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BOSTON MARATHON 2023

Catherine Riley

Bib: 16048•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
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
24:16
Rank: #12479
Start → 5K
7:49/mi
24:16 split
10K· 6.21 mi
48:50
Rank: #13271 (-792)
5K → 10K
7:54/mi
24:34 split
15K· 9.32 mi
1:13:39
Rank: #13597 (-326)
10K → 15K
7:59/mi
24:49 split
20K· 12.43 mi
1:38:47
Rank: #13696 (-99)
15K → 20K
8:05/mi
25:08 split
Half· 13.11 mi
1:44:18
Rank: #13756 (-60)
20K → Half
8:05/mi
5:31 split
25K· 15.53 mi
2:03:58
Rank: #13721 (+35)
Half → 25K
8:07/mi
19:40 split
30K· 18.64 mi
2:29:35
Rank: #13473 (+248)
25K → 30K
8:15/mi
25:37 split
20M
2:41:07
Rank: #13473
30K → 20M
8:29/mi
11:32 split
21M
2:50:34
Rank: #13629 (-156)
20M → 21M
9:27/mi
9:27 split
35K· 21.75 mi
2:57:13
Rank: #13795 (-166)
21M → 35K
8:53/mi
6:39 split
23M
3:08:51
Rank: #14036 (-241)
35K → 23M
9:17/mi
11:38 split
24M
3:17:40
Rank: #14145 (-109)
23M → 24M
8:49/mi
8:49 split
40K· 24.85 mi
3:25:33
Rank: #14276 (-131)
24M → 40K
9:13/mi
7:53 split
25.2M
3:29:10
Rank: #14379 (-103)
40K → 25.2M
10:29/mi
3:37 split
Finish· 26.22 mi
3:38:11
Rank: #14468 (-89)
25.2M → Finish
8:51/mi
9:01 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:18
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:53:53
Pace8:41 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2124:167:4924:16
7:49
-
10K
6.21 mi11:38:5548:507:5224:34
7:54
+0:05
15K
9.32 mi12:03:441:13:397:5424:49
7:59
+0:05
20K
12.43 mi12:28:521:38:477:5725:08
8:05
+0:06
Half
13.11 mi12:34:231:44:187:575:31
8:05
0:00
25K
15.53 mi12:54:032:03:587:5919:40
8:07
+0:02
30K
18.64 mi13:19:402:29:358:0125:37
8:15
+0:08
20M
20.00 mi13:31:122:41:078:0311:32
8:29
+0:14
21M
21.00 mi13:40:392:50:348:079:27
9:27
+0:58
35K
21.75 mi13:47:182:57:138:096:39
8:53
-0:34
23M
23.00 mi13:58:563:08:518:1311:38
9:17
+0:24
24M
24.00 mi14:07:453:17:408:148:49
8:49
-0:28
40K
24.85 mi14:15:383:25:338:167:53
9:13
+0:24
25.2M
25.20 mi14:19:153:29:108:183:37
10:29
+1:16
Finish
26.22 mi14:28:163:38:118:209:01
8:51
-1:38

