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BOSTON MARATHON 2023

Andrea Klima

Bib: 8819•F

OH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:30
Rank: #5736
Start → 5K
21:30 | 6:55/mi
10K· 6.21 mi
42:25
Rank: #5194 (+542)
5K → 10K
20:55 | 6:44/mi
15K· 9.32 mi
1:03:19
Rank: #4944 (+250)
10K → 15K
20:54 | 6:44/mi
20K· 12.43 mi
1:24:25
Rank: #4774 (+170)
15K → 20K
21:06 | 6:47/mi
Half· 13.11 mi
1:28:59
Rank: #4739 (+35)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:45:12
Rank: #4426 (+313)
Half → 25K
16:13 | 6:41/mi
30K· 18.64 mi
2:06:31
Rank: #4188 (+238)
25K → 30K
21:19 | 6:52/mi
20M
2:15:46
Rank: #4045 (+143)
30K → 20M
9:15 | 6:48/mi
21M
2:23:06
Rank: #4004 (+41)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:27:58
Rank: #3910 (+94)
21M → 35K
4:52 | 6:30/mi
23M
2:36:45
Rank: #3889 (+21)
35K → 23M
8:47 | 7:01/mi
24M
2:43:31
Rank: #3847 (+42)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:49:37
Rank: #3885 (-38)
24M → 40K
6:06 | 7:08/mi
25.2M
2:52:22
Rank: #3944 (-59)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
2:59:32
Rank: #4053 (-109)
25.2M → Finish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:59
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:30:33
Pace6:54 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4221:306:5521:30
6:55
-
10K
6.21 mi11:07:3742:256:5020:55
6:44
-0:11
15K
9.32 mi11:28:311:03:196:4820:54
6:44
0:00
20K
12.43 mi11:49:371:24:256:4821:06
6:47
+0:03
Half
13.11 mi11:54:111:28:596:474:34
6:42
-0:05
25K
15.53 mi12:10:241:45:126:4616:13
6:41
-0:01
30K
18.64 mi12:31:432:06:316:4721:19
6:52
+0:11
20M
20.00 mi12:40:582:15:466:479:15
6:48
-0:04
21M
21.00 mi12:48:182:23:066:497:20
7:20
+0:32
35K
21.75 mi12:53:102:27:586:484:52
6:30
-0:50
23M
23.00 mi13:01:572:36:456:498:47
7:01
+0:31
24M
24.00 mi13:08:432:43:316:496:46
6:46
-0:15
40K
24.85 mi13:14:492:49:376:496:06
7:08
+0:22
25.2M
25.20 mi13:17:342:52:226:502:45
7:58
+0:50
Finish
26.22 mi13:24:442:59:326:517:10
7:02
-0:56

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

6:30 /mi

Average Pace

6:51 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:52

3% of race

Time at Steady Pace

2:22:32

79% of race

Time at Slower Pace

32:08

18% of race

Average Pace: 6:51 /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 mi10:46:4221:306:5521:30
6:55
#5736
10K
6.21 mi11:07:3742:256:5020:55
6:44
#5194
15K
9.32 mi11:28:311:03:196:4820:54
6:44
#4944
20K
12.43 mi11:49:371:24:256:4821:06
6:47
#4774
Half
13.11 mi11:54:111:28:596:474:34
6:42
#4739
25K
15.53 mi12:10:241:45:126:4616:13
6:41
#4426
30K
18.64 mi12:31:432:06:316:4721:19
6:52
#4188
20M
20.00 mi12:40:582:15:466:479:15
6:48
#4045
21M
21.00 mi12:48:182:23:066:497:20
7:20
#4004
35K
21.75 mi12:53:102:27:586:484:52
6:30
#3910
23M
23.00 mi13:01:572:36:456:498:47
7:01
#3889
24M
24.00 mi13:08:432:43:316:496:46
6:46
#3847
40K
24.85 mi13:14:492:49:376:496:06
7:08
#3885
25.2M
25.20 mi13:17:342:52:226:502:45
7:58
#3944
Finish
26.22 mi13:24:442:59:326:517:10
7:02
#4053
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi57364584584417(Top 17%)279(Top 2%)279(Top 6%)
10K6.21 mi3.10 mi5194+542377+81377+814678(Top 18%)316(Top 3%)316(Top 6%)
15K9.32 mi3.11 mi4944+250344+33344+334417(Top 17%)279(Top 2%)279(Top 6%)
20K12.43 mi3.11 mi4774+170317+27317+274380(Top 16%)286(Top 3%)286(Top 6%)
Half13.11 mi0.68 mi4739+35318-1318-14373(Top 16%)282(Top 2%)282(Top 6%)
25K15.53 mi2.42 mi4426+313282+36282+363302(Top 12%)165(Top 1%)165(Top 3%)
30K18.64 mi3.11 mi4188+238251+31251+313407(Top 13%)201(Top 2%)201(Top 4%)
20M20.00 mi1.36 mi4045+143239+12239+122892(Top 11%)168(Top 1%)168(Top 3%)
21M21.00 mi1.00 mi4004+41240-1240-13818(Top 14%)278(Top 2%)278(Top 6%)
35K21.75 mi0.75 mi3910+94230+10230+102496(Top 9%)136(Top 1%)136(Top 3%)
23M23.00 mi1.25 mi3889+21228+2228+23890(Top 15%)304(Top 3%)304(Top 6%)
24M24.00 mi1.00 mi3847+42231-3231-33503(Top 13%)276(Top 2%)276(Top 6%)
40K24.85 mi0.85 mi3885-38238-7238-74570(Top 17%)520(Top 5%)520(Top 11%)
25.2M25.20 mi0.35 mi3944-59249-11249-116377(Top 24%)1161(Top 10%)1161(Top 24%)
Finish26.22 mi1.02 mi4053-109259-10259-105412(Top 20%)859(Top 8%)859(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4417

Females

279

F18-39

279

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4678

Females

316

F18-39

316

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4417

Females

279

F18-39

279

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4380

Females

286

F18-39

286

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4373

Females

282

F18-39

282

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3302

Females

165

F18-39

165

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3407

Females

201

F18-39

201

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2892

Females

168

F18-39

168

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3818

Females

278

F18-39

278

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2496

Females

136

F18-39

136

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3890

Females

304

F18-39

304

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3503

Females

276

F18-39

276

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4570

Females

520

F18-39

520

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6377

Females

1161

F18-39

1161

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5412

Females

859

F18-39

859

Passing Analysis

Category:
Athletes Passed
2221
Passed By
538
Net Change
+1683
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5736
5K → 10K58543+542#5736#5194
10K → 15K27727+250#5194#4944
15K → 20K20232+170#4944#4774
20K → Half4611+35#4774#4739
Half → 25K3185+313#4739#4426
25K → 30K25315+238#4426#4188
30K → 20M1496+143#4188#4045
20M → 21M8645+41#4045#4004
21M → 35K1017+94#4004#3910
35K → 23M5837+21#3910#3889
23M → 24M6826+42#3889#3847
24M → 40K4381-38#3847#3885
40K → 25.2M1372-59#3885#3944
25.2M → Finish22131-109#3944#4053
TOTALS2221538+1683
📊

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