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BOSTON MARATHON 2023

Stephanie Snow

Bib: 13602•F

NH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 25%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 13%
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
7:03/mi
21:55
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
43:29
↑ 79↓ 1380.4%
15K· 9.32 mi
6:57/mi
1:05:05
↑ 67↓ 78
20K· 12.43 mi
7:04/mi
1:27:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:31:49
↑ 19↓ 370.5%
25K· 15.53 mi
7:12/mi
1:49:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:30/mi
2:12:35
↑ 181↓ 1480.2%
20M
7:39/mi
2:22:59
↑ 64↓ 500.2%
21M
8:02/mi
2:31:01
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:36:54
↑ 17↓ 861.7%
23M
7:48/mi
2:46:40
↑ 23↓ 630.6%
24M
7:37/mi
2:54:17
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:01:03
↓ 200.3%
25.2M
8:16/mi
3:03:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:08/mi
3:11:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:49
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:39:21
Pace7:35 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2021:557:0321:55
7:03
-
10K
6.21 mi11:11:5443:297:0021:34
6:56
-0:07
15K
9.32 mi11:33:301:05:056:5921:36
6:57
+0:01
20K
12.43 mi11:55:271:27:027:0021:57
7:04
+0:07
Half
13.11 mi12:00:141:31:497:004:47
7:01
-0:03
25K
15.53 mi12:17:411:49:167:0217:27
7:12
+0:11
30K
18.64 mi12:41:002:12:357:0723:19
7:30
+0:18
20M
20.00 mi12:51:242:22:597:0910:24
7:39
+0:09
21M
21.00 mi12:59:262:31:017:118:02
8:02
+0:23
35K
21.75 mi13:05:192:36:547:135:53
7:52
-0:10
23M
23.00 mi13:15:052:46:407:159:46
7:48
-0:04
24M
24.00 mi13:22:422:54:177:167:37
7:37
-0:11
40K
24.85 mi13:29:283:01:037:176:46
7:55
+0:18
25.2M
25.20 mi13:32:193:03:547:182:51
8:16
+0:21
Finish
26.22 mi13:39:353:11:107:187:16
7:08
-1:08

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

6:56 /mi

Average Pace

7:18 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:28

77% of race

Time at Steady Pace

40:51

21% of race

Time at Slower Pace

2:51

1% of race

Average Pace: 7:17 /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 mi10:50:2021:557:0321:55
7:03
#6603
10K
6.21 mi11:11:5443:297:0021:34
6:56
#6491
15K
9.32 mi11:33:301:05:056:5921:36
6:57
#6398
20K
12.43 mi11:55:271:27:027:0021:57
7:04
#6371
Half
13.11 mi12:00:141:31:497:004:47
7:01
#6390
25K
15.53 mi12:17:411:49:167:0217:27
7:12
#6416
30K
18.64 mi12:41:002:12:357:0723:19
7:30
#6474
20M
20.00 mi12:51:242:22:597:0910:24
7:39
#6511
21M
21.00 mi12:59:262:31:017:118:02
8:02
#6534
35K
21.75 mi13:05:192:36:547:135:53
7:52
#6643
23M
23.00 mi13:15:052:46:407:159:46
7:48
#6678
24M
24.00 mi13:22:422:54:177:167:37
7:37
#6698
40K
24.85 mi13:29:283:01:037:176:46
7:55
#6749
25.2M
25.20 mi13:32:193:03:547:182:51
8:16
#6750
Finish
26.22 mi13:39:353:11:107:187:16
7:08
#6677
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi66036296296279(Top 24%)594(Top 5%)594(Top 12%)
10K6.21 mi3.10 mi6491+112619+10619+106447(Top 24%)626(Top 5%)626(Top 13%)
15K9.32 mi3.11 mi6398+93604+15604+156279(Top 24%)594(Top 5%)594(Top 12%)
20K12.43 mi3.11 mi6371+27601+3601+36383(Top 24%)618(Top 5%)618(Top 13%)
Half13.11 mi0.68 mi6390-19608-7608-76665(Top 25%)677(Top 6%)677(Top 14%)
25K15.53 mi2.42 mi6416-26617-9617-96674(Top 25%)757(Top 7%)757(Top 15%)
30K18.64 mi3.11 mi6474-58645-28645-287259(Top 27%)1017(Top 9%)1017(Top 21%)
20M20.00 mi1.36 mi6511-37668-23668-237849(Top 29%)1337(Top 12%)1337(Top 27%)
21M21.00 mi1.00 mi6534-23689-21689-217565(Top 28%)1331(Top 12%)1331(Top 27%)
35K21.75 mi0.75 mi6643-109727-38727-3811131(Top 42%)2918(Top 26%)2918(Top 60%)
23M23.00 mi1.25 mi6678-35746-19746-198427(Top 32%)1754(Top 15%)1754(Top 36%)
24M24.00 mi1.00 mi6698-20766-20766-208530(Top 32%)1882(Top 16%)1882(Top 39%)
40K24.85 mi0.85 mi6749-51802-36802-369449(Top 35%)2364(Top 21%)2364(Top 48%)
25.2M25.20 mi0.35 mi6750-1809-7809-78117(Top 30%)1844(Top 16%)1844(Top 38%)
Finish26.22 mi1.02 mi6677+73805+4805+46019(Top 23%)1066(Top 9%)1066(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6279

Females

594

F18-39

594

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6447

Females

626

F18-39

626

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6279

Females

594

F18-39

594

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6383

Females

618

F18-39

618

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6665

Females

677

F18-39

677

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6674

Females

757

F18-39

757

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7259

Females

1017

F18-39

1017

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7849

Females

1337

F18-39

1337

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7565

Females

1331

F18-39

1331

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11131

Females

2918

F18-39

2918

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8427

Females

1754

F18-39

1754

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8530

Females

1882

F18-39

1882

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9449

Females

2364

F18-39

2364

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8117

Females

1844

F18-39

1844

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6019

Females

1066

F18-39

1066

Passing Analysis

Category:
Athletes Passed
1094
Passed By
1168
Net Change
-74
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6603
5K → 10K250138+112#6603#6491
10K → 15K17481+93#6491#6398
15K → 20K11891+27#6398#6371
20K → Half726-19#6371#6390
Half → 25K6894-26#6390#6416
25K → 30K95153-58#6416#6474
30K → 20M5087-37#6474#6511
20M → 21M5174-23#6511#6534
21M → 35K18127-109#6534#6643
35K → 23M5489-35#6643#6678
23M → 24M4565-20#6678#6698
24M → 40K4293-51#6698#6749
40K → 25.2M2728-1#6749#6750
25.2M → Finish9522+73#6750#6677
TOTALS10941168-74
📊

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