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

7:49 /mi

Average Pace

8:20 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:58

57% of race

Time at Steady Pace

45:58

21% of race

Time at Slower Pace

48:15

22% of race

Average Pace: 8:19 /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 mi11:14:2124:167:4924:16
7:49
#12479
10K
6.21 mi11:38:5548:507:5224:34
7:54
#13271
15K
9.32 mi12:03:441:13:397:5424:49
7:59
#13597
20K
12.43 mi12:28:521:38:477:5725:08
8:05
#13696
Half
13.11 mi12:34:231:44:187:575:31
8:05
#13756
25K
15.53 mi12:54:032:03:587:5919:40
8:07
#13721
30K
18.64 mi13:19:402:29:358:0125:37
8:15
#13473
20M
20.00 mi13:31:122:41:078:0311:32
8:29
#13473
21M
21.00 mi13:40:392:50:348:079:27
9:27
#13629
35K
21.75 mi13:47:182:57:138:096:39
8:53
#13795
23M
23.00 mi13:58:563:08:518:1311:38
9:17
#14036
24M
24.00 mi14:07:453:17:408:148:49
8:49
#14145
40K
24.85 mi14:15:383:25:338:167:53
9:13
#14276
25.2M
25.20 mi14:19:153:29:108:183:37
10:29
#14379
Finish
26.22 mi14:28:163:38:118:209:01
8:51
#14468
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi124793150315014309(Top 54%)4266(Top 37%)4266(Top 87%)
10K6.21 mi3.10 mi13271-7923608-4583608-45814063(Top 53%)4087(Top 36%)4087(Top 84%)
15K9.32 mi3.11 mi13597-3263817-2093817-20914309(Top 54%)4266(Top 37%)4266(Top 87%)
20K12.43 mi3.11 mi13696-993907-903907-9014172(Top 53%)4208(Top 37%)4208(Top 86%)
Half13.11 mi0.68 mi13756-603933-263933-2615083(Top 57%)4728(Top 41%)4728(Top 97%)
25K15.53 mi2.42 mi13721+353940-73940-713596(Top 51%)3982(Top 35%)3982(Top 82%)
30K18.64 mi3.11 mi13473+2483826+1143826+11412668(Top 48%)3572(Top 31%)3572(Top 73%)
20M20.00 mi1.36 mi134733843-173843-1713575(Top 51%)4164(Top 36%)4164(Top 85%)
21M21.00 mi1.00 mi13629-1563951-1083951-10815737(Top 59%)5472(Top 48%)5472(Top 112%)
35K21.75 mi0.75 mi13795-1664070-1194070-11917393(Top 65%)6486(Top 57%)6486(Top 133%)
23M23.00 mi1.25 mi14036-2414248-1784248-17817476(Top 66%)6548(Top 57%)6548(Top 134%)
24M24.00 mi1.00 mi14145-1094337-894337-8916299(Top 61%)5962(Top 52%)5962(Top 122%)
40K24.85 mi0.85 mi14276-1314441-1044441-10417185(Top 65%)6497(Top 57%)6497(Top 133%)
25.2M25.20 mi0.35 mi14379-1034512-714512-7119069(Top 72%)7530(Top 66%)7530(Top 154%)
Finish26.22 mi1.02 mi14468-894580-684580-6817272(Top 65%)6513(Top 57%)6513(Top 133%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14309

Females

4266

F18-39

4266

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14063

Females

4087

F18-39

4087

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14309

Females

4266

F18-39

4266

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14172

Females

4208

F18-39

4208

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15083

Females

4728

F18-39

4728

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13596

Females

3982

F18-39

3982

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12668

Females

3572

F18-39

3572

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13575

Females

4164

F18-39

4164

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15737

Females

5472

F18-39

5472

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17393

Females

6486

F18-39

6486

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

17476

Females

6548

F18-39

6548

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16299

Females

5962

F18-39

5962

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17185

Females

6497

F18-39

6497

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19069

Females

7530

F18-39

7530

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17272

Females

6513

F18-39

6513

Passing Analysis

Category:
Athletes Passed
1101
Passed By
3090
Net Change
-1989
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12479
5K → 10K82874-792#12479#13271
10K → 15K84410-326#13271#13597
15K → 20K154253-99#13597#13696
20K → Half1575-60#13696#13756
Half → 25K150115+35#13756#13721
25K → 30K31466+248#13721#13473
30K → 20M89890#13473#13473
20M → 21M49205-156#13473#13629
21M → 35K24190-166#13629#13795
35K → 23M30271-241#13795#14036
23M → 24M37146-109#14036#14145
24M → 40K32163-131#14145#14276
40K → 25.2M8111-103#14276#14379
25.2M → Finish33122-89#14379#14468
TOTALS11013090-1989
📊

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