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BOSTON MARATHON 2023

Catherine Treseler

Bib: 17025•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 12%
Division (F18-39)
#0 / 4884
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:20
Rank: #9725
Start → 5K
23:20 | 7:31/mi
10K· 6.21 mi
46:34
Rank: #9977 (-252)
5K → 10K
23:14 | 7:29/mi
15K· 9.32 mi
1:09:56
Rank: #10093 (-116)
10K → 15K
23:22 | 7:31/mi
20K· 12.43 mi
1:33:12
Rank: #9831 (+262)
15K → 20K
23:16 | 7:29/mi
Half· 13.11 mi
1:38:15
Rank: #9801 (+30)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:56:16
Rank: #9514 (+287)
Half → 25K
18:01 | 7:26/mi
30K· 18.64 mi
2:19:56
Rank: #9215 (+299)
25K → 30K
23:40 | 7:37/mi
20M
2:30:22
Rank: #9086 (+129)
30K → 20M
10:26 | 7:41/mi
21M
2:38:22
Rank: #8967 (+119)
20M → 21M
8:00 | 8:00/mi
35K· 21.75 mi
2:43:46
Rank: #8864 (+103)
21M → 35K
5:24 | 7:13/mi
23M
2:53:07
Rank: #8679 (+185)
35K → 23M
9:21 | 7:28/mi
24M
3:00:24
Rank: #8529 (+150)
23M → 24M
7:17 | 7:17/mi
40K· 24.85 mi
3:06:45
Rank: #8413 (+116)
24M → 40K
6:21 | 7:26/mi
25.2M
3:09:27
Rank: #8341 (+72)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:16:37
Rank: #8192 (+149)
25.2M → Finish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:15
Pace7:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:22
Pace7:30 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5823:207:3123:20
7:31
-
10K
6.21 mi11:37:1246:347:3023:14
7:29
-0:02
15K
9.32 mi12:00:341:09:567:3023:22
7:31
+0:02
20K
12.43 mi12:23:501:33:127:3023:16
7:29
-0:02
Half
13.11 mi12:28:531:38:157:305:03
7:24
-0:05
25K
15.53 mi12:46:541:56:167:2918:01
7:26
+0:02
30K
18.64 mi13:10:342:19:567:3023:40
7:37
+0:11
20M
20.00 mi13:21:002:30:227:3110:26
7:41
+0:04
21M
21.00 mi13:29:002:38:227:328:00
8:00
+0:19
35K
21.75 mi13:34:242:43:467:325:24
7:13
-0:47
23M
23.00 mi13:43:452:53:077:329:21
7:28
+0:15
24M
24.00 mi13:51:023:00:247:317:17
7:17
-0:11
40K
24.85 mi13:57:233:06:457:316:21
7:26
+0:09
25.2M
25.20 mi14:00:053:09:277:312:42
7:50
+0:24
Finish
26.22 mi14:07:153:16:377:307:10
7:02
-0:48

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

7:02 /mi

Average Pace

7:30 /mi

Slowest Pace

8:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:55

95% of race

Time at Steady Pace

10:42

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi11:13:5823:207:3123:20
7:31
#9725
10K
6.21 mi11:37:1246:347:3023:14
7:29
#9977
15K
9.32 mi12:00:341:09:567:3023:22
7:31
#10093
20K
12.43 mi12:23:501:33:127:3023:16
7:29
#9831
Half
13.11 mi12:28:531:38:157:305:03
7:24
#9801
25K
15.53 mi12:46:541:56:167:2918:01
7:26
#9514
30K
18.64 mi13:10:342:19:567:3023:40
7:37
#9215
20M
20.00 mi13:21:002:30:227:3110:26
7:41
#9086
21M
21.00 mi13:29:002:38:227:328:00
8:00
#8967
35K
21.75 mi13:34:242:43:467:325:24
7:13
#8864
23M
23.00 mi13:43:452:53:077:329:21
7:28
#8679
24M
24.00 mi13:51:023:00:247:317:17
7:17
#8529
40K
24.85 mi13:57:233:06:457:316:21
7:26
#8413
25.2M
25.20 mi14:00:053:09:277:312:42
7:50
#8341
Finish
26.22 mi14:07:153:16:377:307:10
7:02
#8192
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi97251719171910354(Top 39%)2004(Top 18%)2004(Top 41%)
10K6.21 mi3.10 mi9977-2521830-1111830-11110280(Top 39%)1943(Top 17%)1943(Top 40%)
15K9.32 mi3.11 mi10093-1161859-291859-2910354(Top 39%)2004(Top 18%)2004(Top 41%)
20K12.43 mi3.11 mi9831+2621766+931766+939234(Top 35%)1571(Top 14%)1571(Top 32%)
Half13.11 mi0.68 mi9801+301750+161750+169462(Top 36%)1642(Top 14%)1642(Top 34%)
25K15.53 mi2.42 mi9514+2871652+981652+988269(Top 31%)1279(Top 11%)1279(Top 26%)
30K18.64 mi3.11 mi9215+2991571+811571+818076(Top 30%)1340(Top 12%)1340(Top 27%)
20M20.00 mi1.36 mi9086+1291543+281543+288044(Top 30%)1419(Top 12%)1419(Top 29%)
21M21.00 mi1.00 mi8967+1191519+241519+247375(Top 28%)1271(Top 11%)1271(Top 26%)
35K21.75 mi0.75 mi8864+1031484+351484+356688(Top 25%)990(Top 9%)990(Top 20%)
23M23.00 mi1.25 mi8679+1851439+451439+456269(Top 24%)911(Top 8%)911(Top 19%)
24M24.00 mi1.00 mi8529+1501400+391400+396302(Top 24%)1021(Top 9%)1021(Top 21%)
40K24.85 mi0.85 mi8413+1161377+231377+236282(Top 24%)1078(Top 9%)1078(Top 22%)
25.2M25.20 mi0.35 mi8341+721362+151362+155631(Top 21%)944(Top 8%)944(Top 19%)
Finish26.22 mi1.02 mi8192+1491329+331329+335435(Top 20%)882(Top 8%)882(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10354

Females

2004

F18-39

2004

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10280

Females

1943

F18-39

1943

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10354

Females

2004

F18-39

2004

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9234

Females

1571

F18-39

1571

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9462

Females

1642

F18-39

1642

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8269

Females

1279

F18-39

1279

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8076

Females

1340

F18-39

1340

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8044

Females

1419

F18-39

1419

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7375

Females

1271

F18-39

1271

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6688

Females

990

F18-39

990

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6269

Females

911

F18-39

911

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6302

Females

1021

F18-39

1021

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6282

Females

1078

F18-39

1078

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5631

Females

944

F18-39

944

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5435

Females

882

F18-39

882

Passing Analysis

Category:
Athletes Passed
2454*
Passed By
919
Net Change
+1533
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9725
5K → 10K205457-252#9725#9977
10K → 15K137251-116#9977#10093
15K → 20K322*60+262#10093#9831
20K → Half4313+30#9831#9801
Half → 25K2969+287#9801#9514
25K → 30K342*43+299#9514#9215
30K → 20M14718+129#9215#9086
20M → 21M14425+119#9086#8967
21M → 35K1063+103#8967#8864
35K → 23M1905+185#8864#8679
23M → 24M16010+150#8679#8529
24M → 40K13014+116#8529#8413
40K → 25.2M764+72#8413#8341
25.2M → Finish1567+149#8341#8192
TOTALS2454*919+1533

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

📊

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