:112:41:028:0311:25
8:24
#13438
21M
21.00 mi13:39:462:49:378:058:35
8:35
#13276
35K
21.75 mi13:45:542:55:458:056:08
8:12
#13267
23M
23.00 mi13:56:163:06:078:0610:22
8:17
#13137
24M
24.00 mi14:04:203:14:118:058:04
8:04
#13059
40K
24.85 mi14:11:153:21:068:056:55
8:05
#12959
25.2M
25.20 mi14:14:123:24:038:062:57
8:33
#12901
Finish
26.22 mi14:21:563:31:478:057:44
7:35
#12756
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi149154586458613724(Top 52%)3914(Top 34%)3914(Top 80%)
10K6.21 mi3.10 mi15162-2474749-1634749-16315408(Top 58%)4909(Top 43%)4909(Top 101%)
15K9.32 mi3.11 mi14686+4764465+2844465+28413724(Top 52%)3914(Top 34%)3914(Top 80%)
20K12.43 mi3.11 mi14237+4494221+2444221+24412954(Top 49%)3523(Top 31%)3523(Top 72%)
Half13.11 mi0.68 mi14191+464194+274194+2713357(Top 50%)3706(Top 32%)3706(Top 76%)
25K15.53 mi2.42 mi13961+2304087+1074087+10712987(Top 49%)3620(Top 32%)3620(Top 74%)
30K18.64 mi3.11 mi13483+4783830+2573830+25711617(Top 44%)2973(Top 26%)2973(Top 61%)
20M20.00 mi1.36 mi13438+453823+73823+713043(Top 49%)3879(Top 34%)3879(Top 79%)
21M21.00 mi1.00 mi13276+1623738+853738+8511003(Top 41%)2876(Top 25%)2876(Top 59%)
35K21.75 mi0.75 mi13267+93752-143752-1413428(Top 50%)4227(Top 37%)4227(Top 87%)
23M23.00 mi1.25 mi13137+1303696+563696+5611770(Top 44%)3392(Top 30%)3392(Top 69%)
24M24.00 mi1.00 mi13059+783684+123684+1211729(Top 44%)3448(Top 30%)3448(Top 71%)
40K24.85 mi0.85 mi12959+1003651+333651+3310685(Top 40%)2989(Top 26%)2989(Top 61%)
25.2M25.20 mi0.35 mi12901+583624+273624+279983(Top 37%)2699(Top 24%)2699(Top 55%)
Finish26.22 mi1.02 mi12756+1453555+693555+699252(Top 35%)2361(Top 21%)2361(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13724

Females

3914

F18-39

3914

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15408

Females

4909

F18-39

4909

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13724

Females

3914

F18-39

3914

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

12954

Females

3523

F18-39

3523

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13357

Females

3706

F18-39

3706

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

12987

Females

3620

F18-39

3620

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11617

Females

2973

F18-39

2973

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13043

Females

3879

F18-39

3879

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11003

Females

2876

F18-39

2876

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13428

Females

4227

F18-39

4227

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11770

Females

3392

F18-39

3392

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11729

Females

3448

F18-39

3448

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10685

Females

2989

F18-39

2989

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9983

Females

2699

F18-39

2699

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9252

Females

2361

F18-39

2361

Passing Analysis

Category:
Athletes Passed
2954
Passed By
795
Net Change
+2159
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14915
5K → 10K200447-247#14915#15162
10K → 15K50933+476#15162#14686
15K → 20K47425+449#14686#14237
20K → Half548+46#14237#14191
Half → 25K27242+230#14191#13961
25K → 30K49214+478#13961#13483
30K → 20M10257+45#13483#13438
20M → 21M18927+162#13438#13276
21M → 35K5849+9#13276#13267
35K → 23M16131+130#13267#13137
23M → 24M10830+78#13137#13059
24M → 40K11616+100#13059#12959
40K → 25.2M646+58#12959#12901
25.2M → Finish15510+145#12901#12756
TOTALS2954795+2159
📊

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