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BOSTON MARATHON 2023

Katherine Terino

Bib: 9423•F

AL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 18%
Gender (Female)
#0 / 11423
Top 3%
Division (F18-39)
#0 / 4884
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:01
Rank: #6805
Start → 5K
22:01 | 7:05/mi
10K· 6.21 mi
43:09
Rank: #6155 (+650)
5K → 10K
21:08 | 6:48/mi
15K· 9.32 mi
1:04:01
Rank: #5622 (+533)
10K → 15K
20:52 | 6:43/mi
20K· 12.43 mi
1:24:44
Rank: #5010 (+612)
15K → 20K
20:43 | 6:40/mi
Half· 13.11 mi
1:29:10
Rank: #4885 (+125)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:46:07
Rank: #5002 (-117)
Half → 25K
16:57 | 6:59/mi
30K· 18.64 mi
2:07:36
Rank: #4711 (+291)
25K → 30K
21:29 | 6:55/mi
20M
2:17:16
Rank: #4703 (+8)
30K → 20M
9:40 | 7:07/mi
21M
2:24:53
Rank: #4728 (-25)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:30:16
Rank: #4785 (-57)
21M → 35K
5:23 | 7:12/mi
23M
2:39:41
Rank: #4876 (-91)
35K → 23M
9:25 | 7:31/mi
24M
2:47:00
Rank: #4911 (-35)
23M → 24M
7:19 | 7:19/mi
40K· 24.85 mi
2:53:22
Rank: #4936 (-25)
24M → 40K
6:22 | 7:27/mi
25.2M
2:56:03
Rank: #4922 (+14)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:03:17
Rank: #4902 (+20)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:10
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:34:07
Pace7:11 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3722:017:0522:01
7:05
-
10K
6.21 mi11:08:4543:096:5721:08
6:48
-0:17
15K
9.32 mi11:29:371:04:016:5220:52
6:43
-0:05
20K
12.43 mi11:50:201:24:446:4920:43
6:40
-0:03
Half
13.11 mi11:54:461:29:106:484:26
6:30
-0:10
25K
15.53 mi12:11:431:46:076:5016:57
6:59
+0:29
30K
18.64 mi12:33:122:07:366:5121:29
6:55
-0:04
20M
20.00 mi12:42:522:17:166:529:40
7:07
+0:12
21M
21.00 mi12:50:292:24:536:547:37
7:37
+0:30
35K
21.75 mi12:55:522:30:166:555:23
7:12
-0:25
23M
23.00 mi13:05:172:39:416:579:25
7:31
+0:19
24M
24.00 mi13:12:362:47:006:587:19
7:19
-0:12
40K
24.85 mi13:18:582:53:226:596:22
7:27
+0:08
25.2M
25.20 mi13:21:392:56:036:592:41
7:47
+0:20
Finish
26.22 mi13:28:533:03:177:007:14
7:06
-0:41

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

7:00 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:30

79% of race

Time at Steady Pace

36:06

20% of race

Time at Slower Pace

2:41

1% of race

Average Pace: 6:59 /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 mi10:47:3722:017:0522:01
7:05
#6805
10K
6.21 mi11:08:4543:096:5721:08
6:48
#6155
15K
9.32 mi11:29:371:04:016:5220:52
6:43
#5622
20K
12.43 mi11:50:201:24:446:4920:43
6:40
#5010
Half
13.11 mi11:54:461:29:106:484:26
6:30
#4885
25K
15.53 mi12:11:431:46:076:5016:57
6:59
#5002
30K
18.64 mi12:33:122:07:366:5121:29
6:55
#4711
20M
20.00 mi12:42:522:17:166:529:40
7:07
#4703
21M
21.00 mi12:50:292:24:536:547:37
7:37
#4728
35K
21.75 mi12:55:522:30:166:555:23
7:12
#4785
23M
23.00 mi13:05:172:39:416:579:25
7:31
#4876
24M
24.00 mi13:12:362:47:006:587:19
7:19
#4911
40K
24.85 mi13:18:582:53:226:596:22
7:27
#4936
25.2M
25.20 mi13:21:392:56:036:592:41
7:47
#4922
Finish
26.22 mi13:28:533:03:177:007:14
7:06
#4902
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi68056696694308(Top 16%)269(Top 2%)269(Top 6%)
10K6.21 mi3.10 mi6155+650542+127542+1275346(Top 20%)402(Top 4%)402(Top 8%)
15K9.32 mi3.11 mi5622+533441+101441+1014308(Top 16%)269(Top 2%)269(Top 6%)
20K12.43 mi3.11 mi5010+612348+93348+933340(Top 13%)170(Top 1%)170(Top 3%)
Half13.11 mi0.68 mi4885+125334+14334+142860(Top 11%)123(Top 1%)123(Top 3%)
25K15.53 mi2.42 mi5002-117353-19353-195542(Top 21%)438(Top 4%)438(Top 9%)
30K18.64 mi3.11 mi4711+291315+38315+383773(Top 14%)233(Top 2%)233(Top 5%)
20M20.00 mi1.36 mi4703+83153154702(Top 18%)398(Top 3%)398(Top 8%)
21M21.00 mi1.00 mi4728-25321-6321-65207(Top 20%)578(Top 5%)578(Top 12%)
35K21.75 mi0.75 mi4785-57335-14335-146523(Top 25%)916(Top 8%)916(Top 19%)
23M23.00 mi1.25 mi4876-91356-21356-216550(Top 25%)1001(Top 9%)1001(Top 20%)
24M24.00 mi1.00 mi4911-35371-15371-156505(Top 24%)1066(Top 9%)1066(Top 22%)
40K24.85 mi0.85 mi4936-25385-14385-146383(Top 24%)1101(Top 10%)1101(Top 23%)
25.2M25.20 mi0.35 mi4922+143853855326(Top 20%)818(Top 7%)818(Top 17%)
Finish26.22 mi1.02 mi4902+20388-3388-35830(Top 22%)1006(Top 9%)1006(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4308

Females

269

F18-39

269

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5346

Females

402

F18-39

402

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4308

Females

269

F18-39

269

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3340

Females

170

F18-39

170

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2860

Females

123

F18-39

123

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5542

Females

438

F18-39

438

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3773

Females

233

F18-39

233

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4702

Females

398

F18-39

398

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5207

Females

578

F18-39

578

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6523

Females

916

F18-39

916

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6550

Females

1001

F18-39

1001

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6505

Females

1066

F18-39

1066

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6383

Females

1101

F18-39

1101

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5326

Females

818

F18-39

818

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5830

Females

1006

F18-39

1006

Passing Analysis

Category:
Athletes Passed
2674
Passed By
771
Net Change
+1903
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6805
5K → 10K67020+650#6805#6155
10K → 15K5385+533#6155#5622
15K → 20K6120+612#5622#5010
20K → Half1261+125#5010#4885
Half → 25K70187-117#4885#5002
25K → 30K31322+291#5002#4711
30K → 20M7668+8#4711#4703
20M → 21M4671-25#4703#4728
21M → 35K2683-57#4728#4785
35K → 23M48139-91#4785#4876
23M → 24M3671-35#4876#4911
24M → 40K3560-25#4911#4936
40K → 25.2M2511+14#4936#4922
25.2M → Finish5333+20#4922#4902
TOTALS2674771+1903
📊

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