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BOSTON MARATHON 2023

Cara Guth

Bib: 15475•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:30
Rank: #15524
Start → 5K
25:30 | 8:12/mi
10K· 6.21 mi
50:36
Rank: #15417 (+107)
5K → 10K
25:06 | 8:05/mi
15K· 9.32 mi
1:15:34
Rank: #15167 (+250)
10K → 15K
24:58 | 8:02/mi
20K· 12.43 mi
1:40:29
Rank: #14761 (+406)
15K → 20K
24:55 | 8:01/mi
Half· 13.11 mi
1:45:47
Rank: #14643 (+118)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:05:05
Rank: #14286 (+357)
Half → 25K
19:18 | 7:58/mi
30K· 18.64 mi
2:30:26
Rank: #13853 (+433)
25K → 30K
25:21 | 8:10/mi
20M
2:41:44
Rank: #13717 (+136)
30K → 20M
11:18 | 8:19/mi
21M
2:50:30
Rank: #13602 (+115)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
2:56:30
Rank: #13538 (+64)
21M → 35K
6:00 | 8:01/mi
23M
3:07:10
Rank: #13506 (+32)
35K → 23M
10:40 | 8:31/mi
24M
3:15:35
Rank: #13495 (+11)
23M → 24M
8:25 | 8:25/mi
40K· 24.85 mi
3:23:01
Rank: #13522 (-27)
24M → 40K
7:26 | 8:42/mi
25.2M
3:26:07
Rank: #13489 (+33)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:34:25
Rank: #13476 (+13)
25.2M → Finish
8:18 | 8:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:47
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:48:38
Pace8:17 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2925:308:1225:30
8:12
-
10K
6.21 mi11:21:3550:368:0925:06
8:05
-0:07
15K
9.32 mi11:46:331:15:348:0624:58
8:02
-0:03
20K
12.43 mi12:11:281:40:298:0524:55
8:01
-0:01
Half
13.11 mi12:16:461:45:478:045:18
7:46
-0:15
25K
15.53 mi12:36:042:05:058:0319:18
7:58
+0:12
30K
18.64 mi13:01:252:30:268:0425:21
8:10
+0:12
20M
20.00 mi13:12:432:41:448:0511:18
8:19
+0:09
21M
21.00 mi13:21:292:50:308:078:46
8:46
+0:27
35K
21.75 mi13:27:292:56:308:076:00
8:01
-0:45
23M
23.00 mi13:38:093:07:108:0810:40
8:31
+0:30
24M
24.00 mi13:46:343:15:358:098:25
8:25
-0:06
40K
24.85 mi13:54:003:23:018:107:26
8:42
+0:17
25.2M
25.20 mi13:57:063:26:078:113:06
8:59
+0:17
Finish
26.22 mi14:05:243:34:258:118:18
8:09
-0:50

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

7:46 /mi

Average Pace

8:11 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:07

91% of race

Time at Steady Pace

19:18

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi10:56:2925:308:1225:30
8:12
#15524
10K
6.21 mi11:21:3550:368:0925:06
8:05
#15417
15K
9.32 mi11:46:331:15:348:0624:58
8:02
#15167
20K
12.43 mi12:11:281:40:298:0524:55
8:01
#14761
Half
13.11 mi12:16:461:45:478:045:18
7:46
#14643
25K
15.53 mi12:36:042:05:058:0319:18
7:58
#14286
30K
18.64 mi13:01:252:30:268:0425:21
8:10
#13853
20M
20.00 mi13:12:432:41:448:0511:18
8:19
#13717
21M
21.00 mi13:21:292:50:308:078:46
8:46
#13602
35K
21.75 mi13:27:292:56:308:076:00
8:01
#13538
23M
23.00 mi13:38:093:07:108:0810:40
8:31
#13506
24M
24.00 mi13:46:343:15:358:098:25
8:25
#13495
40K
24.85 mi13:54:003:23:018:107:26
8:42
#13522
25.2M
25.20 mi13:57:063:26:078:113:06
8:59
#13489
Finish
26.22 mi14:05:243:34:258:118:18
8:09
#13476
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi155244983498314700(Top 55%)4505(Top 39%)4505(Top 92%)
10K6.21 mi3.10 mi15417+1074912+714912+7115367(Top 58%)4888(Top 43%)4888(Top 100%)
15K9.32 mi3.11 mi15167+2504761+1514761+15114700(Top 55%)4505(Top 39%)4505(Top 92%)
20K12.43 mi3.11 mi14761+4064533+2284533+22813621(Top 51%)3891(Top 34%)3891(Top 80%)
Half13.11 mi0.68 mi14643+1184457+764457+7612539(Top 47%)3242(Top 28%)3242(Top 66%)
25K15.53 mi2.42 mi14286+3574277+1804277+18012428(Top 47%)3328(Top 29%)3328(Top 68%)
30K18.64 mi3.11 mi13853+4334047+2304047+23012080(Top 45%)3229(Top 28%)3229(Top 66%)
20M20.00 mi1.36 mi13717+1363988+593988+5912474(Top 47%)3567(Top 31%)3567(Top 73%)
21M21.00 mi1.00 mi13602+1153936+523936+5212100(Top 45%)3462(Top 30%)3462(Top 71%)
35K21.75 mi0.75 mi13538+643906+303906+3012332(Top 46%)3623(Top 32%)3623(Top 74%)
23M23.00 mi1.25 mi13506+323919-133919-1313371(Top 50%)4275(Top 37%)4275(Top 88%)
24M24.00 mi1.00 mi13495+113936-173936-1713989(Top 53%)4663(Top 41%)4663(Top 95%)
40K24.85 mi0.85 mi13522-273971-353971-3514480(Top 54%)5010(Top 44%)5010(Top 103%)
25.2M25.20 mi0.35 mi13489+333964+73964+712536(Top 47%)3995(Top 35%)3995(Top 82%)
Finish26.22 mi1.02 mi13476+133978-143978-1413092(Top 49%)4261(Top 37%)4261(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14700

Females

4505

F18-39

4505

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

15367

Females

4888

F18-39

4888

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14700

Females

4505

F18-39

4505

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13621

Females

3891

F18-39

3891

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

12539

Females

3242

F18-39

3242

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12428

Females

3328

F18-39

3328

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12080

Females

3229

F18-39

3229

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12474

Females

3567

F18-39

3567

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12100

Females

3462

F18-39

3462

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12332

Females

3623

F18-39

3623

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13371

Females

4275

F18-39

4275

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

13989

Females

4663

F18-39

4663

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14480

Females

5010

F18-39

5010

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12536

Females

3995

F18-39

3995

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13092

Females

4261

F18-39

4261

Passing Analysis

Category:
Athletes Passed
2824
Passed By
776
Net Change
+2048
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15524
5K → 10K350243+107#15524#15417
10K → 15K32979+250#15417#15167
15K → 20K43529+406#15167#14761
20K → Half1191+118#14761#14643
Half → 25K36912+357#14643#14286
25K → 30K46128+433#14286#13853
30K → 20M16327+136#13853#13717
20M → 21M14631+115#13717#13602
21M → 35K8925+64#13602#13538
35K → 23M10472+32#13538#13506
23M → 24M8170+11#13506#13495
24M → 40K4875-27#13495#13522
40K → 25.2M5118+33#13522#13489
25.2M → Finish7966+13#13489#13476
TOTALS2824776+2048
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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