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BOSTON MARATHON 2023

Katy Stohlman

Bib: 13868•F

DC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 15%
Division (F18-39)
#0 / 4884
Top 28%
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
7:38/mi
23:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:59
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:10:11
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:33:36
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:38:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:57:11
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:21:27
↑ 181↓ 1480.2%
20M
7:52/mi
2:32:09
↑ 64↓ 500.2%
21M
8:24/mi
2:40:33
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:46:08
↑ 17↓ 861.7%
23M
7:45/mi
2:55:50
↑ 23↓ 630.6%
24M
7:32/mi
3:03:22
↓ 821.3%
40K· 24.85 mi
7:48/mi
3:10:02
↓ 200.3%
25.2M
8:13/mi
3:12:52
↑ 13↓ 160.2%
Finish· 26.22 mi
7:12/mi
3:20:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:42
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:41:30
Pace7:45 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5323:447:3823:44
7:38
-
10K
6.21 mi11:15:0846:597:3423:15
7:29
-0:09
15K
9.32 mi11:38:201:10:117:3223:12
7:28
-0:01
20K
12.43 mi12:01:451:33:367:3223:25
7:32
+0:04
Half
13.11 mi12:06:511:38:427:325:06
7:29
-0:03
25K
15.53 mi12:25:201:57:117:3318:29
7:37
+0:08
30K
18.64 mi12:49:362:21:277:3524:16
7:49
+0:12
20M
20.00 mi13:00:182:32:097:3610:42
7:52
+0:03
21M
21.00 mi13:08:422:40:337:398:24
8:24
+0:32
35K
21.75 mi13:14:172:46:087:385:35
7:28
-0:56
23M
23.00 mi13:23:592:55:507:399:42
7:45
+0:17
24M
24.00 mi13:31:313:03:227:387:32
7:32
-0:13
40K
24.85 mi13:38:113:10:027:396:40
7:48
+0:16
25.2M
25.20 mi13:41:013:12:527:392:50
8:13
+0:25
Finish
26.22 mi13:48:213:20:127:387:20
7:12
-1:01

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

7:12 /mi

Average Pace

7:38 /mi

Slowest Pace

8:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:58

94% of race

Time at Steady Pace

11:14

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:51:5323:447:3823:44
7:38
#10923
10K
6.21 mi11:15:0846:597:3423:15
7:29
#10571
15K
9.32 mi11:38:201:10:117:3223:12
7:28
#10328
20K
12.43 mi12:01:451:33:367:3223:25
7:32
#10111
Half
13.11 mi12:06:511:38:427:325:06
7:29
#10094
25K
15.53 mi12:25:201:57:117:3318:29
7:37
#10001
30K
18.64 mi12:49:362:21:277:3524:16
7:49
#9891
20M
20.00 mi13:00:182:32:097:3610:42
7:52
#9795
21M
21.00 mi13:08:422:40:337:398:24
8:24
#9773
35K
21.75 mi13:14:172:46:087:385:35
7:28
#9706
23M
23.00 mi13:23:592:55:507:399:42
7:45
#9570
24M
24.00 mi13:31:313:03:227:387:32
7:32
#9485
40K
24.85 mi13:38:113:10:027:396:40
7:48
#9421
25.2M
25.20 mi13:41:013:12:527:392:50
8:13
#9375
Finish
26.22 mi13:48:213:20:127:387:20
7:12
#9248
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10923228922899929(Top 37%)1809(Top 16%)1809(Top 37%)
10K6.21 mi3.10 mi10571+3522107+1822107+18210331(Top 39%)1974(Top 17%)1974(Top 40%)
15K9.32 mi3.11 mi10328+2431971+1361971+1369929(Top 37%)1809(Top 16%)1809(Top 37%)
20K12.43 mi3.11 mi10111+2171882+891882+899628(Top 36%)1746(Top 15%)1746(Top 36%)
Half13.11 mi0.68 mi10094+171877+51877+510076(Top 38%)1912(Top 17%)1912(Top 39%)
25K15.53 mi2.42 mi10001+931859+181859+189742(Top 37%)1884(Top 16%)1884(Top 39%)
30K18.64 mi3.11 mi9891+1101844+151844+159455(Top 36%)1907(Top 17%)1907(Top 39%)
20M20.00 mi1.36 mi9795+961827+171827+179406(Top 35%)1974(Top 17%)1974(Top 40%)
21M21.00 mi1.00 mi9773+221839-121839-129867(Top 37%)2313(Top 20%)2313(Top 47%)
35K21.75 mi0.75 mi9706+671826+131826+138321(Top 31%)1623(Top 14%)1623(Top 33%)
23M23.00 mi1.25 mi9570+1361802+241802+248081(Top 30%)1625(Top 14%)1625(Top 33%)
24M24.00 mi1.00 mi9485+851788+141788+147960(Top 30%)1660(Top 15%)1660(Top 34%)
40K24.85 mi0.85 mi9421+641802-141802-148683(Top 33%)2019(Top 18%)2019(Top 41%)
25.2M25.20 mi0.35 mi9375+461790+121790+127852(Top 29%)1764(Top 15%)1764(Top 36%)
Finish26.22 mi1.02 mi9248+1271755+351755+356442(Top 24%)1220(Top 11%)1220(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9929

Females

1809

F18-39

1809

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10331

Females

1974

F18-39

1974

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9929

Females

1809

F18-39

1809

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9628

Females

1746

F18-39

1746

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10076

Females

1912

F18-39

1912

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9742

Females

1884

F18-39

1884

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9455

Females

1907

F18-39

1907

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9406

Females

1974

F18-39

1974

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9867

Females

2313

F18-39

2313

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8321

Females

1623

F18-39

1623

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8081

Females

1625

F18-39

1625

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

7960

Females

1660

F18-39

1660

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8683

Females

2019

F18-39

2019

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7852

Females

1764

F18-39

1764

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6442

Females

1220

F18-39

1220

Passing Analysis

Category:
Athletes Passed
2383*
Passed By
708
Net Change
+1675
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10923
5K → 10K488*136+352#10923#10571
10K → 15K34097+243#10571#10328
15K → 20K280*63+217#10328#10111
20K → Half46*29+17#10111#10094
Half → 25K16875+93#10094#10001
25K → 30K206*96+110#10001#9891
30K → 20M13135+96#9891#9795
20M → 21M8664+22#9795#9773
21M → 35K7710+67#9773#9706
35K → 23M16529+136#9706#9570
23M → 24M11025+85#9570#9485
24M → 40K98*34+64#9485#9421
40K → 25.2M504+46#9421#9375
25.2M → Finish13811+127#9375#9248
TOTALS2383*708+1675

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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